CN101391837B - Method for implementing sludge decrement by using municipal sewage pipe network - Google Patents
Method for implementing sludge decrement by using municipal sewage pipe network Download PDFInfo
- Publication number
- CN101391837B CN101391837B CN2008100647726A CN200810064772A CN101391837B CN 101391837 B CN101391837 B CN 101391837B CN 2008100647726 A CN2008100647726 A CN 2008100647726A CN 200810064772 A CN200810064772 A CN 200810064772A CN 101391837 B CN101391837 B CN 101391837B
- Authority
- CN
- China
- Prior art keywords
- pipe network
- municipal sewage
- sewage pipe
- sludge
- mud
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The invention provides a method for implementing sludge reduction by taking advantage of a municipal sewage pipe network and relates to sludge reduction methods. The method solves the problems of large occupied land area, wide pollution range and high treatment expense caused by the existing sludge treatment. In the invention, a sludge transmission pipeline is arranged between a sewage treatment plant and an inspection pit of the municipal sewage pipe network, the microbial cells of the sludge in the sludge transmission pipeline are smashed; a bioreactor is arranged on an urban trunk sewer or trunk pipe, aeration is implemented in the inspecton pit and the bioreactor, and the sludge smashed and reduced by the bioreactor is input to the sewage treatment plant. Compared with a traditional urban sewage treatment method, the invention has low cost, small investment, high efficiency and good treatment effect, relieves the load of subsequent processing technology, reduces the volume of subsequent treatment structure and lowers engineering cost. In appropriate conditions, the sludge possibly has zero growth or even negative growth and can be effectively reduced.
Description
Technical field
The present invention relates to the method for mud decrement.
Background technology
Mud is the solid waste that produces in the sewage treatment process.Along with the development of sewage disposal cause, sewage work always handles the water yield and degree of treatment will constantly enlarge and improve, and the generation of mud also will increase significantly.Simultaneously, the investment and the working cost of sludge treatment are huge, can account for the 25%-65% of entire sewage treatment plant investment and working cost, the heavy burden that has become the municipal sewage plant and faced.The common way of sludge treatment is: after the pre-treatment such as elder generation's process is concentrated, stable, dehydration, carry out final disposal.At present, the new general water ratio of mud that produces of sewage work is higher, and volume is bigger, must handle accordingly after the thickening again.Conventional method of disposal has: sanitary landfill, burning and soil utilization etc.The thermal treatment of sanitary landfill, mud, soil utilization, material of construction and biological process etc.Sanitary landfill: sanitary landfill is had relatively high expectations to land status, need large-area place and a large amount of trucking costs, ground need do the antiseepage processing in order to avoid polluted underground water etc., landfill is not finally avoided environmental pollution, just delayed the time of polluting, so the proportion of mud landfill disposal in recent years is more and more littler.Thermal treatment: thermal treatment required equipment, the energy and process cost are very high, and the material in the mud time can produce secondary pollution in burning, so limited its application aspect sludge treatment.The soil utilizes: although the soil utilization of mud has less energy-consumption, the recyclable advantage such as nutrient of utilizing, but the heavy metal in the mud, organism and N, P etc. may pollute surface water and underground water, if objectionable impurities by plant absorbing, is easy to jeopardize the health of human body.Material of construction: with heat treatment phase seemingly, mud can produce secondary pollution equally as material of construction, might produce a large amount of obnoxious flavoures, serious harm people's health.
Summary of the invention
Existing sludge treatment floor space is big, pollution range is wide, processing costs is high in order to solve in the present invention, thermal treatment required equipment, the energy and process cost are very high, and the material in the mud can produce secondary pollution when burning, the problem that heavy metal in the mud, organism and N, P etc. may pollute surface water and underground water, a kind of method of utilizing municipal sewage pipe network to implement mud decrement is provided, and the concrete technical scheme that addresses the above problem is as follows:
Urban sewage pipe sludge reduction method of the present invention, this method is included between the sewage work of municipal sewage pipe network and the inspection chamber sludge carrier pipe road is set, on municipal sewage pipe network main or main pipe, bio-reactor is set, and to applying aeration in inspection chamber and the bio-reactor, the mud input sewage work after municipal sewage pipe network main or main pipe and bio-reactor decrement.
