CN101024548A - Lake dredging bottom-mud dewatering integrated treatment technology - Google Patents
Lake dredging bottom-mud dewatering integrated treatment technology Download PDFInfo
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- CN101024548A CN101024548A CN 200610007762 CN200610007762A CN101024548A CN 101024548 A CN101024548 A CN 101024548A CN 200610007762 CN200610007762 CN 200610007762 CN 200610007762 A CN200610007762 A CN 200610007762A CN 101024548 A CN101024548 A CN 101024548A
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Abstract
The invention discloses a river bottom mud dredging dewatering process technology that includes the following steps: dredging river bed, separating mud and sand, separating sand and water, dewatering and sterilizing. The processed water could reach the discharging standard, and could be recycled. It supplies a entire, low cost and high value method to treat river course.
Description
Technical field
The present invention relates to field of environmental engineering, specifically, relate to a kind of lake dredging bottom-mud dewatering integrated treatment technology.
Technical background
Along with fast development of social economy, urban population sharply increases, and increases considerably to the blowdown flow rate of city water channel, water is polluted be on the rise, and water environment situation goes from bad to worse, and the river blackening is smelly, fishes and shrimps are not given birth to.Regulation problem to the river course is extremely urgent, is directly connected to resident's living environment.
Want river training, need accomplish two groundworks: the one, reduce the discharging of pollutent to the river course, the 2nd, sedimentary river bottom mud is for many years carried out desilting.The discharging that reduces pollutent needs the supervision of government department, based on administrative measure; And the processing of the dredging in river course, desilting and bed mud thereof then needs to carry out the comprehensive regulation in conjunction with relevant technique means.How to accomplish influences the environment minimum, economizes on the use of funds in the governance process, can reach good effect again, administers the key issue place of engineering just.Existing treatment process, method have a lot, and common way has following two kinds:
One, the mud in the river course is dredged by suction cutter dredger, utilize the mechanical type that installs in the snagboat cutter of dredging soil layer is twisted to cut, the mud that comes out that strand is cut by the centrifugal mud pump in the device snagboat sucks then, through the pipeline force feed to sludge carrier, sludge carrier is transported near the bed mud treatment station bank with mud, with slush pump mud is promoted on the bed mud treatment station again; The mud that the bed mud treatment station is very high with water ratio dewaters and mummification, is transported to landfill yard and handles.
Two, the mud in the river course is dredged by suction cutter dredger, utilize the mechanical type that installs in the snagboat cutter of dredging that the strand of soil layer is cut, the mud that strand is cut by the centrifugal mud pump that installs in the snagboat sucks through suction pipe, through dredging tube and multistage force (forcing) pump, mud directly is delivered to the bed mud treatment station on bank midway again; The mud that the bed mud treatment station is very high with water ratio dewaters and mummification, and the bed mud behind dehydration and drying is transported to landfill yard.
The weak point of these two kinds of ways:
Way one is carried operation for being interrupted, and fortune mud mode operation is various, and production efficiency is lower, generally is suitable for the occasion that mud moisture content is low or fed distance is long, and processing cost is higher.The narrower section in the river course particularly, the mud operational throughput is big, often can't implement.
Way two utilizes the pipe-line transportation operation to carry continuously, the production efficiency height, and it is higher generally to be suitable for mud moisture content, and defeated mud mean distance just need be established a bed mud treatment station less than 20km's; And bed mud treatment station place is difficult for solving, performance difficulty, and bed mud treatment station frowziness, and the muddy water leakage is arranged in the course of conveying, influences environment.
Summary of the invention
The purpose of this invention is to provide a kind of effective lake dredging bottom-mud dewatering integrated treatment technology.
