CN110436744A - Municipal sludge reduction and dehydration system - Google Patents
Municipal sludge reduction and dehydration system Download PDFInfo
- Publication number
- CN110436744A CN110436744A CN201910721200.9A CN201910721200A CN110436744A CN 110436744 A CN110436744 A CN 110436744A CN 201910721200 A CN201910721200 A CN 201910721200A CN 110436744 A CN110436744 A CN 110436744A
- Authority
- CN
- China
- Prior art keywords
- sludge
- pump
- outlet
- quenched
- solution
- 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.)
- Pending
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 77
- 230000018044 dehydration Effects 0.000 title claims abstract description 15
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000003756 stirring Methods 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 239000010865 sewage Substances 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 239000008394 flocculating agent Substances 0.000 claims abstract description 10
- 239000000243 solution Substances 0.000 claims abstract 12
- 239000012895 dilution Substances 0.000 claims abstract 3
- 238000010790 dilution Methods 0.000 claims abstract 3
- 238000007865 diluting Methods 0.000 claims description 28
- 230000008676 import Effects 0.000 claims description 24
- 239000000126 substance Substances 0.000 claims description 17
- 230000001376 precipitating effect Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 230000002101 lytic effect Effects 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 abstract 7
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000010801 sewage sludge Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 241000589651 Zoogloea Species 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention provides a municipal sludge reduction and dehydration system which comprises a dissolving tank, a dissolving agent dosing device, a dissolving tank mud outlet pump, a dilution tank stirring area, a dilution tank settling area, a water outlet pump, a mud outlet pump, a sludge conditioning tank, a sludge conditioning agent dosing device, a conditioning sludge pump, a sludge dehydration device, a solution conditioning tank, a solution stirring area, a solution settling area, a solution conditioning agent dosing device, a conditioning liquid water outlet pump, a conditioning precipitation mud outlet pump, a flocculating agent production device, a sewage treatment device and a water pump.
Description
Technical field
The present invention relates to sludge treatment field more particularly to municipal sludge to be reduced dewatering system.
Background technique
Sludge is the by-product of sewage treatment, and yield is big and moisture content is high.Sludge components are complicated, organic in solid component
Matter content is high, containing nutritional ingredients such as nitrogen, phosphorus, potassium, also containing polluters such as heavy metal, pathogenic microorganisms, through dealing carefully with
Resourcebility utilizes afterwards.But since moisture percentage in sewage sludge is higher, cause its yield huge.Generally without the moisture percentage in sewage sludge of dehydration
97% or so, its moisture content of the sludge through being dehydrated is 85% or so, and when moisture percentage in sewage sludge drops to 85% from 97%, sludge volume subtracts
It is small by 80%.Therefore, sludge dewatering is the most effective processing means of mud decrement.
The content of organic matter of general municipal sludge is 40% ~ 60%, and dehydration property is poor, and majority needs to add inorganic flocculation
Agent, organic flocculant or other inorganic substances to improve the dehydration property of municipal sludge, however, dewatered moisture content still 85% ~
Between 90%, moisture content is higher, further, since joined inorganic flocculating agent, organic flocculant or other inorganic substances, so that dirty
The dry weight of mud increases, and reduces the reduced training of sludge.
Summary of the invention
The present invention provides a kind of municipal sludge decrement dewatering system, is crushed by carrying out zoogloea to sludge, reduces sludge
Salinity in sludge is extracted and flocculant for sewage treatment is made by viscosity, while improving dehydration property, reduces dehydration
The dry weight of sludge afterwards.
