CN106277252A - A kind of raising coagulating sedimentation and method of filter effect in clean water treatment - Google Patents
A kind of raising coagulating sedimentation and method of filter effect in clean water treatment Download PDFInfo
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- CN106277252A CN106277252A CN201610799994.7A CN201610799994A CN106277252A CN 106277252 A CN106277252 A CN 106277252A CN 201610799994 A CN201610799994 A CN 201610799994A CN 106277252 A CN106277252 A CN 106277252A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
It is an object of the invention to as solving the flocculation that generally exists of depositing reservoir and precipitation that clean-up effect is poor, capacity of resisting impact load is poor and the more high weak point of energy consumption, it is provided that a kind of in clean water treatment, improve coagulating sedimentation and the method for filter effect.The technical scheme is that the first micro swirl reative cell, the second grid reaction room and the 3rd whirling reaction chamber collectively constitute flocculation reaction unit.In first whirling reaction chamber and the 3rd whirling reaction chamber, it is respectively provided with the eddy current flocculation reactor of different model；Second reative cell is then provided with the grid flocculation reactor of different model.The tube settling reactor improving solid-liquid separation effect it is provided with in clarified separation indoor.In annular effluent trough, it is provided with fast filtering cell arrangement, homogeneous filtering material and short-handled filter head is set, is equipped with backwashing system simultaneously.It is additionally arranged at the bottom of sludge condensation unit at cell body, reduces the pressure of follow-up sludge treatment facilities.
Description
Technical field:
The invention belongs to field of environment protection, relate to a kind of raising coagulating effect, deposition efficiency in water processes
And the integrated technology of filter effect, it is based on the collaborative flocculation of micro swirl and grid, shallow pool theory and fast filtering mechanism
Above propose.
Background technology:
Clarification process is one of main method of current clean water treatment, and it integrates mixing, reaction and precipitation process, removes
Anhydrate more than 90% suspension and colloidal impurity.
Traditional clarification process has two big shortcomings: one, the water of sludge circulation type and body refuse have sufficient time of contact, but
Owing to water together moves with body refuse, touch opportunity is few, and the water of body refuse floating type and body refuse relative motion, collision opportunity is many, but connects
The time of touching is short, thus in the case of two kinds, water and body refuse are not the most fully contacted reaction；Its two, reaction zone require flow velocity relatively
Greatly, to improve the turbulent fluctuation of water, make body refuse can be sufficiently mixed and contact with water, but settling zone require that flow velocity is relatively small, in order to
Body refuse separates with ascending current by gravitational settling, but owing to both are united two into one by clarification process so that flow velocity is difficult to coordinate.By
In the two shortcoming, the effluent quality greatly reducing depositing reservoir and the adaptation ability that former Water l oad is changed.
Knowable to being analyzed above, the depositing reservoir commonly used in China's water processes at present much all suffers from aging, product water
The problem such as efficiency is low, energy consumption is high and effluent quality is poor, in the urgent need to technological transformation with adapt under the new situation user to the water yield and water
The demand of matter.External how automatic with suspension slime layer, sludge reflux and discharge and depositing reservoir to the transformation research work of depositing reservoir
Control as research direction.As France De Liman company exploitation high efficiency clarification tank, it combines tube settling and sludge circulation
The advantage of backflow, by reaction, preliminary sedimentation concentrates and clarification is comprehensively integrated, and is equipped with outside sludge reflux and outside dispensing mixing simultaneously
Form a complete water cleaning systems.But because it is patented product, equipment, material price are relatively expensive, invest the highest, be difficult in state
Interior spread.Shanghai municipal administration institute develops middle potassium permanganate composites, but its construction cost is of a relatively high, need to set up back
The stream plant equipment such as pump, blender.In order to improve the performance of tradition clarification technique, expand its scope of application, more effectively improve
The efficiency of flocculation process, impact resistance, operational effect, reduce investment outlay and reduce water producing cost, it is necessary to develops one more excellent
The integrated clarification filtration integrated technology of the economical and efficient changed.
