CN201665571U - Flocculation tank - Google Patents
Flocculation tank Download PDFInfo
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- CN201665571U CN201665571U CN2010201454761U CN201020145476U CN201665571U CN 201665571 U CN201665571 U CN 201665571U CN 2010201454761 U CN2010201454761 U CN 2010201454761U CN 201020145476 U CN201020145476 U CN 201020145476U CN 201665571 U CN201665571 U CN 201665571U
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- flocculation
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- reaction
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Abstract
The utility model discloses a flocculation tank including at least two reaction zones that mutually communicated. Each reaction zone is provided with an axial flow mechanical mixer (4), outside the axial flow mechanical mixer (4) is sleeved with a central guiding cylinder (6), a gap is provided between the bottom of the central guiding cylinder (6) and the bottom of the tank body of the reaction zone, behind the reaction zones is provided with a continuous flocculation zone (3) communicated with the reaction zones, the water inlet side of the continuous flocculation zone (3) is provided with a guiding partition wall (8) and the bottom of the continuous flocculation zone (3) is provided with a sludge drain tube (10). The flocculation pool not only can smoothly connect to the sedimentation tank in the subsequent process, enable mature floc particles, and improve the efficiency of subsequent deposition and separation, and also has high ratio of vortex, dense floc particles, as well as good flocculation effects. In addition, the flocculation tank has advantages of strong capability of adapting water content change, flexible adjustment of G value, convenient construction and easy maintenance.
Description
Technical field
The utility model relates to flocculation basin commonly used in a kind of water technology.
Background technology
The form of flocculation basin mainly contains waterpower flocculation and mechanical the flocculation two kinds in the water technology.Wherein waterpower flocculation form is more, and folded plate flocculation is for wherein a kind of, and three kinds of the relative flap of the general employing of the layout of its flap, parallel flap and straight parallel plates are in the majority with relative flap arrangements form.The water stream channel of folded plate type flocculation basin is made up of built-in flap relatively, adjacent flap crest, trough positioned opposite, thereby shrink neck in the formation of crest opposite position, form expansion cavity, shrink neck and expansion cavity interval arranged in series and formed aquaporin at the trough opposite position.Behind the current admission passage, receiving bottleneck formation high speed flow, and flow velocity reduces sharply when entering expansion cavity, and form eddy current thus.Because it is identical to shrink the geometrical dimension of neck and expansion cavity in the same passage, so the eddy current state is identical in each expansion cavity, power loss is identical, has identical G value, be that energy obtains uniformly distributing in water body, improved flocculation reaction speed, the theoretical flocculation time of Gu Zhebanxuningchi is shorter, usually at 10～15min.The folded plate flocculation pond has waterpower flocculation basin common advantage, does not have mechanical equipment that is:, safeguard simply, but its shortcoming is also very obvious: be subjected to water yield variable effect big as flocculating effect, it is little to regulate leeway; In addition, all the spoil disposal pipeline need be set in every passage in the folded plate flocculation pond, timing spoil disposal, troublesome poeration.
The machinery flocculation basin is by mixer arm current to be stirred to finish flocculation process.Its stirrer drive system is furnished with stepless speed-regulating device usually, and rotating speed is adjustable, and is so its adaptation water yield changing capability is strong, wider to the subject range of G value.But the current in the mechanical flocculation basin are in a kind of overall flow state usually, lack velocity variations, and the eddy current ratio is lower in the pond, so the design flocculation time of mechanical flocculation basin is longer usually, about about 20～25min, since the stirring of stirrer, common no spoil disposal problem in the mechanical flocculation basin.
In sum: common defective of folded plate flocculation pond and mechanical flocculation basin be its with settling tank between be connected not enough " smoothly ".Usually flocculation basin latter end G value is at 10～20S
-1About, and the interior G value of settling tank is usually at 0.1～0.01S
-1Even lower, between have a G value spacer section, promptly flocculation process is discontinuous, causes flocculation reaction to be carried out in flocculation basin not exclusively.
In addition, the flocculation basin of waterpower that is occurred in the prior art and machinery combination, usually all be the combination of similar " waterpower section+robotic segments " or " robotic segments+waterpower section ", wherein adopt the folded plate flocculation pond with leading portion, latter end adopts mechanical flocculation basin in the majority, but this all is a kind of pro forma combination, and the flocculation basin of two kinds of forms still independently carries out work, fundamentally two kinds of flocculation mode are not merged fully, thus its separately relative merits still exist.
