CN104628070B - A kind of defoaming system and method suitable for wastewater treatment - Google Patents
A kind of defoaming system and method suitable for wastewater treatment Download PDFInfo
- Publication number
- CN104628070B CN104628070B CN201510066051.9A CN201510066051A CN104628070B CN 104628070 B CN104628070 B CN 104628070B CN 201510066051 A CN201510066051 A CN 201510066051A CN 104628070 B CN104628070 B CN 104628070B
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- Prior art keywords
- pipe
- defoamer
- froth breaking
- wastewater treatment
- water distribution
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Classifications
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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
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/12—Prevention of foaming
Abstract
A kind of defoaming system and method suitable for wastewater treatment, including chemicals dosing plant, water distribution pipe and some defoaming devices, defoaming device interval is on water distribution pipe；Described chemicals dosing plant includes defoamer storage tank, clear water reserviors and tube mixer, and tube mixer is provided with the defoamer pipeline connected with defoamer storage tank, the clear water pipeline connected with clear water reserviors and the decoction output pipe connected with water distribution pipe；Described defoaming device is provided with froth breaking pipe, and the lower end of froth breaking pipe is connected on water distribution pipe, and the upper end of froth breaking pipe is equipped with shower nozzle.Three strands of water are sufficiently mixed by the present invention in tube mixer, form swiftly flowing defoamer mixed liquor, clear water in clear water reserviors using wastewater treatment after up to standard, the efficient utilization of waste water is realized while saving water resource, do not produce pollution to environment simultaneously, realize the continuous froth breaking to producing foam cell.
Description
Technical field
The present invention relates to a kind of sewage treatment equipment, more particularly to a kind of defoaming system and side suitable for wastewater treatment
Method.
Background technology
Activated sludge process is the most widely used bioremediation of sewage treatment plant, and generally existing surfactant foam is asked
Topic.Foam typically has viscosity, and it can make a large amount of solids be absorbed in buoyant foam layer, and produce upset, reduce filling for aeration tank
Oxygen efficiency；Activated Sludge System is sealed in pure oxygen, foam can cause fire into oxygen compressor；When flowing into sedimentation basin, in precipitation
Water outlet suspended solid can be increased under the baffle plate of pond causes effluent quality to deteriorate；Foam accumulation can also produce corruption, and on cold ground
Area can freeze, the normal operation of influence；It can cause serious frothing in anaerobic digestion containing frothy excess sludge, damage
Anaerobic sludge handling process.
In recent years, the control technology of bubble-related issues obtains large development in Activated Sludge Process, but these technologies
Mostly there is stronger specific aim, can substantially be divided into two kinds of physical-chemical process, bioanalysis.Wherein physico-chemical process includes sprinkling
Water, add chemical agent (defoamer, disinfectant, sodium hypochlorite etc.).Bioanalysis includes reduction cell mean residence time method, adjusted
Section pH value of sewage water, the air input rate of reduction aeration, aeration tank leading portion set up biological selector etc..Foam phase is eliminated with bioanalysis
Than physico-chemical process simple operations, cycle are shorter, do not interfere with the normal operation of Waste Water Treatment, can play vertical pole and see
The effect of shadow.
In existing physical chemistry debubbling method, it will usually disappeared in the uppermost spray water for producing foam structures
Bubble, froth breaking water is directly sprayed onto in pond by straight tube shower nozzle, and the spray area of each shower nozzle is smaller, it is therefore desirable to arrange substantial amounts of
Shower nozzle can be only achieved the purpose of froth breaking, waste a large amount of water purification, while increasing the load of water process, energy loss is larger；And such as
Fruit uses spraying head type shower nozzle, then can increase equipment cost, and easily blocks, and not only reduces defoaming effectiveness, also increases disappearing for equipment
Consumption.Therefore the removal of foam system in improving in wastewater treatment process is needed, the purpose of froth breaking is reached with less water, simultaneously
The not quality of shower nozzle is reduced, the operation and maintenance cost of equipment is saved, energy consumption is reduced.
