CN104261524A - High-efficiency flocculation reaction precipitation device and application thereof - Google Patents
High-efficiency flocculation reaction precipitation device and application thereof Download PDFInfo
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- CN104261524A CN104261524A CN201410433495.7A CN201410433495A CN104261524A CN 104261524 A CN104261524 A CN 104261524A CN 201410433495 A CN201410433495 A CN 201410433495A CN 104261524 A CN104261524 A CN 104261524A
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- water
- flocculation basin
- pond
- settling tank
- mixing pit
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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
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a high-efficiency flocculation reaction precipitation device which comprises a mixing pond, a flocculation basin and a settling pond, wherein the mixing pond consists of a pond body and a top platform of the pond body; a vertical folded paddle stirring machine is mounted in the center of the top platform; the mixing pond is provided with a coagulant feeding pipeline; the flocculation basin consists of a basin body and a second top platform; the vertical frame stirring machine is mounted in the center of the second top platform; the flocculation basin is provided with a coagulant aid or flocculating agent feeding pipeline; the settling pond is divided into an upper clean water area and a lower sludge concentration area; mating equipment mounted in the settling pond comprises a central water inlet tube for communicating the flocculation basin with the settling pond, a guide cylinder, a sludge concentration machine, a truss of the sludge concentration machine, a steel water collecting tank and a water outlet tube. The fed water enters the mixing pond, the flocculation basin and the settling pond in sequence, the static precipitation environment in the settling pond is not interfered while the reaction effects of the mixing pond and the flocculation basin are ensured, the suspended matters in the water can be effectively removed, the hardness of the water can be reduced, and the high-efficiency flocculation reaction precipitation device is used for treating replenishing water of circulation cooling water.
Description
Technical field
The invention belongs to sewerage disposing and regeneration field, particularly a kind of efficient flocculating reaction precipitation device.
Background technology
At present, the technique adopting coagulant sedimentation to remove suspended particle, hardness in water comprises the mixing of water and medicament, and reaction, flocs unit is separated three phases with water.Settling pond utilizes the impurity particle in the body refuse and former water that gather in pond to contact with each other, adsorb, to reach the structures that clear water is comparatively fast separated.The situation of body refuse pressed by settling pond, is generally divided into sludge circulation (backflow) to contact (filtration) type two class with body refuse.Wherein be most widely used with mechanical agitation type settling pond, this pond type belongs to sludge circulation (backflow) type settling pond, is made up of the first flocculating chamber, the second flocculating chamber and disengaging zone three part.For realizing High-speed clarification, prior art is more will be mixed, flocculation reaction and depositing technology be comprehensively in a pond.In circular pond, be provided with churned mechanically coagulating district with one heart, former water enters the first reaction chamber, and when paddle wheel rotates, pond bottom slurry is promoted to the first reaction chamber, and milk of lime, flocculation agent, coagulant aids add the first reaction chamber in the lump, and hybrid reaction occurs.After water and the flocs unit begun to take shape enter the second reaction chamber, current form slight eddy current, are conducive to growing up of small coagulated particles.In disengaging zone, water and body refuse particle separation, clear water is through water leg water outlet, and body refuse is except regularly discharging, and major part participates in backflow.
The deficiency of this type of settling pond is: the water of (1) first reaction chamber relies on the tooth harrow that can promote to open, be promoted to the second reaction chamber, in actually operating, operator are for reducing operational trouble, usually stirring tooth harrow is set to partly put forward rake or full open state, causing former water just directly to rise to the second reaction chamber without fully reacting, causing coagulating insufficient.(2) dynamic reaction flocculation basin is arranged in a pond with static depositing separation area, and be difficult to the interference avoiding mix and blend to depositing separation area, the current of disturbance can affect sedimentation effect, cause effluent quality to worsen.
Therefore, for above-mentioned the deficiencies in the prior art, still have the place being worth improving.
Summary of the invention
The present invention seeks to, insufficient for current accelerator hybrid reaction, the problem that depositing separation area is easily disturbed, provides a kind of efficient flocculating reaction precipitation device.
