CN1349932A - Multifunctional air floating settling pond and its treatment process - Google Patents
Multifunctional air floating settling pond and its treatment process Download PDFInfo
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- CN1349932A CN1349932A CN 01128850 CN01128850A CN1349932A CN 1349932 A CN1349932 A CN 1349932A CN 01128850 CN01128850 CN 01128850 CN 01128850 A CN01128850 A CN 01128850A CN 1349932 A CN1349932 A CN 1349932A
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Abstract
The invention relates to a multifunctional air-float clarifying tank and its treatment process. It is characterized by combining clarifying tank and air-floating tank into one body, when it is used to purify feed water with high turbidity, it can be used as clarifying tank, and when it is used to purify the polluted feed water with low turbidity, it can be used as air-floating tank, and when the invented multifunctional air-float clarifying tank is operated, the coagulating agent and diatomite also can be added to effectively raise its treatment effect. It is applicable to various water supply-drainage purification systems.
Description
One, technical field
The present invention relates to a kind of multifunctional air floating settling pond and treatment process thereof.
Two, background technology
In recent years, the national economic development is rapid unusually, and the importance of water is more outstanding; the demand of water constantly increases, and on the other hand, the water source is polluted; the task of protect environment, disposing of sewage is very urgent; and the task of top priority especially of the water supply purification at contaminated water source in addition in geography and climatic factor, has also proposed new requirement to the feedwater and the purifying problem of draining; Urban water supply at present; the water yield does not catch up with, and contaminated water source makes water quality not guarantee again.The China north, winter cold, river and water temperature of reservoir are very low, and turbidity is also low, and the sedimentation time of water lengthening, sedimentation effect are poor when handling, be fit to adopt air-float technology to carry out water treatment, but these water sources are in summer, and turbidity rises again, air-float technology is incompatible again, and the employing depositing technology is relatively good again, the clarification that suspends is also more suitable.Still do not have at present the water treating pond of the various Various Seasonal of a kind of suitable purification, different water quality, and when the water treatment that pollution is arranged, do not add diatomite, only add coagulating agent, treatment effect is not very desirable.
Three, summary of the invention
The purpose of this invention is to provide a kind of multifunctional air floating settling pond, in same pond with air-float technology and clarification process molten be one, can not only be suitable for to water treatment and can be applicable to sewage disposal, can handle former water of different nature, adaptability is strong, simple in structure, result of use is good, have efficient height, reduced investment, cost low, take up an area of less, advantage such as instant effect.
Another object of the present invention provides a kind of multifunctional air floating clarifying treatment technology, be to carry out water or sewage disposal with air flotation pool of the present invention and settling pond, in treatment process, in distributing well, add an amount of diatomite, can effectively improve the water treatment effect according to the water quality difference.
The object of the present invention is achieved like this: this multifunctional air floating settling pond, be by pond body and distributing well, water intaking valve, blow-off valve, sewage well etc. are formed, during as settling pond, several lattice tapered bottom in body lower section, pond, middle layout is the body refuse concentration compartments, lattice on the limit are the body refuse suspension zone, body top, pond is settling section, the pond body side surface has distributing well, blocking dirty lattice in the distributing well deletes, water pipe passes distributing well by the perforation water distributing pipe of clarification water intaking valve to bottom, body refuse suspension zone, the external side lower part in pond has sewage well, the mud valve that links to each other with bottom, body refuse concentration compartments is arranged in the sewage well, and body top, pond is connected with water leg, and water leg links to each other with the clarification and effluent valve of pond external body.
A kind of air floating settling pond treatment process is to utilize above-mentioned settling pond to carry out water or sewage disposal.
This multifunctional air floating settling pond, also can be used as air flotation pool, at this moment, several lattice tapered bottom in body lower section, pond, middle layout is the copolyreaction chamber, Bian Shangge is a clear water zone, body top, pond is the flotation separation zone, the pond body side surface has distributing well, block dirty grid in the distributing well, water pipe passes distributing well and penetrates the copolyreaction chamber by the air supporting water intaking valve, the perforation header is arranged at the bottom in the clear water zone, the pipe that links to each other with the perforation header passes the pond body and links to each other with the clear water outlet valve of pond external body, ash pit is arranged at body top, pond, ash pit links to each other with the air supporting residual cake valve of pond external body, the external side lower part in pond has sewage well, and the blow-off valve that links to each other with copolymerization reaction chamber bottom is arranged in the sewage well, side, pond portion have link to each other with air compressor machine and reflux pump respectively dissolving, pipe passes and penetrates the pond body from dissolving and links to each other with dissolved air release in the copolymerization reaction chamber, and slag scraper is arranged at body top, pond.
