CN202881068U - Ultrasonic residual sludge dehydrating device - Google Patents
Ultrasonic residual sludge dehydrating device Download PDFInfo
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- CN202881068U CN202881068U CN 201220501745 CN201220501745U CN202881068U CN 202881068 U CN202881068 U CN 202881068U CN 201220501745 CN201220501745 CN 201220501745 CN 201220501745 U CN201220501745 U CN 201220501745U CN 202881068 U CN202881068 U CN 202881068U
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- excess sludge
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- sludge
- dewatering device
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Abstract
The utility model relates to an ultrasonic residual sludge dehydrating device, and the ultrasonic residual sludge dehydrating device comprises an ultrasonic residual sludge dehydrating reactor, a residual sludge water supply pipe, a water supply pipe valve, a filtrate outlet pipe, a concentrated sludge outlet pipe and an ultrasound generator, wherein a filtrate outlet pipe valve is arranged at a port of the filtrate outlet pipe, a concentrated sludge outlet pipe valve is arranged at the port of the concentrated sludge outlet pipe, and a pipe for adding a flocculant is mounted on the residual sludge water supply pipe. The ultrasonic residual sludge dehydrating device provided by the utility model has the characteristics that the technology is simple, the operation is convenient, the dehydration rate is high and the subsequent treatment is easy.
Description
Technical field
The utility model belongs to the processed technical field, is specifically related to dehydrating residual active sludge decrement pretreatment process.
Background technology
Along with the increase of population with to the pay attention to day by day of environmental protection, sewage work increases sharply, and the surplus sludge volume of supervening also grows with each passing day.This class excess sludge mainly is the hydrophilic zoogloea that some electronegative biomones form.Zoogleic particle diameter is less.Excess sludge belongs to the organic sludge of a kind of wetting ability, fine particle size.The water ratio of these active sludge is up to 99%, and relative density is close to 1.They are concentrated through tradition, water content is still very high after the processed, the subsequent disposal outstanding problem, and they distribute foul smell, have a strong impact on environmental health, and they must fully dewater to realize decrement, and are convenient to subsequent disposal.The excess sludge dehydration is the important step that excess sludge is processed.Yet the compressible performance of this class mud is poor, and dewatering is poor.Use the mechanical processing methods such as conventional intermediate processing, centrifugal method, its dehydrating effect is very poor, and dewatering time is long, and dehydration rate is low, and power consumption is large.To its carry out traditional landfill, need to take a large amount of soils, generation secondary pollution and expensive pre-treatment etc. more and more restricted because of it to burn the sludge disposal technologies such as utilizations.Therefore, these excess sludges for the treatment of and disposal are a great problems.Hence one can see that, seeks and to study cost-effective practical Disposal Technology of Residual Sludge very necessary.
The utility model content
Technical problem to be solved in the utility model is to overcome the shortcoming of above-mentioned dehydrating residual active sludge treatment process, and a kind of excess sludge supersonic dewatering device that a kind of technology is simple, easy to operate, be easy to subsequent disposal is provided.
The technical scheme that the utility model is taked is:
A kind of excess sludge supersonic dewatering device, comprise excess sludge dehydration ultrasonic reactor, excess sludge feedwater piping, feedwater piping valve, filtrate outlet pipeline, thickened sludge outlet conduit, ultrasonic generator, wherein said filtrate outlet pipeline port is provided with filtrate outlet pipeline valve, described thickened sludge outlet conduit port is provided with thickened sludge outlet conduit valve, is provided with the pipeline that adds flocculation agent at described excess sludge feedwater piping.
Further, described ultrasonic generator is comprised of ultrasonic wave tuner module and ultrasonic power amplifier, and has some groups, ultrasound probe of every group of excitation.
Further, described ultrasound probe is comprised of ultrasonic transducer and ultrasonic amplitude transformer, and the corresponding ultrasonic generator of each ultrasound probe.
Further, described ultrasonic reactor can be comprised of a plurality of ultrasonic sub-reactors, and the corresponding ultrasound probe of each ultrasonic sub-reactor.
Further, described ultrasonic sub-reactor includes the input structure of excess sludge, and the input structure of excess sludge can have numerous embodiments, and is multiple such as direct input mode structure, rotation input mode structure, reverse input mode structure etc.
Further, the port of described excess sludge feedwater piping is provided with metal screen, and described metal screen is comprised of metallic framework and braid fabric.
Further, the port of the pipeline of described interpolation flocculation agent is provided with the flocculation agent pipeline valve.
Further, the another port of described excess sludge feedwater piping is provided with residual sludge pump.
Further, described residual sludge pump connects one and stops net, is used for stopping that large foreign material enter the excess sludge treatment system.
