CN107265800A - A kind of river and lake silt innocuity disposal system and method - Google Patents

A kind of river and lake silt innocuity disposal system and method Download PDF

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Publication number
CN107265800A
CN107265800A CN201710532236.3A CN201710532236A CN107265800A CN 107265800 A CN107265800 A CN 107265800A CN 201710532236 A CN201710532236 A CN 201710532236A CN 107265800 A CN107265800 A CN 107265800A
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China
Prior art keywords
mud
river
component
lake silt
innocuity disposal
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CN201710532236.3A
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Chinese (zh)
Inventor
徐小明
陈海萍
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JIANGMEN SANQING ENVIRONMENTAL TECHNIQUE CO Ltd
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JIANGMEN SANQING ENVIRONMENTAL TECHNIQUE CO Ltd
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Priority to CN201710532236.3A priority Critical patent/CN107265800A/en
Publication of CN107265800A publication Critical patent/CN107265800A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/004Sludge detoxification
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/008Sludge treatment by fixation or solidification
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/02Biological treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/10Treatment of sludge; Devices therefor by pyrolysis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/122Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00Solid fuels
    • C10L5/40Solid fuels essentially based on materials of non-mineral origin
    • C10L5/46Solid fuels essentially based on materials of non-mineral origin on sewage, house, or town refuse
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007Contaminated open waterways, rivers, lakes or ponds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/02Odour removal or prevention of malodour
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/06Sludge reduction, e.g. by lysis
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/20Sludge processing

Abstract

The invention discloses a kind of river and lake silt innocuity disposal system, include mud and transport component, the filter assemblies for separating from mud impurity, isolate from mud integrated screening component, the breaker for the clod for making silt deposit go out after precipitation component, the equipment for separating liquid from solid for making bottom-mud dewatering, the fragmentation dehydration of bed mud, the withering drying device of clod to fragmentation, the carbonizing plant for making dried clod be converted into the mud that is carbonized of powder.A kind of river and lake silt innocuity disposal system of the present embodiment, operation is simple to operate, and short the time required to processing mud, and the floor space of demand is small.