Summary of the invention:
The flocculation and the precipitation clean-up effect that it is an object of the invention to generally exist for solution depositing reservoir are poor, anti-shock loading
Ability and the more high weak point of energy consumption, it is provided that a kind of raising coagulating sedimentation and side of filter effect in clean water treatment
Method, the method is realized by following steps:
Step one, the former water adding the PB1 gene coagulant that alumina content is 30% closes through pipe-line mixer
In the middle part of integrated technique reactor, water inlet pipe (1) enters, and the addition of described PB1 gene coagulant is in every liter of former water
Add 5.0-25.0 milligram；
Step 2, the former water in water pipe (1) described in step one is by being fixed on the circular inlet damper system (3) of Chi Dingshang
Uniformly enter the first whirling reaction chamber (2) from top to bottom afterwards；
Step 3, current by aperture Vortex reactor (4) mix homogeneously being placed in the first whirling reaction chamber (2),
The second grid reaction room (5) is flowed into afterwards after horn mouth (23) the rectification buffering of the first whirling reaction chamber (2) bottom, second
Being placed with 6-12 floor grid reaction device in grid reaction room (5), this grid reaction device includes the grid reaction device of mesh in 3-6 layer
(6) and 3-6 layer large mesh grid reaction device (7), the mesh mesh size of the grid reaction device (6) of described middle mesh is
100mm*100mm, the mesh mesh size of large mesh grid reaction device (7) is 120mm*120mm；
Step 4, current flow into from the second grid reaction room (5) top and are placed with the 3rd of macropore Vortex reactor (9)
Whirling reaction chamber (8)；
Step 5, current flow out to precipitation buffering district (11) from the 3rd whirling reaction chamber (8) bottom after deflector (10),
Carry out mud-water separation through inclined-tube reaction device (12) then up and obtain primary water；
Step 6, the primary water described in step 5 flows through entrance clear water zone, inclined-tube reaction device (12) top (13), then
Annular effluent trough (14) is flowed into, the most from top to bottom through homogeneous filtering material layer (15), through short-handled filter head (16) from clear water zone (13)
It is pooled to annular collection distributing channel (17) of bottom, is finally flowed out outside pond by outlet pipe system (18).
In step 6, when annular effluent trough (14) liquid level rises to backwash outlet pipe system (20), now close out
Valve in water pipe system (18), opens the valve of backwashing system (19) and recoils, and high pressure back-flushing is by base circle collection
Rinsing homogeneous filtering material layer (15) through short cup filter (16) after distributing channel (17) water distribution, last backwashing wastewater is by backwash outlet pipe
System (20) is discharged outside pond, completes flushing process, the water pipe company at a right angle of described water pipe system (18) and backwashing system (19)
Connect.
The flco got off that sinks in described first whirling reaction chamber (2) and the second grid reaction room (5) then passes through horn mouth
(23) discharged outside pond by discharge pipeline (21) after being pooled to bottom.
It is dense that described 3rd whirling reaction chamber (8) and the flco after inclined-tube reaction device (12) separates are deposited on pond base sludge
Contracting district (24), by discharging outside pond along 4 discharge pipelines (22) uniform at the bottom of pond, described discharge pipeline (22) also has cell body emptying merit
Energy.
Having of designing according to raw water quality is placed in first whirling reaction chamber (2) and the 3rd whirling reaction chamber (8)
The Vortex reactor (25) of different percent openings, this reactor is a hollow sphere, and sphere has the circular opening of area equation, table
Face percent opening is 40%～75%, and spheroid surfaces externally and internally has the roughness that coefficientoffrictionμ is about 0.5 1.
