CN202322576U - Sludge minimizing system with high efficiency and low consumption - Google Patents

Sludge minimizing system with high efficiency and low consumption Download PDF

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Publication number
CN202322576U
CN202322576U CN2011204736069U CN201120473606U CN202322576U CN 202322576 U CN202322576 U CN 202322576U CN 2011204736069 U CN2011204736069 U CN 2011204736069U CN 201120473606 U CN201120473606 U CN 201120473606U CN 202322576 U CN202322576 U CN 202322576U
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China
Prior art keywords
sludge
pond
biological
communicated
tank
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Expired - Fee Related
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CN2011204736069U
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Chinese (zh)
Inventor
赵晓
李华
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Sichuan Stong Omex Environmental Engineering Co Ltd
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Sichuan Stong Omex Environmental Engineering Co Ltd
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Priority to CN2011204736069U priority Critical patent/CN202322576U/en
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Abstract

The utility model discloses a sludge minimizing system with high efficiency and low consumption, which comprises sludge-water separating equipment, a biological selecting tank, an anaerobic tank and an aerobic treating tank, wherein the sludge-water separating equipment is communicated with the biological selecting tank, the biological selecting tank is communicated with the anaerobic tank, and the anaerobic tank is communicated with the aerobic treating tank. By the technological design that after concentration, sludge subjected to anaerobic digestion flows back for biological anaerobic and biological aerobic digestion through sludge-water separation and concentration according to the sludge minimizing system, the metabolic states of microorganisms are quickly switched, and the normal energy coupling paths of the microorganisms are obstructed, so that the yield of the residual sludge is greatly reduced, the scale of a sludge settling tank is decreased, the specification of sludge filter-pressing equipment is decreased, and the treating quantity of sludge landfill is decreased. The conditions that the constructing and running cost of sewage treating engineering is greatly lowered and the sludge treating efficiency is greatly enhanced are realized.