The technical solution adopted by the present invention is that:
Municipal sludge is reduced dewatering system, comprising: dissolving tank is furnished with agitating device, lytic agent chemicals dosing plant, import and sewage
The sludge storage tank of factory is connected, and sludge out pipe road is successively furnished with dissolving tank shell pump；Diluting tank, be divided into diluting tank stirring area and
Diluting tank settling zone, the diluting tank stirring area are furnished with agitating device, and import is connected with the dissolving tank shell pump, goes out
Mouth is connected with the diluting tank settling zone by overflow；Water outlet pump, the top outlet of sewer phase with the diluting tank settling zone
Connection；Shell pump is connected with the lower part sludge outlet of the diluting tank settling zone；The quenched pond of sludge, equipped with agitating device and
Sludge adjusting material chemicals dosing plant, import are connected with the shell pump, and outlet is furnished with quenched sludge pump；Sludge dewatering dress
It sets, import is connected with the quenched sludge pump；The quenched pond of solution is divided into solution stirring area and solution settling zone, described molten
Liquid stirring area is connected equipped with agitating device and solution adjusting material chemicals dosing plant, import with the water outlet pump, outlet and institute
Solution settling zone is stated to be connected by overflow；Quenched liquid water outlet pump is connected with the top outlet of sewer of the solution settling zone；
Quenched precipitating shell pump is connected with the lower part sludge outlet of the solution settling zone；Flocculating agent preparing apparatus, import and institute
Quenched precipitating shell pump is stated to be connected；Sewage-treatment plant, import and the quenched liquid water outlet pump, the sludge dehydration device
Liquid outlet is connected with the flocculating agent preparing apparatus liquid outlet, and outlet is furnished with water pump and outer row pipeline, the water pump
It is connected with the import of diluting tank stirring area.
Preferably, the quenched pond of the sludge is also equipped with flocculant chemicals dosing plant.
The invention has the benefit that
1, dehydrating effect of the present invention is good, handles through the method for the present invention and system sludge, and moisture content declines after sludge dewatering
20%~30%。
2, after processed by the invention, mud dry weight is reduced.
3, the utility in sludge can be extracted and be made flocculant for sewage treatment by the present invention, and sludge is made to obtain resource
Change and utilizes.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram that municipal sludge of the present invention is reduced dewatering system.
Fig. 2 is another schematic diagram that municipal sludge of the present invention is reduced dewatering system.
In figure: 1- dissolving tank, 2- lytic agent chemicals dosing plant, 3- dissolving tank shell pump, 4- diluting tank, the stirring of 4A- diluting tank
Area, 4B- diluting tank settling zone, 5- water outlet pump, 6- shell pump, the quenched pond of 7- sludge, 8- sludge adjusting material chemicals dosing plant, 9- are quenched
Sludge pump, 10- sludge dehydration device, the quenched pond of 11- solution, 11A- solution stirring area, 11B- solution settling zone, 12- solution tune
Matter agent chemicals dosing plant, the quenched liquid water outlet pump of 13-, the quenched precipitating shell pump of 14-, 15- flocculating agent preparing apparatus, 16- sewage treatment
Device, 17- water pump, 18- flocculant chemicals dosing plant.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Municipal sludge is reduced dewatering system, comprising: dissolving tank 1 is furnished with agitating device, lytic agent chemicals dosing plant 2, import
It is connected with the sludge storage tank of sewage plant, sludge out pipe road is successively furnished with dissolving tank shell pump 3；Diluting tank 4, is divided into diluting tank
Stirring area 4A and diluting tank settling zone 4B, the diluting tank stirring area 4A are furnished with agitating device, and import goes out with the dissolving tank
Dredge pump 3 is connected, and outlet is connected with the diluting tank settling zone 4B by overflow；Water outlet pump 5 is precipitated with the diluting tank
The top outlet of sewer of area 4B is connected；Shell pump 6 is connected with the lower part sludge outlet of the diluting tank settling zone 4B；It is dirty
The quenched pond 7 of mud is furnished with agitating device and sludge adjusting material chemicals dosing plant 8, and import is connected with the shell pump 6, exports
Equipped with quenched sludge pump 9；Sludge dehydration device 10, import are connected with the quenched sludge pump 9；The quenched pond 11 of solution, point
For solution stirring area 11A and solution settling zone 11B, the solution stirring area 11A is furnished with agitating device and solution adjusting material dosing
Device 12, import are connected with the water outlet pump 5, and outlet is connected with the solution settling zone 11B by overflow；It is quenched
Liquid water outlet pump 13 is connected with the top outlet of sewer of the solution settling zone 11B；Quenched precipitating shell pump 14, and it is described molten
The lower part sludge outlet of liquid precipitate area 11B is connected；Flocculating agent preparing apparatus 15, import and the quenched precipitating shell pump 14
It is connected；Sewage-treatment plant 16, import and the quenched liquid water outlet pump 13,10 liquid outlet of the sludge dehydration device and
15 liquid outlet of flocculating agent preparing apparatus is connected, outlet be furnished with water pump 17 and outer row pipeline, the water pump 17 with it is dilute
The import for releasing pond stirring area 4A is connected.
