CN107140802A - A kind of portable polluted bed mud treatment in situ integrated apparatus and its handling process - Google Patents
A kind of portable polluted bed mud treatment in situ integrated apparatus and its handling process Download PDFInfo
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- CN107140802A CN107140802A CN201710493611.8A CN201710493611A CN107140802A CN 107140802 A CN107140802 A CN 107140802A CN 201710493611 A CN201710493611 A CN 201710493611A CN 107140802 A CN107140802 A CN 107140802A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/008—Mobile apparatus and plants, e.g. mounted on a vehicle
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of portable polluted bed mud treatment in situ integrated apparatus and its handling process, integrated apparatus includes the integrated treatment component of moving assembly and load thereon, integrated treatment component includes slagging-off desanding integrated unit, pre-concentration unit, dosing conditioning unit and depth concentrated dewatering unit, wherein, the slagging-off outlet connection various articles collecting apparatus of slagging-off desanding integrated unit, desanding outlet connection grains of sand receiving device, sludge outlet connects the entrance of pre-concentration unit together with the dosing mouth of dosing conditioning unit, the base sludge outlet connection depth concentrated dewatering unit entrance of pre-concentration unit, the outlet at bottom connection mud cake receiving device of depth concentrated dewatering unit.Compared with prior art, the present invention can realize effective processing of polluted bed mud, and synchronously realize the recycling of gravel in bed mud, simultaneously by container or ship point-load have integrated treatment component, floor space is effectively saved, construction cost, operating flexibility etc. is saved.
Description
Technical field
The present invention relates to pollution of river sludge handling field, more particularly, to a kind of portable polluted bed mud treatment in situ one
Body makeup is put.
Background technology
To carry out《Water prevention and cure of pollution action plan》, house town and country construction portion can same Chinese Ministry of Environmental Protection, Ministry of Water Resources, the Ministry of Agriculture
Worked out in the tissue of in August, 2015《City black and odorous water renovation guide》, instruct local people's governments at all levels to accelerate propulsion
City black and odorous water renovation.Pollution of river bed mud is one of most important endogenous pollution of black and odorous water, and bed mud is basin life
The important component of state system, the buffer capacity of bed mud determines the stability of water quality, also determines overlying water algae phase
Stability；The microbial activity of bed mud determines the decomposition rate that organic pollution is gushed to river, so as to determine river water burst body
Detergent power.Endogenous pollution caused by bed mud alluvial is the important pollution form in river course, is also the black smelly important original of river water body
Therefore one.
River bottom mud alluvial can cause flood passage water drainage not smooth, storage capacity reduction, the consequence such as shipping atrophy, to river bottom mud
Dredged and subsequent treatment, be conducive to river training water environment, improved river course and drain off floodwaters flood carrying capacity, it is whole to be that city river is integrated
The important measures controlled.The processing disposal of mud, is received more and more attention, and traditional disposal options are filled out for natural-dehydration desiccation
Bury.With the pollutant concentration more and more higher in riverway sludge, traditional treatment method can be produced to the soil and groundwater for stacking ground
Raw serious secondary pollution；Mud often contains foul smelling, and emit bad smell gas, causes to stack ground all round air pollution, mosquitos and flies evil
It is raw, surrounding environment and health are damaged.With urban development, land price goes up, and face is taken up an area in newly-built sludge handling factory
Product is big, and the construction of sludge handling factory can be affected greatly to surrounding enviroment, there is very big difficulty in expropriation of land, although can be with
Bed mud factory disposal ability is improved by modes such as well-designed, extension run times, but treatment scale differs greatly with expection,
The cycle of whole engineering can be greatly prolonged.
Based on this, it is necessary to develop the on-site processing equipment of a set of pollution of river bed mud, be supported in container
Or on ship, by vehicle or transport Ship Transportation to operating location, realize the treatment in situ of mud.