Description

A kind of river and lake silt innocuity disposal system and method
Technical field
The present invention relates to sludge treatment technical field, more particularly to a kind of river and lake silt innocuity disposal system and method.
Background technology
In the water conservancy and water environment treatment engineering of China, can all there is substantial amounts of sludge to produce every year, the Delta of the Pearl River The annual desilting amount in area is even more to have reached 1 billion cubic meter, wherein exemplified by only being administered by Shenzhen City, Guangdong Province Mao Zhou rivers, Treatment of Sludge Amount just reaches about 1500 ten thousand steres, and bed-silt can cause the seriously polluted of water quality and needs are thoroughly dredged and administered.At present, it is dirty The processing mode of mud is generally stacked based on sludge with land acquisition, however, Land Demand, industrial or agricultural use with urban construction The enhancing of ground anxiety and masses' environmental consciousness, existing Treatment of Sludge mode has become restriction water conservancy and water environment treatment work The main bottleneck of journey.
In addition, it is existing handle sludge using curing process form of construction work during, typically use curing process Machine, which to sludge solidify, stirs construction, because every curing needs 3 to 4 excavators of outfit to be used to load sludge and by admittedly The sludge entrucking changed, and its mud handling capacity hourly is only 100-150 cubic metres, at sludge curing The efficiency of reason, the cost of investment for completing Treatment of Sludge required by task is also higher.Therefore, it is necessary to which designing one kind efficiently and can have Effect carries out the system and method for harmless treatment to river and lake silt cost-effectively.
The content of the invention
Present invention seek to address that above-mentioned mentioned technical problem can be efficient and effectively save into local right there is provided one kind River and lake silt carries out the system and method for harmless treatment.
What the purpose of the present invention can be realized by following technical scheme:
A kind of river and lake silt innocuity disposal system, include mud transport component, from mud separate impurity filtering Component, the integrated screening component for isolating from mud powder, silt deposit is set to go out the precipitation component of bed mud, make bottom-mud dewatering Equipment for separating liquid from solid, the breaker of clod after fragmentation dehydration, the withering drying device of clod to fragmentation, Dried clod is set to be converted into the carbonizing plant of carbonization mud.
It is preferred that, mud transports component and includes dredger, the desilting pipeline from mud is extended on dredger, sets Reamer head in desilting pipeline, the supervising device for catching desilting picture, the sounding instrument for determining reamer excavating depth.
It is preferred that, also include the powder gone out through integrated screening components apart is cleaned cleaning assembly, the bottom of to The purification assembly that supernatant above mud is purified.
It is preferred that, it is soft that filter assemblies include the first vibratory sieve, the hammer crusher of correspondence hard impurity and correspondence The double-roll crusher of property impurity.
It is preferred that, also include and carry out the biochemical treatment tank of deodorization to mud after mud separates impurity and for going Fall the aerator of partial organic substances in mud.
It is preferred that, integrated screening component includes hydrocyclone and the second vibratory sieve, and the second vibratory sieve includes pair Answer at least two of different powder sizes intervals.
It is preferred that, cleaning assembly is sand washer, and purification assembly includes MBBR fillers.
It is preferred that, precipitation component is flocculation sedimentation tank, and equipment for separating liquid from solid is plate and frame filter press, and breaker is double-roll type Disintegrating machine, drying device is dried-air drier, and carbonizing plant is retort.
It is preferred that, it is provided with using PAM to handle the bed mud conditioner of bed mud between precipitation component and equipment for separating liquid from solid.
What the purpose of the present invention can also be realized by following technical scheme:
A kind of river and lake silt method for innocent treatment, transports component by mud and water-bed mud is transported to filtering group Part, is isolated the impurity and gravel of bulk by filter assemblies from mud, and remaining mud enters biochemical treatment tank and multiple Synthase mixing deodorization, enters the less powder of relative impurity is isolated in integrated screening component afterwards, and remaining bed mud enters Precipitate after the bed mud after component progress coagulating sedimentation, precipitation is mixed with PAM/ curing agent and be dehydrated into equipment for separating liquid from solid to aqueous Rate is delivered in drying device within 60%-80% after then being crushed using the bed mud after PAM mixed dehydrations through breaker Processing is dried, carbon is decomposed thermally to form in the state of hypoxemia in clod to the carbonizing plant of conveying bed mud formation after drying Change mud.
Beneficial effect is:Compared with prior art, a kind of river and lake silt innocuity disposal system of the invention and method, its The environmental protection for employing desilting tube fit reamer head twists suction dredging technology, and environmental protection, which twists suction dredging technology, has higher positioning Precision and excavation precision, can effectively prevent the leakage of mud from digging and backbreaking, and the sedendary soil that will not be damaged in river course, in environmental protection During desilting, the disturbance and diffusion of mud can be effectively prevented, it is to avoid the secondary pollution of water body, effectively prevent from transporting production in way Raw secondary pollution, reduces the turbidity of water body, construction machinery can be effectively controlled by the closed desilting of desilting pipeline Noise, resident's normal life is not disturbed;Coordinate the preaeration deodorization technology of aerator using biochemical treatment tank, and in bed mud Complex enzyme is added, the stink that river bottom mud is produced by anaerobic fermentation can be removed, river bottom mud processing scene is effectively improved Sanitary condition;To be higher by more than thousands of times, run by the relatively conventional organic catalyst of the speed of complex enzyme degradation organic matter Cost is low, and after complex enzyme pretreatment, clear water and bed mud are kept completely separate, and clear water can be discharged directly, the organic matter of bed mud Content is greatly reduced, and its physical property changes, it