The present invention utilizes between the sewage work of municipal sewage pipe network and the inspection chamber sludge carrier pipe road is set, mud in sludge carrier pipe road and municipal sewage pipe network main pipe operational process in the mud microorganism species living environment experienced by aerobic and replaced to anaerobic, at environment alternately and realized the decrement of mud in the bio-reactor; Owing to the effect of follow-up anaerobion, surplus sludge volume will reduce significantly simultaneously.Compare with traditional method for the treatment of city waste water, have cost is low, investment is little, efficient is high, treatment effect good, alleviated subsequent treatment process burden, dwindled the volume of subsequent disposal structures and reduced construction costs, under suitable condition, zero growth rate even negative growth may appear in mud, not only improved the municipal sewage treatment effect, also made mud obtain effective decrement.Unique distinction of the present invention has been to utilize the sewer line that plays the sewage transfer function on the traditional sense, with its major portion as bio-reactor, reduced the load of subsequent treatment process, dwindled the volume of subsequent disposal structures, saved the space of subsequent disposal structures, reduce the construction investment and the operation cost of traditional cities sewage work significantly, changed sewage disposal idea on the traditional sense.
Description of drawings
Fig. 1 is the system chart of the inventive method.9 is pump among the figure.
Embodiment
Embodiment one: describe present embodiment in conjunction with Fig. 1.Present embodiment is provided with sludge carrier pipe road 2 between the sewage work of municipal sewage pipe network and inspection chamber, on municipal sewage pipe network main or main pipe 4, bio-reactor 7 is set, and to applying aeration in inspection chamber 5 and the bio-reactor 7, the mud input sewage work 1 after municipal sewage pipe network main or main pipe 4 and bio-reactor 7 decrements carries out recirculation.
Embodiment two: the difference of present embodiment and embodiment one is that it also includes on sludge carrier pipe road 2 microorganism cells in the mud in the sludge carrier pipe road is carried out precrushing treatment unit 3.
Embodiment three: the difference of present embodiment and embodiment two is that precrushing treatment unit 3 selects Vltrasonic device, microwave device, ozone and/or ClO for use
2Throwing device.
Adopt ultrasonic disruption, the disruption of microorganisms cell utilizes the dispersion effect of ultrasonic wave in liquid, makes liquid produce the effect of cavitation, thereby makes solid particulate or cell tissue fragmentation in the liquid.Ultrasonic wave can produce powerful pressure wave in liquid, this pressure wave then can form millions upon millions of microcosmic bubbles, along with high-frequency vibration, bubble will increase rapidly, suddenly closed then, when bubble is closed, because mutual collision produces powerful shockwave between liquid, produce thousands of atmospheric pressure (being ultrasonic cavitation) around it, this energy is enough to cell and the broken reorganization of all kinds of inorganic substance.Utilization and microorganism that mud after the ultrasonic wave effect helps microorganism must substitute, and can realize mud decrement better.
Embodiment four: the mud in the sludge carrier pipe road 2 of present embodiment directly is added in inspection chamber 5 or the bio-reactor 7 after microorganism cells carries out the precrushing processing and (can also be added in the inspection chamber 5 of main), and adding a little is a place or many places.
In the dosage of mud and the sludge carrier pipe road 2 in the caliber in the concentration of mud, sludge carrier pipe road 2 and the sludge carrier pipe road 2 flow of sewage relevant, carry out aeration adding the mud place.
The time of adding of mud will decide according to this area's water consumption size, be chosen in the water use peak phase to add.
The water of for some time is carried in sludge carrier pipe road 2 after the mud transport cycle is finished, the mud in the cleaning sludge carrier pipe road 2 prevents blocking pipe.