Chinese patent 201610124735.4 discloses a kind of solidification and sand filtration is integrated processing bottom mud in lake device, by digging
Mud plough, first take out mud device, bed mud pond, flocculant pond, the first muddy water water delivery device, the first sand filter, the second sand filter, muddy water
Filtering ponds, clear water delivery pipe, the second muddy water water delivery device, the 3rd muddy water water delivery device, device for separating mud and water, storage basin, second
Take out mud device, solidifying substance storage pond, spiral agitator, belt conveyor, sludge boat, floating platform and control system composition；
First, which takes out mud device, pumps to bed mud in bed mud pond, while flocculant is added in bed mud pond, a mixed muddy water part
Filtered into sand filter, the clear water after filtering is directly discharged into lake, another part muddy water enters to be entered in device for separating mud and water
Row separation, adds in bed mud after isolation after the completion of curing agent, processing and is delivered on sludge boat.Although said apparatus can be just
The solidification and sand filtration of bottom mud in lake are realized in ground, but the processing to bed mud filters simple, it is impossible to realize the classification recycling of bed mud
Utilize.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of portable pollution bottom
Mud treatment in situ integrated apparatus and its handling process.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of portable polluted bed mud treatment in situ integrated apparatus, including moving assembly and installed in the moving assembly
On integrated treatment component, the integrated treatment component includes slagging-off desanding integrated unit, pre-concentration unit, dosing conditioning
Unit and depth concentrated dewatering unit, wherein, the slagging-off outlet connection refuse collecting of described slagging-off desanding integrated unit is filled
Put, desanding outlet connection grains of sand receiving device, sludge outlet connects described pre- together with the dosing mouth of the dosing conditioning unit
The entrance of upgrading unit, the base sludge outlet of described pre-concentration unit connects the depth concentrated dewatering unit entrance, institute
State the outlet at bottom connection mud cake receiving device of depth concentrated dewatering unit.
As preferred embodiment, described dosing conditioning unit includes Scatula, dosing pump and pipe-line mixer, its
In, the entrance connection dosing pump of pipe-line mixer, the outlet connection pre-concentration unit, the slagging-off desanding integrated unit
Sludge outlet also connects the entrance of the pipe-line mixer.
As further preferred embodiment, the purified liquor outlet of described depth concentrated dewatering unit is also connected with reflux pump, and
Return to concentration tank.
As further preferred embodiment, the upper clear supernate outlet of described pre-concentration unit is also connected with flushing pump, the punching
The delivery port for washing pump is also respectively connected with the Scatula and depth concentrated dewatering unit；
The purified liquor outlet of described depth concentrated dewatering unit is also connected with reflux pump, and returns to concentration tank.
As preferred embodiment, described slagging-off desanding integrated unit includes double-deck vibratory sieve, wherein, lower floor
Vibration for removable more than 2mm debris is sieved every slag, and upper strata is vibrating-dewatering screen, and described vibration directly connects every the entrance that slag is sieved
Graft clay slurry charging aperture, and slurry outlet is sequentially connected Pulp pump by pipeline and can remove the 200 mesh above particle diameter grains of sand in mud
Hydrocyclone, solid sundries outlet connects various articles collecting apparatus, the liquid discharge of the hydrocyclone by belt conveyor
The mouth connection pre-concentration unit, solid outlet connects the vibrating-dewatering screen, and the grains of sand outlet of vibrating-dewatering screen passes through belt
Conveyer connects grains of sand receiving device.
As above-mentioned preferred embodiment it is further preferred that the liquid outlet and pre-concentration unit of described hydrocyclone
Between be additionally provided with intermediate buffer tank；
The grains of sand reception device is grains of sand storage tank, and the various articles collecting apparatus is glove compartment.
As preferred embodiment, described pre-concentration unit is concentration tank, its diameter in 2~6m, highly 2.5~
5m, described concentration tank is provided with three layers from inside to outside, wherein, internal layer is used for the stirring pre-concentration of sludge, intermediate layer and outer layer
Supernatant overflow canal is cooperatively formed, its bottom sets mud mouth, and connects the depth upgrading unit；
Described depth concentrated dewatering unit is integrative belt thickening and dewatering machine, a width of 1~3m of its strainer band, Treatment of Sludge
Ability is 3~15m3(mud cake)/h.