The beneficial effects of the utility model:
The utility model is that using ultrasonic technology is strengthened the excess sludge dehydration, and excess sludge is carried out pre-treatment, can make the excess sludge dehydration more than 12%, and improves its dewatering and make it be easy to further dewater with other method.Its core is ultrasound filtration net dehydration technique.At first, ultrasonic wave has changed the zoogleic physico-chemical property of excess sludge, destroys the zoogloea structure on the one hand, and its internal water is partly discharged, and on the one hand their wetting ability is weakened, and they are condensed.Secondly, ultrasonic wave makes filter screen produce the forced vibration of high frequency, has reduced the adhesive ability of mud granule on filter screen, thereby reduces the blocked chance of filter screen, has strengthened the water passing capacity of filter screen.
Description of drawings
Fig. 1 is the structural representation of the utility model excess sludge supersonic dewatering device;
Fig. 2 is that the ultrasonic probe of the utility model excess sludge supersonic dewatering device is arranged synoptic diagram.
Fig. 3 is the ultrasonic sub-reactor excess sludge input structure synoptic diagram of the utility model excess sludge supersonic dewatering device.Wherein, Fig. 3 a is the structural representation of direct input mode, and Fig. 3 b is the structural representation of rotation input mode, and Fig. 3 c is the structural representation of reverse input mode.
Among the figure, 1 excess sludge dehydration ultrasonic reactor, 2 excess sludge feedwater pipings, 3 feedwater piping valves, 4 filtrate outlet pipelines, 5 filtrate outlet pipeline valves, 6 thickened sludge outlet conduits, 7 thickened sludge outlet conduit valves, 8 ultrasonic generators, 9 ultrasound probes, 10 metal screens, 11 add the pipeline of flocculation agent, the valve of 12 flocculation agent pipelines, 13 residual sludge pump, 14 stop net, 15 ultrasonic sub-reactor isolated tubes, 16 excess sludge input structures.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
In Fig. 1-2, a kind of excess sludge supersonic dewatering device, comprise excess sludge dehydration ultrasonic reactor 1, excess sludge feedwater piping 2, feedwater piping valve 3, filtrate outlet pipeline 4, thickened sludge outlet conduit 6, ultrasonic generator 8, wherein said filtrate outlet pipeline 4 ports are provided with filtrate outlet pipeline valve 5, described thickened sludge outlet conduit 6 ports are provided with thickened sludge outlet conduit valve 7, be provided with the pipeline 11 that adds flocculation agent at described excess sludge feedwater piping 2, described ultrasonic generator 8 is comprised of ultrasonic wave tuner module and ultrasonic power amplifier, and there are some groups, ultrasound probe 9 of every group of excitation, described ultrasound probe 8 is comprised of ultrasonic transducer and ultrasonic amplitude transformer, and corresponding ultrasonic generator of each ultrasound probe, the port of described excess sludge feedwater piping 2 is provided with metal screen 10, described metal screen 10 is comprised of metallic framework and braid fabric, the outlet of described excess sludge feedwater piping 2 connects the excess sludge input structure 16 of ultrasonic sub-reactor 15, the port of the pipeline 11 of described interpolation flocculation agent is provided with flocculation agent pipeline valve 12, the another port of described excess sludge feedwater piping is provided with residual sludge pump 13, described residual sludge pump connects one and stops net 14, is used for stopping that large foreign material enter the excess sludge treatment system.
Principle of work:
By the characteristic of ultrasonication excess sludge as can be known, all must appropriateness for hyperacoustic frequency, hyperacoustic power density, hyperacoustic treatment time etc.Excess processes can cause filtrate muddy on the contrary, namely causes the avidity of mud and water to be enhanced, and the filtrate that dehydration is obtained is contaminated.Suitable ultrasonication environment is by reasonable design excess sludge dehydration ultrasonic reactor, reasonably realize in distribute ultrasonic field and suitable excess sludge flow and flow field.Reactor volume is about 500 to 1500 L, diameter and highly about equally; Metal screen is divided into up and down two portions with reactor, and its volumetric ratio is about 1:9 to 1:3; Ultrasonic operating frequency is 15-28 kHz, and driving electric power is that 0 ~ 250 W is adjustable, and ultrasonic sound power density is no more than, and 0.100 W/mL generally exists, between 0.100 W/mL and 0.010 W/mL; According to the demand of lignin-sludge amount, can adopt a plurality of ultrasonic probe associated working; Such as with 5.5 probes are plum blossom-shaped and distribute; Input channel has 5 branches, and excess sludge is delivered directly near the probe; Pipe outlet can adopt several embodiment, comprises direct input mode, rotation input mode and reverse input mode.Fig. 2 has shown the example of direct input mode.Every kind of embodiment has characteristics.Fig. 3 (a) is the signal of direct input mode, excess sludge be directly inputted to ultrasound probe in the ultrasonic sub-reactor near, simple in structure; Fig. 3 (b) is the rotation input mode, and excess sludge tangentially enters ultrasonic sub-reactor, and the sludge creation of input is turned clockwise, and is conducive to the centrifugal flocculation of mud; Fig. 3 (c) is reverse input mode, makes the mud of input enter in opposite directions ultrasonic sub-reactor, mutually collides producing eddy current, is conducive to the collision flocculation.Control roughly the treatment time with flow control, the supersonic dewatering that makes excess sludge be subject to 1-8 minute is processed.For improving the dehydrating effect to active sludge, can before active sludge being done the supersonic dewatering processing, add polymeric flocculant; But the interpolation of flocculation agent must be an amount of, and too much flocculation agent is unfavorable for sludge dewatering.