Embodiment five: the difference of present embodiment and embodiment one is to add filler in urban sewage pipe main pipe 4, filler adopts soft or semi soft packing, increase the contact area of microorganism and municipal effluent, improve the clearance of municipal effluent.
Embodiment six: the difference of present embodiment and embodiment one is only to impose aeration in bio-reactor 7, makes mud carry out aerobic, the anaerobic treatment of intermittent type in main pipe 4, and aeration is with gas blower 8 inputs, and aeration adopts air.
Embodiment seven: the pretreatment unit 3 of present embodiment adopts one or more placed in-line Vltrasonic devices, microwave device, ozone and/or ClO
2The throwing device mode.
Embodiment eight: the difference of present embodiment and embodiment one is that bio-reactor 7 can be formed by the transformation of sewage pump station.
Embodiment nine: the bio-reactor 7 of present embodiment, adopt catalytic oxidation, membrane bioreactor, IC reaction tower or SBR.
The process of sludge reduction method experience of the present invention:
One, the excess sludge of Sewage Plant generation enters in the inspection chamber 5 through sludge carrier pipe road 2;
Two, mud carries out oxygenation: add active sludge by amount from inspection chamber 5, simultaneously in inspection chamber 5, apply aeration, bacterium in the mud can secrete viscous substance, and inter-adhesive formation zoogloea, and the viscous substance that its surface has has strong adsorptive power to the organic particle in the municipal effluent, colloidalmaterial.Microorganism is breeding in a large number in this process, and the DO in the water constantly is consumed, and the organic pollutant in the sewage becomes simple inorganics through aerobic microorganism effect oxygenolysis, as CO
2, H
2O, nitrate and phosphoric acid salt etc. make sewage obtain rough purification;
Three, dissolved oxygen reduces gradually in the municipal effluent, flora replaces: this stage be the sewage microbiological treatment by aerobic to the anaerobic transition stage, dissolved oxygen in the municipal effluent reduces gradually at this moment, because the change of condition, the part aerobic microbiological stops growing, and other has the death of part aerobic microbiological, and double oxygen animalcule becomes dominant microflora gradually, mainly there are a large amount of facultative aerobes and facultative anaerobe, COD, BOD
5The concentration reduction eases up;
Four, anaerobion becomes dominant microflora, municipal sewage treatment enters anaerobic phase: the pipeline that general mud adds some sewage work reaches several kilometers to tens kilometers, approach exhaustion along with dissolved oxygen in the municipal effluent, a large amount of aerobic microbiologicals that this process produces stop growing or are dead, make mud obtain decrement.Microorganism species is based on anaerobism and aerobic-anaerobic microbe at this moment, and part is managed the anaerobion at the end and entered water body, and original anaerobism or double oxygen animalcule are deposited on the pipe end in the water body, have shortened the adaptive phase that anaerobion is disposed of sewage.Organism further is removed in the municipal effluent, and COD reduces.Simultaneously, the part in the municipal effluent is inorganic nitrogen-sourced generates N by denitrification
2Overflow, reach the purpose of denitrogenation;
Five, suitable anaerobic environment promotes the anaerobic digestion of mud: under the anaerobic environment that is fit to, organic substance at first produces organic acid, alcohol, CO by the acid-producing bacteria decomposing organic matter under the anaerobion effect
2, N
2, H
2, H
2S etc., and then be reduced to CH by methanogen
4And CO
2The bubble that produces is overflowed from water, thereby further makes mud obtain decrement.Secondly, by anaerobic digestion, most of pathogenic bacteria or cricket worm's ovum are killed or are decomposed as organism, make mud reach innoxious.Mud is after digestion, and part organonitrogen has wherein changed into ammonia nitrogen, has improved the fertilizer efficiency of mud.This moment municipal effluent water body COD, BOD
5Concentration is lower, and microorganism is based on anerobe, and part is in decline phase.