The content of the invention
The technical problems to be solved by the invention are in view of the shortcomings of the prior art, there is provided one kind is reasonable in design, to economize on
Water, improves the defoaming system suitable for wastewater treatment of defoaming effectiveness.
Another technical problem to be solved by this invention be in view of the shortcomings of the prior art there is provided one kind it is reasonable in design, most
Limits are reduced investment outlay cost, and operating cost is cheap, foam are carried out in wastewater treatment process using above-mentioned defoaming system clear
The method removed.
The technical problems to be solved by the invention are realized by following technical scheme, and the present invention is a kind of is applicable
In the defoaming system of wastewater treatment, it is characterized in, including chemicals dosing plant, water distribution pipe and some defoaming devices, between defoaming device
Every on water distribution pipe；Described chemicals dosing plant is included on defoamer storage tank, clear water reserviors and tube mixer, tube mixer
The clear water pipeline connected provided with the defoamer pipeline connected with defoamer storage tank, with clear water reserviors and the decoction connected with water distribution pipe
Output pipe；Described defoaming device is provided with froth breaking pipe, and the lower end of froth breaking pipe is connected on water distribution pipe, the upper end dress of froth breaking pipe
There is shower nozzle.
The technical problems to be solved by the invention can also further be realized by following technical scheme, in above institute
The defoaming system suitable for wastewater treatment stated：The lower end of the froth breaking pipe is connected by snap joint with water distribution pipe, institute
The length for stating snap joint is 5-20cm.
The technical problems to be solved by the invention can also further be realized by following technical scheme, in above institute
The defoaming system suitable for wastewater treatment stated：From liquid inlet to liquid discharge on the defoamer pipeline and clear water pipeline
Mouth is equipped with measuring pump, valve, flowmeter.
The technical problems to be solved by the invention can also further be realized by following technical scheme, in above institute
The defoaming system suitable for wastewater treatment stated：Valve is equipped with the decoction output pipe, water distribution pipe, decoction is defeated
Pressure gauge is equipped with the water distribution pipe for going out pipeline both sides, the manometric scope is 0.1Mpa-3Mpa.
The technical problems to be solved by the invention can also further be realized by following technical scheme, in above institute
The defoaming system suitable for wastewater treatment stated：The spacing distance of two neighboring defoaming device is 3-8m, single defoaming device
Spray area be 15-50m2。
The technical problems to be solved by the invention can also further be realized by following technical scheme, in above institute
The defoaming system suitable for wastewater treatment stated：The froth breaking pipe is flexible pipe, and length is 3-10m.
The technical problems to be solved by the invention can also further be realized by following technical scheme, in above institute
The defoaming system suitable for wastewater treatment stated：The shower nozzle is spiral nozzle.
The technical problems to be solved by the invention can also further be realized by following technical scheme, in above institute
The defoaming system suitable for wastewater treatment stated：The laying mode of the water distribution pipe take surrounding around property, it is aerial set up,
The unilateral one or more in.
The technical problems to be solved by the invention can also further be realized by following technical scheme, in above institute
The defoaming system suitable for wastewater treatment stated：The froth breaking pipe uses fixed or movable type.
Another technical problem to be solved by this invention is realized by following technical scheme, and the present invention is a kind of
The method for carrying out foam removing in wastewater treatment process using above-mentioned defoaming system, it is characterised in that：
(1) defoamer in defoamer storage tank, the clear water in clear water reserviors are taken out by defoamer pipeline, clear water pipeline respectively
Deliver in tube mixer, be sufficiently mixed, be made defoamer mixed liquor, defoamer mixed liquor is by being located at defoamer pipeline and clear
Measuring pump in water lines forms high-velocity flow in tube mixer；(2) defoamer mixed liquor is under the impact of high-velocity flow,
Through decoction output pipe, into water distribution pipe；(3) snap joint of the defoamer mixed liquor through water distribution pipe diverse location, rapidly
Into in froth breaking pipe, projected by the shower nozzle on top, the removal of foam is carried out to production foam cell.