As preferred embodiment, the conditioning medicament added in described dosing conditioning unit is coagulant or flocculation
Agent, wherein,
Described coagulant is selected from aluminium polychloride, poly-ferric chloride, PAFC, bodied ferric sulfate, polymerised sulphur
At least one of sour aluminium, polymeric aluminium ferrum silicate, ferric trichloride or aluminum sulfate, it adds concentration for 0.15~1.5g/L,
Described flocculant is surfactant or high polymer coagulant, and it adds concentration for 50~500mg/L.
As preferred embodiment, described moving assembly twists for environmental protection inhales ship.
Using the handling process of portable polluted bed mud treatment in situ integrated apparatus, comprise the following steps：
(a) in pollution of river bed mud feeding slagging-off desanding integrated unit, removed the gred successively, desanding is handled, wherein, take off
The miscellaneous slag feeding various articles collecting apparatus removed, grains of sand feeding grains of sand receiving device, the bed mud after slagging-off desanding enters dosing and nurses one's health single
Member；
(b) bed mud after slagging-off desanding enters dosing conditioning unit, adds medicament mixing conditioning, and form sludge alumen ustum；
(c) sludge alumen ustum is sent into pre-concentration unit, carries out pre-concentration processing, wherein, pre-concentration sludge feeding depth is dense
Contracting dewatering unit；
(d) pre-concentration sludge is admitted in depth concentrated dewatering unit, is sequentially completed depth concentration and fast dewatering, is obtained
Can transport or recycling dehydrated sludge cake.
The specific handling process of device of the present invention is：
Environmental protection strand suction ship (wherein, is removed after pollution of river bed mud strand is drunk up by pipeline to the desanding unit that removes the gred
Slag unit can sieve for dither every slag, and desanding unit includes hydrocyclone and high-frequency oscillation dewatering screen), mud is first through high frequency
Vibration after the processing of slag sieve every can remove more than 2mm debris, and various articles collecting apparatus will be transported after refuse collecting, and mud is with one after slagging-off
Constant-pressure enters hydrocyclone and carries out silt particle classification, and the mortar of hydrocyclone bottom is dehydrated through high-frequency oscillation dewatering screen discharges
Fine sand collection post-tensioning is walked to carry out recycling by fine sand, fine sand collection device；Overflow mud enters dosing conditioning unit (can be with
Including Scatula, dosing pump and pipe-line mixer etc., pipe-line mixer can also be substituted by other mixing arrangements) carry out coagulation it is dense
Contracting.Overflow mud is sufficiently mixed in pipe-line mixer etc. with medicament, reacted, successively complete particulate matter broken glue, it is de- steady and
Flocculation.Mud after conditioning enters circular concentration tank (i.e. pre-concentration unit) and carries out mud-water separation, and sludge flco is heavy in central tube
Drop, supernatant enters outer layer in intermediate layer overflow, and supernatant is collected and is used as Scatula and the depth of next step by outer layer
Sludge after the water source of concentrated dewatering unit filter cloth cleaning, precipitation concentration enters depth concentrated dewatering unit through bottom mud mouth
(i.e. depth thickening machine).Moisture content can be down to 80% left side after the higher flco of moisture content is concentrated through depth thickening machine
The right side, sludge dewatering is carried out subsequently into filter pressing section, and the mud cake after dehydration can meet transport or recycling requirement.
Compared with prior art, the present invention forms the portable polluted bed mud treatment in situ integrally makeup of complete set
Put.The technique handles the organic assembling of (coagulating sedimentation) and dewater treatment unit by pretreatment (slagging-off and desanding), pre-concentration,
Not only realize the treatment in situ of polluted bed mud, it is ensured that the stable operation of system, and realize polluted bed mud classification resource
Change the target utilized, so as to systematically solve river bottom mud process problem.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of the slagging-off desanding all-in-one of the present invention；
Fig. 3 is the structural representation of the concentration tank of the present invention；
In figure, 1- environment protection dredging boats, 2- slagging-off desanding all-in-ones, 3- belt conveyors, 4- various articles collecting apparatus, the 5- grains of sand
Reception device, 6- Scatulas, 7- dosing pumps, 8- concentration tanks, 9- sludge dewatering equipments, 10- flushing pumps, 11- reservoirs, 12- mud cakes
Receiving device, 13- remained water discharges, 14- reflux pumps, 15- mud charging apertures, 16- vibratory sieves, 17- Pulp pumps, 18- hydraulic cyclones
Device, 19- intermediate buffer tanks, 20- supernatant overflow canals, 21- supports, 22- mud mouths.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of portable polluted bed mud treatment in situ integrated apparatus, its process structure are as shown in figure 1, including movement
At component (can be the mobile devices such as carrier loader), and the integrated treatment component on moving assembly, the integration
Managing component includes slagging-off desanding all-in-one 2, concentration tank 8, dosing conditioning unit and sludge dewatering equipment 9, wherein, slagging-off desanding one
The slagging-off outlet connection various articles collecting apparatus 4 of machine 2, desanding outlet connection grains of sand receiving device, slurry outlet nurses one's health single with dosing
The dosing mouth of member connects the entrance of concentration tank 8, the connection entrance of sludge dewatering equipment 9 of bottom mud mouth 22 of concentration tank 8, sludge together
The outlet at bottom connection mud cake receiving device 12 of dewaterer 9.