Claims (9)
1. utilize municipal sewage pipe network to implement the method for mud decrement, it is characterized in that between sewage work (1) at municipal sewage pipe network and the inspection chamber (5) sludge carrier pipe road (2) being set, on municipal sewage pipe network main or main pipe (4), bio-reactor (7) is set, and to applying aeration in inspection chamber (5) and the bio-reactor (7), the mud input sewage work (1) after municipal sewage pipe network main or main pipe (4) and bio-reactor (7) decrement.
2. the method for utilizing municipal sewage pipe network to implement mud decrement according to claim 1, it is characterized in that it also includes carries out precrushing treatment unit (3) to the microorganism cells in the mud in sludge carrier pipe road (2).
3. the method for utilizing municipal sewage pipe network to implement mud decrement according to claim 2 is characterized in that precrushing treatment unit (3) adopts Vltrasonic device, microwave device, ozone and/or ClO
2Throwing device.
4. according to claim 2 or the 3 described methods of utilizing municipal sewage pipe network to implement mud decrement, it is characterized in that precrushing treatment unit (3) adopts one or more placed in-line Vltrasonic devices, microwave device, ozone and/or adds ClO
2Throwing device.
5. the method for utilizing municipal sewage pipe network to implement mud decrement according to claim 1 is characterized in that also including adding filler in the main pipe (4) at municipal sewage pipe network.
6. the method for utilizing municipal sewage pipe network to implement mud decrement according to claim 1 is characterized in that only imposing aeration in bio-reactor (7).
7. the method for utilizing municipal sewage pipe network to implement mud decrement according to claim 1 is characterized in that bio-reactor (7) adopts catalytic oxidation, membrane bioreactor, IC reaction tower or SBR.
8. the method for utilizing municipal sewage pipe network to implement mud decrement according to claim 5 is characterized in that filler adopts soft or semi soft packing.
9. according to claim 1 or the 6 described methods of utilizing municipal sewage pipe network to implement mud decrement, it is characterized in that aeration adopts gas blower (8) input, aeration adopts air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100647726A CN101391837B (en) | 2008-06-20 | 2008-06-20 | Method for implementing sludge decrement by using municipal sewage pipe network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100647726A CN101391837B (en) | 2008-06-20 | 2008-06-20 | Method for implementing sludge decrement by using municipal sewage pipe network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101391837A CN101391837A (en) | 2009-03-25 |
| CN101391837B true CN101391837B (en) | 2010-09-01 |
Family
ID=40492378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100647726A Active CN101391837B (en) | 2008-06-20 | 2008-06-20 | Method for implementing sludge decrement by using municipal sewage pipe network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101391837B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX344608B (en) | 2009-12-24 | 2016-12-20 | Bcr Env Corp * | Improved digestion of biosolids in wastewater. |
| CN102092893A (en) * | 2010-12-03 | 2011-06-15 | 北京林业大学 | Excess sludge decrement method based on cooperation of ultrasonic pretreatment and membrane bioreactor |
| CN102126818B (en) * | 2011-01-14 | 2012-12-05 | 华南理工大学 | Chlorine dioxide/ultrasonic wave-coupled excess sludge decrement pretreating method |
| CN102180577A (en) * | 2011-03-17 | 2011-09-14 | 南海发展股份有限公司 | Method for decrement pretreatment of excessive sludge by coupling ultrasonic waves/chlorine dioxide |
| CN103147506A (en) * | 2013-03-05 | 2013-06-12 | 西安建筑科技大学 | Inspection well for automatically filling oxygen into sewage pipe |
| CN103771668B (en) * | 2014-02-26 | 2015-10-21 | 华瀚管道系统科技有限公司 | A kind of urban drainage pipe network sewage separation treatment system |
| CN110563289A (en) * | 2019-09-09 | 2019-12-13 | 湖南鑫恒环境科技有限公司 | Method for treating sludge by combining microwaves and microbial agents |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1146979A (en) * | 1995-04-04 | 1997-04-09 | 埃科技术株式会社 | Apparatus and method for purifying polluted water |