The present invention is sufficiently mixed by setting defoamer storage tank, tube mixer and clear water reserviors in tube mixer, is formed
The removal of foam is realized using clear water of the wastewater treatment after up to standard in swiftly flowing defoamer mixed liquor, clear water reserviors, water is being saved
The efficient utilization of waste water is realized while resource, while not producing pollution to environment；If water distribution pipe, defoamer mixed liquor is realized
Being evenly distributed in pond, it is ensured that defoaming effect good everywhere in pond, it is to avoid remaining；Defoamer is realized using tube mixer
With being sufficiently mixed for clear water, the utilization ratio of defoamer mixed liquor is effectively improved；If defoaming device, in water distribution pipe formation high pressure
Sealed environment, carries out froth breaking using snap joint, fixed or packaged type froth breaking pipe, substantially increases froth breaking area, reduce
System run all right after water consumption and froth breaking, realizes the continuous froth breaking to producing foam cell.Compared with prior art, its design is closed
Reason, cost of reducing investment outlay to greatest extent, operating cost is cheap, simple to operate, has a wide range of application, defoaming effect is good.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structure chart of defoaming device.
Embodiment
Referring to the drawings, the concrete technical scheme of the present invention is further described, in order to which those skilled in the art enters
One step the present invention is understood, without constituting the limitation to its right.
Embodiment 1, referring to Figures 1 and 2, a kind of defoaming system suitable for wastewater treatment, including chemicals dosing plant, water distributor
Road 1 and some defoaming devices, defoaming device interval is on water distribution pipe 1；Described chemicals dosing plant include defoamer storage tank 7,
Clear water reserviors 10 and tube mixer 3, tube mixer 3 are provided with the defoamer pipeline 4 and clear water connected with defoamer storage tank 7
Clear water pipeline 9 that pond 10 connects and the decoction output pipe 2 connected with water distribution pipe 1；Described defoaming device is provided with froth breaking pipe
13, the lower end of froth breaking pipe 13 is connected on water distribution pipe 1, and the upper end of froth breaking pipe 13 is equipped with shower nozzle 11.
Embodiment 2, the defoaming system suitable for wastewater treatment described in embodiment 1：The lower end of the froth breaking pipe 13 leads to
Cross snap joint 12 with water distribution pipe 1 to connect, the preferred 5-20cm of length of snap joint 12.
Embodiment 3, the defoaming system suitable for wastewater treatment described in embodiment 1：In the defoamer pipeline 4 and clearly
In water lines 9 measuring pump 6, valve 8, flowmeter 5 are equipped with from liquid inlet to liquid outlet.
Embodiment 4, the defoaming system suitable for wastewater treatment described in embodiment 1：The decoction output pipe 2,
It is equipped with water distribution pipe 1 on valve, the water distribution pipe 1 of the both sides of decoction output pipe 2 and is equipped with pressure gauge, it is described manometric
Scope is 0.1Mpa-3Mpa.
Embodiment 5, the defoaming system suitable for wastewater treatment described in embodiment 1：The shower nozzle is spiral nozzle.
Embodiment 6, the defoaming system suitable for wastewater treatment described in embodiment 1：The laying side of the water distribution pipe 1
Formula takes surrounding around property, aerial erection, the unilateral one or more in.
Embodiment 7, the defoaming system suitable for wastewater treatment described in embodiment 1：The froth breaking pipe 13 is using fixation
Formula or movable type.
Embodiment 8, the defoaming system suitable for wastewater treatment described in embodiment 1-7 any one：The shower nozzle 14
For spiral nozzle.
Embodiment 9, the defoaming system suitable for wastewater treatment described in embodiment 1-8 any one：It is described quickly to connect
First 12 length is 5cm.
Embodiment 10, the defoaming system suitable for wastewater treatment described in embodiment 1-8 any one：It is described quickly to connect
First 12 length is 10cm.
Embodiment 11, the defoaming system suitable for wastewater treatment described in embodiment 1-8 any one：It is described quickly to connect
First 12 length is 15cm.
