CN208711927U - A kind of system of the purification recycling cleaned coal mud from coal slime - Google Patents
A kind of system of the purification recycling cleaned coal mud from coal slime Download PDFInfo
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- CN208711927U CN208711927U CN201821378053.7U CN201821378053U CN208711927U CN 208711927 U CN208711927 U CN 208711927U CN 201821378053 U CN201821378053 U CN 201821378053U CN 208711927 U CN208711927 U CN 208711927U
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Abstract
The system that the utility model discloses a kind of to purify recycling cleaned coal mud from coal slime comprising: classifying cyclone, separation of coarse slime system, one section of thickener, two sections of thickeners, dehydration device, lamination sieve, dewatering drying device.The utility model has investment low, it is high-efficient, good in economic efficiency advantage enters to wash per year 6000000 tons of raw coal and calculates, after recycling cleaned coal mud by the utility model method, dump ten thousand tons of coal slime about 60-65, the low ash coarse granule cleaned coal mud of recycling is about ten thousand tons of 35-40, greatly reduces the wasting of resources, improves resource utilization, meanwhile greatly reducing and dumping slime content.
Description
Technical field:
The utility model relates to a kind of systems of purification recycling cleaned coal mud, purify recycling from coal slime more particularly to one kind
The system of cleaned coal mud.
Background technique:
Coal slime processing is one of most important link of Coal Preparation Plant.The coal slime of existing Coal Preparation Plant is handled
Method is mostly to be dehydrated after the concentrated machine sedimentation concentration of black water through plate and frame filter press, then direct outlet.At such coal slime
There are serious later period environment protection treating hidden danger for reason method: the fugitive dust that coal slime stacks place first pollutes ambient atmosphere,
Local underground water is polluted after being seeped under secondary black water, last outlet coal slime itself is used as solid waste to cause discharge place vegetation
It destroys.In addition, granularity is greater than 0.075mm, ash content less than 35% low ash thick in the coal slime of such coal slime processing method outlet
Beans mud accounts for about the 35-40% or so of outlet coal slime, this part low ash coarse granule coal slime is used as power plant after can recycling completely and fires
Material, but because of the defect of raw coal mud processing method, this part low ash coarse granule coal slime presses washing waste outlet completely, enters to wash per year
6000000 tons of raw coal calculate, and dump about 1,000,000 tons of coal slime after the dehydration of original process plate and frame filter press, wherein recyclable low ash thick
Beans mud is about ten thousand tons of 35-40, and there are the serious wastings of resources.
Utility model content:
The system that the purpose of this utility model is to provide a kind of to purify recycling cleaned coal mud from coal slime.
The purpose of this utility model is implemented by following technical solution: a kind of system of the purification recycling cleaned coal mud from coal slime,
It includes classifying cyclone, separation of coarse slime system, one section of thickener, two sections of thickeners, dehydration device, lamination sieve, is dehydrated and does
The feeding inlet of dry device, the overflow port of the classifying cyclone and one section of thickener passes through piping connection, the classification rotation
Flow the underflow opening of device and the feeding inlet of the separation of coarse slime system by piping connection, the overflow port of one section of thickener with
The feeding inlet of two sections of thickeners passes through piping connection, the feeding inlet of the underflow opening of one section of thickener and lamination sieve
By piping connection, the lamination sieve oversize outlet and the feeding inlet of the dewatering drying device pass through piping connection, described
The feeding inlet of the filtrate (liquid of dewatering drying device and one section of thickener is gone out by piping connection, the lamination sieve screenings
The feeding inlet of mouth and two sections of thickeners passes through piping connection, and two sections of thickener underflow mouths enter with the dehydration device
Material mouth passes through piping connection by piping connection, the filtrate (liquid of the dehydration device and the feeding inlet of one section of thickener.
Preferably, the dewatering drying device includes plate indentation charging basket, the first plate and frame filter press, drying device, described folded
Layer sieve oversize outlet with plate indentation charging basket feeding inlet by piping connection, the plate indentation charging basket discharge port and described the
For one plate and frame filter press feeding inlet by piping connection, the first plate and frame filter press discharge gate and the drying device feeding inlet are logical
Piping connection is crossed, the filtrate (liquid of first plate and frame filter press and the feeding inlet of one section of thickener pass through piping connection.
