CN109665608A - A kind of air lift stirring-type high dense settling pond and defecation method - Google Patents
A kind of air lift stirring-type high dense settling pond and defecation method Download PDFInfo
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- CN109665608A CN109665608A CN201910147349.0A CN201910147349A CN109665608A CN 109665608 A CN109665608 A CN 109665608A CN 201910147349 A CN201910147349 A CN 201910147349A CN 109665608 A CN109665608 A CN 109665608A
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- zone
- flocculation
- clarifying basin
- reaction zone
- demarcation plate
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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
- C02F1/5281—Installations for water purification using chemical agents
Abstract
A kind of air lift stirring-type high dense settling pond, including clarifying basin ontology, aeration mechanism, water intake mechanism, discharge mechanism and flocculant add mechanism；The clarifying basin ontology is successively divided into reaction zone, flocculation zone and settling zone in the intrinsic demarcation plate of clarifying basin by being arranged from inside to outside, there are passage gaps for the bottom end of demarcation plate and the bottom of clarifying basin ontology, the bottom end of the bottom end of the demarcation plate between reaction zone and flocculation zone lower than the demarcation plate between flocculation zone and settling zone；Being aerated mechanism includes the aerator that reaction zone bottom is arranged in, and aerator is circumscribed with admission gear by air inlet pipe, is provided with air intake control valve in air inlet pipe；Water intake mechanism includes water inlet pipe, the external raw water supply line in one end of water inlet pipe, and the other end of water inlet pipe protrudes into the lower part or bottom that clarifying basin ontology extends to reaction zone.The clarification pool structure is simple, effect is good, is stirred by air-flow, not only ensure that flocculating effect, but also sludge is sufficiently moved, no dead angle.
Description
Technical field
The present invention relates to technical field of sewage, especially a kind of air lift stirring-type high dense settling pond is further related to
State the defecation method of air lift stirring-type high dense settling pond.
Background technique
The integrated apparatus of the reaction flocculation in water treatment technology and mud-water separation generallys use clarifying basin at present, generally
Be divided into S type plusator, bell-shaped plusator, circulatior clarifier, accelerator, body refuse suspend it is clear
Clear pond, the circulating high dense settling pond of sludge pump etc..
The key work of clarifying basin is the efficient circulation of sludge, and the sludge of high concentration and raw water and medicament are sufficiently mixed,
Intensified response flocculating effect, since the flocculated high concentration sludge sufficiently reacted is utilized, the generally reaction effect of clarifying basin
It is better than the reaction flocculation basin of simple function, more preferable to the impact resistance of water quality and quantity variation, dosage is also significantly lower than
Common flocculation sedimentation technique, clarification mainly follow following principle in technique:
(1) sludge circulation is good, and whether pulsed or continuous cycle type are all that sludge blanket to be allowed moves up, this point with it is general
Logical sedimentation basin has the difference of essence, and the purpose moved up is that raw water is required to be sufficiently mixed with sludge, reaches and reaction is sufficiently stirred
With the effect of dilution raw water.
(2) different stirring intensities divides, and pulsed clarifying basin is to divide stirring in time using intermittent loading by force
Degree, stirring intensity is big when water inlet, and the sufficiently reversed flocculation of reaction, static clear precipitating when cutting off the water is flocculated in the same direction；Sludge circulation clarifying basin
(Hydraulic Circulation, mechanical stirring, pump circulation etc.) is that different regions is spatially arranged, and forms reaction zone, flocculation zone, precipitating
Area, high dense settling pond even more uses pump circulation and mechanical stirring combines and reinforces hybrid reaction effect, will react coagulation area
It is sufficiently separated and comes with settling zone.
(3) the precipitating dead angle of sludge is avoided, the mobility of sludge will be got well, and there cannot be the area Si Ni.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide, a kind of sludge circulation is good, stirs
Mix that intensity is big, air lift stirring-type high dense settling pond of the sludge settling without dead angle.
That there is provided above-mentioned air lift stirring-type high dense settling pond is clear for another technical problem to be solved by this invention
Clearing method.