Embodiment 12, the defoaming system suitable for wastewater treatment described in embodiment 1-8 any one：It is described quickly to connect
First 12 length is 20cm.
Embodiment 13, the defoaming system suitable for wastewater treatment described in embodiment 1-12 any one：It is two neighboring
The spacing distance of defoaming device is 6m, and the spray area of single defoaming device is 35m2.The present embodiment is applied to coking chemical waste water day
Treating capacity is medium, production foam cell dischargeable capacity >=3000m3Situation.
Embodiment 14, the defoaming system suitable for wastewater treatment described in embodiment 1-12 any one：It is two neighboring
The spacing distance of defoaming device is 7m, and the spray area of single defoaming device is 45m2.The present embodiment is applied to coking chemical waste water day
Treating capacity is medium, production foam cell dischargeable capacity >=3000m3Situation.
Embodiment 15, the defoaming system suitable for wastewater treatment described in embodiment 1-12 any one：It is two neighboring
The spacing distance of defoaming device is 8m, and the spray area of single defoaming device is 50m2.The present embodiment is applied to coking chemical waste water day
Treating capacity is medium, production foam cell dischargeable capacity >=3000m3Situation.
Embodiment 16, the defoaming system suitable for wastewater treatment described in embodiment 1-15 any one：The froth breaking
Pipe 13 is flexible pipe, and length is 8m.The present embodiment is medium suitable for coking chemical waste water day output, and production foam cell dischargeable capacity >=
3000m3Situation.
Embodiment 17, the defoaming system suitable for wastewater treatment described in embodiment 1-15 any one：The froth breaking
Pipe 13 is flexible pipe, and length is 9m.The present embodiment is medium suitable for coking chemical waste water day output, and production foam cell dischargeable capacity >=
3000m3Situation.
Embodiment 18, the defoaming system suitable for wastewater treatment described in embodiment 1-15 any one：The froth breaking
Pipe 13 is flexible pipe, and length is 10m.The present embodiment is medium suitable for coking chemical waste water day output, produces foam cell dischargeable capacity
≥3000m3Situation.
Embodiment 19, the defoaming system suitable for wastewater treatment described in embodiment 1-12 any one：It is two neighboring
The spacing distance of defoaming device is 4m, and the spray area of single defoaming device is 20m2.The present embodiment is applied to coking chemical waste water day
Treating capacity is medium, and production foam cell dischargeable capacity is 1500-3000m3Situation.
Embodiment 20, the defoaming system suitable for wastewater treatment described in embodiment 1-12 any one：It is two neighboring
The spacing distance of defoaming device is 5m, and the spray area of single defoaming device is 25m2.The present embodiment is applied to coking chemical waste water day
Treating capacity is medium, and production foam cell dischargeable capacity is 1500-3000m3Situation.
Embodiment 21, the defoaming system suitable for wastewater treatment described in embodiment 1-12 any one：It is two neighboring
The spacing distance of defoaming device is 6m, and the spray area of single defoaming device is 30m2.The present embodiment is applied to coking chemical waste water day
Treating capacity is medium, and production foam cell dischargeable capacity is 1500-3000m3Situation.
Embodiment 22, the defoaming system suitable for wastewater treatment described in embodiment 1-12 any one：It is two neighboring
The spacing distance of defoaming device is 5.5m, and the spray area of single defoaming device is 40m2.The present embodiment is applied to coking chemical waste water
Day output is medium, and production foam cell dischargeable capacity is 1500-3000m3Situation.
Embodiment 23, the defoaming system suitable for wastewater treatment described in embodiment 1：The froth breaking pipe 13 is flexibility
Pipe, length is 5m.The present embodiment is medium suitable for coking chemical waste water day output, and production foam cell dischargeable capacity is 1500-
3000m3Situation.
Embodiment 24, the defoaming system suitable for wastewater treatment described in embodiment 1：The froth breaking pipe 13 is flexibility
Pipe, length is 6m.The present embodiment is medium suitable for coking chemical waste water day output, and production foam cell dischargeable capacity is 1500-
3000m3Situation.