First whirling reaction chamber flow velocity is 90～150m/h, and a diameter of 100mm-150mm of Vortex reactor, percent opening control
Being 40%～55%, laying depth is 3.5m-5.0m；3rd whirling reaction chamber stream flow velocity is: 30～70m/h, Vortex reactor
It is 60%～75% that a diameter of 200mm, percent opening control, and laying depth is 2.0m-4.0m.
Second grid reaction room (5) is provided with the grid reaction device (26) of 5-9 floor difference grid perforation size, described grid
The perforation size of reactor (26) is 100-120mm × 100-120mm, and controlling via flow velocity is 0.25m/s-0.20m/s, adjacent
Grid reaction device (26) between vertical distance be 50cm-80cm.
The installation level inclination of described inclined-tube reaction device (12) is 45 °-60 °, and inclined tube aperture is 30-45mm, inclined-tube reaction
The a length of 1.0-1.2m of device (12), thickness is 3mm-5mm, and liquid level load is 6.0m3/(m2·h)–12.0m3/(m2·h)。
Described annular effluent trough (14) is provided with homogeneous filtering material layer (15) that thickness is 400m-800mm, this homogeneous filtering material
Can use different types of filtrate such as quartz sand or anthracite, filtration filtering velocity is 8-15m/h, collects the short-handled filter head of water after filtering
(16) shaft diameter is DN15-DN20mm, a length of 60-100mm, and filter cap flow is 0.25-0.5m3/ h, uses water under high pressure recoil
Washing system, backwash rate controls as 12-16L/ (m2S), washing time is 3-6min.
The flco got off that sinks in described first whirling reaction chamber (2) and the second grid reaction room (5) then passes through horn mouth
(23) discharged outside pond by discharge pipeline (21) after being pooled to bottom.3rd whirling reaction chamber (8) and through inclined-tube reaction device (12) point
Flco after from is deposited on base sludge enrichment region, pond (24), by discharging outside pond along 4 discharge pipelines (22) uniform at the bottom of pond, simultaneously
Cell body of holding concurrently is vented function.
The collaborative flocculation of the method eddy current grid in water purification treatment technology, tube settling and the integrated skill of fast filtering
Art.It is theoretical based on micro swirl and grid co-coagulation, and shallow pool theory and fast filtering theoretical basis propose.This skill
It is dense that art mainly includes that micro swirl and grid work in coordination with flocculation reaction technology, tube settling isolation technics, fast filtering technology and mud
Contracting technology, and consider in terms of version, execution conditions and operation management comprehensively.It is an object of the invention to as solving depositing reservoir
Clean-up effect is poor, capacity of resisting impact load is poor and the more high weak point of energy consumption for the flocculation generally existed and precipitation, it is provided that
The collaborative flocculation of a kind of eddy current grid in water purification treatment technology, tube settling and fast filtering integrated technology.The present invention's
Technical scheme is: one, and it is anti-that the first micro swirl reative cell, the second grid reaction room and the 3rd whirling reaction chamber collectively constitute flocculation
Answer unit.In first whirling reaction chamber and the 3rd whirling reaction chamber, it is respectively provided with the eddy current flocculation reactor of different model；The
Two reative cells are then provided with the grid flocculation reactor of different model.Added the former water of coagulant by vortex flocculation reactor with
And after grid reaction device, react through they co-coagulations, current form the expansion of microgranule in small vortex flow, beneficially water
Scattered, make full use of fluid energy, increase the collision probability of de-steady micelle, form flocculation better quality, degree of compaction height, separating property
Good solid-liquid two-phase system, and fundamentally improve the efficiency of flocculation reaction, the raising water purification water yield and water quality are had significantly
Effect.Different model reactor in each reative cell rule and arrangement principle are set according to processing depending on raw water quality.
Water forms the whirlpool changed from small to big of numerous different vortex radius after flowing through middle mesh and large mesh grid reaction device
Rotation, these eddy sizes, closer to the impact radius of flco, are more beneficial for the formation of flco alumen ustum.