Dosing conditioning unit includes Scatula 6, dosing pump 7 and pipe-line mixer, wherein, the entrance connection of pipe-line mixer
Dosing pump 7, outlet connection concentration tank 8, the entrance of the slurry outlet of slagging-off desanding all-in-one 2 also connecting pipe blender.Sludge
The purified liquor outlet of dewaterer 9 is also connected with reservoir 11, the upper clear supernate outlet connection reflux pump 14 of reservoir, and returns to connecting tube
The entrance of road blender, the turbid liquid outlet in bottom is used as remained water discharge 13.The upper clear supernate outlet of concentration tank 8 is also connected with flushing pump
10, the delivery port of the flushing pump 10 is also respectively connected with Scatula 6 and sludge dewatering equipment 9, and respectively as making up a prescription and clean sludge
The water source of the filter cloth of dewaterer 9.
As shown in Fig. 2 slagging-off desanding all-in-one 2 includes double-deck vibratory sieve 16, wherein, lower floor is that can remove more than 2mm
The vibration of debris is sieved every slag, and upper strata is vibrating-dewatering screen, vibrates (the environment protection dredging boat of entrance connection mud charging aperture 15 sieved every slag
1 twists the mud drunk up enters from the mud charging aperture 15), slurry outlet is sequentially connected Pulp pump 17 and Ke Tuo by pipeline
Except the hydrocyclone 18 of the 200 mesh above particle diameter grains of sand in mud, solid sundries outlet connects debris by belt conveyor 3 and received
Acquisition means 4, the liquid outlet of hydrocyclone 18 connects concentration tank 8, solid outlet connection vibration dehydration through intermediate buffer tank 19
Sieve, the grains of sand outlet of vibrating-dewatering screen connects grains of sand receiving device by belt conveyor 3.Grains of sand reception device 5 is stored up for the grains of sand
Case, various articles collecting apparatus 4 is glove compartment.
The structure of concentration tank 8 is as shown in figure 3, its diameter is in 2~6m, and highly in 2.5~5m, concentration tank 8 passes through support 21
It is fixedly mounted, it is provided with three layers from inside to outside, wherein, internal layer is used for the stirring pre-concentration of sludge, and intermediate layer and outer layer coordinate
Supernatant overflow canal 20 is formed, its bottom sets mud mouth 22, and connects depth upgrading unit；Sludge dewatering equipment 9 is that belt is dense
Contracting dehydrating integrated machine, a width of 1~3m of its strainer band, Treatment of Sludge ability is 3~15m3(mud cake)/h.
The conditioning medicament added in dosing conditioning unit be coagulant or flocculant, wherein, coagulant be selected from polyaluminium
Aluminium, poly-ferric chloride, PAFC, bodied ferric sulfate, polyaluminium sulfate, polymeric aluminium ferrum silicate, ferric trichloride or sulfuric acid
At least one of aluminium, it adds concentration for 0.15~1.5g/L, and flocculant is surfactant or high polymer coagulant, and it is thrown
Plus concentration is 50~500mg/L.