Embodiment 25, the defoaming system suitable for wastewater treatment described in embodiment 1：The froth breaking pipe 13 is flexibility
Pipe, length is 8m.The present embodiment is medium suitable for coking chemical waste water day output, and production foam cell dischargeable capacity is 1500-
3000m3Situation.
Embodiment 26, the defoaming system suitable for wastewater treatment described in embodiment 1-12 any one：It is two neighboring
The spacing distance of defoaming device is 3m, and the spray area of single defoaming device is 15m2.The present embodiment is applied to coking chemical waste water day
Treating capacity is medium, production foam cell dischargeable capacity≤1500m3Situation.
Embodiment 27, the defoaming system suitable for wastewater treatment described in embodiment 1-12 any one：It is two neighboring
The spacing distance of defoaming device is 3.5m, and the spray area of single defoaming device is 25m2.The present embodiment is applied to coking chemical waste water
Day output is medium, production foam cell dischargeable capacity≤1500m3Situation.
Embodiment 28, the defoaming system suitable for wastewater treatment described in embodiment 1-12 any one：It is two neighboring
The spacing distance of defoaming device is 4m, and the spray area of single defoaming device is 30m2The present embodiment is applied at coking chemical waste water day
Reason amount is medium, production foam cell dischargeable capacity≤1500m3Situation.
Embodiment 29, the defoaming system suitable for wastewater treatment described in embodiment 1：The froth breaking pipe 13 is flexibility
Pipe, length is 3m.The present embodiment is medium suitable for coking chemical waste water day output, production foam cell dischargeable capacity≤1500m3Feelings
Shape.
Embodiment 30, the defoaming system suitable for wastewater treatment described in embodiment 1：The froth breaking pipe 13 is flexibility
Pipe, length is 4m.The present embodiment is medium suitable for coking chemical waste water day output, production foam cell dischargeable capacity≤1500m3Feelings
Shape.
Embodiment 31, the defoaming system suitable for wastewater treatment described in embodiment 1：The froth breaking pipe 13 is flexibility
Pipe, length is 5m.The present embodiment is medium suitable for coking chemical waste water day output, production foam cell dischargeable capacity≤1500m3Feelings
Shape.
Embodiment 32, one kind is steeped using defoaming system described in embodiment 1-31 any one in wastewater treatment process
The method that foam is removed,
(1) clear water in the defoamer in defoamer storage tank 7, clear water reserviors 10 is passed through into defoamer pipeline 4, clear water pipe respectively
Road 9 is pumped to tube mixer 3, is sufficiently mixed, and defoamer mixed liquor is made, defoamer mixed liquor is by being located at defoamer pipe
Measuring pump on road 4 and clear water pipeline 9 forms high-velocity flow in tube mixer 3；(2) defoamer mixed liquor is in high-velocity flow
Impact under, through decoction output pipe 2, into water distribution pipe；(3) defoamer mixed liquor is through the fast of the diverse location of water distribution pipe 1
Quick coupling 12, is quickly entered in froth breaking pipe 13, is projected by the shower nozzle 11 on top, and the removal of foam is carried out to production foam cell.
The present invention is applicable not only to the elimination of coking chemical waste water foam, be equally applicable to surface active agent wastewater, electroplating wastewater,
The industries such as pharmaceutical wastewater, agricultural chemicals waste water, textile waste, leather waste water produce the elimination of foam cell foam, are a kind of efficient stables
Method.