The utility model content
The technical problems to be solved in the utility model provides and a kind ofly can be connected with the post precipitation pond smoothly, impels the floc particle maturation, and can improve the flocculation basin of post precipitation separation efficiency.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of flocculation basin, comprise the district of two-stage reaction at least that is interconnected, in each reaction zone, be equipped with the axial-flow machines stirrer, outer cover at the axial-flow machines stirrer is provided with central draft tube, leave the gap between the bottom of central draft tube and the reaction zone pond body bottom, be provided with the continuous flocculation zone that is communicated with reaction zone behind the reaction zone, be provided with the water conservancy diversion partition wall, and be provided with shore pipe in the bottom of flocculation zone continuously at the continuous influent side of flocculation zone.
Influent side at each reaction zone is provided with into water flow deflector.
Be provided with hyperchannel flap case in the outside of central draft tube, and leave the gap between the bottom of hyperchannel flap case and the reaction zone pond body bottom.
Compared with prior art, the utility model technology has the following advantages:
1, the utility model can be connected with the settling tank in the subsequent technique smoothly, and the floc particle maturation promotes the post precipitation separation efficiency.In the prior art, water outlet behind the process two-stage reaction district directly enters carries out the precipitate and separate separation in the settling tank, because the turbulent fluctuation degree of current in reaction zone is very high, flocculation process is discontinuous, so it is undesirable directly to enter in the settling tank postprecipitation effect, can not reach best water outlet effect; And in the utility model, after the second common reaction zone, be communicated with continuous flocculation zone again, the working order in this district is near perfect condition, current reduce along its flow velocity of water conservancy diversion partition wall gradually in this district, and its terminal G value can be controlled in about 1S-1, has realized the smooth connection with the post precipitation pond, in this zone, the flow turbulence degree will be well below first, second reaction zone, and flow shear is little, is suitable for the floc particle growth and maturity.After the closely knit flco that generates in first, second reaction zone enters continuous flocculation zone, particle aggregation, the flco size continues to increase, and wherein the heavy particle flco of part can fall to this reaction zone bottom, forms the suspension slime layer that is similar in the settling pond, be in contact with one another collision with coming the floc particle in the water, play the contact flocculation effect, it is ripe more that flco can become after by the suspension slime layer, separate easily more in the post precipitation pond, thereby the raising deposition efficiency improves the water outlet effect.
2, the utility model can be realized eddy current ratio height, and floc particle is closely knit, and flocculating effect is good.In the utility model, it is first reaction zone and second reaction zone that the two-stage reaction that is interconnected is distinguished another name, water inlet is under the guiding function of water inlet flow deflector, current flow through hyperchannel flap case from top to bottom, under the effect of the contraction neck of flap case and expansion cavity, form eddy current, uniform distribution in the flap case around the guide shell has been full of whole flow channel space; Simultaneously, under the effect of axial-flow machines stirrer, current enter second reaction zone by central draft tube from bottom to top again, therefore, eddy current ratio in the utility model working process is higher than traditional mechanical flocculation basin far away, has increased significantly that particle bumps shape, frequency of exposure in the water, has improved flocculating effect, simultaneously because the shearing action of eddy current, make the flco degree of compactness height that generates.
3, to adapt to water yield changing capability strong for the utility model, and the G value is adjusted flexibly.The utility model is by being provided with the axial-flow machines stirrer in the central draft tube of reaction zone, the lifting force that produces during the stirrer operation promotes water from bottom to top, water body moves upward along guide shell at the bottom of making the pond, arrive behind the top to around go out to flow, evenly enter in the subsequent reaction zone, current are introduced into guide shell hyperchannel flap case all around in this reaction zone, along the case interior passageway move downward arrive the pond at the bottom of, under the castering action of stirrer, enter guide shell again, form round-robin fluidised form up and down, the G value is determined by the stirrer rotating speed in the pond.When coming the water water yield to change, only need to change the stirrer rotating speed and can keep design G value; And when coming water water quality to change, when needing to adjust G value size, also only needing to adjust the stirrer rotating speed can realize.
4, the utility model easy construction, maintenance are simply.In the utility model, its hyperchannel flap case is modular design, the user can be divided into sizeable several module according to the flocculation basin size, carrying out preprocess makes, its material can be carbon steel, stainless steel or composite, treat that flocculation basin pond body construction finishes, directly place in the pond to get final product that it is very convenient to construct; While is equipped with the lifting hanger on each flap tank module, only its integral body need be hung out during regular maintenance to get final product, and maintenance workload significantly reduces.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is the structural representation of the utility model flocculation basin embodiment 1.