Forming maelstrom in step 4 after current macropore Vortex reactor, these eddy sizes are close at the 3rd reative cell 8
The alumen ustum flco impact radius of middle formation, is more beneficial for the formation of flco alumen ustum and follow-up precipitation.
After step 6 Central Plains water adds coagulant PAC, the elimination of colloid stability in water, form alumen ustum flco, through inclined-tube reaction
After device 12 precipitation, major part alumen ustum flco precipitates the most, then discharges outside pond through discharge pipeline 22；Under small part does not precipitate
The tiny flco come enters effluent trough 14 after flowing into clear water zone 13 with current, is dammed after filtering in filter material layer 15, cleaning
Water after short-handled filter head 16, be then pooled to distributing channel 17 flow out to user
Its two, be provided with in clarified separation indoor improve solid-liquid separation effect tube settling reactor, enhance carefully
The precipitation of small particle, better assures that sedimentation effect and clarifying efficiency.
Its three, annular effluent trough in be provided with fast filtering cell arrangement, homogeneous filtering material and short-handled filter head are set, join simultaneously
With backwashing system, retain the little flco that in inclined-tube reaction device, end precipitates further, it is ensured that this process reactor water outlet water
Matter meets requirement；
Its four, be additionally arranged at the bottom of sludge condensation unit at cell body, reduce the pressure of follow-up sludge treatment facilities.
Its five, this system uses without technique of backflow, and one side increases the capacity utilization of the first reative cell, on the other hand
The loss of flood peak is made again to reduce.
The application of this integrated technology, is not only able to improve the flocculation reaction efficiency of water-purifying process, shorten flocculation time, minimizing
The loss of flood peak, reduction medicine consumption, raising water purification water quality, but also it is greatly improved the efficiency of precipitate and separate；Utilize simultaneously and be provided with all
The Quick filter system of matter filtrate, is greatly improved and improves the safety of effluent quality；Sludge condensation system then improves mud
Solid content.Whole integrated technology technical maturity, and also floor space is little, operates steadily, anti impulsion load, saves integrated engineering
The advantages such as investment, reduction water producing cost, have higher social and economic effects.
Accompanying drawing illustrates:
Fig. 1 is the present invention a kind of eddy current grid co-coagulation and tube settling and the schematic diagram of fast filtering integrated technology；
Fig. 2 is first and the 3rd schematic diagram of eddy current flocculation reactor of placing of whirling reaction chamber；
Fig. 3 is the schematic diagram of the grid reaction device that the second grid reaction room is placed；
Detailed description of the invention:
Below with reference to accompanying drawing, the detailed description of the invention of the present invention is described in further detail.
A kind of raising coagulating sedimentation and method of filter effect in clean water treatment, the method is real by following steps
Existing:
Step one, the former water adding the PB1 gene coagulant that alumina content is 30% closes through pipe-line mixer
In the middle part of integrated technique reactor, water inlet pipe (1) enters, and the addition of described PB1 gene coagulant is in every liter of former water
Add 5.0-25.0 milligram；
Step 2, the former water in water pipe (1) described in step one is by being fixed on the circular inlet damper system (3) of Chi Dingshang
Uniformly enter the first whirling reaction chamber (2) from top to bottom afterwards；
Step 3, current by aperture Vortex reactor (4) mix homogeneously being placed in the first whirling reaction chamber (2),
The second grid reaction room (5) is flowed into afterwards after horn mouth (23) the rectification buffering of the first whirling reaction chamber (2) bottom, second
Being placed with 6-12 floor grid reaction device in grid reaction room (5), this grid reaction device includes the grid reaction device of mesh in 3-6 layer
(6) and 3-6 layer large mesh grid reaction device (7), the mesh mesh size of the grid reaction device (6) of described middle mesh is
100mm*100mm, the mesh mesh size of large mesh grid reaction device (7) is 120mm*120mm；
Step 4, current flow into from the second grid reaction room (5) top and are placed with the 3rd of macropore Vortex reactor (9)
Whirling reaction chamber (8)；
Step 5, current flow out to precipitation buffering district (11) from the 3rd whirling reaction chamber (8) bottom after deflector (10),
Carry out mud-water separation through inclined-tube reaction device (12) then up and obtain primary water；
Step 6, the primary water described in step 5 flows through entrance clear water zone, inclined-tube reaction device (12) top (13), then
Annular effluent trough (14) is flowed into, the most from top to bottom through homogeneous filtering material layer (15), through short-handled filter head (16) from clear water zone (13)
It is pooled to annular collection distributing channel (17) of bottom, is finally flowed out outside pond by outlet pipe system (18).