Using the handling process of portable polluted bed mud treatment in situ integrated apparatus, its process chart as shown in figure 1,
Comprise the following steps：
(a) in pollution of river bed mud feeding slagging-off desanding all-in-one 2, first pass through dither and carried out every slag sieve at slagging-off
In reason, the debris feeding various articles collecting apparatus 4 of removing, the bed mud after slagging-off enters hydrocyclone 18 and carries out silt classification, water
The bottom mortar of power cyclone 18 through high-frequency oscillation dewatering screen dehydration discharge fine sand, and send into grains of sand reception device 5 concentrate pull away into
Row recycling, overflow mud enters dosing conditioning unit；
(b) the overflow mud after slagging-off desanding enters pipe-line mixer, then with the medicine that is added through dosing pump 7 from Scatula 6
Agent (coagulant or flocculant etc.) is sufficiently mixed, reacted, and successively completes the broken glue of particulate matter, de- steady and flocculation；
(c) mud after nursing one's health continues to be fed into concentration tank 8 the pre-concentration processing for carrying out mud-water separation, wherein, sludge wadding
Body is settled in the central tube of internal layer, and supernatant enters outer layer in intermediate layer overflow, and supernatant is collected simultaneously by the cylinder of outer layer
As the water source for the filter cloth for making up a prescription and cleaning depth thickening filtration device, the sludge after precipitation concentration enters through bottom mud mouth 22
Sludge dewatering equipment 9；
(d) sludge of pre-concentration processing enters in sludge dewatering equipment 9, and the higher floc sludge of moisture content is first concentrated through depth
Moisture content can be down to 80% or so after section concentration, and sludge dewatering is carried out subsequently into filter pressing section, and the mud cake after dehydration can meet fortune
The requirement of defeated or recycling.It is interim, generation cleaner liquid can there is provided front portion through the return duct mixer entrance of reflux pump 14
The pumped (conveying) medium of sludge.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using invention.
Person skilled in the art obviously can easily make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without passing through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability
Field technique personnel are according to the announcement of the present invention, and not departing from improvement and modification that scope made all should be the present invention's
Within protection domain.
Claims (10)
1. a kind of portable polluted bed mud treatment in situ integrated apparatus, it is characterised in that including moving assembly and installed in institute
The integrated treatment component on moving assembly is stated, the integrated treatment component includes slagging-off desanding integrated unit, pre-concentration list
Member, dosing conditioning unit and depth concentrated dewatering unit, wherein, the miscellaneous object outlet of described slagging-off desanding integrated unit is connected
Various articles collecting apparatus, grains of sand outlet connection grains of sand receiving device, sludge outlet is together with the dosing mouth of the dosing conditioning unit
The entrance of the pre-concentration unit is connected, the base sludge outlet of described pre-concentration unit connects the depth thickening list
First entrance, the outlet at bottom connection mud cake receiving device of the depth concentrated dewatering unit.
2. a kind of portable polluted bed mud treatment in situ integrated apparatus according to claim 1, it is characterised in that described
Dosing conditioning unit include Scatula, dosing pump and pipe-line mixer, wherein, the entrance of pipe-line mixer connection dosing pump,
The outlet connection pre-concentration unit, the sludge outlet of the slagging-off desanding integrated unit also connects the pipe-line mixer
Entrance.
3. a kind of portable polluted bed mud treatment in situ integrated apparatus according to claim 2, it is characterised in that described
The purified liquor outlet of depth concentrated dewatering unit be also connected with reflux pump, and return to concentration tank.
4. a kind of portable polluted bed mud treatment in situ integrated apparatus according to claim 2, it is characterised in that described
The upper clear supernate outlet of pre-concentration unit be also connected with flushing pump, the delivery port of the flushing pump be also respectively connected with the Scatula and
Depth concentrated dewatering unit；
The purified liquor outlet of described depth concentrated dewatering unit is also connected with reflux pump, and returns to concentration tank.
5. a kind of portable polluted bed mud treatment in situ integrated apparatus according to claim 1, it is characterised in that described
Slagging-off desanding integrated unit include double-deck vibratory sieve, wherein, lower floor is the vibration that can remove more than 2mm debris every slag
Sieve, upper strata is vibrating-dewatering screen, and described vibration is directly connected to mud charging aperture every the entrance that slag is sieved, and slurry outlet passes through pipeline
Pulp pump and hydrocyclone are sequentially connected, solid sundries outlet connects various articles collecting apparatus, the water by belt conveyor
The liquid outlet of power cyclone connects the pre-concentration unit, and solid outlet connects the vibrating-dewatering screen, vibrating-dewatering screen
Grains of sand outlet connects grains of sand receiving device by belt conveyor.