To achieve these goals, the technical solution used in the present invention is, a kind of lake dredging bottom-mud dewatering integrated treatment technology, and it comprises the steps:
A, river training utilize cutting machine on the snagboat that the river bed soil layer is twisted and cut, stir, and make the dirt bed of river bed loose;
B, the husky mud of one-level separate, by husky water cyclone separator, with muddy water and husky water sepn;
C, the husky water sepn of secondary are by there not being the axle spiral separator, with sand and water sepn;
D, secondary mud-water separation by adding polymeric flocculant, flocculate mud from water, and with blocking dirty slag remover with both filtering separation;
E, dehydration and sterilization will be pressed into dried mud with blocking dirty slag remover with it through taking off the body refuse of sand, dehydration procedure, carry out landfill disposal, through the water that husky water sepn, muddy water filter out, partially recycled utilization, all the other are handled through adding disinfection by chlorine dioxide, are disposed to the korneforos on the spot.
More excellent, the polymeric flocculant among the above-mentioned steps d is to steep the medicine machine automatically by polymer to be produced;
And the filtrate that filters out among the step e can be ready for use on polymer to steep medicine mechanism automatically medicinal partially recycled.
The present invention is separated, is taken off processing methodes such as sand, desliming and sterilization and comprehensively form fully by river training, husky mud, water after the processing and water quality, discharging on the spot not only up to standard easily, utilization more also capable of circulation, and the sand after handling more has the economic worth material of construction, to city river administer provide that a cover is complete, low-cost, high value, high efficiency solution route.
Description of drawings
Fig. 1 is a lake dredging bottom-mud integral process schema of the present invention.
Fig. 2 is a lake dredging bottom-mud technology integral process embodiment synoptic diagram of the present invention.
Fig. 3 is the sectional view of husky water cyclone separator of the present invention.
Fig. 4 is the sectional view that does not have the husky water separator of axle spiral of the present invention
Embodiment
It in the dotted line among Fig. 1 the technical process part that on snagboat, realizes.
Elaborate below in conjunction with Fig. 2,3,4 pairs of concrete processing steps of the present invention.
The training of channel utilizes cutting machine on the snagboat that the river bed soil layer is twisted and cuts, stirs, and makes the dirt bed of river bed loose.Specifically as shown in Figure 2, in river course to be renovated, on the dredging snagboat of equipment of the present invention in the river course, the cutter 12 of strand cutting mill 1 places under the ship, toward the soil layer extension of river bed, until the inside of mixing people's soil layer certain depth, drive the screw rod 11 of strand cutting mill, the cutter 12 of interlock below twists the river bed soil layer and to cut, to stir, and makes soil layer become loose, dense mud; Suction pipe 21 extends in the dense mud, bestows high pressure suction by the centrifugal mud pump on the ship 2, mud is promoted in the husky water cyclone separator 3 on the ship, and injects toward the population 31 of husky water cyclone separator with high pressure.
The husky mud of one-level separates, by husky water cyclone separator, with muddy water and husky water sepn.Specifically as shown in Figure 3, this sand water cyclone separator 3 is for being tube taper wide at the top and narrow at the bottom, there is an inlet 31 its side, its direction is a left side or the right of the horizontal direction of inclined to one side inner side-wall, muddy water is injected at a high speed from the 31 past inner side-walls that enter the mouth, the incident water column is close to the inner side-wall of husky water cyclone separator 3, and portion makes high speed rotary motion within it; Because of the ratio of sand in muddy water great, in rotary course, constantly sink, build up in the funnel lower bottom part, water is then built up the top in funnel, and is full of whole funnel inside rapidly, and funnel upper top and hypocone all have escape orifice 33,32, so, muddy water is forced to overflow from upper top escape orifice 33, and Sha Shui spills from hypocone escape orifice 32, reaches husky, the isolating purpose of mud.
The husky water sepn of secondary is by there not being the axle spiral separator, with sand and water sepn.Specifically as shown in Figure 4, by the husky water that escape orifice 32 spills, the people that falls does not have in the husky bucket 41 of leakage of the husky water separator of a spiral 4 tops, and communicates with the husky water separator 4 of nothing axle spiral; Do not have the husky water separator 4 of axle spiral and be cylindric, in the screw rod 44 that can rotate freely is housed; The ends A, the B that do not have the husky water separator 4 of axle spiral are deflected condition relatively up and down, and sediment ejection opening 42 is arranged; Sediment ejection opening 42 is positioned at end A partially, and is positioned at A least significant end place, and hourglass bucket 41 is positioned at the B end; Screw rod 44 constantly pushes the sand that is deposited in the water leaking husky bucket 41 bottoms in the work rotary course, release toward sediment ejection opening 42, water the B end hourglass bucket 41 spillways 43 overflow; The sand of discharging be purer sand, is collected into the sand storehouse on the ship, is equipped with the outer shipping of transporting in addition and goes out to do material of construction usefulness, and the water that overflows is led the people by pipeline and flocculated in the groove 5.
