CN206232581U - Municipal sewage sludge processing system - Google Patents
Municipal sewage sludge processing system Download PDFInfo
- Publication number
- CN206232581U CN206232581U CN201621335296.3U CN201621335296U CN206232581U CN 206232581 U CN206232581 U CN 206232581U CN 201621335296 U CN201621335296 U CN 201621335296U CN 206232581 U CN206232581 U CN 206232581U
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- Prior art keywords
- pipeline
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- pond
- sludge
- processing system
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Abstract
The utility model discloses a kind of municipal sewage sludge processing system, sewage pipe road junction sets one and filters barrier, the filtering barrier connects setting pot by pipeline, the setting pot connects just shallow lake pond by pipeline, the just shallow lake pond connects biological treatment tank by pipeline, the biological treatment tank connects second pond by pipeline, the second pond connects coagulative precipitation tank by pipeline, chemicals dosing plant is set between the second pond and coagulative precipitation tank, the coagulative precipitation tank connects filter by pipeline, and the filter connects outlet pipe.A kind of municipal sewage sludge processing system that the utility model is provided, it is adaptable to which, with city of the surface water as water source such as the Jiang ﹑ He ﹑ Hu ﹑ pools, after treatment, mud can do extensive use of chemical fertilizer treatment, and for the fertilizer of plant, sewage subtracts dirty discharge by eliminating filtration treatment.
Description
Technical field
The utility model is related to a kind of municipal sewage sludge processing system.
Background technology
With the development of domestic sewage disposal cause, Sewage Plant total process water yield and degree for the treatment of constantly will expand and carry
Height, the sludge quantity of generation also increasingly increases, at present at home in general Sewage Plant its capital construction and operating cost account for total capital construction and
The 20%~50% of operating cost.Except containing the nutriment such as substantial amounts of organic matter and abundant nitrogen, phosphorus, going back in sewage sludge
There is the poisonous and harmful elements such as heavy metal, pathogenic bacteria and parasite.At the secondary pollution for preventing sludge from causing and guarantee sewage
Manage normal operation and the treatment effect of factory, the position that the treatment handling problems of sewage sludge are occupied in municipal sewage treatment day
Benefit is prominent.Chinese existing population more than 1,300,000,000, more than 640, city, urban population 2.7 hundred million.There is provided according to China national Environmental Protection Administration
Numeral, the annual about m3 of sewage effluent 40,100,000,000 Chinese at present, there are more than 400 seats the municipal sewage plant for being completed operating, at day
The m3 of reason ability 25,340,000.0.3%~0.5% (in terms of moisture content 97%) [2] for accounting for treatment water by sludge yield calculate, China
The yield of municipal sewage sludge is between 7.602 ten thousand m3/d and 12.67 ten thousand m3/d (in terms of moisture content 97%).Therefore, China
While sewage disposal cause constantly makes progress, huge specific resistance to filtration pressure will be faced.
The utility model provides a kind of municipal sewage sludge processing system, and on the other hand one side agricultural sludge purifies
Sewage.
Utility model content
The utility model is to provide at a kind of municipal sewage sludge to solve the technical scheme that above-mentioned technical problem is used
Reason system, wherein, specially:
Sewage pipe road junction sets one and filters barrier, and the filtering barrier connects setting pot by pipeline, and the setting pot leads to
The first shallow lake pond of piping connection, the just shallow lake pond connects biological treatment tank by pipeline, and the biological treatment tank is connected by pipeline
Second pond, the second pond connects coagulative precipitation tank by pipeline, and dosing dress is set between the second pond and coagulative precipitation tank
Put, the coagulative precipitation tank connects filter by pipeline, the filter connects outlet pipe.
A kind of above-mentioned municipal sewage sludge processing system, wherein:The lower section in the just shallow lake pond sets initial sludge pipeline,
The initial sludge pipeline connection slurries filtering barrier, the slurries filtering barrier connects mud concentration basin by pipeline, described
Mud concentration basin connects slurry dewatering centrifuge by pipeline, and the slurry dewatering centrifuge connects sludge pump.
A kind of above-mentioned municipal sewage sludge processing system, wherein:The lower section of the second pond sets returned sludge pipeline,
The returned sludge pipeline connects the bottom of biological treatment tank.
A kind of above-mentioned municipal sewage sludge processing system, wherein:The lower section of the second pond sets excess sludge pipeline,
The excess sludge pipeline connects initial sludge pipeline.
