CN102644302A - Sludge processing system for watercourses and lakes and processing method thereof - Google Patents

Sludge processing system for watercourses and lakes and processing method thereof Download PDF

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Publication number
CN102644302A
CN102644302A CN2012100985983A CN201210098598A CN102644302A CN 102644302 A CN102644302 A CN 102644302A CN 2012100985983 A CN2012100985983 A CN 2012100985983A CN 201210098598 A CN201210098598 A CN 201210098598A CN 102644302 A CN102644302 A CN 102644302A
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water
sludge
sand
processing
river course
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CN2012100985983A
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CN102644302B (en
Inventor
叶伟武
王宋吉
张丽英
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HANGZHOU YINJIANG ENVIRONMENTAL TECHNOLOGY Co Ltd
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HANGZHOU YINJIANG ENVIRONMENTAL TECHNOLOGY Co Ltd
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Publication of CN102644302A publication Critical patent/CN102644302A/en
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Abstract

The invention relates to an environmental-friendly system, in particular to a sludge processing system for watercourses and lakes. The sludge processing system comprises a control system, a sludge hoisting device, a sludge water preprocessing device and a sludge water magnetic separation drying device, wherein the sludge hoisting device, the sludge water preprocessing device and the sludge water magnetic separation drying device are sequentially connected, the sludge hoisting device comprises a hoisting pump and a sludge suction head part, the sludge water preprocessing device comprises a dosing system, a coarse screen, a sand removing device and a coagulating device which are sequentially connected through pipelines, and the sludge water magnetic separation drying device comprises a magnetic separation device and a squeezing device. According to the sludge processing system disclosed by the invention, the water content ratio of processed sludge is less than 75%, the sludge body is reduced by nine tenths, the water body color of a black, smelly and high watercourse is obviously changed, the COD (Chemical Oxygen Demand) and the BOD (Biological Oxygen Demand) for processing outlet water are reduced by 40-45 %, and the water quality is clear. The sludge processing system disclosed by the invention is suitable for processing sludge and sewage of city landscape watercourses, artificial lake water bodies and city buildings and protecting the reservoir water source.