The husky mud of secondary separates, and by adding polymeric flocculant, mud is flocculated from water, and with blocking dirty slag remover with both filtering separation.Specifically as shown in Figure 2, the muddy water from escape orifice 33 overflows enters in the flocculation groove 5 by pipeline; Automatically steep the polymeric flocculant 51 that medicine machine 52 is produced by polymer, can react with the impurity mud that is dissolved in the water; Polymeric flocculant 51 is connected to the force (forcing) pump 53 that polymer steeps medicine machine 52 automatically, is promoted in the flocculation groove 5; Through fully stirring, mixing, make mud flocculation, precipitation in the muddy water.
Dehydration and sterilization will be pressed into dried mud with blocking dirty slag remover with it through taking off the body refuse of sand, dehydration procedure, carry out landfill disposal, through the water that husky water sepn, muddy water filter out, and partially recycled utilization, all the other are handled through adding disinfection by chlorine dioxide, are disposed to the korneforos on the spot.Concrete mode is: use and block dirty slag remover 6, the mud that flocculating with water filtration, separate, because of through taking off sand, dehydration procedure, the water that leach this moment be the water of substantially free of impurities, partly returns to draw and makes molecule to steep medicine machine 52 automatically standby; Rest part is directed in the Drainage pipe 61, after handling toward pipeline 61 injection disinfection by chlorine dioxides, can drain into the korneforos on the spot.
Block the body refuse that dirty slag remover 6 filters out and dripped a spot of polymeric flocculant 51 of people, be pressed into dried mud through sludge dewatering equipment 7 and be collected in the storage hopper dredger on the ship, be equipped with outer transportation shipping in addition to landfill disposal; Deviate from a spot of muddy water and return by pipeline 71 and be disposed to pulp-absorbing pipe 21 vicinity, handled in order to secondary circulation.
Block dirty slag remover 6 and sludge dewatering equipment 7 among the embodiment and all adopt pilomotor fibers formula strainer.
It can reach following effect to adopt technology of the present invention:
A, be not subjected to mud moisture content just to reach defeated mud to limit apart from distance, applied widely.
B, the dredger of having no way of overflow to the muddy water in the course of conveying of sludge handling station, and ambient influnence is little.
C, work continuously, operation is minimum and simple to operate, and bed mud digs, send, desliming, dehydration procedure Integrated finishing.
The construction installations such as D, the conveyance conduit of having avoided laying bed mud, treating stations focus on the city The impact of political affairs environment minimizes.
E, a less investment, processing cost is low.
Claims (10)
1, a kind of lake dredging bottom-mud dewatering integrated treatment technology is characterized in that, comprises the steps:
A, river training utilize cutting machine on the snagboat that the river bed soil layer is twisted and cut, stir, and make the dirt bed of river bed loose;
B, the husky mud of one-level separate, by husky water cyclone separator, with muddy water and husky water sepn;
C, the husky water sepn of secondary are by there not being the axle spiral separator, with sand and water sepn;
D, secondary mud-water separation by adding polymeric flocculant, flocculate mud from water, and with blocking dirty slag remover with both filtering separation;
E, dehydration and sterilization will be pressed into dried mud with blocking dirty slag remover with it through taking off the body refuse of sand, dehydration procedure, carry out landfill disposal, through the water that husky water sepn, muddy water filter out, partially recycled utilization, all the other are handled through adding disinfection by chlorine dioxide, are disposed to the korneforos on the spot.