In step 6, when annular effluent trough (14) liquid level rises to backwash outlet pipe system (20), now close out
Valve in water pipe system (18), opens the valve of backwashing system (19) and recoils, and high pressure back-flushing is by base circle collection
Rinsing homogeneous filtering material layer (15) through short cup filter (16) after distributing channel (17) water distribution, last backwashing wastewater is by backwash outlet pipe
System (20) is discharged outside pond, completes flushing process, the water pipe company at a right angle of described water pipe system (18) and backwashing system (19)
Connect.
The flco got off that sinks in described first whirling reaction chamber (2) and the second grid reaction room (5) then passes through horn mouth
(23) discharged outside pond by discharge pipeline (21) after being pooled to bottom.
It is dense that described 3rd whirling reaction chamber (8) and the flco after inclined-tube reaction device (12) separates are deposited on pond base sludge
Contracting district (24), by discharging outside pond along 4 discharge pipelines (22) uniform at the bottom of pond, described discharge pipeline (22) also has cell body emptying merit
Energy.
Having of designing according to raw water quality is placed in first whirling reaction chamber (2) and the 3rd whirling reaction chamber (8)
The Vortex reactor (25) of different percent openings, this reactor is a hollow sphere, and sphere has the circular opening of area equation, table
Face percent opening is 40%～75%, and spheroid surfaces externally and internally has the roughness that coefficientoffrictionμ is about 0.5 1.
First whirling reaction chamber flow velocity is 90～150m/h, and a diameter of 100mm-150mm of Vortex reactor, percent opening control
Being 40%～55%, laying depth is 3.5m-5.0m；3rd whirling reaction chamber stream flow velocity is: 30～70m/h, Vortex reactor
It is 60%～75% that a diameter of 200mm, percent opening control, and laying depth is 2.0m-4.0m.
Second grid reaction room (5) is provided with the grid reaction device (26) of 5-9 floor difference grid perforation size, described grid
The perforation size of reactor (26) is 100-120mm × 100-120mm, and controlling via flow velocity is 0.25m/s-0.20m/s, adjacent
Grid reaction device (26) between vertical distance be 50cm-80cm.
The installation level inclination of described inclined-tube reaction device (12) is 45 °-60 °, and inclined tube aperture is 30-45mm, inclined-tube reaction
The a length of 1.0-1.2m of device (12), thickness is 3mm-5mm, and liquid level load is 6.0m3/(m2·h)–12.0m3/(m2·h)。
Described annular effluent trough (14) is provided with homogeneous filtering material layer (15) that thickness is 400m-800mm, this homogeneous filtering material
Can use different types of filtrate such as quartz sand or anthracite, filtration filtering velocity is 8-15m/h, collects the short-handled filter head of water after filtering
(16) shaft diameter is DN15-DN20mm, a length of 60-100mm, and filter cap flow is 0.25-0.5m3/ h, uses water under high pressure recoil
Washing system, backwash rate controls as 12-16L/ (m2S), washing time is 3-6min.
The flco got off that sinks in described first whirling reaction chamber (2) and the second grid reaction room (5) then passes through horn mouth
(23) discharged outside pond by discharge pipeline (21) after being pooled to bottom.3rd whirling reaction chamber (8) and through inclined-tube reaction device (12) point
Flco after from is deposited on base sludge enrichment region, pond (24), by discharging outside pond along 4 discharge pipelines (22) uniform at the bottom of pond, simultaneously
Cell body of holding concurrently is vented function.