Description

A kind of river course, lake silt treatment system and processing method thereof
Technical field
The present invention relates to a kind of environment friendly system, especially a kind of river course, lake silt treatment system and processing method thereof.
Background technology
City river, lake pollution are startling, some river course even become sanitary sewage, household garbage discharging ditch, and river water body eutrophication, blackout are smelly, have a strong impact on productive life, influence city image.
(since 2007) in recent years; Urban waters administrative department has carried out a section dirt to the littoral sewage in river course, lake and has received pipe (comprise rubbish is concentrated clear); Revetment is afforested construction; Channel cleanout, the urban civilization image is greatly improved, water body improves, but fails to reach the clear water urban target.
A lot of money (over ten billion fund) have all dropped into; Why river does not also get up clearly; Can know that by analysing in depth the river water body pollutant has external source to pollute and endogenous pollution, external source is polluted dirty waste water, terrestrial reference runoff pollution of area source, air depositing dust, the household garbage that has zone, the network of waterways to flow into; Endogenous pollution is that river silt discharges pollution.Discover that river silt is divided into three layers: sediment layer (original bed), mud (husky and dead mud); Mud Layer (the main releasing layer of pollutant); The existing waterway desilting is mainly adopted digging machine, grab bucket, strand to inhale back employing ship and is transported to the stockyard precipitation process; Digging machine, grab bucket have mainly cleaned out solid refuse (branch weeds, building waste, stone sand, bed mud), and be splendid to dredging river, leveling riverbed effect, but few to removing the mud scum contribution of main pollution layer-----river course; And disturbance is very big, and the short-term river water quality worsens; The strand energy-absorbing is removed riverway sludge, mud scum, but the mud extraction moisture content is high, and freight is high, and river silt deposition storage space is big, and narrower, the many bridge of city inland river, and it is limited more that strand is inhaled ship.
Suit measures to local conditions to develop that a kind of river silt is collected, mud-water separation drying and other treatment system becomes the task of top priority, for environmental protection, ecocity construction high value is arranged, market prospects are wide.
Summary of the invention
The present invention is in order to solve defective and the deficiency that above-mentioned prior art exists; A kind of be used for river course, lake silt collection are provided; The mud-water separation drying and other treatment; Thereby reduce the pollution of river course mud scum, mud, reach river course, lake silt treatment system and the processing method thereof of purifying water body purpose water body.
Technical scheme of the present invention: a kind of river course, lake silt treatment system; Comprise that control system and the mud lifting appliance, muddy water pretreatment unit and the muddy water magnetic that connect successively separate desiccation apparatus; Said mud lifting appliance comprises lift pump and soil-suction head portion; Said muddy water pretreatment unit comprises medicine system, the coarse rack that connects successively through pipeline, remove sand device and coagulation device, and said muddy water magnetic separates desiccation apparatus and comprises magnetic separating device and pressing device.
Preferably, said coarse rack one side is provided with intake chamber, is used for removing the water slurry large granular impurity, and said soil-suction head portion is connected with intake chamber through pipeline, and said medicine system is arranged on the intake chamber.
Preferably, said device one side of removing sand is provided with effluent trough, and said coagulation device is arranged on the effluent trough afterbody.
Preferably, said coarse rack one side bottom is provided with the impurity collecting vessel, and the said bottom of device of removing sand is provided with sand outlet.
Preferably, said magnetic separating device and pressing device cooperatively interact, and said pressing device one side is provided with mud guiding plate, and said magnetic separating device one side is provided with clear water output.
The processing method of a kind of river course, lake silt treatment system the steps include:
1) soil-suction head portion is inserted floating mud and collect muddy water, muddy water promotes from intake chamber through lift pump and gets into the muddy water pretreatment unit, and the chemicals dosing plant on the intake chamber adds in muddy water and contains magnetisable material;
2) coarse rack of muddy water pretreatment unit is removed the thick impurity in the muddy water; The device that removes sand is removed the sand in the muddy water; The device water outlet of removing sand is flowed out through effluent trough, and the device water outlet of removing sand gets into coagulation device through pipeline, and coagulation device will contain magnetisable material and remove sand the thorough coagulation of device water outlet;
3) the coagulation device water outlet flows into magnetic separating device through pipeline, and magnetic separating device is with residual sludge and separated form water, and mud is through pressing device squeezing mummification, and the mummification clod is discharged along mud guiding plate; Clear water flows back to the river course through delivery port.