2, lake dredging bottom-mud dewatering integrated treatment technology according to claim 1 is characterized in that, the husky water cyclone separator of step b is tube taper wide at the top and narrow at the bottom.
3, lake dredging bottom-mud dewatering integrated treatment technology according to claim 1 is characterized in that, the no axle spiral separator of step c is cylindric.
4, according to claim 1 or 3 described lake dredging bottom-mud dewatering integrated treatment technologies, it is characterized in that the interior device of no axle spiral separator of step c has screw rod, during work sand is pushed forward.
5, lake dredging bottom-mud dewatering integrated treatment technology according to claim 1 is characterized in that adding polymeric flocculant before the dehydration procedure among the step e.
6, lake dredging bottom-mud dewatering integrated treatment technology according to claim 5 is characterized in that described polymeric flocculant is to steep the medicine machine automatically by polymer to produce.
7, lake dredging bottom-mud dewatering integrated treatment technology according to claim 6, it is characterized in that steeping automatically the used solvent of medicine machine is from blocking the filtrate that dirty slag remover is discharged.
8, lake dredging bottom-mud dewatering integrated treatment technology according to claim 1 is characterized in that the dewatering unit that step e adopts is a sludge dewatering equipment.
9, lake dredging bottom-mud dewatering integrated treatment technology according to claim 1 is characterized in that described to block dirty slag remover be to adopt pilomotor fibers formula strainer.
10, lake dredging bottom-mud dewatering integrated treatment technology according to claim 8 is characterized in that described sludge dewatering equipment is to adopt pilomotor fibers formula strainer.
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| CN 200610007762 CN101024548A (en) | 2006-02-20 | 2006-02-20 | Lake dredging bottom-mud dewatering integrated treatment technology |
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| CN 200610007762 CN101024548A (en) | 2006-02-20 | 2006-02-20 | Lake dredging bottom-mud dewatering integrated treatment technology |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101381192B (en) * | 2008-10-16 | 2010-04-14 | 上海交通大学 | Dredged sludge two-stage mixed reaction deodorization and dehydration method |
| 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 |
| CN103395959A (en) * | 2013-07-30 | 2013-11-20 | 江苏宝能建筑材料有限公司 | Lake sludge dewatering process |
| CN103626373A (en) * | 2012-08-21 | 2014-03-12 | 绍兴县永通丝绸印染有限公司 | Sludge dewatering system for printing and dyeing mill |
| CN103924624A (en) * | 2014-03-17 | 2014-07-16 | 仇心金 | Automatic dehydrating dredge boat for riverway sludge and application method of dredge boat |
| CN104030536A (en) * | 2014-06-04 | 2014-09-10 | 安徽省交通航务工程有限公司 | Environment-friendly dredged sediment integrated mechanical deep-drying system |
| CN104261641A (en) * | 2014-09-10 | 2015-01-07 | 山东科技大学 | Separation and dehydration device and process of river and reservoir sediment |
| CN103526792B (en) * | 2013-10-18 | 2016-03-30 | 无锡威孚精密机械制造有限责任公司 | Accrete clearing device |
| CN105858953A (en) * | 2016-04-22 | 2016-08-17 | 密西西比国际水务有限公司 | Method and device for treating black odour river |
| CN106759602A (en) * | 2016-12-26 | 2017-05-31 | 江苏龙腾工程设计股份有限公司 | River course green ecological desilting processing system and its processing method |
| WO2018024019A1 (en) * | 2016-08-01 | 2018-02-08 | 中电建水环境治理技术有限公司 | Industrial treatment and regeneration system for contaminated bottom mud in rivers and lakes |
