CN102121256B - Suction sludge dewatering sand dredger - Google Patents

Suction sludge dewatering sand dredger Download PDF

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Publication number
CN102121256B
CN102121256B CN2011100847832A CN201110084783A CN102121256B CN 102121256 B CN102121256 B CN 102121256B CN 2011100847832 A CN2011100847832 A CN 2011100847832A CN 201110084783 A CN201110084783 A CN 201110084783A CN 102121256 B CN102121256 B CN 102121256B
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China
Prior art keywords
unit
dewatering
sludge
dredger
strand
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Expired - Fee Related
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CN2011100847832A
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Chinese (zh)
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CN102121256A (en
Inventor
吴燕
刘禹杨
李妍
刘银
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Tianjin University of Science and Technology
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Tianjin University of Science and Technology
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Priority to CN2011100847832A priority Critical patent/CN102121256B/en
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Publication of CN102121256B publication Critical patent/CN102121256B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to a suction sludge dewatering sand dredger which is characterized in that a sludge processing device is arranged on a boat body and comprises an extracting unit, a sieving unit, a heavy metal processing unit, a dewatering unit, a deodorizing unit, a dewatered sludge collecting unit and a wastewater processing and discharging unit. In the invention, the integral design of sediment dewatering processing device for urban landscape water pollution is realized; the sludge is immediately dried and dewatered while dredging; and the processed sludge can be directly used in the agricultural field, therefore, the pollution on the environment is avoided.