is easier to is dehydrated and is dried;Second vibratory sieve is coordinated using hydrocyclone Integrated screening technology, can work continuously, all linked with one another, treatment effeciency is high, and the technology can carry out modularization installation And dismounting, activity is strong, can be dragged to job site with trailer, can also realize the ability of processing high-volume river bottom mud, become silted up Mud can carry out sizing screening according to the particle size of powder, greatly reduce bed mud freight volume, may be used also after integrated screening To reclaim different size of particle, different fields are back to use;Supernatant above bed mud reaches after purification assembly processing To discharge standard, former river course can be directly discharged to as make-up water source;Using the soil solidification for including equipment for separating liquid from solid Zymotechnic to bed mud heavy metal carry out the relatively existing domestic and international river bottom mud of curing process frequently with increment curing heavy metal Treatment technology is compared, can decrement solidification, only the powder that integrated screening components apart comes out is solidified, can greatly be saved About cost, reduces environmentally friendly risk;Bed mud volume and total amount after carbonization reduce more than 90%, are not take up landfill space In addition, also following advantage:The further volume reduction after carbonization, product light weight, specific surface area is big;After bed mud calorific value be carbonized than drying Bed mud calorific value it is high, can be used as fuel;Carbonized product is harmless, and the noxious materials such as bioxin are not produced, and environment negative effect is Zero;Carbide purposes is wide, can make deodorant, soil conditioner etc.;After bed mud experience carbonization, the Heavy Metals in bed mud occur Change, exchangeable species content is significantly reduced, the rise of residual content, leaching concentration is well below monitoring standard.The present invention's A kind of river and lake silt innocuity disposal system and method, system operation are simple to operate, and short the time required to processing mud, demand Floor space is small.
Brief description of the drawings
The embodiment of the present invention is described in further detail below in conjunction with accompanying drawing, wherein:
Fig. 1 is the sludge treatment schematic flow sheet of processing system.
In figure arrow represent to feed intake into each part, the impurity in mud and the bed mud in powder, mud and supernatant Transporting direction.
Embodiment
As shown in figure 1, a kind of river and lake silt innocuity disposal system, includes mud and transports component 1, separated from mud The filter assemblies 2 of impurity, the integrated screening component 3 for isolating from mud powder, the precipitation group for making silt deposit go out bed mud The breaker 6 of clod after part 4, the equipment for separating liquid from solid 5 for making bottom-mud dewatering, fragmentation dehydration, the clod to fragmentation are done The drying device 7 of dry processing, make dried clod be converted into carbonization mud carbonizing plant 8.
Mud, which transports component 1, can include dredger, the desilting pipeline from mud is extended on dredger, be arranged on Reamer head in desilting pipeline, the supervising device for catching desilting picture, the sounding instrument for determining reamer excavating depth.Dig Mud ship draws the mud in river course, and the mud is transported in filter assemblies 2 by pump and pipeline operation.
It is flexible that filter assemblies 2 can include the first vibratory sieve, the hammer crusher of correspondence hard impurity and correspondence The double-roll crusher of impurity.Main bulky grain includes organic impurities and gravel in mud, and its quality, which has firmly, soft, for Hard impurity crushes preferred hammer crusher, for flexible impurity then preferred double-roll crusher.
A kind of river and lake silt innocuity disposal system, can also include and mud is removed after mud separation impurity Smelly biochemical treatment tank 11 and the aerator 12 for removing partial organic substances in mud.Can be with biochemical treatment tank 11 Complex enzyme is injected, then using the aeration agitation of aerator 12, partial organic substances in mud is removed, makes mud detoxification, deodorization simultaneously Beneficial to follow-up dehydration.Wherein, complex enzyme can 100% be formed with natural plants one time fermentation, can be containing at least More than 25 kinds of enzyme and thousands of seed enzymes, are wide spectrum complex enzymes truly, and the wide spectrum complex enzyme can be in various environment Lower performance optimum efficiency.The technology of complex enzyme need not introduce external strain, but original culture propagation in catalysis mud It can reach the purpose of decomposing organic matter.
Integrated screening component 3 can include hydrocyclone and the second vibratory sieve, and the second vibratory sieve includes correspondence At least two of different powder sizes intervals.As shown in figure 1, powder is the block grain of powdery, being can not sub-argument by filter assemblies 2 The little particle gone out;The size requirements of powder are directed to, can successively be led to by way of the substep screening from large scale to small size 10 cun, 4 cun and 2 cun corresponding second vibratory sieves are crossed to be screened.
A kind of river and lake silt innocuity disposal system, can also include the powder to being isolated through integrated screening component 3 Cleaning assembly 9 that grain is cleaned, the purification assembly 10 that is purified to the supernatant above bed mud.Sludge through biochemical deodorization Integrated screening component 3 respectively is isolated by gravel of the particle diameter more than 2mm, particle diameter is 0.075-2mm the grains of sand and grain can be pumped into Footpath is 0.025-0.075mm powder.By the use of precipitate the coagulating sedimentation mode of component 4 remaining supernatant after precipitation as Water source is cleaned by cleaning assembly 9 to the various sizes of powder screened, and the powder cleaned up can be direct As building materials raw material or riverbed is backfilled to, the water after cleaning is completed can be pumped to precipitation component 4 and carry out circular treatment.
Cleaning assembly 9 can be sand washer, purification assembly 10 can be include MBBR fillers moving-bed biofilm it is anti- Answer device.It can be flocculation sedimentation tank to precipitate component 4, and equipment for separating liquid from solid 5 can be plate and frame filter press, and breaker 6 can be Double-roll crusher, drying device 7 can be dried-air drier, and carbonizing plant 8 can be retort.