A kind of air floating settling pond treatment process is to utilize air flotation pool recited above to carry out water or sewage disposal.
This air floating settling pond treatment process in described water or the sewage treatment process, according to the difference of water quality, also adds diatomite in the above except that the coagulating agent that adds suitable types in distributing well.
Effect of the present invention is as follows:
1. treatment effect is good
The present invention is turbid to going, discolor, dephosphorization, denitrogenate, deironing, demanganization, arsenic removal, remove nitrite nitrogen, remove anion synthetic detergent, remove COD, remove BOD
5, remove intestinal bacteria and total plate count etc. good effect all arranged, carry out water treatment and sewage and in the water treatment, coagulating agent selects for use adaptability the most widely beyond the CHY high-efficiency polymerization ferro-aluminum, also add the very strong diatomite of adsorptivity, can improve the water treatment effect, with the effect to Dian Chi, Yunnan Province water and sewage disposal is example, and effect is face table 1 and table 2 as follows:
Table 1 air-float technology treatment effect
Table 2 clarification process treatment effect
| Project | Unit | Dian Chi Yuan Shui | Water outlet | Processing rate | GB | Remarks |
| Colourity | Degree | ???22.5 | ??＜5 | ?????77.78 | ????15 | Kunming three water factories |
| ???30 | ??5 | ?????83.33 | The air supporting pilot scale | |||
| Turbidity | Degree | ???50 | ??2 | ?????96.00 | ????3 | Dian Chi water factory |
| ???15～45 | ??0.2～2 | ???86.6～99.5 | The air supporting pilot scale | |||
| ???15 | ??2 | ?????86.67 | Kunming three water factories | |||
| Oxygen-consumption | Mg/litre | ???8.84 | ??2.45 | ?????72.3 | ??????- | The air supporting pilot scale |
| Iron | Mg/litre | ???0.4 | ??≤0.02 | ???＞95.00 | ????0.3 | Dian Chi water factory |
| ???1.08 | ??0.09 | ?????91.67 | The air supporting pilot scale | |||
| Manganese | Mg/litre | ???0.067 | ??0.045 | ?????92.50 | Dian Chi water factory | |
| Arsenic | Mg/litre | ???0.012 | ??0.009 | ?????75.00 | ????0.05 | Kunming three water factories |
| Anionic detergent | Mg/litre | ???0.14 | ??0.06 | ?????57.14 | ????0.3 | Kunming three water factories |
| Intestinal bacteria | Individual/milliliter | ???2380 | ??＜3 | ?????100 | ????3 | Kunming three water factories |
| Total plate count | Individual/milliliter | ???60 | ??0 | ?????100 | ????100 | Kunming three water factories |
| Algae | Ten thousand/liter | ???146.25 | ??15.16～15.45 | ???89.4～93.1 | ?????- | Kunming three water factories |
| Total phosphorus | Mg/litre | ???1.35～29.13 | ??0.017～0.076 | ???88.6～99.7 | ?????- | The sewage disposal pilot scale |
| Total nitrogen | Mg/litre | ???0.517 | ??0.129 | ?????75.01 | ?????- | The sewage disposal pilot scale |
| PH value | ???8.95～8.5 | ??6.54～7.5 | ??6.5～8.5 | Dian Chi water factory | ||
| Fluorochemical | Mg/litre | ???0.46 | ??0.36 | ?????21.74 | ????1.0 | Dian Chi water factory |
| Project | Unit | Former water | Water outlet | Processing rate | After the filter | Remarks |
| Turbidity | Degree | ???13.1 | ???3.05 | ?????76.72 | ????0.19 | The brave water factory of drawing of Burma in 2000 |
| Iron | Mg/litre | ???0.26 | ???0.05 | ?????80.77 | ????＜0.04 | |
| Plumbous | Mg/litre | ???1.2 | ???＜0.5 | ＞58.33 | ????＜0.5 |
The mensuration of above data, except that the sewage disposal pilot scale was measured by Kunming environmental monitoring station, all the other were measured by changing the chamber in the Running-water Company of Kunming.