Description

A kind of strand is inhaled formula sludge dewatering dredger
Technical field
The invention belongs to dredger, particularly a kind of strand is inhaled formula sludge dewatering dredger.
Background technology
Along with The development in society and economy, it is more and more serious that the water quality of landscape water in China city and the suburbs worsens phenomenon.In order to improve the water pollution situation, control landscape water body endogenous pollution, bed mud are dredged as a kind of thorough governing measure in polluting treating landscape water body and recovering, and are selected for use by the treating landscape water body engineering just more and more.According to incompletely statistics, only the lake of 1998~2005 years environmental dredgings just reaches 40, relates to more than 20 in city, dredges out about 3758.3 ten thousand m of bed mud of lake body 3Bed mud is a main body with the organic matter, contains a large amount of hazardous substancess such as pathogen, virus, parasitic ovum, if can not effectively be disposed, causes secondary pollution unavoidably, and this makes bed mud dispose and resource becomes inevitable; Simultaneously, be rich in organic elements such as nitrogen, phosphorus in such bed mud, also have the metallic element of certain content, this has created objective condition for the resource of bed mud.As one of core content of environmental dredging, innoxious, the resource of pollution by dredging bed mud has become new difficult point, new challenge in the comprehensive environmental improvement work.
City appearance water body dredging bed mud water content is up to more than 95%; Adopt the mud after mechanical fast dewatering is handled significantly to subtract appearance; It is original 1/4~1/5 that volume can be compressed to, and stable performance, odorless, no causal organism, alleviated second environmental pollution greatly.Compare with cities such as sewage sludge, industrial residue are useless admittedly; The pollutant component of landscape water body dredging bed mud is simple; Content is low; Physicochemical property and soil are approaching, and wherein nutriments such as organic matter, nitrogen, phosphorus are abundant, can increase land fertility, the farming performance of improving the soil, practice thrift a large amount of disposal costs.Therefore the farmland input is a kind of resource recycling approach that meets continuable development principle.
Aspect sludge dewatering, Japan develops portable continuous dehydration ship, and mud dehydration plant is laid aboard ship; Make equipment have mobility; Can add harmless agglutinant with concentrating the mud that is poured in the water to collect the coagulation sedimentation groove continuously, reach requirement through vacuum dehydration.Aspect the heavy metal removal; Worked out both at home and abroad a series ofly be easy to grasp, chemical method simple to operate; Promptly throw in chemical agent heavy metal in the mud is transformed to soluble ionic state or complex ion attitude by the compound of soluble attitude, reach the purpose that reduces content of beary metal.But current advanced both at home and abroad dredger is just collected mud and transportation, can not it in time be handled to reach dehydration indexes, can not realize content of beary metal is controlled at below the agricultural standards.
Summary of the invention
The object of the invention is to overcome the weak point of prior art, provide a kind of design science rationally, clean environment firendly, strand easy to use inhale formula sludge dewatering dredger, this strand suction formula sludge dewatering dredger has collection, processing and the transportation function of mud concurrently.
The present invention realizes that the technical scheme of purpose is:
A kind of strand is inhaled formula sludge dewatering dredger; It is characterized in that: the sludge treatment device is installed in hull; This sludge treatment device comprises extracting unit, sieve unit, dewatering unit, deodorizing unit, dewatered sludge collector unit, wastewater treatment exhaust unit; The self-priming sludge pump of extracting unit is communicated with twisting sucker head and stretches out hull bottom, and the self-priming sludge pump is communicated with the vibrosieve of sieve unit, and this vibrosieve is communicated with sand storage tank; Vibrosieve is through the belt filter press of pipeline connection dewatering unit, and belt filter press is communicated with the wastewater treatment exhaust unit; Belt filter press directly connects Vibratingfluidbeddrier, and the mud outlet of this Vibratingfluidbeddrier connects the storage mud jar of dewatered sludge collector unit; Be connected with the active carbon deodoriser on the air outlet slit of Vibratingfluidbeddrier.
And strand according to claim 1 is inhaled formula sludge dewatering dredger, it is characterized in that: on the vibrosieve of said sieve unit and the pipeline between the dewatering unit heavy metal processing unit is housed.
And, on the pipeline between said heavy metal processing unit and the dewatering unit dosing unit is housed.
And said wastewater treatment exhaust unit is made up of clarifier and flow meter.
And the Vibratingfluidbeddrier of said dewatering unit is equipped with wastewater discharge pipe, and links to each other with the discharge pipe line of belt filter press.
And, on the pipeline between the Vibratingfluidbeddrier of said dewatered sludge collector unit and the storage mud jar moisture content detector is installed.
And, the hydraulic control device of control hull location is housed on the said hull.
Advantage of the present invention and good effect are:
