CN110436744A - Municipal sludge is reduced dewatering system - Google Patents

Municipal sludge is reduced dewatering system Download PDF

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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
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CN
China
Prior art keywords
sludge
pump
quenched
outlet
solution
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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
Application number
CN201910721200.9A
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Chinese (zh)
Inventor
王学科
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
New Ingegneria Ambientale Srl In Tianjin One
Original Assignee
New Ingegneria Ambientale Srl In Tianjin One
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Priority to CN201910721200.9A priority Critical patent/CN110436744A/en
Publication of CN110436744A publication Critical patent/CN110436744A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents

Abstract

The present invention provides a kind of municipal sludge decrement dewatering system, including dissolving tank, lytic agent chemicals dosing plant, dissolving tank shell pump, diluting tank, diluting tank stirring area, diluting tank settling zone, water outlet pump, shell pump, the quenched pond of sludge, sludge adjusting material chemicals dosing plant, quenched sludge pump, sludge dehydration device, the quenched pond of solution, solution stirring area, solution settling zone, solution adjusting material chemicals dosing plant, quenched liquid water outlet pump, quenched precipitating shell pump, flocculating agent preparing apparatus, sewage-treatment plant and water pump, while improving dehydration property, reduce the dry weight of dehydrated sludge.

Description

Municipal sludge is reduced dewatering system
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).
CN201910721200.9A 2019-08-06 2019-08-06 Municipal sludge is reduced dewatering system Pending CN110436744A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910721200.9A CN110436744A (en) 2019-08-06 2019-08-06 Municipal sludge is reduced dewatering system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910721200.9A CN110436744A (en) 2019-08-06 2019-08-06 Municipal sludge is reduced dewatering system

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CN110436744A true CN110436744A (en) 2019-11-12

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Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 A kind of waterworks sludge processing method and device
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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 A kind of waterworks sludge processing method and device
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)

* Cited by examiner, † Cited by third party
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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