The excess sludge moisture content 98.5% of sewage plant, it is mixed into the lytic agent in dissolving tank 1, with lytic agent chemicals dosing plant 2
Merge stirring；Sludge solutions after reaction enter the diluting tank stirring area 4A of diluting tank 4 by dissolving tank shell pump 3, and with from
The water that water pump 17 is pumped into uniformly mixes, and diluting tank settling zone 4B is entered after mixing, and the clear liquid after precipitating is pumped into molten by water outlet pump 5
The solution stirring area 11A in the quenched pond 11 of liquid, the sludge after precipitating are pumped into the quenched pond 7 of sludge by shell pump 6；Sludge solutions are in dirt
In the quenched pond 7 of mud in sludge adjusting material chemicals dosing plant 8 adjusting material carry out it is quenched react, the sludge solutions after reaction pass through tune
Matter sludge pump 9, which is pumped into sludge dehydration device 10, to be dehydrated, and mud cake, moisture content of the cake < 70% are obtained, and mud dry weight is reduced
5%, the water of abjection enters sewage-treatment plant 16；Clear liquid is in the 11A of solution stirring area and in solution adjusting material chemicals dosing plant 12
Adjusting material reaction, enters in solution settling zone 11B after reaction and precipitates, and precipitating clear liquid is entered at sewage by quenched liquid water outlet pump 13
Device 16 is managed, the precipitating after reaction enters flocculating agent preparing apparatus 15 by precipitating shell pump 14, obtains sewage treatment flocculation
Agent product, the sewage of generation enter sewage-treatment plant 16；Water outlet a part of sewage-treatment plant 16 is used to by water pump 17
Wash the sludge solutions of diluting tank stirring area 4A, a part of qualified discharge.
Claims (2)
1. municipal sludge is reduced dewatering system characterized by comprising dissolving tank (1) is furnished with agitating device, lytic agent dosing
Device (2), import are connected with the sludge storage tank of sewage plant, and sludge out pipe road is successively furnished with dissolving tank shell pump (3)；It is dilute
Pond (4) are released, are divided into diluting tank stirring area (4A) and diluting tank settling zone (4B), the diluting tank stirring area (4A) is equipped with stirring dress
It sets, import is connected with the dissolving tank shell pump (3), and outlet is connected with the diluting tank settling zone (4B) by overflow
It connects；Water outlet pump (5) is connected with the top outlet of sewer of the diluting tank settling zone (4B)；Shell pump (6), with the dilution
The lower part sludge outlet of pond settling zone (4B) is connected；The quenched pond of sludge (7) is filled equipped with agitating device and sludge adjusting material dosing
It sets (8), import is connected with the shell pump (6), and outlet is furnished with quenched sludge pump (9)；Sludge dehydration device (10),
Import is connected with the quenched sludge pump (9)；The quenched pond of solution (11) is divided into solution stirring area (11A) and solution settling zone
(11B), the solution stirring area (11A) be furnished with agitating device and solution adjusting material chemicals dosing plant (12), import and it is described go out
Water pump (5) is connected, and outlet is connected with the solution settling zone (11B) by overflow；Quenched liquid water outlet pump (13), with institute
The top outlet of sewer for stating solution settling zone (11B) is connected；Quenched precipitating shell pump (14), with the solution settling zone
The lower part sludge outlet of (11B) is connected；Flocculating agent preparing apparatus (15), import and quenched precipitating shell pump (14) phase
Connection；Sewage-treatment plant (16), import and the quenched liquid water outlet pump (13), the sludge dehydration device (10) liquid discharge
Mouth is connected with the flocculating agent preparing apparatus (15) liquid outlet, and outlet is furnished with water pump (17) and outer row pipeline, the water
Pump (17) is connected with the import of diluting tank stirring area (4A).