6. a kind of portable polluted bed mud treatment in situ integrated apparatus according to claim 5, it is characterised in that described
Hydrocyclone liquid outlet and pre-concentration unit between be additionally provided with intermediate buffer tank；
The grains of sand reception device is grains of sand storage tank, and the various articles collecting apparatus is glove compartment；
Described hydrocyclone can remove the 200 mesh above particle diameter grains of sand in mud.
7. a kind of portable polluted bed mud treatment in situ integrated apparatus according to claim 1, it is characterised in that described
Pre-concentration unit be concentration tank, its diameter is in 2~6m, highly in 2.5~5m, and described concentration tank is provided with three from inside to outside
Layer, wherein, internal layer is used for the stirring pre-concentration of sludge, and intermediate layer and outer layer cooperatively form supernatant overflow canal, and its bottom is set
Mud mouth, and connect the depth upgrading unit；
Described depth concentrated dewatering unit is integrative belt thickening and dewatering machine, a width of 1~3m of its strainer band, Treatment of Sludge ability
For 3~15m3(mud cake)/h.
8. a kind of portable polluted bed mud treatment in situ integrated apparatus according to claim 1, it is characterised in that described
Dosing conditioning unit in the conditioning medicament that adds be coagulant or flocculant, wherein,
Described coagulant be selected from aluminium polychloride, poly-ferric chloride, PAFC, bodied ferric sulfate, polyaluminium sulfate,
At least one of polymeric aluminium ferrum silicate, ferric trichloride or aluminum sulfate, it adds concentration for 0.15~1.5g/L,
Described flocculant is surfactant or high polymer coagulant, and it adds concentration for 50~500mg/L.
9. a kind of portable polluted bed mud treatment in situ integrated apparatus according to claim 1, it is characterised in that described
Moving assembly for environmental protection twist inhale ship.
10. using the processing work of the portable polluted bed mud treatment in situ integrated apparatus as described in claim 1~9 is any
Skill, it is characterised in that comprise the following steps：
(a) in pollution of river bed mud feeding slagging-off desanding integrated unit, removed the gred successively, desanding is handled, wherein, removing
Miscellaneous slag sends into various articles collecting apparatus, and grains of sand feeding grains of sand receiving device, the bed mud after slagging-off desanding enters dosing conditioning unit；
(b) bed mud after slagging-off desanding enters dosing conditioning unit, adds medicament mixing conditioning, and form sludge alumen ustum；
(c) sludge alumen ustum is sent into pre-concentration unit, carries out pre-concentration processing, wherein, the feeding depth concentration of pre-concentration sludge is de-
Water unit；
(d) pre-concentration sludge is admitted in depth concentrated dewatering unit, is sequentially completed depth concentration and fast dewatering, is obtained transporting
Defeated or recycling dehydrated sludge cake.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107973515A (en) * | 2017-11-22 | 2018-05-01 | 煤科集团杭州环保研究院有限公司 | A kind of river environment-protective desilting and movable type sludge thickening system |
| CN108862959A (en) * | 2018-09-26 | 2018-11-23 | 成都诺德源环保科技有限公司 | Innoxious sludge treating system and method |
| CN109867386A (en) * | 2019-03-29 | 2019-06-11 | 中交上海航道勘察设计研究院有限公司 | A kind of waterborne moveable mud conditioning device and treatment process |
| CN110963654A (en) * | 2019-12-19 | 2020-04-07 | 路德环境科技股份有限公司 | Engineering slurry treatment system and method |
| CN111995212A (en) * | 2020-09-21 | 2020-11-27 | 长江河湖建设有限公司 | Desilting mud multiple-effect combination mud-water separation system |
| CN112551839A (en) * | 2020-12-10 | 2021-03-26 | 北京新风航天装备有限公司 | Process for treating oily sludge |
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