Table 3 is to handle Dian Chi lake water pilot-scale experiment by the copolyreaction air-float technology that Kunming health and epidemic prevention station measures, and is as follows:
Table 3 copolyreaction air-float technology is handled Dian Chi lake water pilot-scale experiment
| Sequence number | Project | Air supporting pilot scale effect | Processing rate (%) | The tap water GB | ||
| Unit | Dian Chi Yuan Shui | The air supporting water outlet | ||||
| ????1 | Colourity | Degree | ????45 | ????＜5 | ????＞88.89 | ????15 |
| ????2 | Turbidity | Degree | ????40 | ????1 | ????97.50 | ????3 |
| ????3 | The naked eyes visible | ?????- | Have | Do not have | ????100.00 | Do not have |
| ????4 | ????PH | ?????- | ????8.75 | ????7.39 | ??6.6～8.5 | |
| ????5 | Ammonia nitrogen | ????mg/l | ????0.295 | ????0.056 | ????81.10 | |
| ????6 | Nitrous acid nitrogen | ????mg/l | ????0.0077 | ????0.0025 | ????67.53 | |
| ????7 | ????COD | ????mg/l | ????7.29 | ????3.39 | ????53.50 | |
| ????8 | Iron | ????mg/l | ????0.708 | ????＜0.02 | ????＞97.18 | ????0.3 |
| ????9 | Manganese | ????mg/l | ????0.034 | ????＜0.01 | ????＞70.59 | ????0.1 |
| ????10 | Anion synthetic detergent | ????mg/l | ????0.16 | ????＜0.1 | ????＞37.50 | ????0.3 |
| ????11 | Fluorochemical | ????mg/l | ????0.36 | ????0.21 | ????41.67 | ????1.0 |
| ????12 | Nitrate nitrogen | ????mg/l | ????0.26 | ????0.2 | ????23.08 | ????20 |
| ????13 | Phenyl-hexachloride | ????ug/l | ????0.12 | ????0.014 | ????88.33 | ????5 |
| ????14 | Total plate count | Individual/ml | ????430 | ????0 | ????100.00 | ????100 |
| ????15 | Intestinal bacteria | Individual/l | ????230 | ????＜3 | ????＞98.70 | ????3 |
| ????16 | Aluminium | ????mg/l | ????0.72 | ????0.26 | ????63.89 | |
As seen from the above table, all index had just reached drinking water standard before filtering, and effect is fine.
2. adaptability is strong
Can both be suitable for water source turbidity subject range 3～3000 degree to low temperature and low turbidity water water and the processing not of high turbidity; Can both be suitable for for polluted water body and not comtaminated water body; Processing and middle water reuse to industrial sewage and sanitary sewage can both adapt to, especially for papermaking, print and dye, butcher, sewage such as sugaring adapts to; Wider for thermal adaptability, 0～40 degree Celsius all can; To geographic subject range, south and the north all can, China all is suitable for outer state; Indoor, outdoor all can, specifically answer root a tree name area and decide.
Simple structure, take up an area of little, reduced investment
Because improvement to air supporting and the technology of clarification own, so, the diatomite air floating settling pond is structurally much simple than floating depositing pool, and it has saved the reaction tank of Individual existence, is vertical-flow on the type of pond, the pond shape can be designed to circle, also can be rectangle, disengaging time shortens than flat flow floating depositing pool, has reduced floor space, has saved construction investment, generally speaking, take up an area of few 50%, initial cost and also lack 50%.
4. flexible operation
Guaranteeing under the situation of treatment effect very big handiness to be arranged in the operation, can clarify operation, also annoying transportation by driving is capable; On diatomaceous adding, also submit to objective needs; Select in the model of coagulating agent, also will be as the criterion with adaptability with the water quality situation.
5. the scum silica frost water ratio is lower
Aspect sewage disposal, the processing of mud is a very important job, and with diatomite air supporting method, mud (scum silica frost) water ratio is much lower, and therefore, expense is lower when sludge drying.
Four, description of drawings
Fig. 1 is that the present invention clarifies the structural representation when moving.
Structural representation when Fig. 2 is air supporting of the present invention operation.
Five, embodiment
Structure when multifunctional air floating settling pond of the present invention uses when using as settling pond and as air flotation pool is identical, effect difference when the root a tree name is used, only the title of some member changes, as same pipe of bore a hole water distributing pipe 5 and perforation header 5 ' be actually, for ease of explanation, in clarification process and air-float technology, use different titles because of role is different.