Should be understood that these embodiments are merely to illustrate the present invention rather than limit the scope of the present invention.In addition, it is to be understood that
After having read the content that the present invention lectures, the present invention can be made various changes or modifications by those skilled in the art, these
The equivalent form of value falls within the application appended claims limited range equally.
Claims (10)
1. improving coagulating sedimentation and a method for filter effect in clean water treatment, the method is realized by following steps:
Step one, the former water adding the PB1 gene coagulant that alumina content is 30% closes from collection through pipe-line mixer
Becoming water inlet pipe (1) in the middle part of process reactor to enter, the addition of described PB1 gene coagulant is to add in every liter of former water
5.0-25.0 milligram；
Step 2, the former water in water pipe (1) described in step one is the most equal by the circular inlet damper system (3) being fixed on Chi Dingshang
Even enter the first whirling reaction chamber (2) from top to bottom；
Step 3, current are by aperture Vortex reactor (4) mix homogeneously being placed in the first whirling reaction chamber (2), afterwards
The second grid reaction room (5), the second grid is flowed into after horn mouth (23) the rectification buffering of the first whirling reaction chamber (2) bottom
Being placed with 6-12 layer grid reaction device in reative cell (5), this grid reaction device includes the grid reaction device (6) of mesh in 3-6 layer
Grid reaction device (7) large mesh with 3-6 layer, the mesh mesh size of the grid reaction device (6) of described middle mesh is 100mm*
100mm, the mesh mesh size of large mesh grid reaction device (7) is 120mm*120mm；
Step 4, current flow into the 3rd eddy current being placed with macropore Vortex reactor (9) again from the second grid reaction room (5) top
Reative cell (8)；
Step 5, current flow out to precipitation buffering district (11) from the 3rd whirling reaction chamber (8) bottom, then after deflector (10)
Pass upward through inclined-tube reaction device (12) to carry out mud-water separation and obtain primary water；
Step 6, the primary water described in step 5 flows through entrance clear water zone, inclined-tube reaction device (12) top (13), then from clearly
Pool (13) flows into annular effluent trough (14), the most from top to bottom through homogeneous filtering material layer (15), collects through short-handled filter head (16)
To annular collection distributing channel (17) of bottom, finally flowed out outside pond by outlet pipe system (18).
2. one kind is improved coagulating sedimentation and the method for filter effect in clean water treatment, it is characterised in that in step 6, work as ring
When shape effluent trough (14) liquid level rises to backwash outlet pipe system (20), now close the valve in outlet pipe system (18),
The valve of backwashing system (19) is opened and recoils, high pressure back-flushing by after base circle collection distributing channel (17) water distribution through short cup
Filter (16) rinses homogeneous filtering material layer (15), and last backwashing wastewater is discharged outside pond by backwash outlet pipe system (20), completes
Flushing process, the water pipe connection at a right angle of described water pipe system (18) and backwashing system (19).
3. one kind is improved coagulating sedimentation and the method for filter effect in clean water treatment, it is characterised in that described first eddy current
Reative cell (2) and the second grid reaction room (5) sink after the flco got off then is pooled to bottom by horn mouth (23) and pass through
Discharge pipeline (21) is discharged outside pond.
4. one kind is improved coagulating sedimentation and the method for filter effect in clean water treatment, it is characterised in that described 3rd eddy current
Reative cell (8) and the flco after inclined-tube reaction device (12) separates are deposited on base sludge enrichment region, pond (24), by along equal at the bottom of pond
4 discharge pipelines (22) of cloth are discharged outside pond, and described discharge pipeline (22) also has cell body emptying function.