Description

Have high-level efficiency, low consumed sludge reduction system
Technical field
The utility model relates to a kind of sludge reduction system, especially relates to a kind of have high-level efficiency, low consumed sludge reduction system, belongs to WWT, field of environment protection.
Background technology
Along with sludge discharge in the wastewater treatment in China process sharply increases, at present, the annual dewatered sludge discharge capacity of having added up is 1,300,000 tons, if all dischargings, a year dewatered sludge discharge capacity will reach 8,400,000 tons, account for 3.2% of China's total solids waste; Mud must realize that " stabilization, innoxious, minimizing, resource utilization " become the important requirement of WWT environment protection, and sludge treatment has become one of main consumption of sewage treatment project construction and operation.
The processing of at present relevant sludge reduction has had broad research both at home and abroad, mainly is divided into biological treatment and abiotic processing (physical treatment, chemical treatment).
Wherein, Bioremediation is: concentrate excess sludge; After concentrated and dehydration; Be transported to the anaerobic sludge digestion pond, impel the interior fat of microorganism cells in the active sludge, protein, carbohydrate to consume and reach through the realization of the reductive action under the alcohol dehydrogenase enzyme catalysis in the sarcina methanica in the anaerobic sludge, methane coccus, methagen carbonyl reduction, generation H through the internal respiration effect 2,CH 4And CO 2, can make approximately the volatility sludge quantity reduce 30 ~ 50%, realize that the minimizing of mud and mud trucking costs are saved, the mud amount of landfill reduces, and to produce with methane be the biogas of staple, realize that bioenergy transforms to more convenient human use's direction.Result of study shows: for traditional quantitative reduction method; Need to build special-purpose anaerobic sludge digestion pond; And sludge retention time generally need reach in the anaerobic digester: 20 ~ 25 days; Just can reach the level of clearing up of code requirement, the engineering construction investment volume of sludge digestion has accounted for 20% ~ 50% of WWT all-work investment.
In biological treatment process, anaerobic sludge digestion needs special-purpose anaerobic digester, collecting methane bunkerage, biogas to set off equipment, will increase considerably the Sewage Plant construction costs, according to general estimation, is about nearly 50% of Sewage Plant cost.
At present except that biological treatment, mud also after deliberation multiple physics, chemical treatment method be used for the pre-treatment before the anaerobic sludge digestion: 1. mechanical treatment process; 2. ultrasonic pretreatment; 3. ozonize is technological; 4 hot pre-treatment; 5. microwave method; 6. cold method; 7. radiation method; 8. ozone method; 9. chlorine method; 10. dioxide peroxide method; 11. acid-base method.With respect to biological treatment, the machinery of selecting for use at present, physics, chemical method exist energy consumption height, higher, the high deficiency of processing energy consumption of equipment configuration cost.
The utility model content
The purpose of the utility model is to overcome the shortcoming and defect of above-mentioned prior art; A kind of have high-level efficiency, low consumed sludge reduction system are provided; This sludge reduction system through mud-water separation, concentrate, concentrate back mud through being back to the technological design of biological anoxic and biology aerobic digestion after the anaerobic digestion; The microbial metabolism state is switched fast; Its normal energy coupling joins the path and is blocked, and causes excess sludge production to reduce significantly, and the mudpan scale reduces, the sludge press filtration specification of equipment reduces, mud landfill disposal amount reduces.The construction and the running cost that realize sewage treatment project reduce bigger raising sludge treatment efficient by a relatively large margin.
The purpose of the utility model realizes through following technical proposals: have high-level efficiency, low consumed sludge reduction system; Comprise mud and water separating equipment, biological pond, anoxic pond, the aerobic treatment pond selected; Said mud and water separating equipment is communicated with the biological pond of selecting; The said biological pond of selecting is communicated with anoxic pond, and said anoxic pond is communicated with the aerobic treatment pond.
Said mud and water separating equipment is provided with sludge outlet and sewage outlet, and said sludge outlet is connected with anaerobic reation pool, and said anaerobic reation pool is communicated with the biological pond of selecting.
Said sewage outlet is communicated with the biological pond of selecting.
Said aerobic treatment pond is communicated with sterilization pool.
Said mud and water separating equipment, anaerobic reation pool, the biological selection all are communicated with through pipeline between pond, anoxic pond, aerobic treatment pond and the sterilization pool.
Said aerobic treatment pond is communicated with mud and water separating equipment.
Pipeline between said aerobic treatment pond and the mud and water separating equipment is provided with reflux pump.
In sum; The beneficial effect of the utility model is: this sludge reduction system through mud-water separation, concentrate, concentrate back mud through being back to the technological design of biological anoxic and biology aerobic digestion after the anaerobic digestion; The microbial metabolism state is switched fast; Its normal energy coupling joins the path and is blocked, and causes excess sludge production to reduce significantly, and the mudpan scale reduces, the sludge press filtration specification of equipment reduces, mud landfill disposal amount reduces.The construction and the running cost that realize sewage treatment project reduce bigger raising sludge treatment efficient by a relatively large margin.
Description of drawings
Fig. 1 is the fundamental diagram of the utility model.
Mark and corresponding component title in the accompanying drawing: 1-mud and water separating equipment; 2-anaerobic pond; 3-biological the pond of selecting; 4-anoxic pond; 5-aerobic treatment pond; 6-sterilization pool; 7-reflux pump.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is done further to specify, but the embodiment of the utility model is not limited only to this.
Embodiment:
As shown in Figure 1; Have high-level efficiency, low consumed sludge reduction system; Comprise mud and water separating equipment 1, biological pond 3, anoxic pond 4, the aerobic treatment pond 5 selected; Said mud and water separating equipment 1 is communicated with the biological pond 3 of selecting, and the said biological pond 3 of selecting is communicated with anoxic pond 4, and said anoxic pond 4 is communicated with aerobic treatment pond 5.Treating water flows through biological pond 3, anoxic pond 4, Aerobic Pond 5, the sterilization pool 6 selected successively; Efflux then; Said aerobic treatment pond 5 partially disposed water reflux and get into separating device 1, after separating device 1 isolated concentrated mud gets into anaerobic pond 2 reactions, get into the biological pond 3 of selecting again, advance treating water after separating device 1 separates and directly get into the biological pond 3 of selecting and converge with former water and recirculation water; And get into anoxic pond 4 and aerobic treating pond 5 more successively with flow process; After accomplishing aerobic treatment, handle, efflux then through sterilization pool 6.
Said mud and water separating equipment 1 is provided with sludge outlet and sewage outlet, and said sludge outlet is connected with anaerobic reation pool 2, and said anaerobic reation pool 2 is communicated with the biological pond 3 of selecting.
Said sewage outlet is communicated with the biological pond 3 of selecting.
Said aerobic treatment pond 5 is communicated with sterilization pool 6.After water after the processing carries out disinfection through sterilization pool 6, put into next link and use.
Said mud and water separating equipment 1, anaerobic reation pool 2, the biological selection all are communicated with through pipeline between pond 3, anoxic pond 4, aerobic treatment pond 5 and the sterilization pool 6.Through pipeline, make that the flow rate of liquid is higher, easy to maintenance.
Said aerobic treatment pond 5 is communicated with mud and water separating equipment 1.
Pipeline between said aerobic treatment pond 5 and the mud and water separating equipment 1 is provided with reflux pump 7.The sewage of the part of the outlet in aerobic treatment pond 5 is got back in the mud and water separating equipment 1 through pipeline and reflux pump 7, realizes circular treatment.
Through corresponding analysis and test; After the sewage of employing institute research and design, the mud reflux process; Not increasing basically on the basis that WWT energy consumption and auxilliary material consume, can reduce excess sludge production on year-on-year basis and be not less than 40%, mean minimizing to be not less than 40% excess sludge processing cost; This rapidly increases in national sewage work; The landfill of mud or burn under the high and situation that is tending towards going up of cost, this has important positive effect to the energy-saving and emission-reduction and the sustainable development of WWT industry.
Take aforesaid way, just can realize the utility model preferably.