The technical problem to be solved by the present invention is to what is realized by technical solution below.The present invention is a kind of air lift
Stirring-type high dense settling pond, the clarifying basin include clarifying basin ontology, aeration mechanism, water intake mechanism, discharge mechanism and flocculant
Mechanism is added, the top of clarifying basin ontology is arranged in discharge mechanism；The clarifying basin ontology is by being arranged in clarifying basin ontology
Demarcation plate be successively divided into reaction zone, flocculation zone and settling zone from inside to outside, the bottom end of demarcation plate and the bottom of clarifying basin ontology
There are passage gaps in portion, and the bottom end of the demarcation plate between reaction zone and flocculation zone is lower than the separation between flocculation zone and settling zone
The bottom end of plate, the top of the demarcation plate between reaction zone and flocculation zone are lower than the water inlet of discharge mechanism, flocculation zone and settling zone
Between demarcation plate top be higher than discharge mechanism water inlet；The aeration mechanism includes the aeration that reaction zone bottom is arranged in
Device, aerator are circumscribed with admission gear by air inlet pipe, are provided with air intake control valve in air inlet pipe；The water intake mechanism include into
Water pipe, the external raw water supply line in one end of water inlet pipe, the other end of water inlet pipe protrude into clarifying basin ontology and extend to reaction zone
Lower part or bottom are also equipped with water inlet control valve on water inlet pipe.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The air lift stirring-type high dense settling pond, flocculant addition mechanism includes flocculant tank, is communicated on flocculant tank
Flocculant adding tube, the other end of flocculant adding tube protrude into clarifying basin ontology and extend to reaction zone or directly connect with water inlet pipe
It is logical, flocculant addition control valve is also equipped in flocculant adding tube.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The air lift stirring-type high dense settling pond, the clarifying basin further include flocculation aid addition mechanism, and flocculation aid addition mechanism includes
Flocculation aid tank is communicated with flocculation aid adding tube on flocculation aid tank, and the other end of flocculation aid adding tube protrudes into the top of reaction zone, helps
Flocculation aid addition control valve is also equipped in solidifying agent adding tube.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The air lift stirring-type high dense settling pond, the lower part of the demarcation plate between the reaction zone and flocculation zone is to flocculation zone side
Inclination.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The air lift stirring-type high dense settling pond, the lower part of the demarcation plate between the flocculation zone and settling zone is to settling zone side
Inclination.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The air lift stirring-type high dense settling pond, the clarifying basin further include mud discharging mechanism, and mud discharging mechanism includes being arranged in clarifying basin
Intrinsic spoil disposal inner tube, the bottom of spoil disposal inner tube extend to the bottom of flocculation zone, and the top of spoil disposal inner tube is from clarifying basin ontology
Top stretch out, the spoil disposal outer tube for stretching out clarifying basin ontology is also communicated in spoil disposal inner tube, spoil disposal control is installed on spoil disposal outer tube
Valve processed.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The air lift stirring-type high dense settling pond, the admission gear include air blower, and the air outlet of air blower passes through air inlet pipe
It is connected to aerator.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The air lift stirring-type high dense settling pond, the discharge mechanism include the effluent trough that clarifying basin bodies top is arranged in, out
The water inlet of sink is connected to clarifying basin ontology, is additionally provided on effluent trough convenient for the water outlet of water outlet trough inner water outlet.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The air lift stirring-type high dense settling pond, the clarifying basin ontology is integrally cylindrical or rectangular-shape.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The air lift stirring-type high dense settling pond, a kind of defecation method of air lift stirring-type high dense settling pond, its step are as follows:
(1) mechanism is added by flocculant and water inlet pipe adds flocculant and raw water into reaction zone, recycle aerator anti-
The bottom in area is answered to be aerated, the gas of input is stopped by the demarcation plate between reaction zone and flocculation zone, so that reaction zone and wadding
Pressure difference is formed between coagulation zone, so that the water flow of reaction zone is not flowed to two sides, from the lower part of reaction zone to reaction zone
Upper flow, while being reacted after driving the flocculant of addition to be sufficiently mixed with raw water on the top of reaction zone；
(2) after the reaction was completed, water flow releases the top that the demarcation plate between reaction zone and flocculation zone is crossed after gas, from flocculation
The top in area enters flocculation zone；
(3) it is settled from top to bottom into the water flow of flocculation zone, is divided into two-way in the bottom of flocculation zone, pass through reaction zone and wadding all the way
The bottom of demarcation plate between coagulation zone enters reaction zone and mixes with raw water, flocculant, is flocculated again, and another way is from flocculation zone
The bottom of demarcation plate between settling zone enters settling zone and is precipitated, and forms sludge；
(4) the intrinsic supernatant of clarifying basin is discharged from discharge mechanism, and the sludge in settling zone is between flocculation zone and settling zone
The bottom of demarcation plate flow into concentration in flocculation zone, sludge a part after concentration brings reaction zone by water flow again, constantly increases
Big reaction zone sludge concentration, the sludge of remainder are discharged through mud discharging mechanism.