The utility model has the advantages that relative to prior art:
Suitable for city of the surface water as water source such as the Jiang ﹑ He ﹑ Hu ﹑ pools, after treatment, mud can be done at extensive use of chemical fertilizer
Reason, for the fertilizer of plant, sewage subtracts dirty discharge by eliminating filtration treatment.
Brief description of the drawings
Fig. 1 is the structural representation of municipal sewage sludge processing system.
In figure:
Filter the setting pot 4 of the barrier 3 just coagulative precipitation tank of 5 biological treatment tank of shallow lake pond, 6 second pond 7 in 1 sewage pipe road junction 2
The dewatering centrifuge 14 of 8 chemicals dosing plant, 9 filter, 10 11 initial sludge pipeline of outlet pipe, 12 mud concentration basin 13 flows back dirt
The excess sludge pipeline of mud pipeline 15
Specific embodiment
The utility model will be further described with reference to the accompanying drawings and examples.
There is wastewater treatment, the tendency of light Treatment of Sludge emphatically in China.Many cities are not using the treatment of sludge as sewage
The necessary component of factory, after often sewage treatment plant builds up, sludge treating system is just built after considerable time, causes me
State's city sewage and sludge handling rate is very low.But in terms of Treatment of Sludge, China also lacks practical experience and design experiences, especially
The integral level of sludge treating system also than relatively low, from terms of the sludge treatment equipment of built sewage treatment plant, operating condition
It is not good, it is impossible to after ensureing that longtime running, the device of many factories build up, larger technological transformation to be carried out again, cause human and material resources and
The significant wastage of financial resources.
The utility model provides a kind of municipal sewage sludge processing system, and sewage pipe road junction 1 sets one and filters barrier 2,
Filtering barrier 2 is oblique, tentatively isolates debris, and the filtering barrier 2 connects setting pot 3 by pipeline, and sewage is by filtering
After barrier 2, into setting pot 3, sewage is inevitably mixed into silt particle during migrating, flowing and collecting.Sand in sewage
If not advance sedimentation separation removal, can influence the operation of subsequent processing device.Most importantly abrasion pump, blocking is managed
Net, interference even destruction biochemical processing process process.Particle diameter is more than 0.2mm during setting pot 3 is mainly used in removal sewage, and density is big
In 2.65t/ cubic metres of sand grains, with facilities such as protective conduit, valves from wearing and tearing and blocking.Its operation principle is with gravity point
Based on, therefore the water inlet flow velocity of setting pot should be controlled so that heavy inorganic particle sinks, and organic suspension particle can
Taken away with current.Setting pot mainly has horizontal-flow grit chamber, aerated grit chamber, rotational flow grit chamber etc..The main of modern designs has rotation
Stream setting pot.
The setting pot 3 connects just shallow lake pond 4 by pipeline, and just shallow lake pond 4 is to remove suspension in water removal using precipitation
A kind of structures, sedimentation basin is widely used in the treatment of waste water.Its pattern is a lot, and advection can be divided into by pool inner water stream direction
Formula, vertical-flow and three kinds of radial-flow.The just shallow lake pond 4 connects biological treatment tank 5 by pipeline, and biological treatment tank 5 is to sewage
The place of microbial cleaning is carried out, wherein containing substantial amounts of beneficial microbe, heavy metal ion, the Fu Ying in sewage can be absorbed
Support the nuisances such as material so that sewage can become more clean, accelerate sewage purification.The biological treatment tank 5 passes through pipeline
Connection second pond 6, second pond 6 is the important component of activated Sludge System, and its effect mainly separates sludge, makes mixing
Liquid clarification, concentration and returnedactivatedsludge.Its working effect can directly affect effluent quality and the backflow of activated Sludge System
Sludge concentration.The second pond 6 connects coagulative precipitation tank 7 by pipeline, and coagulative precipitation tank 7 is of sedimentation basin in wastewater treatment
Kind.Coagulation process be it is most basic in industrial water and sanitary sewage disposal be also particularly important processing procedure, by water
Some medicaments (commonly referred to coagulant and flocculation aid) are added, the particle for being difficult to precipitate in water is aggregated with one another and is formed glue
Body, then combines to form bigger floccule body with the impurity in water body.Set between the second pond 6 and coagulative precipitation tank 7 and added
Medicine device 8, chemicals dosing plant 8 is carried out disinfection by dosing to sewage, and the coagulative precipitation tank 7 connects filter 9, institute by pipeline
State the connection outlet pipe 10 of filter 9.