Alternatively, the dewatering drying device is sedimentation-type centrifuge.
Alternatively, the dewatering drying device include plate indentation charging basket, the first plate and frame filter press, drying device, decanter type from
Scheming, charging basket feeding inlet is pressed into the plate respectively for the lamination sieve oversize outlet and the sedimentation-type centrifuge feeding inlet is logical
Cross piping connection, the plate indentation charging basket discharge port and the first plate and frame filter press feeding inlet are by piping connection, and described the
By piping connection, the filtrate of first plate and frame filter press goes out for one plate and frame filter press discharge gate and the drying device feeding inlet
Mouthful pass through piping connection with the feeding inlet of one section of thickener, the filtrate (liquid of the sedimentation-type centrifuge and described one section it is dense
The feeding inlet of contracting machine passes through piping connection.
Preferably, the dehydration device is the second plate and frame filter press.
Preferably, elevation of water is higher than two sections of thickeners feeding inlet institute where the overflow port of one section of thickener
In elevation of water.
Preferably, it is connected to solid in the pipeline between the overflow port and two sections of thickener feeding inlets of one section of thickener
Surely it is connected with flocculant chemicals dosing plant.
Wherein, the lamination sieve is the folded of the model FY-HVS-1500 of Anhui Fangyuan Plastics Co., Ltd's production
Layer sieve.
The lamination sieve is mainly collected by tripper, feeder, upper and lower screen frame, dither motor, lamination sieve oversize
The parts such as hopper, lamination sieve screenings bunker for collecting, electrical junction box and frame form, in which:
(1) tripper
Tripper is a circular double walled tank, and ore pulp enters inner canister by tripper top center feeding inlet, the allocated
Groove flows out to outer tank, is connected with five outlets of tripper, to have the function that equivalent distributes ore pulp.
(2) feeder
Lamination sieves each sifting bed and is equipped with individual feeder.It is connected between tripper and feeder with hose.Feeder
Effect be that the ore pulp from tripper is evenly dispersed on compass screen surface, it is ensured that graded desliming effect.
(3) screen frame
Lamination sieve is using single top screen frame and four bottom screen frame compositions.On-the-sieve material is introduced into the end of each sieve
End, is recycled by oversize bunker for collecting.Undersize material is aggregated into the discharge of screenings bunker for collecting through undersize material catch tray.On
Rubber spring is installed between lower screen frame, influences frame by the vibration of assembling screen frame, reduces operation noise.
(4) vibrator motor
Lamination sieve utilizes double freedom resonance principle, is driven using single exciting source, realizes complete machine straight-line oscillation and exciting
Device taps the complex vibration of sieve vibration.Double vibrator motors belong to induction motor, are directly installed on lamination sieve top
On screen frame, the high frequency vibrating power generated by eccentric block pushes sieve separation and transmission solid material.
The advantages of the utility model: being connected by two thickeners of setting and be concentrated, that is, realize the first classification of black water,
The workload of subsequent stacks sieve desliming is reduced again；In one section of thickener, the heavier coarse granule coal slime of the more big and heavy amount of particle is natural
Sink, realizes the classification collection for the first time of relatively coarseness coal slime of the granularity level greater than 0.045mm and concentration, this fraction of coarser
Degree coal slime underflow pump goes to lamination sieve, carries out secondary desliming drop ash, reduces wherein granularity level and is less than 0.045mm, ash content is greater than
The content of 70% high ash thin mud, lamination sieve oversize after dehydrating, final to realize that granularity is lower compared with coarse ash in coal slime
Coarse slime recovery utilize；The lighter fine coal slurry of particle lower weight, overflow to two sections of thickeners, by add flocculant to settle with
And subsequent dehydration, finally landfill disposal is integrated with washing spoil.Using two thickener series connection concentrations and lamination sieve desliming, ash drops
The classification principle combined realizes the efficient purification recycling of low ash coarse granule cleaned coal mud in coal slime, and coarse slime recovery yield is about
For 35-40% or so, ash content is less than 35%, and low heat valve is greater than 3500Cal/g, and this method has investment low, high-efficient,
Simple process, good in economic efficiency advantage enter to wash per year 6000000 tons of raw coal and calculate, and recycle cleaned coal mud by the utility model method
Afterwards, ten thousand tons of coal slime about 60-65 is dumped, the low ash coarse granule cleaned coal mud of recycling is about ten thousand tons of 35-40, greatly reduce the wasting of resources,
Resource utilization is improved, meanwhile, greatly reduce and dumps slime content.