Compared with prior art, the present invention adds mechanism by flocculant and water inlet pipe adds flocculation into clarifying basin ontology
Agent and raw water, are convenient for flocculation reaction, when operation, are aerated in reaction zone by aerator, gas is by reaction zone and flocculation
Demarcation plate between area stops, and not can enter flocculation zone, carries out being thoroughly mixed formula stirring to raw water and flocculant in reaction zone,
Stirring intensity can be adjusted by adjusting air-flow, and can achieve the purpose of air lift, while the flocculant and raw water that are added exist
This is reacted while rising after being sufficiently mixed with air-flow, and after the reaction was completed, water flow lowers into flocculation after releasing gas
Area forms big alumen ustum, then divides two-way, enters settling zone all the way, enters reaction zone all the way and is recycled again；On finally,
Clear liquid is discharged from effluent trough, and the passage gaps for precipitating demarcation plate bottom plate of the sludge of generation between settling zone and flocculation zone are fallen into
Flocculation zone is concentrated, and a part is again introduced into reaction zone, remainder discharge with water flow.The clarification pool structure is simple, effect is good,
It is stirred by air-flow, not only ensure that flocculating effect, but also sludge is sufficiently moved, no dead angle.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention；
Fig. 2 is the cylindrical structure top view of clarifying basin ontology of the present invention；
Fig. 3 is the structure top view of clarifying basin ontology of the present invention in a rectangular parallelepiped shape.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, right below in conjunction with attached drawing of the present invention
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Referring to Fig.1-3, a kind of air lift stirring-type high dense settling pond, the clarifying basin include clarifying basin ontology 6, aerator
Structure, water intake mechanism, discharge mechanism and flocculant add mechanism, and the top of clarifying basin ontology 6 is arranged in discharge mechanism；The clarification
Pond ontology 6 passes through the demarcation plate being arranged in clarifying basin ontology 6 and is successively divided into reaction zone 7, flocculation zone 8 and precipitating from inside to outside
There are passage gaps for the bottom of area 9, the bottom end of demarcation plate and clarifying basin ontology 6, the separation between reaction zone 7 and flocculation zone 8
The bottom end of plate is lower than the bottom end of the demarcation plate between flocculation zone 8 and settling zone 9, the demarcation plate between reaction zone 7 and flocculation zone 8
Top is lower than the water inlet of discharge mechanism, and the top of the demarcation plate between flocculation zone 8 and settling zone 9 is higher than the water inlet of discharge mechanism
Mouthful；The aeration mechanism includes the aerator 2 that 7 bottom of reaction zone is arranged in, and aerator 2 is circumscribed with air inlet machine by air inlet pipe 14
Structure is provided with air intake control valve in air inlet pipe 14；The water intake mechanism includes water inlet pipe 17, the external raw water in one end of water inlet pipe 17
Supply line, or external raw water supply line is accessed into raw water tank 13, then water inlet pipe 17 is connected to raw water tank 13；Water inlet pipe
17 other end protrudes into the lower part or bottom that clarifying basin ontology 6 extends to reaction zone 7, is also equipped on water inlet pipe 17 into water and is controlled
Valve.