Claims (7)

1. have high-level efficiency, low consumed sludge reduction system; It is characterized in that: comprise mud and water separating equipment (1), biological pond (3), anoxic pond (4), aerobic treatment pond (5) selected; Said mud and water separating equipment (1) is communicated with the biological pond (3) of selecting; The said biological pond (3) of selecting is communicated with anoxic pond (4), and said anoxic pond (4) is communicated with aerobic treatment pond (5).
2. as claimed in claim 1 have high-level efficiency, a low consumed sludge reduction system; It is characterized in that: said mud and water separating equipment (1) is provided with sludge outlet and sewage outlet; Said sludge outlet is connected with anaerobic reation pool (2), and said anaerobic reation pool (2) is communicated with the biological pond (3) of selecting.
3. as claimed in claim 2 have high-level efficiency, a low consumed sludge reduction system, and it is characterized in that: said sewage outlet is communicated with the biological pond (3) of selecting.
4. as claimed in claim 2 have high-level efficiency, a low consumed sludge reduction system, and it is characterized in that: said aerobic treatment pond (5) is communicated with sterilization pool (6).
5. as claimed in claim 4 have high-level efficiency, a low consumed sludge reduction system, and it is characterized in that: said mud and water separating equipment (1), anaerobic reation pool (2), the biological selection all are communicated with through pipeline between pond (3), anoxic pond (4), aerobic treatment pond (5) and the sterilization pool (6).
6. as claimed in claim 1 have high-level efficiency, a low consumed sludge reduction system, and it is characterized in that: said aerobic treatment pond (5) is communicated with mud and water separating equipment (1).
7. as claimed in claim 6 have high-level efficiency, a low consumed sludge reduction system, and it is characterized in that: the pipeline between said aerobic treatment pond (5) and the mud and water separating equipment (1) is provided with reflux pump (7).
CN2011204736069U 2011-11-24 2011-11-24 Sludge minimizing system with high efficiency and low consumption Expired - Fee Related CN202322576U (en)

Priority Applications (1)

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CN2011204736069U CN202322576U (en) 2011-11-24 2011-11-24 Sludge minimizing system with high efficiency and low consumption

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Application Number Priority Date Filing Date Title
CN2011204736069U CN202322576U (en) 2011-11-24 2011-11-24 Sludge minimizing system with high efficiency and low consumption

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104661970A (en) * 2012-07-26 2015-05-27 得利满公司 Process for reducing the production of sludge by municipal or industrial wastewater purification plants, and equipment for the implementation thereof
CN108083592A (en) * 2018-01-03 2018-05-29 辽宁宸远能源环保设备有限公司 Municipal sludge is innoxious, recycling pretreatment unit and sludge synthesis locate method in advance

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104661970A (en) * 2012-07-26 2015-05-27 得利满公司 Process for reducing the production of sludge by municipal or industrial wastewater purification plants, and equipment for the implementation thereof
CN104661970B (en) * 2012-07-26 2019-03-22 得利满公司 It reduces the method for the sludge generation at city or industrial waste water purifying station and implements its equipment
CN108083592A (en) * 2018-01-03 2018-05-29 辽宁宸远能源环保设备有限公司 Municipal sludge is innoxious, recycling pretreatment unit and sludge synthesis locate method in advance

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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: 20120711

Termination date: 20141124

EXPY Termination of patent right or utility model