Preferably, said step 2) the middle thick impurity process impurity collecting vessel collection back Unified Treatment that produces, step 2) the middle sand process sand outlet discharge that produces.
Preferably, the magnetisable material that contains said step 2) is a Nd-Fe-B magnetic pole.
Preferably, magnetic separating device and the pressing device in the said step 3) is used.
Less than 75%, the mud body is reduced into 1/10 through the mud extraction moisture content after the present invention's processing, black smelly high river water body color remarkable improvement, and treatment yielding water COD (COD) and biochemical oxygen demand (BOD) (BOD) descend 40~45%, and water quality is limpid.The present invention is applicable to civic landscape river course, artificial lake water body, the improvement of urban architecture mud sewage; The protection at reservoir water source.
Beneficial effect of the present invention:
1. the silt mud scum promotes the efficient height, and is little to water disturbance;
2. system moves continuously, and equipment volume is little, and investment cost is low;
3. the mud extraction moisture content is low, reduces cost of transportation.
4. effluent quality is greatly improved, and treatment yielding water COD (COD) and biochemical oxygen demand (BOD) (BOD) descend 40~45%, and water quality is limpid;
5. system energy consumption is low, and operating cost is low;
6. can be according to process lot size, modular increase and decrease number of devices.
Description of drawings
Fig. 1 is the structural representation of system of the present invention;
Fig. 2 is the vertical view of Fig. 1.
1. soil-suction head portions among the figure, 2. lift pump, 3. coarse rack, 4. remove sand device, 5. medicine system; 6. coagulation device, 7. pressing device, 8. magnetic separating device, 9. intake chamber; 10. effluent trough, 11. impurity collecting vessels, 12. mud guiding plates, 13. clear water outputs; 14. sand outlet, 15. Mud Layer, 16. muds, 17. sediment layer.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further detailed explanation, but be not restriction protection domain of the present invention.
As illustrated in fig. 1 and 2; A kind of river course, lake silt treatment system; Comprise that control system and the mud lifting appliance, muddy water pretreatment unit and the muddy water magnetic that connect successively separate desiccation apparatus; The mud lifting appliance comprises lift pump 2 and soil-suction head portion 1, and the muddy water pretreatment unit comprises medicine system 5, the coarse rack 3 that connects successively through pipeline, remove sand device 4 and coagulation device 6, and muddy water magnetic separates desiccation apparatus and comprises magnetic separating device 8 and pressing device 7.Coarse rack 3 left sides are provided with intake chamber 9, and soil-suction head portion 1 is connected with intake chamber 9 through pipeline, and medicine system 5 is arranged on the intake chamber 9.Device 4 right sides of removing sand are provided with effluent trough 10, and coagulation device 6 is arranged on effluent trough 10 afterbodys.Bottom, coarse rack 3 right sides is provided with impurity collecting vessel 11, and device 4 bottoms of removing sand are provided with sand outlet 14.Magnetic separating device 8 cooperatively interacts with pressing device 7, and pressing device 7 right sides are provided with mud guiding plate 12, and magnetic separating device 8 right sides are provided with clear water output 13.
The processing method of a kind of river course, lake silt treatment system the steps include:
1) soil-suction head portion 1 is inserted Mud Layer 15 and collect muddy water with mud 16, muddy water promotes from intake chamber 9 through lift pump 2 and gets into the muddy water pretreatment unit, and the chemicals dosing plant 5 on the intake chamber 9 adds in muddy water and contains magnetisable material;
2) the thick impurity in the coarse rack 3 removal muddy water of muddy water pretreatment unit; The sand that the device 4 that removes sand is removed in the muddy water; The device water outlet of removing sand is flowed out through effluent trough 10, and the device water outlet of removing sand gets into coagulation device 6 through pipeline, and coagulation device 6 will contain magnetisable material and remove sand the thorough coagulation of device water outlet;
3) the coagulation device water outlet flows into magnetic separating device 8 through pipeline, and magnetic separating device 8 is with residual sludge and separated form water, and mud is through pressing device 7 squeezing mummification, and the mummification clod is discharged along mud guiding plate 12; Clear water flows back to the river course through clear water output 13.
Step 2) the thick impurity that produces in is collected back Unified Treatment, step 2 through impurity collecting vessel 11) in the sand that produces discharge step 2 through sand outlet 14) in the magnetisable material that contains be Nd-Fe-B magnetic pole, the magnetic separating device 8 in the step 3) is used with pressing device 7.
Less than 75%, the mud body is reduced into 1/10 through the mud extraction moisture content after the present invention's processing, black smelly high river water body color remarkable improvement, and treatment yielding water COD (COD) and biochemical oxygen demand (BOD) (BOD) descend 40~45%, and water quality is limpid.
The present invention is applicable to civic landscape river course, artificial lake water body, the improvement of urban architecture mud sewage; The protection at reservoir water source.