The core of the application is raw water being added to the lower part reacted with flocculant, then utilize at the bottom of reaction zone 7
Portion's aeration, forms ascending air, both raw water was sufficiently mixed with flocculant, but also the sludge generated is under the action of water flow
It recycled, be concentrated, ultimately formed high density sludge discharge, guarantee clarifying effect；The top of clarifying basin ontology 6 is in cuboid
Shape, lower part is funnel-shaped, is convenient for sludge settling；Demarcation plate passes through bracket and is fixedly connected with the inner wall of clarifying basin ontology 6；Reaction
Demarcation plate between area 7 and flocculation zone 8 is stirred area for guaranteeing that the precipitating sludge of flocculation zone 8 is flowed back into from bottom, does not send out
The short flow phenomenon of primary sludge, it is ensured that bottom does not occur the area Si Ni；Aerator 2 includes vertical tracheae and several is connected to vertical tracheae
Lateral tracheae, be provided with several solarization air caps, simple and practical, long service life, for producing on vertical tracheae and lateral tracheae
While life is stirred effect, 7 water flow of reaction zone is moved upwards using air lift principle, causes sludge circulation, intensity can
It is easily adjusted by adjusting aeration quantity；Aerator 2 or aerator 2 or aeration tube or aeration plate in the prior art
Instead of effect can be reached；It is lower that the bottom of clarifying basin is marked off flow velocity by demarcation plate between flocculation zone 8 and settling zone 9
Flocculation zone in the same direction 8, be conducive to the formation of big alumen ustum, while guaranteeing that settling zone 9 in middle part water distribution, reaches uniformity of water distribution；Instead
Answer the diameter ratio of the distance between the bottom end of the demarcation plate between area 7 and flocculation zone 8 and the bottom of clarifying basin ontology 6 with bottom of pond
It is 6m for 1%-3%, such as diameter of bottom of pond, the distance between the demarcation plate and the bottom of clarifying basin ontology 6 are 6-18cm, practical
In, inclined tube or inclined plate can also be set in settling zone 9, reduce the area of settling zone 9, improve the upflow velocity of water flow.
Flocculant addition mechanism includes flocculant tank 12, and flocculant adding tube 16 is communicated on flocculant tank 12, is wadded a quilt with cotton
The other end of solidifying agent adding tube 16 protrudes into clarifying basin ontology 6 and extends to the lower part of reaction zone 7 or be directly connected to water inlet pipe 17,
Convenient for mixing in the lower part of reaction zone 7 with raw water, guarantee flocculating effect；Flocculant addition is also equipped in flocculant adding tube 16
Control valve.
The clarifying basin further includes flocculation aid addition mechanism, and it includes flocculation aid tank 11, flocculation aid tank 11 that flocculation aid, which adds mechanism,
On be communicated with flocculation aid adding tube 15, the other end of flocculation aid adding tube 15 protrudes into the top of reaction zone 7, flocculation aid adding tube 15
On be also equipped with flocculation aid addition control valve.The top or top of reaction zone 7 is arranged in the adding mouth of flocculation aid adding tube 15, just
In being added flocculation aid in flocculation reaction deficiency, guarantee that flocculation reaction reaches expected.
The lower part of demarcation plate between the reaction zone 7 and flocculation zone 8 is tilted to 8 side of flocculation zone, forms skirtboard 1, skirt
Plate 1 includes inclined plate and vertical panel, and the tilt angle of inclined plate is not less than 45 °, is on the one hand used for when being aerated to reaction zone 7, to gas
Body is stopped, and gas is avoided to enter flocculation zone 8 from the bottom of reaction zone 7, on the one hand in order to guide sludge to be collected into a line
On, rather than fall on one face, after sludge accumulation becomes a line, it is easy flowing, without be easy to causeing local deposition, shape
At dead zone；Or cone-shaped hood is installed in the lower part of the demarcation plate between reaction zone 7 and flocculation zone 8, plays congregational rate.