Technical solution of the present invention is, a kind of efficient flocculating reaction precipitation device, comprises mixing pit, flocculation basin, settling region; Described mixing pit pond is made up of pond body and top platform thereof, and vertical folding oar stirrer is arranged on top platform (inspection platform) center, and mixing pit is provided with coagulating agent and applies pipeline (applying pipeline to throw to this region); Described flocculation basin is made up of pond body and the second top platform, vertical Frame type stirrer is arranged on the second top platform center, the diameter of the stirring frame of Frame type stirrer is advisable with the 1/2-1/3 of the flocculation basin length of side, and flocculation basin is provided with coagulant aids or flocculation agent applies pipeline (to this region); Described settling tank is divided into clear water zone, top and body refuse enrichment region, bottom, and the support equipment installed at settling tank comprises connection flocculation basin and settling tank center water inlet pipe, guide shell, sludge concentrator and truss, steel water leg and rising pipe.
The underwater portion of described efficient flocculating reaction precipitation device internals all adopts epoxy resin preservative coat to apply.
Three ponds of mixing pit, flocculation basin, settling tank composition are integrated in structures.Settling tank is circular pond type, and mixing pit is positioned at the excircle of circular settling tank, and is connected with feed-water end, build jointly with settling tank, in part ring-shaped, flocculation basin is positioned at mixing pit water side, also the excircle and the settling tank that are positioned at circular settling tank are built jointly, in part ring-shaped.Water enters mixing pit, flocculation basin successively, with the medicament generation coagulating added wherein, water with flocs unit connects by being provided with of flocculation basin top the guide shell that flocculation basin to be accessed settling tank center by pipe core, and the water with flocs unit is dispensed to settling region downwards by guide shell.
The invention has the beneficial effects as follows, a kind of efficient flocculating reaction precipitation device provided by the invention, effectively can remove the suspended substance in water and hardness, in the process for recirculated cooling water make up water, or as the pretreatment technology of Reusing Intermediate Water of Power Plants, ensure the stability of follow-up desalting system.Mixing, flocculation, precipitation both concentrated in a unit and completed by described efficient flocculating reaction precipitation device, made again each elementary reaction not interfere with each other, and while ensureing mixing, flocculation reaction effect, the static sedimentation environment of settling region can not be broken.
Accompanying drawing explanation
Fig. 1 is efficient flocculating reaction precipitation setting plane of the present invention.
Fig. 2 is efficient flocculating reaction precipitation device sectional view of the present invention.
Embodiment
Below in conjunction with example, the present invention will be further described: shown in figure, 1-mixing pit, 2-flocculation basin, 3-mixing paddle stirrer, 4-flocculates Frame type stirrer, 5-pipe core, 6-guide shell, 7-sludge concentrator and truss thereof, 8-steel water leg, 9-settling tank, 11-rising pipe.
A kind of efficient flocculating reaction precipitation device is made up of mixing pit, flocculation basin, settling tank, and three ponds are integrated in structures, make mixing, flocculation, precipitation concentrate in a unit and complete.Described flocculation basin water outlet causes guide shell by the pipe core of level at the central part of flocculation basin, and guide shell is dispensed to flocculation basin effluent settling chamber downwards, completes mud-water separation.Settling tank is circular pond type, and water enters mixing pit, flocculation basin successively, settling tank.This appliance ensure mixing pit, while flocculation basin reaction effect, the static sedimentation environment of settling region again can not be disturbed.Effectively can remove the suspended substance in water and hardness, in the process for recirculated cooling water make up water, or as the pretreatment technology of Reusing Intermediate Water of Power Plants, ensure the stability of follow-up desalting system.
Mixing pit is positioned at settling tank feed-water end, builds jointly with settling tank, in part annular, arranges vertical paddle agitator in pond.