Fig. 2 is the structural representation of the utility model flocculation basin embodiment 2.
Fig. 3 is the floor plan synoptic diagram of the utility model flocculation basin embodiment 2.
Embodiment
Embodiment 1
With reference to Fig. 1, a kind of flocculation basin, comprise the district of two-stage reaction at least that is interconnected, in the present embodiment, reaction zone has two-stage, from left to right be followed successively by first reaction zone 1 and second reaction zone 2, in each reaction zone, be equipped with axial-flow machines stirrer 4, outer cover at axial-flow machines stirrer 4 is provided with central draft tube 6, leaves the gap between the bottom of central draft tube 6 and the reaction zone pond body bottom, is provided with the continuous flocculation zone 3 that is communicated with reaction zone behind the reaction zone, influent side at continuous flocculation zone 3 is provided with water conservancy diversion partition wall 8, and be provided with shore pipe 10 in the continuous bottom of flocculation zone 3, by setting up continuous flocculation zone 3 behind the flocculation basin reaction zone in the prior art, like this, the water outlet that contains flco from second reaction zone then enters continuous flocculation zone 3, this zone is a continuous gradation plug-flow fluidised form, and current are steady, and vorticity is low, be suitable for the flco growth, flco progressively becomes big along in the slow plug-flow process of water conservancy diversion partition wall 8, forms the degree of compactness height, the ripe flco that yardstick is big; The heavy particle flco of part stays in the contact flocculation district 9 of continuous flocculation zone 3 bottoms, becomes the suspension slime layer, is in contact with one another collision with coming the floc particle in the water, mutually cohesion; In addition, the suspension slime layer also plays the pre-filtering effect to impurity in the water, and is fast by macrobead, closely knit settling of floccus speed that above flocculation process forms, can improve the sedimentation effect in post precipitation pond, and effluent quality improves; Simultaneously, the outmoded body refuse in the contact flocculation district 9 is regularly discharged by shore pipe 10, and slime layer is brought in constant renewal in, and keeps active.
With reference to Fig. 2 and Fig. 3, a kind of flocculation basin, comprise the district of two-stage reaction at least that is interconnected, in the present embodiment, reaction zone has two-stage, from left to right be followed successively by first reaction zone 1 and second reaction zone 2, in above-mentioned reaction zone, be respectively equipped with axial-flow machines stirrer 4, outer cover 4 is provided with central draft tube 6, this built-up type flocculation basin also comprises the continuous flocculation zone 3 that is located at behind the reaction zone, and flocculation zone 3 is communicated with reaction zone continuously, is provided with water conservancy diversion partition wall 8 at the influent side of continuous flocculation zone 3, the gap is left with the bottom of continuous flocculation zone 3 pond bodies in the bottom of water conservancy diversion partition wall 8, is provided with shore pipe 10 in the bottom of continuous flocculation zone 3; In the present embodiment, be provided with hyperchannel flap case 5 in the outside of central draft tube 6, and the gap is all left with the bottom of reaction zone pond body in the bottom of hyperchannel flap case 5 and central draft tube 6, described hyperchannel flap case 5 is made up of side plate 12 and flap 13 two portions, its material is generally stainless steel plate, and hyperchannel flap case 5 is positioned on the bearing 11 on the sidewall of each reaction zone pond body; In order to guide water inlet to enter in the hyperchannel flap case 5, be provided with into water flow deflector 7 from top to bottom at the influent side of each reaction zone.
The utility model in use comes water at first to enter first reaction zone 1 with coagulating agent is well-mixed in the front end mixing pit, under the effect of water inlet flow deflector 7, moves downward and enters hyperchannel flap case 5, and this zone G value is higher, usually at 100～150S
-1About, for the collision condensation region, take off steady particle in the water and under the effect of eddy current, collide cohesion, form tiny wadding nuclear, enter second reaction zone 2 subsequently; Equally under the effect of water inlet flow deflector 7, the water outlet of first reaction zone 1 moves downward and enters hyperchannel flap case 5, this zone G value is relatively low, tiny wadding nuclear begins growth at this and increases, form flco, under the less eddy current shear action in this zone, the flco yardstick is less usually, but the degree of compactness height; The flco that begins to take shape then enters continuous flocculation zone 3, and this zone is a continuous gradation plug-flow fluidised form, and current are steady, vorticity is low, is suitable for flco growth, and flco is along in the slow plug-flow process of water conservancy diversion partition wall 8, progressively become big, formation degree of compactness height, the ripe flco that yardstick is big; The heavy particle flco of part stays in the contact flocculation district 9 of continuous flocculation zone 3 bottoms, becomes the suspension slime layer, is in contact with one another collision with coming the floc particle in the water, mutually cohesion; In addition, the suspension slime layer also plays the pre-filtering effect to impurity in the water, and is fast by macrobead, closely knit settling of floccus speed that above flocculation process forms, can improve the sedimentation effect in post precipitation pond, and effluent quality improves; Simultaneously, the outmoded body refuse in the contact flocculation district 9 is regularly discharged by shore pipe 10, and slime layer is brought in constant renewal in, and keeps active.