The lower part of demarcation plate between the flocculation zone 8 and settling zone 9 is tilted to 9 side of settling zone, forms hang plate 5,
There are two effect, one is easy for marking off flow velocity lower flocculation zone 8 in the same direction in the bottom of clarifying basin ontology 6 hang plate 5, has
Conducive to the formation of big alumen ustum, while guaranteeing that settling zone 9 in middle part water distribution, reaches uniformity of water distribution；The other is making precipitating
Passage gaps of the sludge between hang plate 5 and clarifying basin ontology 6 flow to flocculation zone 8 and are concentrated, one, the sludge after concentration
Branch takes back reaction zone 7 by water flow again and is recycled again, and remaining sludge is periodically discharged by mud discharging mechanism.
The clarifying basin further includes mud discharging mechanism, and mud discharging mechanism includes the spoil disposal inner tube 18 being arranged in clarifying basin ontology 6, row
The bottom of mud inner tube 18 extends to the bottom of flocculation zone 8, and convenient for being discharged denseer sludge, the top of spoil disposal inner tube 18 is from clarifying basin
The top of ontology 6 is stretched out, the air in discharge pipe, is prevented gas stifled, is also facilitated and draw clearly from above, be also communicated in spoil disposal inner tube 18
The spoil disposal outer tube 3 of clarifying basin ontology 6 is stretched out, spoil disposal control valve is installed on spoil disposal outer tube 3, also can be set according to actual needs
Sludge pump.The top of spoil disposal inner tube 18 is stretched out from the top of clarifying basin ontology 6 is used for air guide；It the bottom of spoil disposal inner tube 18 can basis
It needs to be arranged in any position in the outside of the demarcation plate between reaction zone 7 and flocculation zone 8, spoil disposal can be completed；Spoil disposal
Inner tube 18 is arranged along the side of clarifying basin ontology 6, and general top is vertically arranged, and lower tilt setting, spoil disposal outer tube 3 is from outside
It extends transversely into clarifying basin ontology 6 and is connected to the vertical section of spoil disposal inner tube 18, be convenient for outside spoil disposal；In practice, periodically pass through
Mud discharging mechanism carries out spoil disposal, generally carries out spoil disposal according to the settling ratio of reaction zone 7, is arranged when settling ratio is greater than 15%
Mud.
The admission gear includes air blower 10, and the air outlet of air blower 10 is connected to by air inlet pipe 14 with aerator 2.Into
Outside air can be passed through by mechanism of qi structure, generally used air blower 10, do not needed excessive pressure.
The discharge mechanism includes the effluent trough 4 that 6 top of clarifying basin ontology is arranged in, the water inlet of effluent trough 4 and clarification
Pond ontology 6 is connected to, and is flowed into effluent trough 4 convenient for the supernatant in clarifying basin ontology 6, is additionally provided on effluent trough 4 convenient for effluent trough 4
The water outlet of interior water outlet.Effluent trough 4 can be located at the periphery of clarifying basin ontology 6, can also be located at centre, in round pond also
It can radially arrange, the diversified forms such as weir plate or outlet pipe can be used, it, can laterally or vertical cloth in rectangular pond
It sets, in large-scale pond, can also use and set the form that total canal and branch canal combine.
The whole cylindrical or rectangular-shape of the clarifying basin ontology 6.When clarifying basin ontology 6 is cylindrical, demarcation plate is in
Cylindrical shape, so that reaction zone 7 is cylindrical, flocculation zone 8 is annular in shape with settling zone 9, and reaction zone 7 is arranged in clarifying basin ontology
6 middle part, flocculation zone 8 surround reaction zone 7, and settling zone 9 surrounds flocculation zone 8；Clarifying basin ontology 6 in a rectangular parallelepiped shape when, reaction zone 7
The middle part of clarifying basin ontology 6 is set, and flocculation zone 8 and settling zone 9 are symmetrical arranged the two sides of reaction zone 7, and the setting of settling zone 9 exists
The outside of flocculation zone 8, centre are separated with demarcation plate.