Flocculation basin is positioned at mixing pit water side, builds jointly with settling tank, in part annular, arranges vertical Frame type stirrer in pond.The flocculation basin of two part annulars is connected with mixing pit.According to water water-quality guideline, PAC and milk of lime can be added in mixing pit, in flocculation basin, add PAM.Especially the pre-treatment of Reusing Intermediate Water of Power Plants and the process of recirculated cooling water make up water is applicable to.
Embodiment 1
With reference to Fig. 1, Fig. 2, described a kind of efficient flocculating reaction precipitation device, as SS > 100mg/L in former water, hardness is (with CaCO
3meter) > 1000mg/L time, water outlet be used for recirculated cooling water make up water, require SS < 20mg/L, hardness is (with CaCO
3meter) < 700mg/L, water enters coagulation basin 1 successively, flocculation basin 2, settling tank 3.Add PAC and milk of lime in described coagulation basin 1, it is 20-30mg/l that PAC adds concentration, and the residence time is 2min, and stirring velocity gradient is 800s
-1.Add PAM in described flocculation basin 2, it is 1-2mg/l that PAM adds concentration, and the residence time is 15min, and stirring velocity gradient is 30s
-1.Described settling tank 9 internal surface load is 8-12m
3/ (m
2h).
Embodiment 2
With reference to Fig. 1, Fig. 2, as SS > 100mg/L in former water, hardness is (with CaCO
3meter) < 100mg/L time, water outlet is as Reusing Intermediate Water of Power Plants or enter desalting system, and require SS < 10mg/L, water enters coagulation basin 1 successively, flocculation basin 2, settling tank 3.Add PAC in described coagulation basin 1, it is 20-30mg/l that PAC adds concentration, and the residence time is 1min, and stirring velocity gradient is 500s
-1.Add PAM in described flocculation basin 2, it is 1-2mg/l that PAM adds concentration, and the residence time is 10min, and stirring velocity gradient is 60s
-1.Described settling tank 9 internal surface load is 10-13m
3/ (m
2h).
Claims (5)
1. an efficient flocculating reaction precipitation device, is characterized in that comprising mixing pit, flocculation basin, settling tank; Described mixing pit is made up of pond body and top platform thereof, and vertical folding oar stirrer is arranged on top platform center, and mixing pit is provided with coagulant dosage pipeline; Described flocculation basin is made up of pond body and the second top platform, and vertical Frame type stirrer is arranged on the second top platform center, and flocculation basin is provided with coagulant aids or flocculant concentration pipeline; Described settling tank is divided into clear water zone, top and body refuse enrichment region, bottom, and the support equipment installed at settling tank comprises connection flocculation basin and settling tank center water inlet pipe, guide shell, sludge concentrator and truss, steel water leg and rising pipe.
2. efficient flocculating reaction precipitation device according to claim 1, is characterized in that the underwater portion of described efficient flocculating reaction precipitation device internals all adopts epoxy resin preservative coat to apply.
3. efficient flocculating reaction precipitation device according to claim 1, is characterized in that three ponds that mixing pit, flocculation basin, settling tank form are integrated in structures; Settling tank is circular pond type, and mixing pit is positioned at the excircle of circular settling tank, and is connected with feed-water end, build jointly with settling tank, in part ring-shaped, flocculation basin is positioned at mixing pit water side, also the excircle and the settling tank that are positioned at circular settling tank are built jointly, in part ring-shaped.Water enters mixing pit, flocculation basin successively, with the medicament generation coagulating added wherein, water with flocs unit connects by being provided with of flocculation basin top the guide shell that flocculation basin to be accessed settling tank center by pipe core, and the water with flocs unit is dispensed to settling region downwards by guide shell.
4. efficient flocculating reaction precipitation device according to claim 1, is characterized in that flocculation basin is positioned at mixing pit water side, builds jointly with settling tank, and the second top platform center arranges vertical Frame type stirrer; The diameter of the stirring frame of Frame type stirrer is with the 1/2-1/3 of the flocculation basin length of side.