1. strand according to the invention is inhaled formula sludge dewatering dredger with hull and the combination of sludge treatment device, forms a kind of take into account to dredge dredge and the novel dredger of processed, can mobile operating; And have concurrently and dredge and the processed function, make more convenient to operately, quick, the present invention is strong to operating environment compliance; And make faster and more convenient operation; Handle through mechanization, improved treatment effeciency, practice thrift manpower.
2. strand according to the invention is inhaled formula sludge dewatering dredger, and mud water content and content of beary metal after the processing all satisfy the mud agricultural standards, and the dried mud water content after can detecting displacement and handling, and can directly transport to be used for the farmland input.
3. the present invention has realized the integration design of city appearance water body polluted bed mud dehydration treatment equipment, in dredging silt, dehydrates immediately, and the mud after the processing can directly be transported to agricultural input, has avoided pollution on the environment.
Description of drawings
Fig. 1 is an external structure sketch map of the present invention;
Fig. 2 is the structural representation of sludge treatment device of the present invention.
The specific embodiment
Be described in detail embodiments of the invention below in conjunction with accompanying drawing; Need to prove that present embodiment is narrative, is not determinate, can not limit protection scope of the present invention with this.
A kind of strand is inhaled formula sludge dewatering dredger, comprises that hull 3 reaches the hydraulic control device 2 of the control hull location of on hull, installing, the control room 4 of installation electrical control system.
Innovative point of the present invention is:
Sludge treatment device 5 is installed on hull, and this sludge treatment device comprises extracting unit, sieve unit, heavy metal processing unit, dosing unit, dewatering unit, deodorizing unit, dewatered sludge collector unit, wastewater treatment exhaust unit.The self-priming sludge pump 6 of extracting unit is communicated with the twisting sucker head 1 of the sludge treatment device of installing alow, and this twisting sucker head stretches out hull bottom and is communicated with landscape water body, extracts the higher muddy water of mud content; The muddy water that is drawn into gets into the vibrosieve 7 of sieve unit through the self-priming sludge pump, and through this bolting, sand is tackled and toppled in the sand storage tank 9; On the vibrosieve of sieve unit and the pipeline between the dewatering unit heavy metal processing unit is housed, this heavy metal processing unit reduces the content of beary metal of muddy water in the pipeline by heavy metal treating apparatus 8 and pipeline connection; The dosing unit is housed on the pipeline between heavy metal processing unit and the dewatering unit, and this dosing unit adds pipeline by Scatula 10 and pipeline connection through the dosing in the valve control Scatula; Vibrosieve connects the belt filter press 11 of dewatering unit through pipeline; Belt filter press is communicated with Vibratingfluidbeddrier 15; Belt filter press is communicated with the wastewater treatment exhaust unit; The wastewater treatment exhaust unit is made up of the clarifier 13 and the wastewater discharge pipe of being installed 14 pipelines such as grade of Vibratingfluidbeddrier, and this wastewater discharge pipe links to each other with the discharge pipe line of the other end of belt filter press; On the pipeline that is communicated with clarifier, flow meter 12 is installed, the wastewater discharge pipe of this clarifier is communicated with landscape water body; The mud outlet of this Vibratingfluidbeddrier connects the storage mud jar 17 of dewatered sludge collector unit, on the pipeline between this Vibratingfluidbeddrier and the storage mud jar moisture content detector 16 is installed; Be connected with an active carbon deodoriser 18 on the air outlet slit of Vibratingfluidbeddrier.
Dredging method of the present invention is:
During dredged channel mud, with the hull location, the dredging tube that will have twisting sucker head is put in the landscape water body bed mud earlier; Open the self-priming sludge pump, the mud that suction comes up sieves processing through vibrosieve, and will intercept the sand removal in sand storage tank; Sand storage tank is equipped with the automatic sensing device; In the time will being full of, timely cleaning is convenient in the prompting that gives the alarm.The mud that screens gets into the heavy metal treating apparatus to reduce content of beary metal; Mix in pipeline with an amount of flocculant that Scatula is thrown in again; Get into belt filter press subsequently and carry out press filtration; The waste water that leaches discharges back landscape water body after reaching the view water quality standard by the processing of the clarifier on the wastewater discharge pipe, and by displacement under the cmf record.Slice gets into Vibratingfluidbeddrier and further dewaters after the press filtration, under the vibration force effect, and slice along continuous straight runs throwing continuous motion forward, hot blast is upward through fluid bed and slice heat exchange, and the air active carbon deodoriser of flowing through is discharged into outdoor.Pour storage mud jar sealed storage after dried mud detects through moisture content detector into, can directly be transported to agricultural input.
The parts that present embodiment is not described in detail are prior art.