| WO2018032830A1 (en) * | 2016-08-16 | 2018-02-22 | 中电建水环境治理技术有限公司 | Regeneration system for residual water from treatment of contaminated bottom sludge from river or lake |
| CN107986376A (en) * | 2017-12-24 | 2018-05-04 | 王甲林 | A kind of boat form multi-stage treatment units and method for river heavy metal pollution emergency processing |
| CN109487850A (en) * | 2018-11-20 | 2019-03-19 | 吴慧军 | A kind of harbour silt cleaning device |
| CN110590092A (en) * | 2019-10-18 | 2019-12-20 | 上海同臣环保有限公司 | River and lake sludge dewatering and solidifying integrated treatment process |
| CN111097219A (en) * | 2019-12-02 | 2020-05-05 | 南华大学 | Ore pulp separating device of submarine mining equipment |
| CN113003904A (en) * | 2021-03-13 | 2021-06-22 | 竑迈环境科技(上海)有限公司 | Sludge harmless treatment system |
| WO2022021807A1 (en) * | 2020-07-29 | 2022-02-03 | 水木金谷环境科技有限公司 | Sludge treatment device |
-
2006
- 2006-02-20 CN CN 200610007762 patent/CN101024548A/en active Pending
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101381192B (en) * | 2008-10-16 | 2010-04-14 | 上海交通大学 | Dredged sludge two-stage mixed reaction deodorization and dehydration method |
| CN103626373A (en) * | 2012-08-21 | 2014-03-12 | 绍兴县永通丝绸印染有限公司 | Sludge dewatering system for printing and dyeing mill |
| 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 |
| CN103395959A (en) * | 2013-07-30 | 2013-11-20 | 江苏宝能建筑材料有限公司 | Lake sludge dewatering process |
| CN103526792B (en) * | 2013-10-18 | 2016-03-30 | 无锡威孚精密机械制造有限责任公司 | Accrete clearing device |
| CN103924624A (en) * | 2014-03-17 | 2014-07-16 | 仇心金 | Automatic dehydrating dredge boat for riverway sludge and application method of dredge boat |
| CN103924624B (en) * | 2014-03-17 | 2016-04-20 | 仇心金 | Riverway sludge automation dehydration dredge boat and using method thereof |
| CN104030536A (en) * | 2014-06-04 | 2014-09-10 | 安徽省交通航务工程有限公司 | Environment-friendly dredged sediment integrated mechanical deep-drying system |
| CN104261641A (en) * | 2014-09-10 | 2015-01-07 | 山东科技大学 | Separation and dehydration device and process of river and reservoir sediment |
| CN104261641B (en) * | 2014-09-10 | 2015-11-25 | 山东科技大学 | The sorting dewatering unit of a kind of river and reservoir deposits and technique |
| CN105858953A (en) * | 2016-04-22 | 2016-08-17 | 密西西比国际水务有限公司 | Method and device for treating black odour river |
| CN105858953B (en) * | 2016-04-22 | 2018-06-05 | 密西西比国际水务有限公司 | The method and apparatus that a kind of black smelly river is administered |
| WO2018024019A1 (en) * | 2016-08-01 | 2018-02-08 | 中电建水环境治理技术有限公司 | Industrial treatment and regeneration system for contaminated bottom mud in rivers and lakes |
| WO2018032830A1 (en) * | 2016-08-16 | 2018-02-22 | 中电建水环境治理技术有限公司 | Regeneration system for residual water from treatment of contaminated bottom sludge from river or lake |
| CN106759602A (en) * | 2016-12-26 | 2017-05-31 | 江苏龙腾工程设计股份有限公司 | River course green ecological desilting processing system and its processing method |
| CN107986376A (en) * | 2017-12-24 | 2018-05-04 | 王甲林 | A kind of boat form multi-stage treatment units and method for river heavy metal pollution emergency processing |
| CN109487850A (en) * | 2018-11-20 | 2019-03-19 | 吴慧军 | A kind of harbour silt cleaning device |
| CN110590092A (en) * | 2019-10-18 | 2019-12-20 | 上海同臣环保有限公司 | River and lake sludge dewatering and solidifying integrated treatment process |
| CN111097219A (en) * | 2019-12-02 | 2020-05-05 | 南华大学 | Ore pulp separating device of submarine mining equipment |
| WO2022021807A1 (en) * | 2020-07-29 | 2022-02-03 | 水木金谷环境科技有限公司 | Sludge treatment device |
| CN113003904A (en) * | 2021-03-13 | 2021-06-22 | 竑迈环境科技(上海)有限公司 | Sludge harmless treatment system |
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