It is provided with using PAM to handle the bed mud conditioner 13 of bed mud between precipitation component 4 and equipment for separating liquid from solid 5.Become silted up Mud can add aluminium polychloride after integrated screening component 3 isolates gravel, the grains of sand and powder in remaining mud After PAC and polyacrylamide PAM, precipitated in the flocculation sedimentation tank for being pumped into precipitation component 4, the bed mud sunk to the bottom after precipitation can be with Being pumped into the supernatant being located in bed mud conditioner 13, flocculation sedimentation tank above bed mud can flow into movement is pumped to after intermediate pool Bed biofilm reactor is handled, and standard water discharge is emitted into former river course after purified treatment, and is given birth to through moving bed Remaining bed mud can then be pumped into flocculation sedimentation tank and carry out circular treatment after the processing of thing membrane reactor.
In bed mud conditioner 13, bed mud can be pumped into sheet frame pressure after being sufficiently mixed with polyacrylamide PAM and curing agent It is dehydrated in filter to the clod of moisture content about 70%.Wherein, by curing agent fix heavy metal clod can directly backfill in The riverbed in former river course, can be entered in breaker 6 by the clod of PAM mixed dehydrations, wherein the water for being dehydrated out can enter Enter in the water circulation that intermediate pool is added between intermediate pool and precipitation component 4, intermediate pool is used to shunt in precipitation component 4 Supernatant water respectively enter in cleaning assembly 9 and purification assembly 10.
The impurity for filtering out and crushing in filter assemblies 2 can be mixed by the conveying of conveying worm with clod It subsequently into drying system charging hopper, can be delivered in the drying of drying machine, be carried out from dry after being crushed through secondary agitation The do action at top is arrived in dry machine rotary kiln bottom again, meanwhile, acted on by the hot blast of hot blast combustor, the compound is continuous Dried, circulation is discharged outside stove until raw material.
Carbide furnace is a horizontal rotary body, by the way of indirect heating, and the Combustion of Hot Air Furnace of its sidepiece produces high temperature, Rotatable body of heater is heated, the compound in body of heater is thermally decomposed in the state of hypoxemia, substantial amounts of destructive distillation can be produced Gas, the carbonizing gas can carry out second-time burning to provide the heat needed for hot blast combustor, and burn the high-temperature flue gas produced It can be the heat supply of drying device 7;Conveyance of the material through body of heater is exported from body of heater end, and it is to be carbonized to be collected after compound cooling Mud.
A kind of river and lake silt innocuity disposal system and method for the present embodiment, which employs desilting tube fit reamer head Environmental protection twist suction dredging technology, environmental protection, which twists suction dredging technology, to be had higher positioning precision and excavates precision, can be effective Prevent the leakage of mud from digging and backbreaking, and the sedendary soil that will not be damaged in river course, during environment-protective desilting, can effectively it prevent The disturbance and diffusion of mud, it is to avoid the secondary pollution of water body, effectively prevent from transporting the secondary pollution of generation in way, reduction water body Turbidity, can effectively control the noise of construction machinery by the closed desilting of desilting pipeline, resident's normal life not disturbed; Coordinate the preaeration deodorization technology of aerator using biochemical treatment tank 11, and complex enzyme is added in bed mud, river can be removed The stink that road bed mud is produced by anaerobic fermentation, effectively improves the sanitary condition at river bottom mud processing scene;Pass through complex enzyme The relatively conventional organic catalyst of speed of degradation of organic substances will be higher by more than thousands of times, and operating cost is low, pre- by the complex enzyme After processing, clear water and bed mud are kept completely separate, and clear water can be discharged directly, and the content of organics of bed mud is greatly reduced, and its is physical Matter changes, it is easier to is dehydrated and dries;Coordinate the integrated screening technology of the second vibratory sieve using hydrocyclone, can Work continuously, all linked with one another, treatment effeciency is high, and the technology can carry out modularization installation and removal, activity is strong, Ke Yiyong Trailer is dragged to job site, can also realize the ability of processing high-volume river bottom mud, and mud, can be with after integrated screening Sizing screening is carried out according to the particle size of powder, bed mud freight volume is greatly reduced, different size of particle can also be reclaimed, is returned Use different fields;Supernatant above bed mud reaches discharge standard after being handled by purification assembly 10, can be used as benefit Water-filling source is directly discharged to former river course;Bed mud heavy metal is entered using the soil solidification zymotechnic for including equipment for separating liquid from solid 5 The relatively existing domestic and international river bottom mud of row curing process frequently with increment curing heavy metal treatment technology compare, being capable of decrement Solidification, only solidifies to the powder that integrated screening component 3 is separated, can greatly save cost, reduce environmental protection Risk;Bed mud volume and total amount after carbonization reduce more than 90%, are not take up beyond landfill space, also following advantage: The further volume reduction after carbonization, product light weight, specific surface area is big;The bed mud calorific value that is carbonized is higher than dried bed mud calorific value, can make Fuel is used;Carbonized product is harmless, and the noxious materials such as bioxin are not produced, and environment negative effect is zero;Carbide purposes is wide, can Make deodorant, soil conditioner etc.;After bed mud experience carbonization, the Heavy Metals in bed mud are changed, and exchangeable species contain Amount is significantly reduced, the rise of residual content, and leaching concentration is well below monitoring standard.A kind of river and lake silt of the present embodiment without Evilization processing system and method, system operation are simple to operate, and short the time required to processing mud, and the floor space of demand is small.
Above example is not limited to can be incorporated between the embodiment technical scheme of itself, embodiment new Embodiment.The above embodiments are merely illustrative of the technical solutions of the present invention and is not limited, all without departing from the present invention Any modification of spirit and scope or equivalent substitution, it all should cover in the range of technical solution of the present invention.