5. one kind is improved coagulating sedimentation and the method for filter effect in clean water treatment, it is characterised in that the first eddy current reaction
The eddy current reaction with different percent opening designed according to raw water quality is placed in room (2) and the 3rd whirling reaction chamber (8)
Device (25), this reactor is a hollow sphere, and sphere has the circular opening of area equation, surface percent opening be 40%～
75%, spheroid surfaces externally and internally has the roughness that coefficientoffrictionμ is about 0.5 1.
A kind of raising coagulating sedimentation and the method for filter effect, its feature in clean water treatment
Being, the first whirling reaction chamber flow velocity is 90～150m/h, and the control of a diameter of 100mm-150mm of Vortex reactor, percent opening is
40%～55%, laying depth is 3.5m-5.0m；3rd whirling reaction chamber stream flow velocity is: 30～70m/h, and Vortex reactor is straight
Footpath is 200mm, percent opening controls to be 60%～75%, and laying depth is 2.0m-4.0m.
7. one kind is improved coagulating sedimentation and the method for filter effect in clean water treatment, it is characterised in that the second grid reaction
Room (5) is provided with the grid reaction device (26) of 5-9 floor difference grid perforation size, the perforation size of described grid reaction device (26)
For 100-120mm × 100-120mm, controlling via flow velocity is 0.25m/s-0.20m/s, between adjacent grid reaction device (26)
Vertical distance be 50cm-80cm.
8. one kind is improved coagulating sedimentation and the method for filter effect in clean water treatment, it is characterised in that described inclined-tube reaction
The installation level inclination of device (12) is 45 °-60 °, and inclined tube aperture is 30-45mm, a length of 1.0-of inclined-tube reaction device (12)
1.2m, thickness is 3mm-5mm, and liquid level load is 6.0m3/(m2·h)–12.0m3/(m2·h)。
9. one kind is improved coagulating sedimentation and the method for filter effect in clean water treatment, it is characterised in that described annular goes out
Being provided with homogeneous filtering material layer (15) that thickness is 400m-800mm in tank (14), this homogeneous filtering material can use quartz sand or anthracite
Etc. different types of filtrate, filtration filtering velocity is 8-15m/h, and collecting short-handled filter head (16) shaft diameter of water after filtering is DN15-
DN20mm, a length of 60-100mm, filter cap flow is 0.25-0.5m3/ h, uses water under high pressure backwashing system, backwash rate control
It is made as 12-16L/ (m2S), washing time is 3-6min.
10. one kind is improved coagulating sedimentation and the method for filter effect in clean water treatment, it is characterised in that described first eddy current
Reative cell (2) and the second grid reaction room (5) sink after the flco got off then is pooled to bottom by horn mouth (23) and pass through
Discharge pipeline (21) is discharged outside pond.3rd whirling reaction chamber (8) and the flco after inclined-tube reaction device (12) separates are deposited at the bottom of pond
Sludge condensation district of portion (24), by discharging outside pond along 4 discharge pipelines (22) uniform at the bottom of pond, cell body emptying function of simultaneously holding concurrently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610799994.7A CN106277252A (en) | 2016-08-31 | 2016-08-31 | A kind of raising coagulating sedimentation and method of filter effect in clean water treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610799994.7A CN106277252A (en) | 2016-08-31 | 2016-08-31 | A kind of raising coagulating sedimentation and method of filter effect in clean water treatment |
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| CN107055871A (en) * | 2017-05-03 | 2017-08-18 | 北京师范大学 | A kind of new coagulating sedimentation retention filtering air-water backwashing integrated high-efficiency filter tank |
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| CN109939492A (en) * | 2019-03-15 | 2019-06-28 | 绍兴亮华环保科技有限公司 | Heavy duty detergent purifier and its filter method |
| CN110606533A (en) * | 2019-08-28 | 2019-12-24 | 北京国电龙源环保工程有限公司 | Wet desulphurization clarification tank wastewater treatment structure and construction method thereof |
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