Claims (9)
1. excess sludge supersonic dewatering device, comprise excess sludge dehydration ultrasonic reactor, excess sludge feedwater piping, feedwater piping valve, filtrate outlet pipeline, thickened sludge outlet conduit, ultrasonic generator, it is characterized in that, described filtrate outlet pipeline port is provided with filtrate outlet pipeline valve, described thickened sludge outlet conduit port is provided with thickened sludge outlet conduit valve, is provided with the pipeline that adds flocculation agent at described excess sludge feedwater piping.
2. a kind of excess sludge supersonic dewatering device according to claim 1 is characterized in that described ultrasonic generator is comprised of ultrasonic wave tuner module and ultrasonic power amplifier, and has some groups, ultrasound probe of every group of excitation.
3. a kind of excess sludge supersonic dewatering device according to claim 2 is characterized in that described ultrasound probe is comprised of ultrasonic transducer and ultrasonic amplitude transformer, and the corresponding ultrasonic generator of each ultrasound probe.
4. a kind of excess sludge supersonic dewatering device according to claim 1 is characterized in that, described ultrasonic reactor is become by some sub-set of reactors, the corresponding ultrasonic probe of each ultrasonic sub-reactor.
5. a kind of excess sludge supersonic dewatering device according to claim 4 is characterized in that, the input mode of excess sludge is the modes such as directly input, rotation input or reverse input in the described ultrasonic sub-reactor.
6. a kind of excess sludge supersonic dewatering device according to claim 1 is characterized in that the port of described excess sludge feedwater piping is provided with metal screen, and described metal screen is comprised of metallic framework and braid fabric.
7. a kind of excess sludge supersonic dewatering device according to claim 1 is characterized in that the port of the pipeline of described interpolation flocculation agent is provided with the flocculation agent pipeline valve.
8. a kind of excess sludge supersonic dewatering device according to claim 1 is characterized in that the another port of described excess sludge feedwater piping is provided with residual sludge pump.
9. a kind of excess sludge supersonic dewatering device according to claim 8 is characterized in that, described residual sludge pump connects one and stops net, is used for stopping that large foreign material enter the excess sludge treatment system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220501745 CN202881068U (en) | 2012-09-28 | 2012-09-28 | Ultrasonic residual sludge dehydrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220501745 CN202881068U (en) | 2012-09-28 | 2012-09-28 | Ultrasonic residual sludge dehydrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202881068U true CN202881068U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220501745 Expired - Fee Related CN202881068U (en) | 2012-09-28 | 2012-09-28 | Ultrasonic residual sludge dehydrating device |
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| CN (1) | CN202881068U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103693835A (en) * | 2012-09-28 | 2014-04-02 | 北京中自控环保科技有限公司 | Residual sludge ultrasonic-dehydration apparatus |
| CN106517708A (en) * | 2016-12-15 | 2017-03-22 | 宁波宝力农环境技术开发有限公司 | Ultrasonic reinforced acid dissolution electroplating sludge device |
| CN110357394A (en) * | 2019-07-24 | 2019-10-22 | 华北水利水电大学 | A kind of city sludge ultrasonic wave molecular sieve dehydration device |
-
2012
- 2012-09-28 CN CN 201220501745 patent/CN202881068U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103693835A (en) * | 2012-09-28 | 2014-04-02 | 北京中自控环保科技有限公司 | Residual sludge ultrasonic-dehydration apparatus |
| CN106517708A (en) * | 2016-12-15 | 2017-03-22 | 宁波宝力农环境技术开发有限公司 | Ultrasonic reinforced acid dissolution electroplating sludge device |
| CN110357394A (en) * | 2019-07-24 | 2019-10-22 | 华北水利水电大学 | A kind of city sludge ultrasonic wave molecular sieve dehydration device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20140928 |
|
| EXPY | Termination of patent right or utility model |