CN203513348U - Sludge water treatment and reuse system for settling pond - Google Patents

Sludge water treatment and reuse system for settling pond Download PDF

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Publication number
CN203513348U
CN203513348U CN201320587171.XU CN201320587171U CN203513348U CN 203513348 U CN203513348 U CN 203513348U CN 201320587171 U CN201320587171 U CN 201320587171U CN 203513348 U CN203513348 U CN 203513348U
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China
Prior art keywords
sludge
water treatment
settling pond
mud
spoil disposal
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CN201320587171.XU
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Chinese (zh)
Inventor
徐锋军
王润得
何毅
张学富
郭宇锋
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Zhejiang Tiandi Environmental Protection Technology Co Ltd
Original Assignee
ZHEJIANG DONGFA ENVIRONMENTAL PROTECTION ENGINEERING Co Ltd
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Abstract

The utility model relates to a water treatment system, and particularly relates to a sludge water treatment and reuse system for a settling pond, which is applicable to sludge water treatment and reuse for settling ponds in departments of municipal administration, electric power and the like, and mainly solves the technical problems of easy deposition of sludge in a sludge collection tank, incomplete sludge treatment, high operating cost, large floor area, low automatic degree and the like when a conventional sludge water system is used for treating the sludge water of the settling pond. The sludge water treatment and reuse system comprises the sludge collection tank (1). The sludge water treatment and reuse system is characterized in that the sludge collection tank (1) is communicated with a sludge concentrator (4) through a sludge lift pump (3) and a pipeline; a sludge outlet of the sludge concentrator is communicated with a sludge dehydrator (6) through a sludge pump (5) and the pipeline; a supernate outlet of the sludge concentrator is communicated with a recycling pond (7) through the pipeline; the recycling pond is communicated with the settling pond through a recycling pump (8) and the pipeline.

