CN104724823A - Sewage treatment device and system - Google Patents
Sewage treatment device and system Download PDFInfo
- Publication number
- CN104724823A CN104724823A CN201310714475.2A CN201310714475A CN104724823A CN 104724823 A CN104724823 A CN 104724823A CN 201310714475 A CN201310714475 A CN 201310714475A CN 104724823 A CN104724823 A CN 104724823A
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- Prior art keywords
- ultrasonic
- sewage
- probe
- generator
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- 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
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a sewage treatment device. The sewage treatment device comprises an ultrasonic generator and an ultrasonic probe, the ultrasonic generator is connected to the ultrasonic probe by a connection member, the ultrasonic generator is used for transmitting ultrasonic wave to the ultrasonic probe, and the ultrasonic probe is arranged in sewage and is used for transmitting ultrasonic wave transmitted by the ultrasonic generator to the sewage so that the sewage is treated. In use, the probe is reasonably arranged in a reactor and adjusts fixed ultrasonic frequency, rated ultrasonic frequency and intermittent ultrasonic time in an appropriate scope. After starting, the probe can guarantee product water quality satisfying standards. The sewage treatment device reduces residual sludge amount.
Description
Technical field
The present invention relates to sewage treatment area, particularly relate to a kind of waste disposal plant and Sewage treatment systems.
Background technology
The municipal sewage plant of China more than 90% adopts biological treatment, and biological treatment has the features such as simple to operate, treatment effect good, water treatment low cost, and weak point to produce a large amount of excess sludge.
Existing specific resistance to filtration method has landfill, burning etc., and these methods need to drop into a large amount of funds and place, also can bring secondary pollution, for environment, ecology and socio-economic development cause larger pressure.
Therefore, the mud generation how reduced in sewage treatment process is the current technical issues that need to address.
Summary of the invention
The object of the invention is to propose a kind of simple and easy to do sludge reduction control method, to solve the excessive and reluctant problem of excess sludge production in traditional water technology and mud discharging Controlling System.
According to the device of probe type ultrasonic mud decrement of the present invention, be that the ultrasonic probe connecting ultrasonic generator is built in activated sludge process Sewage treatment systems.In use, probe is carried out reasonable Arrangement in reactor, and ultrasonic frequency, specified sound density and the adjustment of interval ultrasonic time will be fixed in OK range, can ensure after startup under the prerequisite that effluent quality is up to standard, the amount of the excess sludge produced reduces.
summary of the invention
The embodiment of the present invention provides a kind of waste disposal plant and Sewage treatment systems, can reduce the mud generation in sewage treatment process.
The embodiment of the present invention adopts following technical scheme:
A kind of waste disposal plant, comprising: ultrasonic generator and ultrasonic probe, described ultrasonic generator connects described ultrasonic probe by interconnecting piece;
Described ultrasonic generator, for sending ultrasonic wave to described ultrasonic probe;
Described ultrasonic probe is placed in sewage, for the ultrasonic wave sent to ultrasonic generator described in dirty water transmission, processes sewage.
Optionally, described interconnecting piece comprises: ultrasonic transducer and horn; Described horn is scalable.
Optionally, the ultrasonic density that described ultrasonic generator sends can adjust.
Optionally, the ultrasonic density that described ultrasound probe sends is 10 ~ 200W/m3.
Optionally, hyperacoustic overburden depth scope that described ultrasound probe sends be the depth of water 20% ~ 80% between.
Optionally, the ultrasonic frequency that described ultrasound probe sends is 20 ~ 60kHz.
Optionally, the specified sound density that described ultrasound probe sends is 0.1 ~ 0.5W/L.
Optionally, the interval ultrasonic time of described ultrasound probe is 0.5 ~ 2h.
A kind of Sewage treatment systems, comprises above-mentioned waste disposal plant.
Optionally, also comprise: aeration devices and aeration tube, described aeration devices is connected with described aeration tube;
Described aeration tube is placed in sewage, for sewage aeration.