The lower section in the just shallow lake pond 4 sets initial sludge pipeline 11, and beginning sludge pipeline 11 excludes mud, the initial mud
The connection slurries filtering barrier 2 of pipeline 11, the filtering barrier 2 connects mud concentration basin 12 by pipeline, in mud concentration basin 12
Flocculant is added, the mud concentration basin 12 connects slurry dewatering centrifuge 13, the slurry dewatering centrifuge by pipeline
13 connection sludge pumps.Sludge pump conveys mud;The lower section of the second pond 6 sets returned sludge pipeline 14, the returned sludge
Pipeline 14 connects the bottom of biological treatment tank 5.The lower section of the second pond 6 sets excess sludge pipeline 15, the excess sludge
Pipeline 15 connects initial sludge pipeline 11.The setting of above-mentioned pipeline can be with circular treatment.
The purpose of Treatment of Sludge is to make sludge reduction, stabilisation, comprehensive utilization.At all kinds of sewage of domestic city
For reason factory, it should constantly improve its sewage sludge handling process.Mud after dewatering centrifuge 13 is dehydrated can carry out aerobic heap
Fertilizer, aerobic compost is, using the effect of microorganism, sludge to be converted into the process of humic-like substance, can eliminate sludge stench, compost
Sludge stabilizing, innoxious degree are high afterwards, are economical and convenient, the innoxious substitute technology of sludge stabilizing of high-efficiency low energy consumption.
Although the utility model is disclosed as above with preferred embodiment, so it is not limited to the utility model, any
Those skilled in the art, not departing from spirit and scope of the present utility model, when a little modification and perfect, therefore this can be made
The protection domain of utility model is when by being defined that claims are defined.
Claims (4)
1. a kind of municipal sewage sludge processing system, it is characterised in that:Sewage pipe road junction set one filter barrier, the filtering every
Grid connect setting pot by pipeline, and the setting pot connects just shallow lake pond by pipeline, and the just shallow lake pond connects biological by pipeline
Processing pond, the biological treatment tank connects second pond by pipeline, and the second pond connects coagulative precipitation tank by pipeline, described
Chemicals dosing plant is set between second pond and coagulative precipitation tank, and the coagulative precipitation tank connects filter, the filtering by pipeline
Device connects outlet pipe.
2. a kind of municipal sewage sludge processing system as claimed in claim 1, it is characterised in that:Set below the just shallow lake pond
Initial sludge pipeline is put, the initial sludge pipeline connection filtering barrier, the filtering barrier connects mud and concentrates by pipeline
Pond, the mud concentration basin connects slurry dewatering centrifuge by pipeline, and the slurry dewatering centrifuge connects sludge pump.
3. a kind of municipal sewage sludge processing system as claimed in claim 2, it is characterised in that:Set below the second pond
Stream sludge pipe is put back into, the returned sludge pipeline connects the bottom of biological treatment tank.
4. a kind of municipal sewage sludge processing system as claimed in claim 3, it is characterised in that:Set below the second pond
Excess sludge pipeline is put, the excess sludge pipeline connects initial sludge pipeline.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621335296.3U CN206232581U (en) | 2016-12-07 | 2016-12-07 | Municipal sewage sludge processing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621335296.3U CN206232581U (en) | 2016-12-07 | 2016-12-07 | Municipal sewage sludge processing system |
Publications (1)
Publication Number | Publication Date |
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CN206232581U true CN206232581U (en) | 2017-06-09 |
Family
ID=58979375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201621335296.3U Expired - Fee Related CN206232581U (en) | 2016-12-07 | 2016-12-07 | Municipal sewage sludge processing system |
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CN (1) | CN206232581U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112390415A (en) * | 2020-11-16 | 2021-02-23 | 江西南工建设工程有限公司 | Waste reduction construction method in environment-friendly pollution discharge municipal engineering |
-
2016
- 2016-12-07 CN CN201621335296.3U patent/CN206232581U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112390415A (en) * | 2020-11-16 | 2021-02-23 | 江西南工建设工程有限公司 | Waste reduction construction method in environment-friendly pollution discharge municipal engineering |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170609 Termination date: 20201207 |