A kind of defecation method of air lift stirring-type high dense settling pond, its step are as follows:
(1) mechanism is added by flocculant and water inlet pipe adds flocculant and raw water into reaction zone, recycle aerator anti-
The bottom in area is answered to be aerated, the gas of input is stopped by the demarcation plate between reaction zone and flocculation zone, so that reaction zone and wadding
Pressure difference is formed between coagulation zone, so that the water flow of reaction zone is not flowed to two sides, from the lower part of reaction zone to reaction zone
Upper flow, while being reacted after driving the flocculant of addition to be sufficiently mixed with raw water on the top of reaction zone；
(2) after the reaction was completed, water flow releases the top that the demarcation plate between reaction zone and flocculation zone is crossed after gas, from flocculation
The top in area enters flocculation zone；
(3) it is settled from top to bottom into the water flow of flocculation zone, is divided into two-way in the bottom of flocculation zone, pass through reaction zone and wadding all the way
The bottom of demarcation plate between coagulation zone enters reaction zone and mixes with raw water, flocculant, is flocculated again, and another way is from flocculation zone
The bottom of demarcation plate between settling zone enters settling zone and is precipitated, and forms sludge；
(4) the intrinsic supernatant of clarifying basin is discharged from discharge mechanism, and the sludge in settling zone is between flocculation zone and settling zone
The bottom of demarcation plate flow into concentration in flocculation zone, sludge a part after concentration brings reaction zone by water flow again, constantly increases
Big reaction zone sludge concentration, guarantees the hybrid reaction effect with raw water, and the sludge of remainder is discharged through mud discharging mechanism.
The clarifying basin of the application has the following characteristics that
(1) low to intake pressure, not as Hydraulic Circulation clarification is very high to pressure requirements；
(2) hybrid reaction effect is easy to adjust, it is only necessary to adjustment air inflow can, low energy；
(3) bucket, mud-scrapping(sucking) machine, investment reduction are not needed；
(4) spoil disposal point is any, and sludge reflux point is any, flexible arrangement；
(5) sludge sufficient movement is not in the area Si Ni completely without dead angle；
(6) the phenomenon that water distribution is uniform, is not in the short stream in part；
(7) without mechanical equipment, saving construction cost and maintenance cost；
(8) nothing scrapes the installation of mud equipment, reliable and stable, does not need to overhaul；
(9) mode that air lift spoil disposal can be used is not needed using big automatic mud removing valve, investment reduction and maintenance cost.
Claims (10)
1. a kind of air lift stirring-type high dense settling pond, it is characterised in that: the clarifying basin include clarifying basin ontology, aeration mechanism,
Water intake mechanism, discharge mechanism and flocculant add mechanism, and the top of clarifying basin ontology is arranged in discharge mechanism；The clarifying basin sheet
Body is successively divided into reaction zone, flocculation zone and settling zone in the intrinsic demarcation plate of clarifying basin by being arranged from inside to outside, separates
There are passage gaps for the bottom end of plate and the bottom of clarifying basin ontology, and the bottom end of the demarcation plate between reaction zone and flocculation zone is lower than
The top of the bottom end of demarcation plate between flocculation zone and settling zone, the demarcation plate between reaction zone and flocculation zone is lower than discharge mechanism
Water inlet, the top of the demarcation plate between flocculation zone and settling zone is higher than the water inlet of discharge mechanism；Aeration mechanism packet
The aerator that reaction zone bottom is set is included, aerator is circumscribed with admission gear by air inlet pipe, is provided with air inlet in air inlet pipe
Control valve；The water intake mechanism includes water inlet pipe, the external raw water supply line in one end of water inlet pipe, and the other end of water inlet pipe protrudes into
Clarifying basin ontology extends to the lower part or bottom of reaction zone, is also equipped with water inlet control valve on water inlet pipe.
2. air lift stirring-type high dense settling pond according to claim 1, it is characterised in that: the flocculant adds mechanism
Including flocculant tank, flocculant adding tube is communicated on flocculant tank, the other end of flocculant adding tube protrudes into clarifying basin ontology
It extends to reaction zone or is directly connected to water inlet pipe, flocculant addition control valve is also equipped in flocculant adding tube.
3. air lift stirring-type high dense settling pond according to claim 1, it is characterised in that: the clarifying basin further include help it is solidifying
Mechanism is added in agent, and it includes flocculation aid tank that flocculation aid, which adds mechanism, and flocculation aid adding tube, flocculation aid addition are communicated on flocculation aid tank
The other end of pipe protrudes into the top of reaction zone, and flocculation aid addition control valve is also equipped in flocculation aid adding tube.