Claims (3)
1. flocculation basin, comprise the district of two-stage reaction at least that is interconnected, in each reaction zone, be equipped with axial-flow machines stirrer (4), outer cover at axial-flow machines stirrer (4) is provided with central draft tube (6), leave the gap between the bottom of central draft tube (6) and the reaction zone pond body bottom, it is characterized in that: be provided with the continuous flocculation zone (3) that is communicated with reaction zone behind the reaction zone, influent side at continuous flocculation zone (3) is provided with water conservancy diversion partition wall (8), and is provided with shore pipe (10) in the bottom of continuous flocculation zone (3).
2. flocculation basin according to claim 1 is characterized in that: the influent side at each reaction zone is provided with into water flow deflector (7).
3. flocculation basin according to claim 1 is characterized in that: be provided with hyperchannel flap case (5) in the outside of central draft tube (6), and leave the gap between the bottom of hyperchannel flap case (5) and the reaction zone pond body bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201454761U CN201665571U (en) | 2010-03-29 | 2010-03-29 | Flocculation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201454761U CN201665571U (en) | 2010-03-29 | 2010-03-29 | Flocculation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201665571U true CN201665571U (en) | 2010-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201454761U Expired - Fee Related CN201665571U (en) | 2010-03-29 | 2010-03-29 | Flocculation tank |
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| Country | Link |
|---|---|
| CN (1) | CN201665571U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104628175A (en) * | 2015-01-20 | 2015-05-20 | 成都格瑞思文化传播有限公司 | Domestic water storage tank with purifying function |
| CN105217760A (en) * | 2015-10-28 | 2016-01-06 | 上海市政工程设计研究总院（集团）有限公司 | A kind of double-deck incorgruous circulation machinery flocculation enhancing device |
| CN115367877A (en) * | 2022-08-24 | 2022-11-22 | 上海禾元环保集团有限公司 | Continuous circulating flow biological nitrogen and phosphorus removal reactor and method |
| CN115532141A (en) * | 2022-12-01 | 2022-12-30 | 山东华城工程技术有限公司 | Multistage flocculation turbine mixing system feeds water |
-
2010
- 2010-03-29 CN CN2010201454761U patent/CN201665571U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104628175A (en) * | 2015-01-20 | 2015-05-20 | 成都格瑞思文化传播有限公司 | Domestic water storage tank with purifying function |
| CN105217760A (en) * | 2015-10-28 | 2016-01-06 | 上海市政工程设计研究总院（集团）有限公司 | A kind of double-deck incorgruous circulation machinery flocculation enhancing device |
| CN115367877A (en) * | 2022-08-24 | 2022-11-22 | 上海禾元环保集团有限公司 | Continuous circulating flow biological nitrogen and phosphorus removal reactor and method |
| CN115367877B (en) * | 2022-08-24 | 2023-07-14 | 上海禾元环保集团有限公司 | Reactor and method for biological denitrification and dephosphorization by continuous circulation flow |
| CN115532141A (en) * | 2022-12-01 | 2022-12-30 | 山东华城工程技术有限公司 | Multistage flocculation turbine mixing system feeds water |
| CN115532141B (en) * | 2022-12-01 | 2023-04-07 | 山东华城工程技术有限公司 | Multistage flocculation turbine mixing system feeds water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Huatian Nanjing Engineering & Technology Corporation, MCC Assignor: Zhongye Huatian Engineering Technology Co., Ltd. Contract record no.: 2011320000561 Denomination of utility model: Purified water flocculation tank pressure balancing device Granted publication date: 20101208 License type: Exclusive License Record date: 20110415 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20190329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |