CN102644302B - 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 PDFInfo
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- CN102644302B CN102644302B CN201210098598.3A CN201210098598A CN102644302B CN 102644302 B CN102644302 B CN 102644302B CN 201210098598 A CN201210098598 A CN 201210098598A CN 102644302 B CN102644302 B CN 102644302B
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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
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, and some river course has even become sanitary sewage, household garbage discharge ditch, river water body eutrophication, turn black smellyly, have a strong impact on productive life, affect 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 in refuse collecting and clearing), revetment is afforested construction, channel cleanout, urban civilization image is greatly improved, water body improves, but could not reach clear water urban target.
A lot of money (over ten billion fund) has all dropped into, why river does not also get up clearly, from analysing in depth, river water body pollutant has external source to pollute and endogenous pollution, and external source is polluted dirty waste water, terrestrial reference runoff pollution of area source, air depositing dust, the household garbage that has region, the network of waterways to flow into; Endogenous pollution is that river silt discharges pollution.Research finds 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); existing waterway desilting adopts ship to be transported to stockyard precipitation process after mainly adopting digging machine, grab bucket, strand to inhale; digging machine, grab bucket have mainly cleaned out solid refuse (branch weeds, building waste, stone sand, bed mud); 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, short-term river water quality worsens; Strand energy-absorbing is removed riverway sludge, mud scum, but mud extraction moisture content is high, and freight is high, and river silt precipitation storage space is large, 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, Construction of Eco-urban, have high value, market prospects are wide.
Summary of the invention
Defect and deficiency that the present invention exists in order to solve above-mentioned prior art, providing a kind of collects for river course, lake silt, mud-water separation drying and other treatment, thereby reduce river course mud scum, the pollution of mud to water body, reach river course, lake silt treatment system and the processing method thereof of purifying water body object.
Technical scheme of the present invention: a kind of river course, lake silt treatment system, comprise control system and the mud lifting appliance, muddy water pretreatment unit and the separated desiccation apparatus of muddy water magnetic that connect successively, described mud lifting appliance comprises lift pump and soil-suction head portion, described muddy water pretreatment unit comprises medicine system, coarse rack, sand-removal device and the coagulation device connecting successively by pipeline, and the separated desiccation apparatus of described muddy water magnetic comprises magnetic separating device and pressing device.
Preferably, described coarse rack one side is provided with intake chamber, and for removing water slurry large granular impurity, described soil-suction head portion is connected with intake chamber by pipeline, and described medicine system is arranged on intake chamber.
Preferably, described sand-removal device one side is provided with effluent trough, and described coagulation device is arranged on effluent trough afterbody.
Preferably, described coarse rack one side bottom is provided with impurity collecting vessel, and described sand-removal device bottom is provided with sand outlet.
Preferably, described magnetic separating device and pressing device cooperatively interact, and described pressing device one side is provided with mud guiding plate, and described magnetic separating device one side is provided with clear water output.
A processing method for river course, lake silt treatment system, the steps include:
1) soil-suction head portion is inserted to floating mud and collect muddy water, muddy water promotes and enters muddy water pretreatment unit from intake chamber through lift pump, and the chemicals dosing plant on intake chamber adds containing magnetisable material in muddy water;
2) coarse rack of muddy water pretreatment unit is removed the thick impurity in muddy water, sand-removal device is removed the sand in muddy water, sand-removal device water outlet is flowed out through effluent trough, and sand-removal device water outlet enters coagulation device by pipeline, and coagulation device will be containing magnetisable material and the thorough coagulation of sand-removal device water outlet;
3) coagulation device water outlet flows into magnetic separating device through pipeline, and magnetic separating device is separated with water by residual sludge, and mud is through pressing device squeezing mummification, and mummification clod is discharged along mud guiding plate; Clear water flows back to river course through delivery port.
Preferably, described step 2) the unification processing after the collection of impurity collecting vessel of the middle thick impurity producing, step 2) the middle sand process sand outlet discharge producing.
Preferably, described step 2) is Nd-Fe-B magnetic pole containing magnetisable material.
Preferably, magnetic separating device and the pressing device in described step 3) is used in conjunction with.
Mud extraction moisture content after the present invention processes is less than 75%, and mud body is reduced into 1/10, and the remarkable improvement of black smelly high river water body color is processed water outlet COD (COD) and biochemical oxygen demand (BOD) (BOD) and declined 40～45%, and water quality is limpid.The present invention is applicable to urban landscape rivers, artificial lake water body, the improvement of urban architecture mud sewage; The protection at reservoir water source.
Beneficial effect of the present invention:
1. silt mud scum raising efficiency is high, little to water disturbance;
2. system is moved continuously, and equipment volume is little, and investment cost is low;
3. mud extraction moisture content is low, reduces cost of transportation.
4. effluent quality is greatly improved, and processes water outlet COD (COD) and biochemical oxygen demand (BOD) (BOD) and declines 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.
Accompanying drawing explanation
Fig. 1 is the structural representation of system of the present invention;
Fig. 2 is the top view of Fig. 1.
1. soil-suction head portions, 2. lift pump, 3. coarse rack in figure, 4. sand-removal 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 outlets, 15. Mud Layer, 16. muds, 17. sediment layer.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further detailed explanation, but be not limiting the scope of the invention.