Claims (7)

1. one kind is twisted suction formula sludge dewatering dredger; It is characterized in that: the sludge treatment device is installed in hull; This sludge treatment device comprises extracting unit, sieve unit, dewatering unit, deodorizing unit, dewatered sludge collector unit, wastewater treatment exhaust unit; The self-priming sludge pump of extracting unit is communicated with twisting sucker head and stretches out hull bottom, and the self-priming sludge pump is communicated with the vibrosieve of sieve unit, and this vibrosieve is communicated with sand storage tank; Vibrosieve is through the belt filter press of pipeline connection dewatering unit, and belt filter press is communicated with the wastewater treatment exhaust unit; Belt filter press directly connects Vibratingfluidbeddrier, and the mud outlet of this Vibratingfluidbeddrier connects the storage mud jar of dewatered sludge collector unit; Be connected with the active carbon deodoriser on the air outlet slit of Vibratingfluidbeddrier.
2. strand according to claim 1 is inhaled formula sludge dewatering dredger, it is characterized in that: on the vibrosieve of said sieve unit and the pipeline between the dewatering unit heavy metal processing unit is housed.
3. strand according to claim 2 is inhaled formula sludge dewatering dredger, it is characterized in that: on the pipeline between said heavy metal processing unit and the dewatering unit dosing unit is housed.
4. strand according to claim 1 is inhaled formula sludge dewatering dredger, and it is characterized in that: said wastewater treatment exhaust unit is made up of clarifier and flow meter.
5. strand according to claim 1 is inhaled formula sludge dewatering dredger, and it is characterized in that: the Vibratingfluidbeddrier of said dewatering unit is equipped with wastewater discharge pipe, and links to each other with the discharge pipe line of belt filter press.
6. strand according to claim 1 is inhaled formula sludge dewatering dredger, it is characterized in that: on the pipeline between the Vibratingfluidbeddrier of said dewatered sludge collector unit and the storage mud jar moisture content detector is installed.
7. strand according to claim 1 is inhaled formula sludge dewatering dredger, it is characterized in that: the hydraulic control device that control hull location is housed on the said hull.
CN2011100847832A 2011-04-06 2011-04-06 Suction sludge dewatering sand dredger Expired - Fee Related CN102121256B (en)

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CN2011100847832A CN102121256B (en) 2011-04-06 2011-04-06 Suction sludge dewatering sand dredger

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Application Number Priority Date Filing Date Title
CN2011100847832A CN102121256B (en) 2011-04-06 2011-04-06 Suction sludge dewatering sand dredger

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CN102121256A CN102121256A (en) 2011-07-13
CN102121256B true CN102121256B (en) 2012-06-27

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Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102267797B (en) * 2011-07-25 2013-03-27 中国船舶重工集团公司第七○二研究所 Integral process for ecologically desilting and curing sludge
CN102775040B (en) * 2012-08-02 2013-11-13 上海市离心机械研究所有限公司 Shipborne centrifugal dewatering system
CN103588367B (en) * 2013-12-02 2014-11-19 山东省环境保护科学研究设计院 Multistage self-control ex-situ treatment system for screening heavy metal-contaminated sediment
TWI611076B (en) * 2014-05-09 2018-01-11 Continuous wall inferior concrete first environmental protection method
CN104594420A (en) * 2014-12-07 2015-05-06 宁波保税区华萌生物科技有限公司 Cleaning device for sludge in fishpond
CN105275036A (en) * 2015-11-06 2016-01-27 江苏一品环保科技有限公司 River channel dredging and fertilizer making system
CN106242239B (en) * 2016-08-01 2018-05-08 中电建水环境治理技术有限公司 River and lake pool gushes polluted bed mud industrial treatment and regenerative system
CN107265800A (en) * 2017-07-03 2017-10-20 江门市三清环境技术工程有限公司 A kind of river and lake silt innocuity disposal system and method
CN107989089A (en) * 2017-12-15 2018-05-04 杨志静 A kind of desilting equipment for hydraulic engineering
CN108911461A (en) * 2018-06-25 2018-11-30 安徽中环环保科技股份有限公司 A kind of mercury object original position abatement disposition ship
CN108930297A (en) * 2018-07-27 2018-12-04 龙娇 A kind of channel cleanout purification system
CN111809678B (en) * 2020-07-08 2021-04-06 山东交通学院 Full-automatic dredger with screening plant

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JPH10118698A (en) * 1996-10-17 1998-05-12 Mitsubishi Heavy Ind Ltd Dam sludge and sand discharging facility
JP3743002B2 (en) * 2000-11-07 2006-02-08 新日本製鐵株式会社 Mud etc. treatment method and its treatment equipment
CN101314950B (en) * 2008-05-19 2010-12-08 中港疏浚股份有限公司 Low concentration drain off system of harrow suction dredge boat
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CN201291991Y (en) * 2008-11-26 2009-08-19 张志国 Sullage digging pumping vessel for ocean intertidal zone
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