Claims (9)

1. a river course, lake silt treatment system; Comprise that control system and the mud lifting appliance, muddy water pretreatment unit and the muddy water magnetic that connect successively separate desiccation apparatus; It is characterized in that: said mud lifting appliance comprises lift pump and soil-suction head portion; Said muddy water pretreatment unit comprises medicine system, the coarse rack that connects successively through pipeline, remove sand device and coagulation device, and said muddy water magnetic separates desiccation apparatus and comprises magnetic separating device and pressing device.
2. a kind of river course according to claim 1, lake silt treatment system is characterized in that: said coarse rack one side is provided with intake chamber, and said soil-suction head portion is connected with intake chamber through pipeline, and said medicine system is arranged on the intake chamber.
3. a kind of river course according to claim 1, lake silt treatment system is characterized in that: said device one side of removing sand is provided with effluent trough, and said coagulation device is arranged on the effluent trough afterbody.
4. a kind of river course according to claim 1, lake silt treatment system is characterized in that: said coarse rack one side bottom is provided with the impurity collecting vessel, and the said bottom of device of removing sand is provided with sand outlet.
5. a kind of river course according to claim 1, lake silt treatment system is characterized in that: said magnetic separating device and pressing device cooperatively interact, and said pressing device one side is provided with mud guiding plate, and said magnetic separating device one side is provided with clear water output.
6. the processing method of a kind of river course according to claim 1, lake silt treatment system is characterized in that: the steps include:
1) soil-suction head portion is inserted floating mud and collect muddy water, muddy water promotes from intake chamber through lift pump and gets into the muddy water pretreatment unit, and the chemicals dosing plant on the intake chamber adds in muddy water and contains magnetisable material;
2) coarse rack of muddy water pretreatment unit is removed the thick impurity in the muddy water; The device that removes sand is removed the sand in the muddy water; The device water outlet of removing sand is flowed out through effluent trough, and the device water outlet of removing sand gets into coagulation device through pipeline, and coagulation device will contain magnetisable material and remove sand the thorough coagulation of device water outlet;
3) the coagulation device water outlet flows into magnetic separating device through pipeline, and magnetic separating device is with residual sludge and separated form water, and mud is through pressing device squeezing mummification, and the mummification clod is discharged along mud guiding plate; Clear water flows back to the river course through clear water output.
7. the processing method of a kind of river course according to claim 6, lake silt treatment system is characterized in that: the thick impurity that produces said step 2) is collected back Unified Treatment, step 2 through the impurity collecting vessel) in the sand that produces discharge through sand outlet.
8. the processing method of a kind of river course according to claim 6, lake silt treatment system is characterized in that: the magnetisable material that contains said step 2) is a Nd-Fe-B magnetic pole.
9. the processing method of a kind of river course according to claim 6, lake silt treatment system is characterized in that: magnetic separating device and pressing device in the said step 3) are used.
CN201210098598.3A 2012-04-06 2012-04-06 Sludge processing system for watercourses and lakes and processing method thereof Active CN102644302B (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102814316A (en) * 2012-08-29 2012-12-12 北京百氏源环保技术有限公司 Method for pipe network sludge reduction treatment
CN102826705A (en) * 2012-09-24 2012-12-19 柳州市环源利环境资源技术开发有限公司 Treatment method for tail slurry of blast furnace dust
CN103351090A (en) * 2013-07-15 2013-10-16 江苏聚慧科技有限公司 Method and device for collecting and treating sludge in shallow lake
CN104724893A (en) * 2015-03-06 2015-06-24 三川德青科技有限公司 Dredging and classified dewatering treatment method and system for sludge in urban river box culvert
CN105110461A (en) * 2015-09-14 2015-12-02 安徽雷克环境科技有限公司 Separation-type sediment elution and purification device
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
CN106006873A (en) * 2016-05-25 2016-10-12 安徽普氏生态环境工程有限公司 Magnetic separation river channel treatment system
CN107217697A (en) * 2017-07-25 2017-09-29 芜湖皖桥园艺有限责任公司 A kind of quick silt remover in river course
CN107724447A (en) * 2017-09-27 2018-02-23 扬州大学 The small-sized channel cleanout in south and dirt water farmland utilization system and its application method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101070219A (en) * 2007-02-14 2007-11-14 边兴旺 Silt processing method
CN201258503Y (en) * 2008-07-21 2009-06-17 谭胜伟 Environment protection dredging boat for river
CN101851052A (en) * 2010-07-01 2010-10-06 江苏润宏江河工程项目管理有限公司 Method for treating silt

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101070219A (en) * 2007-02-14 2007-11-14 边兴旺 Silt processing method
CN201258503Y (en) * 2008-07-21 2009-06-17 谭胜伟 Environment protection dredging boat for river
CN101851052A (en) * 2010-07-01 2010-10-06 江苏润宏江河工程项目管理有限公司 Method for treating silt

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102814316A (en) * 2012-08-29 2012-12-12 北京百氏源环保技术有限公司 Method for pipe network sludge reduction treatment
CN102826705A (en) * 2012-09-24 2012-12-19 柳州市环源利环境资源技术开发有限公司 Treatment method for tail slurry of blast furnace dust
CN103351090A (en) * 2013-07-15 2013-10-16 江苏聚慧科技有限公司 Method and device for collecting and treating sludge in shallow lake
CN104724893A (en) * 2015-03-06 2015-06-24 三川德青科技有限公司 Dredging and classified dewatering treatment method and system for sludge in urban river box culvert
CN105110461A (en) * 2015-09-14 2015-12-02 安徽雷克环境科技有限公司 Separation-type sediment elution and purification device
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
CN106006873A (en) * 2016-05-25 2016-10-12 安徽普氏生态环境工程有限公司 Magnetic separation river channel treatment system
CN107217697A (en) * 2017-07-25 2017-09-29 芜湖皖桥园艺有限责任公司 A kind of quick silt remover in river course
CN107724447A (en) * 2017-09-27 2018-02-23 扬州大学 The small-sized channel cleanout in south and dirt water farmland utilization system and its application method

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