As illustrated in fig. 1 and 2, a kind of river course, lake silt treatment system, comprise control system and the mud lifting appliance, muddy water pretreatment unit and the separated desiccation apparatus of muddy water magnetic that connect successively, mud lifting appliance comprises lift pump 2 and soil-suction head portion 1, muddy water pretreatment unit comprises medicine system 5, coarse rack 3, sand-removal device 4 and the coagulation device 6 connecting successively by pipeline, and the separated desiccation apparatus of muddy water magnetic 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 by pipeline, and medicine system 5 is arranged on intake chamber 9.Sand-removal device 4 right sides are provided with effluent trough 10, and coagulation device 6 is arranged on effluent trough 10 afterbodys.Coarse rack 3 bottoms, right side are provided with impurity collecting vessel 11, and sand-removal device 4 bottoms are provided with sand outlet 14.Magnetic separating device 8 and pressing device 7 cooperatively interact, 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.
A processing method for river course, lake silt treatment system, the steps include:
1) soil-suction head portion 1 is inserted to Mud Layer 15 and mud 16 collection muddy water, muddy water promotes and enters muddy water pretreatment unit from intake chamber 9 through lift pump 2, and the chemicals dosing plant 5 on intake chamber 9 adds containing magnetisable material in muddy water;
2) the thick impurity that the coarse rack 3 of muddy water pretreatment unit is removed in muddy water, the sand that sand-removal device 4 is removed in muddy water, sand-removal device water outlet is flowed out through effluent trough 10, and sand-removal device water outlet enters coagulation device 6 by pipeline, and coagulation device 6 will be containing magnetisable material and the thorough coagulation of sand-removal device water outlet;
3) coagulation device water outlet flows into magnetic separating device 8 through pipeline, and magnetic separating device 8 is separated with water by residual sludge, and mud is through pressing device 7 squeezing mummification, and mummification clod is discharged along mud guiding plate 12; Clear water flows back to river course through clear water output 13.
Step 2) the thick impurity producing in is unified processing after impurity collecting vessel 11 is collected, step 2) in the sand that produces through sand outlet 14, discharge, step 2) in containing magnetisable material, be Nd-Fe-B magnetic pole, magnetic separating device 8 and pressing device 7 in step 3) are used in conjunction with.
Mud extraction moisture content after the present invention processes is less than 75%, and mud body is reduced into 1/10, and the remarkable improvement of black smelly high river water body color is processed water outlet COD (COD) and biochemical oxygen demand (BOD) (BOD) and declined 40～45%, and water quality is limpid.
The present invention is applicable to urban landscape rivers, artificial lake water body, the improvement of urban architecture mud sewage; The protection at reservoir water source.
Claims (8)
1. a river course, lake silt treatment system, comprise control system and the mud lifting appliance connecting successively, muddy water pretreatment unit and the separated desiccation apparatus of muddy water magnetic, it is characterized in that: described mud lifting appliance comprises lift pump and soil-suction head portion, described muddy water pretreatment unit comprises the medicine system connecting successively by pipeline, coarse rack, sand-removal device and coagulation device, the separated desiccation apparatus of described muddy water magnetic comprises magnetic separating device and pressing device, described coarse rack one side is provided with intake chamber, described soil-suction head portion is connected with intake chamber by pipeline, described medicine system is arranged on intake chamber.
2. a kind of river course according to claim 1, lake silt treatment system, is characterized in that: described sand-removal device one side is provided with effluent trough, and described coagulation device is arranged on effluent trough afterbody.
3. a kind of river course according to claim 1, lake silt treatment system, is characterized in that: described coarse rack one side bottom is provided with impurity collecting vessel, and described sand-removal device bottom is provided with sand outlet.
4. a kind of river course according to claim 1, lake silt treatment system, is characterized in that: described magnetic separating device and pressing device cooperatively interact, and described pressing device one side is provided with mud guiding plate, and described magnetic separating device one side is provided with clear water output.
5. 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 to floating mud and collect muddy water, muddy water promotes and enters muddy water pretreatment unit from intake chamber through lift pump, and the chemicals dosing plant on intake chamber adds containing magnetisable material in muddy water;
2) coarse rack of muddy water pretreatment unit is removed the thick impurity in muddy water, sand-removal device is removed the sand in muddy water, sand-removal device water outlet is flowed out through effluent trough, and sand-removal device water outlet enters coagulation device by pipeline, and coagulation device will be containing magnetisable material and the thorough coagulation of sand-removal device water outlet;
3) coagulation device water outlet flows into magnetic separating device through pipeline, and magnetic separating device is separated with water by residual sludge, and mud is through pressing device squeezing mummification, and mummification clod is discharged along mud guiding plate; Clear water flows back to river course through clear water output.
6. the processing method of a kind of river course according to claim 5, lake silt treatment system, is characterized in that: described step 2) unification after the collection of impurity collecting vessel of the middle thick impurity producing is processed, step 2) the middle sand process sand outlet discharge producing.
7. the processing method of a kind of river course according to claim 5, lake silt treatment system, is characterized in that: described step 2) is Nd-Fe-B magnetic pole containing magnetisable material.
8. the processing method of a kind of river course according to claim 5, lake silt treatment system, is characterized in that: magnetic separating device and pressing device in described step 3) are used in conjunction with.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN102814316B (en) * | 2012-08-29 | 2015-01-21 | 北京百氏源环保技术有限公司 | Method for pipe network sludge reduction treatment |
| CN102826705B (en) * | 2012-09-24 | 2014-07-09 | 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 |
| CN105110461B (en) * | 2015-09-14 | 2017-09-05 | 安徽雷克环境科技有限公司 | Separate type bed mud elution 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 |
| 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 |
| CN111058416A (en) * | 2018-10-16 | 2020-04-24 | 成秉功 | Reservoir repair system |
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| 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 |
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Patent Citations (3)
| 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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