Based on such scheme, the waste disposal plant of the embodiment of the present invention and Sewage treatment systems are in use, probe is carried out reasonable Arrangement in reactor, and ultrasonic frequency, specified sound density and the adjustment of interval ultrasonic time will be fixed in OK range, can ensure at effluent quality up to standard after startup, the surplus sludge volume produced reduces.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of waste disposal plant that Fig. 1 provides for the embodiment of the present invention 1;
The structural representation of a kind of waste disposal plant that Fig. 2 provides for the embodiment of the present invention 2;
A kind of application scenarios schematic diagram that Fig. 3 provides for the embodiment of the present invention 3;
The one process contrast schematic diagram that Fig. 4 provides for the embodiment of the present invention 3.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of waste disposal plant, comprising: ultrasonic generator 1 and ultrasonic probe 2, and ultrasonic generator 1 connects ultrasonic probe 2 by interconnecting piece;
Ultrasonic generator 1, for sending ultrasonic wave to ultrasonic probe 2;
Ultrasonic probe 2 is placed in sewage, for the ultrasonic wave sent to ultrasonic generator described in dirty water transmission, processes sewage.
Optionally, as shown in the figure, this interconnecting piece comprises: ultrasonic transducer 4 and horn 5; Horn 5 is scalable.
Optionally, the ultrasonic density that ultrasonic generator 1 sends can adjust.
Optionally, the ultrasonic density that ultrasound probe 2 sends is 10 ~ 200W/m3.
Optionally, hyperacoustic overburden depth scope that ultrasound probe 2 sends be the depth of water 20% ~ 80% between.
Optionally, the ultrasonic frequency that ultrasound probe 2 sends is 20 ~ 60kHz.
Optionally, the specified sound density that ultrasound probe 2 sends is 0.1 ~ 0.5W/L.
Optionally, the interval ultrasonic time of ultrasound probe 2 is 0.5 ~ 2h.
The present embodiment using ultrasound ripple is disposed of sewage, ultrasonic wave is utilized to break up a considerable amount of microorganism wall in sludge material structure, tenuigenin and enzyme are released, intracellular organic matter supplies microorganism growth as self-produced substrate, namely utilize the principle of recessive growth, thus improve the degradation efficiency of biosystem, reduce the sludge yield of system, so-called recessive growth refers to the secondary matrix growth that bacterium utilization decline bacterium is formed, and whole process contains molten born of the same parents and growth; By the tenuigenin carbon source be as a supplement released, biosystem is entered from anaerobism section, improve Nitrogen/Phosphorus Removal, and provide more carbon sources for aerobic section, nitrification and denitrification is carried out simultaneously, improve the ability that whole biosystem removes chemical oxygen demand (COD) (Chemical Oxygen Demand is called for short COD); Be easy degradation material by the Substance Transformation of difficult degradation in common process, improve biological degradation rate, reduce surplus sludge volume.
Using ultrasound ripple carries out sewage disposal, and destroy the cytolemma be not easily biodegradable, make intracellular organic matter stripping, this part cytolytic organism can be recycled by microbial metabolism, and a part with CO2 release, thus makes total sludge quantity decline.Ultrasonic Radiation is improved sludge activity, promotes sludge digestion, promotes sludge dewatering, promotes the effect that cell cracks.
The device of the present embodiment, in use, probe is carried out reasonable Arrangement in reactor, and ultrasonic frequency, specified sound density and the adjustment of interval ultrasonic time will be fixed in OK range, can ensure at effluent quality up to standard after startup, the surplus sludge volume produced reduces.
Embodiment 2
The present embodiment provides a kind of Sewage treatment systems, comprises the waste disposal plant that above-described embodiment 1 provides.
Optionally, also comprise as shown in Figure 2: aeration devices 5 and aeration tube 6, aeration devices 5 is connected with described aeration tube 6; Aeration tube 6 is placed in sewage, for sewage aeration.