Claims (10)

1. a kind of river and lake silt innocuity disposal system, it is characterised in that include mud and transport component (1), divide from mud Filter assemblies (2) from impurity, the integrated screening component (3) for isolating from mud powder, silt deposit is set to go out bed mud Precipitate the breaker (6) of the clod after component (4), the equipment for separating liquid from solid (5) for making bottom-mud dewatering, fragmentation dehydration, to fragmentation The withering drying device of clod (7), make dried clod be converted into carbonization mud carbonizing plant (8).
2. a kind of river and lake silt innocuity disposal system according to claim 1, it is characterised in that the mud transports group Part (1) include dredger, the desilting pipeline from mud is extended on dredger, the reamer head being arranged in desilting pipeline, For catching the supervising device of desilting picture, the sounding instrument for determining reamer excavating depth.
3. a kind of river and lake silt innocuity disposal system according to claim 1, it is characterised in that also include to through one Cleaning assembly (9) that the powder that body Screen assemblies (3) are isolated is cleaned, the supernatant above bed mud is purified Purification assembly (10).
4. a kind of river and lake silt innocuity disposal system according to claim 1, it is characterised in that the filter assemblies (2) double-roll crusher of the first vibratory sieve, the hammer crusher of correspondence hard impurity and the flexible impurity of correspondence is included.
5. a kind of river and lake silt innocuity disposal system according to claim 1, it is characterised in that also include in mud The biochemical treatment tank (11) of deodorization and the aeration for removing partial organic substances in mud are carried out after separation impurity to mud Equipment (12).
6. a kind of river and lake silt innocuity disposal system according to claim 1, it is characterised in that the integrated screening Component (3) includes hydrocyclone and the second vibratory sieve, and it is interval extremely that the second vibratory sieve includes the different powder sizes of correspondence It is few two.
7. a kind of river and lake silt innocuity disposal system according to claim 3, it is characterised in that the cleaning assembly (9) it is sand washer, purification assembly (10) includes MBBR fillers.
8. a kind of river and lake silt innocuity disposal system according to claim 1, it is characterised in that the precipitation component (4) it is flocculation sedimentation tank, equipment for separating liquid from solid (5) is plate and frame filter press, and breaker (6) is double-roll crusher, dries dress It is dried-air drier to put (7), and carbonizing plant (8) is retort.
9. a kind of river and lake silt innocuity disposal system according to claim 1, it is characterised in that the precipitation component (4) it is provided with using PAM to handle the bed mud conditioner (13) of bed mud between equipment for separating liquid from solid (5).
10. a kind of river and lake silt method for innocent treatment, it is characterised in that component (1) is transported water-bed mud by mud Transport is isolated the impurity and gravel of bulk by filter assemblies (2), remaining mud to filter assemblies (2) from mud Into biochemical treatment tank (11) and complex enzyme mixing deodorization, afterwards into isolating relative impurity in integrated screening component (3) Less powder, the bed mud that remaining bed mud enters after precipitation component (4) progress coagulating sedimentation, precipitation is mixed with PAM/ curing agent Enter equipment for separating liquid from solid (5) afterwards to be dehydrated to moisture content within 60%-80%, then utilize the bed mud after PAM mixed dehydrations It is delivered to after being crushed through breaker (6) in drying device (7) and processing is dried, the clod that conveying bed mud is formed after drying is extremely Carbonization mud is decomposed thermally to form in the state of the hypoxemia of carbonizing plant (8) inherence.
CN201710532236.3A 2017-07-03 2017-07-03 A kind of river and lake silt innocuity disposal system and method Pending CN107265800A (en)