4. air lift stirring-type high dense settling pond according to claim 1, it is characterised in that: the reaction zone and flocculation zone
Between demarcation plate lower part to flocculation zone side tilt.
5. air lift stirring-type high dense settling pond according to claim 1 or 4, it is characterised in that: the flocculation zone and heavy
The lower part of demarcation plate between the area of shallow lake is tilted to settling zone side.
6. air lift stirring-type high dense settling pond according to claim 1, it is characterised in that: the clarifying basin further includes spoil disposal
Mechanism, mud discharging mechanism include being arranged in the intrinsic spoil disposal inner tube of clarifying basin, and the bottom of spoil disposal inner tube extends to the bottom of flocculation zone
The top in portion, spoil disposal inner tube is stretched out from the top of clarifying basin ontology, and the row for stretching out clarifying basin ontology is also communicated in spoil disposal inner tube
Mud outer tube is equipped with spoil disposal control valve on spoil disposal outer tube.
7. air lift stirring-type high dense settling pond according to claim 1, it is characterised in that: the admission gear includes drum
The air outlet of blower, air blower is connected to by air inlet pipe with aerator.
8. air lift stirring-type high dense settling pond according to claim 1, it is characterised in that: the discharge mechanism includes setting
The effluent trough in clarifying basin bodies top is set, the water inlet of effluent trough is connected to clarifying basin ontology, is additionally provided with just on effluent trough
In the water outlet of water outlet trough inner water outlet.
9. air lift stirring-type high dense settling pond according to claim 1, it is characterised in that: the clarifying basin ontology is whole
Cylindrical or rectangular-shape.
10. a kind of defecation method of air lift stirring-type high dense settling pond, it is characterised in that: this method uses claim 1-9
Air lift stirring-type high dense settling pond described in any one, its step are as follows:
(1) mechanism is added by flocculant and water inlet pipe adds flocculant and raw water into reaction zone, recycle aerator anti-
The bottom in area is answered to be aerated, the gas of input is stopped by the demarcation plate between reaction zone and flocculation zone, so that reaction zone and wadding
Pressure difference is formed between coagulation zone, so that the water flow of reaction zone is not flowed to two sides, from the lower part of reaction zone to reaction zone
Upper flow, while being reacted after driving the flocculant of addition to be sufficiently mixed with raw water on the top of reaction zone；
(2) after the reaction was completed, water flow releases the top that the demarcation plate between reaction zone and flocculation zone is crossed after gas, from flocculation
The top in area enters flocculation zone；
(3) it is settled from top to bottom into the water flow of flocculation zone, is divided into two-way in the bottom of flocculation zone, pass through reaction zone and wadding all the way
The bottom of demarcation plate between coagulation zone enters reaction zone and mixes with raw water, flocculant, is flocculated again, and another way is from flocculation zone
The bottom of demarcation plate between settling zone enters settling zone and is precipitated, and forms sludge；
(4) the intrinsic supernatant of clarifying basin is discharged from discharge mechanism, and the sludge in settling zone is between flocculation zone and settling zone
The bottom of demarcation plate flow into concentration in flocculation zone, sludge a part after concentration brings reaction zone by water flow again, constantly increases
Big reaction zone sludge concentration, the sludge of remainder are discharged through mud discharging mechanism.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN112777710A (en) * | 2021-01-13 | 2021-05-11 | 廖婧 | Automatic recovery unit of copper-containing waste water |
| CN114988540A (en) * | 2022-05-30 | 2022-09-02 | 包头钢铁（集团）有限责任公司 | Water-saving operation method of mechanical accelerated clarification tank |
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| CN112777710A (en) * | 2021-01-13 | 2021-05-11 | 廖婧 | Automatic recovery unit of copper-containing waste water |
| CN114988540A (en) * | 2022-05-30 | 2022-09-02 | 包头钢铁（集团）有限责任公司 | Water-saving operation method of mechanical accelerated clarification tank |
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