The system of the present embodiment, in use, probe is carried out reasonable Arrangement in reactor, and ultrasonic frequency, specified sound density and the adjustment of interval ultrasonic time will be fixed in OK range, can ensure at effluent quality up to standard after startup, the surplus sludge volume produced reduces.
Embodiment 3
A kind of application scenarios schematic diagram that Fig. 3 provides for the present embodiment, as shown in Figure 3, sewage enters activated sludge process waste disposal plant from water-in 7, and the sewage after process is discharged from water outlet 8.
The Sewage treatment systems of the application embodiment of the present invention comprises the following steps when carrying out sewage disposal:
1) according to the actual scale of sewage reactor 9, the rational deployment of ultrasonic probe 2 is carried out; Meanwhile, according to the actual grade of sewage reactor 9, horn 4 is stretched, ensure that ultrasonic wave evenly spreads in radiation scope as far as possible.
2) the hyperacoustic parameter regulating ultrasonic wave 6 to send, will fix ultrasonic frequency, specified sound density and the adjustment of interval ultrasonic time in OK range.
3) according to actual operating mode, as effluent quality change, sludge characteristics etc., carry out the adjustment of reactor parameter, adjust ultrasonic time in good time.
As shown in Figure 4, lift a specific embodiment below and illustrate technical scheme of the present invention in detail.
Experimental water: adopt manual simulation waste water (with glucose and Zulkovsky starch be carbon source, ammonium chloride is nitrogenous source, potassium primary phosphate is phosphorus source, adjusts pH with sodium bicarbonate, add appropriate trace element, its average quality concentration: COD is 742.4mg/L, NH4+-N is 47.66mg/L, TN is 57.82mg/L, TP is 6.20mg/L, maintains pH between 7.0-8.0).
Treatment process: adopt two groups of useful volumes to be 2.7L cylindrical synthetic glass sbr reactor device.Operational cycle is 8h, 5 stages (water inlet phase: 5min, stirring phase: 3h, aeration phase: 4h, precipitation phase: 50min, drainage period: 5min).
Experimental technique: after stable after domestication, select one of them sewage reactor, adopt the water inlet of domestication stage, spoil disposal, cycle of operation mode as a control group constant, another group is then with outside the identical operational conditions of contrast, after water inlet 0.5h, directly on reactor, carry out ultrasound procedure, specific experiment device is shown in Fig. 4.Ultrasound condition is: fixing ultrasonic frequency 40kHz, specified sound density 0.1w/mL, actual sound density 0.035w/mL, changes ultrasonic time and is respectively 0.5h, 1h and 2h.
Experimental result: anoxic/aerobic sbr reactor device carries out ultrasound contrast experiment and finds, anoxic phases carries out the reactor of ultrasonic radiation, and in its system, sludge concentration level will be significantly less than control group, the mud decrement successful of ultrasonic-anoxic/aerobic sbr reactor device.Along with the increase of radiated time, sludge concentration reduction rate is more and more higher.In three different radiated time stages, the mud decrement rate of ultrasonic group reaches 22%, 31%, 40% respectively.Under being determined at different steps, the indexs such as water outlet COD, TN, TP, NH4+-N of two reactors find, ultrasonic group of first stage is compared with control group, the indexs such as water outlet COD, TP are suitable with values of control groups, and TN content is less than control group, illustrate that ultrasonic-anoxic/aerobic sbr reactor device can improve the denitrification ability of reactor.In second and third stage, the denitrogenation advantage of ultrasonic group still obviously.
The object of the invention is to propose a kind of simple and easy to do sludge reduction control method, to solve the excessive and reluctant problem of excess sludge production in traditional water technology and mud discharging Controlling System.
The ultrasound probe connecting ultrasonic generator is built in sewage reactor by the present embodiment, ultrasound probe is carried out reasonable Arrangement in reactor, and ultrasonic frequency, specified sound density and the adjustment of interval ultrasonic time will be fixed in OK range, can ensure after startup under the prerequisite that effluent quality is up to standard, the amount of the excess sludge produced reduces.