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Cited By (4)

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CN107857454A (en) * 2017-11-03 2018-03-30 中国恩菲工程技术有限公司 Processing method containing miscellaneous sludge
CN108298783A (en) * 2018-03-05 2018-07-20 中化工程集团环保有限公司 Heavy metal polluted bed mud obstructs restorative procedure in situ
CN108793653A (en) * 2018-05-17 2018-11-13 中国科学院过程工程研究所 A kind of sludge full constituent utilization system and method
CN111533282A (en) * 2020-05-12 2020-08-14 上海市政工程设计研究总院(集团)有限公司 Dredging and purifying method for drainage pipe and canal

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CN101870546A (en) * 2010-06-01 2010-10-27 广州市保明莱环保科技有限公司 River surge silt harmless and recycling treatment method
CN102121256A (en) * 2011-04-06 2011-07-13 天津科技大学 Suction sludge dewatering sand dredger
CN106277670A (en) * 2016-08-29 2017-01-04 曹鹏 A kind of method of fine grained heavily contaminated part bed mud in sharp separation riverbed sludge
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

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
CN101870546A (en) * 2010-06-01 2010-10-27 广州市保明莱环保科技有限公司 River surge silt harmless and recycling treatment method
CN102121256A (en) * 2011-04-06 2011-07-13 天津科技大学 Suction sludge dewatering sand dredger
CN106277670A (en) * 2016-08-29 2017-01-04 曹鹏 A kind of method of fine grained heavily contaminated part bed mud in sharp separation riverbed sludge
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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107857454A (en) * 2017-11-03 2018-03-30 中国恩菲工程技术有限公司 Processing method containing miscellaneous sludge
CN108298783A (en) * 2018-03-05 2018-07-20 中化工程集团环保有限公司 Heavy metal polluted bed mud obstructs restorative procedure in situ
CN108793653A (en) * 2018-05-17 2018-11-13 中国科学院过程工程研究所 A kind of sludge full constituent utilization system and method
CN108793653B (en) * 2018-05-17 2020-08-18 中国科学院过程工程研究所 Sludge full-component comprehensive utilization system and method
CN111533282A (en) * 2020-05-12 2020-08-14 上海市政工程设计研究总院(集团)有限公司 Dredging and purifying method for drainage pipe and canal

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