Among Fig. 1, multifunctional air floating settling pond is during as settling pond, by pond body and distributing well 1, sewage well 20 compositions such as grade, several lattice tapered bottom in body lower section, pond, middle layout is body refuse concentration compartments 7, lattice on the limit are body refuse suspension zone 6, body top, pond is settling section 8, the pond body side surface has distributing well 1, block dirty grid 2 in the distributing well 1, water pipe passes distributing well 1 by the perforation water distributing pipe 5 of clarification water intaking valve 4 to 6 bottoms, body refuse suspension zone, the external side lower part in pond has sewage well 20, the mud valve 14 that links to each other with 7 bottoms, body refuse concentration compartments is arranged in the sewage well 20, and body top, pond is connected with water leg 9, and water leg 9 links to each other with the clarification and effluent valve 11 of pond external body.
Among Fig. 2, during as air flotation pool, several lattice tapered bottom in body lower section, pond, in layout be copolyreaction chamber 7 ', Bian Shangge be clear water zone 6 ', body top, pond be flotation separation zone 8 ', the pond body side surface has distributing well 1, block dirty grid 2 in the distributing well 1, water pipe pass distributing well 1 by air supporting water intaking valve 3 penetrate copolyreaction chamber 7 ', clear water zone 6 ' interior bottom have the perforation header 5 ', pass the pond body with the pipe of perforation header 5 ' link to each other and link to each other with the clear water outlet valve 10 of pond external body, body top, pond have ash pit 9 ', ash pit 9 ' link to each other with the air supporting residual cake valve 12 of pond external body, the external side lower part in pond has sewage well 20, and the blow-off valve 13 that links to each other with copolymerization reaction chamber 7 ' bottom is arranged in the sewage well 20, side, pond portion have link to each other with air compressor machine 17 and reflux pump 18 respectively dissolving 16, pipe passes and penetrates pond body and copolymerization reaction chamber 7 ' interior dissolved air release 15 from dissolving 16 and links to each other, body top, pond is connected with residual cake valve 12, and slag scraper 19 is arranged at body top, pond
During the clarification operation, technology is as follows: close air supporting water intaking valve 3, open clarification water intaking valve 4, the former water that added coagulating agent is from distributing well 1, by blocking behind the thick foreign material of dirty grid 2 interceptions from perforation water distributing pipe 5 to body refuse suspended layer 6, taking off steady suspended impurity in the water is held back by active sludge absorption, behind body refuse suspended layer 6, clear water rises and flows out through clear water zone 8 to perforation water leg 9, is sent by the clarification and effluent valve of opening 11.Ever-increasing body refuse overflows successively to body refuse concentration compartments 7 in the body refuse suspended layer 6, after gravity concentrates, is sink to 7 bottoms, body refuse concentration compartments, is regularly opened by coupled mud valve 14 and discharges.
During the air supporting operation, technology is as follows: close clarification water intaking valve 4, open air supporting water intaking valve 3, by filling coagulating agent and diatomaceous former water by distributing well 1 through water pipe to copolyreaction chamber 7 ', mix with the microbubble that discharges by dissolved air release 15 from dissolving 16, at this moment, suspended impurity in the water, coagulating agent, microbubble and diatomite carry out copolyreaction in water body, form density less than 1 flocs unit, shift to rapidly flotation separation zone 8 ', scum silica frost rises to the water surface, clear water by bottom clear water zone 6 ' enter perforation header 5 ', send to air supporting clear water outlet valve 10 at last.The scum silica frost that produces can by slag scraper 19 scrape to ash pit 9 ', open air supporting residual cake valve 12 and discharge, regularly scrape the slag deslagging.Water during this air-float technology also can be used to handle.
This air floating settling pond not only can be designed to garden shape, also can be rectangle, the large, medium and small type scale that the root a tree name need adapt to and deciding.
Preferably during former water, can not add diatomite in the distributing well 1 in water quality treatment, when handling more serious former water of damage ratio and sewage disposal, need add diatomite in distributing well 1, consumption root a tree name is handled the situation decision of former water.
Claims (5)
1, a kind of multifunctional air floating settling pond, be by pond body and distributing well (1), sewage well compositions such as (20), it is characterized in that: during as settling pond, several lattice tapered bottom in body lower section, pond, middle layout is body refuse concentration compartments (7), lattice on the limit are body refuse suspension zone (6), body top, pond is settling section (8), the pond body side surface has distributing well (1), block dirty grid (2) in the distributing well (1), water pipe passes the perforation water distributing pipe (5) of distributing well (1) by clarification water intaking valve (4) to body refuse suspension zone (6) bottom, the external side lower part in pond has sewage well (20), the mud valve (14) that links to each other with body refuse concentration compartments (7) bottom is arranged in the sewage well (20), body top, pond connects water leg (9), and water leg (9) links to each other with the clarification and effluent valve (11) of pond external body.