Claims (6)
1. a kind of method that foam is removed in wastewater treatment process, it is characterised in that：
The defoaming system that the method that the foam is removed is used includes chemicals dosing plant, water distribution pipe and some defoaming devices, froth breaking dress
Interval is put on water distribution pipe；Described chemicals dosing plant includes defoamer storage tank, clear water reserviors and tube mixer, tubular-mix
Device connects provided with the defoamer pipeline connected with defoamer storage tank, the clear water pipeline connected with clear water reserviors and with water distribution pipe
Decoction output pipe；Described defoaming device is provided with froth breaking pipe, and the lower end of froth breaking pipe is connected on water distribution pipe, froth breaking pipe it is upper
End is equipped with shower nozzle；
The lower end of the froth breaking pipe is connected by snap joint with water distribution pipe, and the length of the snap joint is 5-20cm；
On the defoamer pipeline and clear water pipeline measuring pump, valve, flowmeter are equipped with from liquid inlet to liquid outlet；Described
It is equipped with decoction output pipe, water distribution pipe on valve, the water distribution pipe of decoction output pipe both sides and is equipped with pressure gauge, institute
Manometric scope is stated for 0.1Mpa-3Mpa；
The step of method that the foam is removed, is as follows：
（1）By the defoamer in defoamer storage tank, the clear water in clear water reserviors respectively by defoamer pipeline, clear water pipeline pump to
In tube mixer, it is sufficiently mixed, defoamer mixed liquor is made, defoamer mixed liquor is by being located at defoamer pipeline and clear water pipe
Measuring pump on road forms high-velocity flow in tube mixer；（2）Defoamer mixed liquor is under the impact of high-velocity flow, warp
Decoction output pipe, into water distribution pipe；（3）Snap joint of the defoamer mixed liquor through water distribution pipe diverse location, enters rapidly
Enter in froth breaking pipe, projected by the shower nozzle on top, the removal of foam is carried out to production foam cell.
2. the method that foam is removed in wastewater treatment process according to claim 1, it is characterised in that：Two neighboring froth breaking
The spacing distance of device is 3-8m, and the spray area of single defoaming device is 15-50m2。
3. the method that foam is removed in wastewater treatment process according to claim 1, it is characterised in that：The froth breaking pipe is
Flexible pipe, length is 3-10m.
4. the method that foam is removed in wastewater treatment process according to claim 1, it is characterised in that：The shower nozzle is spiral shell
Rotating nozzle.
5. the method that foam is removed in wastewater treatment process according to claim 1, it is characterised in that：The water distribution pipe
Laying mode take surrounding around property, it is aerial set up, the unilateral one or more in.
6. the method that foam is removed in wastewater treatment process according to claim 1, it is characterised in that：The froth breaking pipe is adopted
With fixed or movable type.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510066051.9A CN104628070B (en) | 2015-02-09 | 2015-02-09 | A kind of defoaming system and method suitable for wastewater treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510066051.9A CN104628070B (en) | 2015-02-09 | 2015-02-09 | A kind of defoaming system and method suitable for wastewater treatment |
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| CN104628070B true CN104628070B (en) | 2017-07-25 |
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| CN107975349B (en) * | 2016-10-21 | 2023-09-29 | 中国石油化工股份有限公司 | Oil field jet sand-washing blocking-removing operation waste liquid treatment device and method |
| CN116514196A (en) * | 2023-05-31 | 2023-08-01 | 昆明理工大学 | Soil groundwater treatment pipe chute and installation method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG165349A1 (en) * | 2005-09-07 | 2010-10-28 | Aqwise Wise Water Technologies Ltd | Method and apparatus for wastewater treatment |
| CN2917811Y (en) * | 2006-06-09 | 2007-07-04 | 韩洪德 | Rotary spray enlargement type spray cap |
| CN201678479U (en) * | 2010-01-22 | 2010-12-22 | 重庆钢铁(集团)有限责任公司 | Coking plant waste water treatment defoaming system |
| CN202366707U (en) * | 2011-12-28 | 2012-08-08 | 重庆渝能滤油机制造有限公司 | Inner circulating defoaming reaction kettle |
| CN202492407U (en) * | 2012-02-23 | 2012-10-17 | 上海申兰环保有限公司 | Foam removing device |
| KR101327156B1 (en) * | 2012-06-29 | 2013-11-06 | 서성균 | Bubble removing apparatus |
| CN202953864U (en) * | 2012-11-27 | 2013-05-29 | 南京钢铁股份有限公司 | Coking aerobic pool antifoaming device |
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