Description

The water treatment of a kind of settling pond spoil disposal and reclaiming system
Technical field
The utility model relates to a kind of water treatment system, especially relates to the settling pond spoil disposal water treatment of department and the water treatment of a kind of settling pond spoil disposal and the reclaiming systems of reuse such as being applicable to municipal administration, electric power.
Background technology
Settling pond spoil disposal water, can account for 3% left and right of whole system water treatment station water yield per day, as this part water is carried out to reuse, not only can saving water resource, improve the operation ability of water treatment station, also can reduce the quantity discharged of waste water, reduce environmental pollution, have broad application prospects.At present, Large Water Works both domestic and external, in when design, has much all been considered the reuse measures of factory effluent, but due to the problem of water quality, has the water factory of considerable part not have or seldom reuse.By rational treatment process is set, add suitable medicament, settling pond spoil disposal water is by can be used as the water inlet of settling pond after processing, with reuse.
Chinese patent discloses a kind of muddy water discharge high-efficient concentration tank (publication number: CN200920096112.6), it mainly improves spoil disposal water concentration basin, has improved mud-water separation effect, has increased the solid content of thickened sludge, the volume that has reduced concentration basin and area.Chinese patent discloses a kind of spoil disposal water treatment complex (publication number: CN201220174550.1) of gathering setting, it becomes the optimum combinations such as spoil disposal water equalizing tank, mud counterbalance cell, sludge thickener a kind of Integrated Processing Facility of a conglomerate, there is the relatively simple advantage of small accommodation area, convenient management, pipeline, realized the intensive processing of water purification plant's spoil disposal water.But these spoil disposal water systems are to settling pond spoil disposal, water treatment exists mud collecting tank mud easily to deposit, and sludge treatment is not thorough, and working cost is high, and floor space is large, the shortcoming that level of automation is not high.
Utility model content
The utility model is to provide the water treatment of a kind of settling pond spoil disposal and reclaiming system, it is mainly that to settling pond spoil disposal, water treatment exists mud collecting tank mud easily to deposit to the existing spoil disposal water system of solution prior art, sludge treatment is not thorough, working cost is high, floor space is large, the technical problem that level of automation is not high.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
A kind of settling pond spoil disposal of the present utility model water treatment and reclaiming system, comprise mud collecting tank, described mud collecting tank has sludge concentrator by sludge lifting pump, pipeline connection, the sludge outlet of sludge concentrator has sludge dewatering equipment by sludge pump, pipeline connection, the supernatant liquor outlet of sludge concentrator has recovery pond by pipeline connection, reclaims pond by recovered water pump, pipeline connection settling pond.After solid-liquid separation, supernatant liquor flows automatically to and reclaims pond, by recovered water pump supernatant liquor, is transported to the reuse of settling pond water distributing area.
As preferably, the filtrate outlet of described sludge dewatering equipment is by pipeline connection mud collecting tank.
As preferably, in described mud collecting tank, be provided with agitator, adopt umbellate form to stir aerator, its distinctive hyperbolic line and smooth surface are when advancing water body flow, drag minimization, current, through the stirring of impeller, form the plug-flow of even omnidirectional in bottom, pond, make current be vertical eddy flow state, its efficiency is also high.
As preferably, described sludge concentrator adopts steel or skeleton construction, and middle part is provided with center rotating mud scraper, in solid-liquid separation, is partly provided with inclined tube.Spoil disposal water after promoting dosing is by sludge thickener central draft tube, mud-water separation in sludge concentrator, sludge concentrator has feature: sludge concentrator can adopt steel or skeleton construction, middle part is provided with center rotating mud scraper, spoil disposal Shui Jingchi center stabilizing feed well all flows to surrounding, and mud scraper to mud collection area, utilizes hydraulic pressure that it is discharged from sludge pipe the sludge scraping collection of precipitation, in solid-liquid separation, inclined tube is partly set, to improve thickening efficiency.
As preferably, described sludge dewatering equipment adopts sleeping spiral shell centrifuge, is difficult for stopping up, and the concentrated and dehydration of applicable mud, when input concentration changes, adjusts automatically, and level of automation is high.
As preferably, the suction culvert of described sludge concentrator arranges flow signal inductor block and inlet valve; In sludge concentrator, be provided with the concentration signal inductor block in liquid level signal inductor block, mud-water separation district turbidity signal inductor and mud densification district, spoil disposal pipeline adopts flow regulating valve.
As preferably, the suction culvert of described sludge concentrator is provided with coagulant aids chemicals dosing plant, and the mud pipeline that enters of sludge dewatering equipment is provided with dewatering agent chemicals dosing plant.Coagulant aids adopts anionic polyacrylamide, molecular weight >=1,800 ten thousand, degree of hydrolysis 35-27%, matched proportion density 0.2%; Dewatering agent adopts cationic polyacrylamide, ion degree 60%, molecular weight >=1,500 ten thousand, matched proportion density 0.2%.
Therefore, the utility model, by by physico-chemical process, makes the water treatment of settling pond spoil disposal in mud collecting tank, be difficult for deposition, and sludge treatment is disposed thoroughly, and working cost is lower, and floor space is reasonable, and level of automation is high, and effluent quality meets into settling pond requirement.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of the present utility model.
Component, position and numbering in figure: mud collecting tank 1, agitator 2, sludge lifting pump 3, sludge concentrator 4, sludge pump 5, sludge dewatering equipment 6, recovery pond 7, recovered water pump 8, center rotating mud scraper 9, coagulant aids chemicals dosing plant 10, dewatering agent chemicals dosing plant 11.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: the water treatment of a kind of settling pond spoil disposal and the reclaiming system of this example, as Fig. 1, comprise mud collecting tank 1, in mud collecting tank, be provided with agitator 2, adopt umbellate form to stir aerator.Mud collecting tank has sludge concentrator 4 by sludge lifting pump 3, pipeline connection, and sludge concentrator adopts steel or skeleton construction, and middle part is provided with center rotating mud scraper 9, in solid-liquid separation, is partly provided with inclined tube.The suction culvert of sludge concentrator arranges flow signal inductor block and inlet valve; In sludge concentrator, be provided with the concentration signal inductor block in liquid level signal inductor block, mud-water separation district turbidity signal inductor and mud densification district, spoil disposal pipeline adopts flow regulating valve.The sludge outlet that the suction culvert of sludge concentrator is provided with coagulant aids chemicals dosing plant 10 sludge concentrators has sludge dewatering equipment 6 by sludge pump 5, pipeline connection, and sludge dewatering equipment adopts sleeping spiral shell centrifuge.The mud pipeline that enters of sludge dewatering equipment is provided with dewatering agent chemicals dosing plant 11.The supernatant liquor outlet of sludge concentrator has by pipeline connection the pond 7 of recovery, and the filtrate outlet of sludge dewatering equipment is by pipeline connection mud collecting tank.Reclaim pond by recovered water pump 8, pipeline connection settling pond.
Treatment step of the present utility model is:
A. settling pond spoil disposal water flows automatically to mud collecting tank 1, after stirring, by sludge lifting pump delivery, arrives sludge concentrator 4;
B. enter to enter mud Guan Shangjing before sludge concentrator 4 and add after coagulant aids, after mud and medicament hybrid reaction, be transported to sludge concentrator central draft tube, after central draft tube flocculates, muddy water is able to separation, and water outlet flows automatically to the effluent weir that is positioned at thickener surrounding;
C. sludge concentrator 4 effluent weir water outlets flow automatically to and reclaim pond 7, reclaim recovered water pump 8 in pond and water after processing are transported to settling pond water distributing area, reuse after mixing with former water;
D., mud scraper is set in sludge concentrator bottom mud is pooled to mud collection area, and by sludge pump 5 and pipeline by mud after adding dewatering agent, be transported to sludge dewatering equipment 6 and dewater, dewatered sludge outward transport after dehydration, filtrate collection flows automatically in mud collecting tank.
The foregoing is only specific embodiment of the utility model, but constitutional features of the present utility model is not limited to this, any those skilled in the art is in field of the present utility model, and the variation of doing or modification are all encompassed among the scope of the claims of the present utility model.