The remarkable advantage of the embodiment of the present invention is: ultrasonic probe is settled easy, removable, detachably; While realizing mud decrement, can ensure that effluent quality is up to standard, improve the denitrification ability of reactor simultaneously to a certain extent.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a waste disposal plant, is characterized in that, comprising: ultrasonic generator and ultrasonic probe, and described ultrasonic generator connects described ultrasonic probe by interconnecting piece;
Described ultrasonic generator, for sending ultrasonic wave to described ultrasonic probe;
Described ultrasonic probe is placed in sewage, for the ultrasonic wave sent to ultrasonic generator described in dirty water transmission, processes sewage.
2. device according to claim 1, is characterized in that, described interconnecting piece comprises: ultrasonic transducer and horn; Described horn is scalable.
3. device according to claim 1, is characterized in that, the ultrasonic density that described ultrasonic generator sends can adjust.
4. device according to claim 1, is characterized in that,
The ultrasonic density that described ultrasound probe sends is 10 ~ 200W/m3.
5. device according to claim 1, is characterized in that, hyperacoustic overburden depth scope that described ultrasound probe sends be the depth of water 20% ~ 80% between.
6. device according to claim 1, is characterized in that, the ultrasonic frequency that described ultrasound probe sends is 20 ~ 60kHz.
7. device according to claim 1, is characterized in that, the specified sound density that described ultrasound probe sends is 0.1 ~ 0.5W/L.
8. device according to claim 1, is characterized in that, the interval ultrasonic time of described ultrasound probe is 0.5 ~ 2h.
9. a Sewage treatment systems, is characterized in that, comprises the waste disposal plant according to any one of claim 1 to 8.
10. system according to claim 9, is characterized in that, also comprises: aeration devices and aeration tube, and described aeration devices is connected with described aeration tube;
Described aeration tube is placed in sewage, for sewage aeration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310714475.2A CN104724823A (en) | 2013-12-20 | 2013-12-20 | Sewage treatment device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310714475.2A CN104724823A (en) | 2013-12-20 | 2013-12-20 | Sewage treatment device and system |
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| Publication Number | Publication Date |
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| CN104724823A true CN104724823A (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310714475.2A Pending CN104724823A (en) | 2013-12-20 | 2013-12-20 | Sewage treatment device and system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060645A (en) * | 2015-08-14 | 2015-11-18 | 无锡乐华自动化科技有限公司 | Sewage treatment system |
| CN105084664A (en) * | 2015-08-14 | 2015-11-25 | 无锡乐华自动化科技有限公司 | Sewage treatment method adopting industrial sewage treatment system |
| CN105084663A (en) * | 2015-08-14 | 2015-11-25 | 无锡乐华自动化科技有限公司 | Industrial sewage treatment system |
| CN105130106A (en) * | 2015-08-14 | 2015-12-09 | 无锡乐华自动化科技有限公司 | Processing unit suitable for scattered type rural sewage |
| CN105174609A (en) * | 2015-08-14 | 2015-12-23 | 无锡乐华自动化科技有限公司 | Sewage processing method |
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| JP2001047098A (en) * | 1999-08-11 | 2001-02-20 | Hitachi Kiden Kogyo Ltd | Treatment of sewage and sludge |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060645A (en) * | 2015-08-14 | 2015-11-18 | 无锡乐华自动化科技有限公司 | Sewage treatment system |
| CN105084664A (en) * | 2015-08-14 | 2015-11-25 | 无锡乐华自动化科技有限公司 | Sewage treatment method adopting industrial sewage treatment system |
| CN105084663A (en) * | 2015-08-14 | 2015-11-25 | 无锡乐华自动化科技有限公司 | Industrial sewage treatment system |
| CN105130106A (en) * | 2015-08-14 | 2015-12-09 | 无锡乐华自动化科技有限公司 | Processing unit suitable for scattered type rural sewage |
| CN105174609A (en) * | 2015-08-14 | 2015-12-23 | 无锡乐华自动化科技有限公司 | Sewage processing method |
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Application publication date: 20150624 |