2. municipal sludge according to claim 1 is reduced dewatering system, which is characterized in that the quenched pond of sludge (7) is also
Equipped with flocculant chemicals dosing plant (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910721200.9A CN110436744A (en) | 2019-08-06 | 2019-08-06 | Municipal sludge reduction and dehydration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910721200.9A CN110436744A (en) | 2019-08-06 | 2019-08-06 | Municipal sludge reduction and dehydration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110436744A true CN110436744A (en) | 2019-11-12 |
Family
ID=68433409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910721200.9A Pending CN110436744A (en) | 2019-08-06 | 2019-08-06 | Municipal sludge reduction and dehydration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110436744A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112279486A (en) * | 2020-10-16 | 2021-01-29 | 大庆油田有限责任公司 | Container non-stop desilting and sludge reduction treatment device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1236748A1 (en) * | 2001-02-22 | 2002-09-04 | Ecole Polytechnique Federale De Lausanne | Polymer flocculents and preparation thereof |
| CN105238843A (en) * | 2015-11-09 | 2016-01-13 | 成都信息工程大学 | Microbial flocculant, preparation method and application thereof |
| CN206157006U (en) * | 2016-11-07 | 2017-05-10 | 天津壹新环保工程有限公司 | Utilize device of molysite preparation flocculating agent in mud |
| CN106746475A (en) * | 2016-12-07 | 2017-05-31 | 杨立亮 | Composite high-molecular Sludge Dewatering Flocculant and preparation method thereof |
| CN107721104A (en) * | 2017-10-20 | 2018-02-23 | 天津壹新环保工程有限公司 | Method and device for treating sludge in water supply plant |
| CN108059219A (en) * | 2016-11-07 | 2018-05-22 | 天津壹新环保工程有限公司 | A kind of molysite using in sludge prepares the method and device of flocculant |
| CN210764953U (en) * | 2019-08-06 | 2020-06-16 | 天津壹新环保工程有限公司 | Municipal sludge reduction and dehydration system |
-
2019
- 2019-08-06 CN CN201910721200.9A patent/CN110436744A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1236748A1 (en) * | 2001-02-22 | 2002-09-04 | Ecole Polytechnique Federale De Lausanne | Polymer flocculents and preparation thereof |
| CN105238843A (en) * | 2015-11-09 | 2016-01-13 | 成都信息工程大学 | Microbial flocculant, preparation method and application thereof |
| CN206157006U (en) * | 2016-11-07 | 2017-05-10 | 天津壹新环保工程有限公司 | Utilize device of molysite preparation flocculating agent in mud |
| CN108059219A (en) * | 2016-11-07 | 2018-05-22 | 天津壹新环保工程有限公司 | A kind of molysite using in sludge prepares the method and device of flocculant |
| CN106746475A (en) * | 2016-12-07 | 2017-05-31 | 杨立亮 | Composite high-molecular Sludge Dewatering Flocculant and preparation method thereof |
| CN107721104A (en) * | 2017-10-20 | 2018-02-23 | 天津壹新环保工程有限公司 | Method and device for treating sludge in water supply plant |
| CN210764953U (en) * | 2019-08-06 | 2020-06-16 | 天津壹新环保工程有限公司 | Municipal sludge reduction and dehydration system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112279486A (en) * | 2020-10-16 | 2021-01-29 | 大庆油田有限责任公司 | Container non-stop desilting and sludge reduction treatment device |
| CN112279486B (en) * | 2020-10-16 | 2022-12-27 | 大庆油田有限责任公司 | Container is not stopped production desilting and mud minimizing device |
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