| CN1579970A (en) * | 2003-07-30 | 2005-02-16 | 财团法人工业技术研究院 | Biological sludge reducing apparatus |
| CN1915868A (en) * | 2006-09-01 | 2007-02-21 | 清华大学 | Method for decreasing sewage sludge from town and changing it to resources |
-
2008
- 2008-06-20 CN CN2008100647726A patent/CN101391837B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1146979A (en) * | 1995-04-04 | 1997-04-09 | 埃科技术株式会社 | Apparatus and method for purifying polluted water |
| CN1579970A (en) * | 2003-07-30 | 2005-02-16 | 财团法人工业技术研究院 | Biological sludge reducing apparatus |
| CN1915868A (en) * | 2006-09-01 | 2007-02-21 | 清华大学 | Method for decreasing sewage sludge from town and changing it to resources |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2004-330064A 2004.11.25 |
| 李军等.厌氧/好氧耦合反应器的除污效能及污泥减量效果.中国给水排水22 23.2006,22(23),5-8，13. |
| 李军等.厌氧/好氧耦合反应器的除污效能及污泥减量效果.中国给水排水22 23.2006,22(23),5-8,13. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101391837A (en) | 2009-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101391837B (en) | Method for implementing sludge decrement by using municipal sewage pipe network | |
| CN102351378B (en) | Method and system for processing rural sewage in artificial wetlands | |
| CN102060423B (en) | Method for acquiring denitrified carbon source by fermenting surplus sludge | |
| AU2020103245A4 (en) | A device for enhancing denitrification by combining a horizontal subsurface flow with a vertical flow CW-MFC system in series and an operation method thereof | |
| CN101704615B (en) | Method for reducing sludge by adopting ultrasound-magnetic field coupling to disrupt sludge | |
| CN105481206B (en) | A kind of control method of black smelly river lake original position ecological reestablishment integrated system | |
| CN203346230U (en) | Landfill leachate treatment device | |
| CN101186889A (en) | Thermophilic microorganism preparation for treating sewage and sludge, preparation method and application thereof | |
| CN102358674A (en) | Sewage treatment method capable of sludge quantitative reduction | |
| CN105502850A (en) | Integrated treatment method and device for sewage and garbage in cold region | |
| CN214528622U (en) | Constructed wetland device capable of synchronously removing pollutants from multiple targets | |
| CN1962490A (en) | High efficient microbe synergistic process for sewage treatment factory | |
| CN106966506A (en) | A kind of SBR method of wastewater treatment and device that carbon is released including online eddy flow | |
| CN101591124A (en) | A kind of garbage filter liquid processing method | |
| CN113045129A (en) | Constructed wetland device capable of synchronously removing pollutants from multiple targets | |
| CN105366802A (en) | Eco-biofilter apparatus and method for treating sewage by eco-biofilter apparatus | |
| CN209537241U (en) | A kind of culturing wastewater processing system | |
| CN219507751U (en) | Device for treating nitrogen and phosphorus exceeding underground water by activated sludge process | |
| CN101928068A (en) | Method of all self-oxygen ammonia nitrogen removal by particle sludge | |
| CN101734790B (en) | Water treatment method for controlling nitrogen and phosphorus contents and reducing sludge by using ozone coupling ASBR/SBR, and reactor | |
| CN102515438B (en) | Landfill leachate treatment process | |
| CN201722253U (en) | Synchronous sewage denitrification and phosphorus-removal system | |
| CN202226753U (en) | Sewage treatment device with function of sludge reduction | |
| CN111777262B (en) | Method for purifying domestic sewage | |
| CN114538601A (en) | Integrated water treatment equipment and microorganism fixing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ma Jun Inventor after: Han Bangjun Inventor after: Wang Qun Inventor after: Han Yahong Inventor before: Ma Jun Inventor before: Wang Qun Inventor before: Han Yahong Inventor before: Han Bangjun |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: MA JUN WANG QUN HAN YAHONG HAN BANGJUN TO: MA JUN HAN BANGJUN WANG QUN HANYAHONG |