2, a kind of multifunctional air floating settling pond treatment process is characterized in that: utilize the described settling pond of claim 1 to carry out water or sewage disposal.
3, multifunctional air floating settling pond as claimed in claim 1, it is characterized in that: during as air flotation pool, several lattice tapered bottom in body lower section, pond, middle layout is copolyreaction chamber (7 '), Bian Shangge is clear water zone (6 '), body top, pond is flotation separation zone (8 '), the pond body side surface has distributing well (1), block dirty grid (2) in the distributing well (1), water pipe passes distributing well (1) and penetrates its poly-reaction chamber (7 ') by air supporting water intaking valve (3), perforation header (5 ') is arranged at the interior bottom of clear water zone (6 '), the pipe that links to each other with perforation header (5 ') passes the pond body and links to each other with the clear water outlet valve (10) of pond external body, ash pit (9 ') is arranged at body top, pond, ash pit (9 ') links to each other with the air supporting residual cake valve (12) of pond external body, the external side lower part in pond has sewage well (20), the blow-off valve (13) that links to each other with copolymerization reaction chamber (7 ') bottom is arranged in the sewage well (20), side, pond portion have link to each other with air compressor machine (17) and reflux pump (18) respectively dissolving (16), pipe links to each other from the dissolved air release (15) that dissolving (16) passes and penetrates in pond body and the copolymerization reaction chamber (7 '), body top, pond is connected with residual cake valve (12), and slag scraper (19) is arranged at body top, pond.
4, a kind of multifunctional air floating settling pond treatment process is characterized in that: utilize the described air flotation pool of claim 3 to carry out water or sewage disposal.
5, as claim 2 or 4 described multifunctional air floating settling pond treatment process, it is characterized in that: in claim 2 and described water of claim 4 or sewage treatment process, according to the difference of water quality, in distributing well (1), except that the coagulating agent that adds suitable types, also add diatomite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011288507A CN1151079C (en) | 2001-09-12 | 2001-09-12 | Multifunctional air floating settling pond and its treatment process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011288507A CN1151079C (en) | 2001-09-12 | 2001-09-12 | Multifunctional air floating settling pond and its treatment process |
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| Publication Number | Publication Date |
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| CN1349932A true CN1349932A (en) | 2002-05-22 |
| CN1151079C CN1151079C (en) | 2004-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB011288507A Expired - Fee Related CN1151079C (en) | 2001-09-12 | 2001-09-12 | Multifunctional air floating settling pond and its treatment process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112971A (en) * | 2013-03-05 | 2013-05-22 | 大连交通大学 | Coagulation-floatation and co-coagulation solid-liquid separation device and solid-liquid separation method |
| CN104291497A (en) * | 2014-11-03 | 2015-01-21 | 山东建筑大学 | Copolymerization pond integrating functions of air flotation and clarification |
| CN106830243A (en) * | 2017-02-17 | 2017-06-13 | 郭晓辉 | Multi-functional diatomite coagulation air-float integration apparatus |
-
2001
- 2001-09-12 CN CNB011288507A patent/CN1151079C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112971A (en) * | 2013-03-05 | 2013-05-22 | 大连交通大学 | Coagulation-floatation and co-coagulation solid-liquid separation device and solid-liquid separation method |
| CN103112971B (en) * | 2013-03-05 | 2014-04-16 | 大连交通大学 | Coagulation-floatation and co-coagulation solid-liquid separation device and solid-liquid separation method |
| CN104291497A (en) * | 2014-11-03 | 2015-01-21 | 山东建筑大学 | Copolymerization pond integrating functions of air flotation and clarification |
| CN104291497B (en) * | 2014-11-03 | 2015-12-02 | 山东建筑大学 | A kind of copolymerizing and air-float settling pond |
| CN106830243A (en) * | 2017-02-17 | 2017-06-13 | 郭晓辉 | Multi-functional diatomite coagulation air-float integration apparatus |
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| Publication number | Publication date |
|---|---|
| CN1151079C (en) | 2004-05-26 |
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Granted publication date: 20040526 Termination date: 20100912 |