Claims (7)

1. settling pond spoil disposal water treatment and reclaiming system, comprise mud collecting tank (1), it is characterized in that described mud collecting tank (1) has sludge concentrator (4) by sludge lifting pump (3), pipeline connection, the sludge outlet of sludge concentrator has sludge dewatering equipment (6) by sludge pump (5), pipeline connection, the supernatant liquor outlet of sludge concentrator has recovery pond (7) by pipeline connection, reclaims pond by recovered water pump (8), pipeline connection settling pond.
2. a kind of settling pond spoil disposal according to claim 1 water treatment and reclaiming system, is characterized in that the filtrate outlet of described sludge dewatering equipment (6) is by pipeline connection mud collecting tank (1).
3. a kind of settling pond spoil disposal according to claim 1 and 2 water treatment and reclaiming system, is characterized in that being provided with agitator (2) in described mud collecting tank (1), adopts umbellate form to stir aerator.
4. a kind of settling pond spoil disposal according to claim 1 and 2 water treatment and reclaiming system, it is characterized in that described sludge concentrator (4) adopts steel or skeleton construction, middle part is provided with center rotating mud scraper (9), in solid-liquid separation, is partly provided with inclined tube.
5. a kind of settling pond spoil disposal according to claim 1 and 2 water treatment and reclaiming system, is characterized in that described sludge dewatering equipment (6) adopts sleeping spiral shell centrifuge.
6. a kind of settling pond spoil disposal according to claim 1 and 2 water treatment and reclaiming system, is characterized in that the suction culvert of described sludge concentrator (4) arranges flow signal inductor block and inlet valve; In sludge concentrator, be provided with the concentration signal inductor block in liquid level signal inductor block, mud-water separation district turbidity signal inductor and mud densification district, spoil disposal pipeline adopts flow regulating valve.
7. a kind of settling pond spoil disposal according to claim 1 and 2 water treatment and reclaiming system, the suction culvert that it is characterized in that described sludge concentrator (4) is provided with coagulant aids chemicals dosing plant (10), and the mud pipeline that enters of sludge dewatering equipment (6) is provided with dewatering agent chemicals dosing plant (11).
CN201320587171.XU 2013-09-23 2013-09-23 Sludge water treatment and reuse system for settling pond Active CN203513348U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320587171.XU CN203513348U (en) 2013-09-23 2013-09-23 Sludge water treatment and reuse system for settling pond

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320587171.XU CN203513348U (en) 2013-09-23 2013-09-23 Sludge water treatment and reuse system for settling pond

Publications (1)

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CN203513348U true CN203513348U (en) 2014-04-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109809542A (en) * 2017-11-21 2019-05-28 东莞顺裕纸业有限公司 A kind of chemical sludge concentration device and its treatment process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109809542A (en) * 2017-11-21 2019-05-28 东莞顺裕纸业有限公司 A kind of chemical sludge concentration device and its treatment process

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20201012

Address after: No.99, Huaxing Road, Xihu District, Hangzhou City, Zhejiang Province

Patentee after: Zhejiang Tiandi Environmental Protection Technology Co., Ltd

Address before: 311203, 19 floor, building 1, Pacific Plaza, No. 451 Jincheng Road, Xiaoshan District, Zhejiang, Hangzhou

Patentee before: ZHEJIANG DONGFA ENVIRONMENTAL PROTECTION ENGINEERING Co.,Ltd.

TR01 Transfer of patent right