5. efficient flocculating reaction precipitation device according to claim 1, is characterized in that, according to water water-quality guideline, adding PAC and milk of lime, in flocculation basin, add PAM in mixing pit; For the pre-treatment of Reusing Intermediate Water of Power Plants and the process of recirculated cooling water make up water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410433495.7A CN104261524B (en) | 2014-08-28 | 2014-08-28 | High-efficiency flocculation reaction precipitation device and application thereof |
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| CN201410433495.7A CN104261524B (en) | 2014-08-28 | 2014-08-28 | High-efficiency flocculation reaction precipitation device and application thereof |
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| CN104261524A true CN104261524A (en) | 2015-01-07 |
| CN104261524B CN104261524B (en) | 2017-02-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106830373A (en) * | 2016-12-11 | 2017-06-13 | 清水源（上海）环保科技有限公司 | A kind of high rigidity removes hard pre-processing device |
| CN107008037A (en) * | 2017-06-02 | 2017-08-04 | 上海楚源环保科技有限公司 | Efficient sedimentation tank and its technique |
| CN107915346A (en) * | 2017-11-20 | 2018-04-17 | 哈尔滨商业大学 | A kind of center mixes concentric circular sector gallery grid flocculation sector tube settling integrated apparatus |
| CN113582313A (en) * | 2021-08-12 | 2021-11-02 | 深圳市正达环境工程实业有限公司 | Medium-added efficient sedimentation tank water treatment process and system thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2767430Y (en) * | 2005-02-21 | 2006-03-29 | 于东江 | High rate precipitation device in water treatment |
| CN101117250A (en) * | 2007-06-01 | 2008-02-06 | 华电水处理技术工程有限公司 | Method and equipment for purifying recirculated cooling water or town B-grade sewage |
| KR101017055B1 (en) * | 2010-01-21 | 2011-02-23 | 지희철 | Sewage and waste water disposal phosphorus system |
-
2014
- 2014-08-28 CN CN201410433495.7A patent/CN104261524B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2767430Y (en) * | 2005-02-21 | 2006-03-29 | 于东江 | High rate precipitation device in water treatment |
| CN101117250A (en) * | 2007-06-01 | 2008-02-06 | 华电水处理技术工程有限公司 | Method and equipment for purifying recirculated cooling water or town B-grade sewage |
| KR101017055B1 (en) * | 2010-01-21 | 2011-02-23 | 지희철 | Sewage and waste water disposal phosphorus system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106830373A (en) * | 2016-12-11 | 2017-06-13 | 清水源（上海）环保科技有限公司 | A kind of high rigidity removes hard pre-processing device |
| CN107008037A (en) * | 2017-06-02 | 2017-08-04 | 上海楚源环保科技有限公司 | Efficient sedimentation tank and its technique |
| CN107915346A (en) * | 2017-11-20 | 2018-04-17 | 哈尔滨商业大学 | A kind of center mixes concentric circular sector gallery grid flocculation sector tube settling integrated apparatus |
| CN113582313A (en) * | 2021-08-12 | 2021-11-02 | 深圳市正达环境工程实业有限公司 | Medium-added efficient sedimentation tank water treatment process and system thereof |
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| CN104261524B (en) | 2017-02-22 |
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Address after: No. 1800, Chengxin Avenue, Jiangning District, Nanjing City, Jiangsu Province Patentee after: CEC ENVIRONMENTAL PROTECTION Co.,Ltd. Address before: No. 1800, Chengxin Avenue, Jiangning District, Nanjing City, Jiangsu Province Patentee before: NANJING CEC ENVIRONMENTAL PROTECTION Co.,Ltd. |
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Effective date of registration: 20210618 Address after: No. 1800, Chengxin Avenue, Jiangning Development Zone, Nanjing, Jiangsu, 211106 Patentee after: Nanjing Yangtze River Ecological Environment Industry Research Institute Co.,Ltd. Address before: No. 1800, Chengxin Avenue, Jiangning District, Nanjing City, Jiangsu Province Patentee before: CEC ENVIRONMENTAL PROTECTION Co.,Ltd. |