Detailed description of the invention:
Fig. 1 is the corresponding system schematic of embodiment 1.
Fig. 2 is the corresponding system schematic of embodiment 2.
Fig. 3 is the corresponding system schematic of embodiment 3.
Fig. 4 is the corresponding process flow chart of embodiment 4.
Fig. 5 is the corresponding process flow chart of embodiment 5.
Fig. 6 is the corresponding process flow chart of embodiment 6.
Wherein: 1, one section of thickener 2 of classifying cyclone, 3, two sections of thickeners 4 of separation of coarse slime system, lamination sieve 5, plate pressure
Feeding bucket 6, the first plate and frame filter press 7, sedimentation-type centrifuge 8, the second plate and frame filter press 9, drying device 10, flocculant dosing dress
Set 11；
"+" indicates underflow, oversize or dehydration product, and "-" indicates overflow, screenings or filtrate.
Specific embodiment:
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clear, complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1:
As shown in Figure 1, a kind of system of the purification recycling cleaned coal mud from coal slime comprising 1, one section of classifying cyclone concentration
Machine 2,3, two sections of thickeners 4 of separation of coarse slime system, lamination sieve 5, plate are pressed into charging basket 6, the first plate and frame filter press 7, the second sheet frame
Filter press 9, drying device 10, flocculant chemicals dosing plant 11, system black water are classified through classifying cyclone 1, classifying cyclone 1
The feeding inlet of overflow port and one section of thickener 2 enters one section of thickener 2 by piping connection, Grading Overflow, classifying cyclone 1
For the feeding inlet of underflow opening and separation of coarse slime system 3 by piping connection, classification underflow enters separation of coarse slime system 3, and one section
The feeding inlet of the overflow port of thickener 2 and two sections of thickeners 4 passes through piping connection, the coal slime natural subsidence in one section of thickener 2
Classification, top layer particle is smaller, lighter in weight high ash coal slime overflow enters two sections of 4 flocculating settings of thickener, one section of thickener 2
Underflow opening and lamination sieve 5 feeding inlet by piping connection, in one section of thickener 2 underflow compared with the coal slurrypump of coarseness rotate into
Lamination sieve 5；
Lamination sieves the outlet of 5 oversizes with plate indentation 6 feeding inlet of charging basket by piping connection, plate be pressed into 6 discharge port of charging basket with
First plate and frame filter press, 7 feeding inlet is passed through by piping connection, 7 discharge gate of the first plate and frame filter press with 10 feeding inlet of drying device
Piping connection obtains cleaned coal mud after oversize is dehydrated through the first plate and frame filter press 7, drying device 10 is dry, which can return
It mixes to washing cleaned coal or direct marketing, the filtrate (liquid of the first plate and frame filter press 7 and the feeding inlet of one section of thickener 2 pass through pipeline
Connection, lamination sieve the outlet of 5 screenings and the feeding inlets of two sections of thickeners 4 by piping connection, two sections of 4 underflow openings of thickener and the
The feeding inlet of two plate and frame filter press 9 passes through piping connection, and the high ash coal slime in two sections of thickeners 4 is flocculated under flocculant effect
Sedimentation, sedimentation underflow enter the second plate and frame filter press 9, and gained solid product is to dump coal after the dehydration of the second plate and frame filter press 9
Mud dumps coal slime and finally mixes outlet and landfill disposal with washing spoil, the filtrate (liquid of the second plate and frame filter press 9 and one section it is dense
The feeding inlet of contracting machine 2 is used by piping connection, the overflow of two sections of thickeners 4 as recirculated water, and water-saving and emission-reducing is conducive to.
Wherein, elevation of water where the overflow port of one section of thickener 2 is higher than horizontal plane where two sections of 4 feeding inlets of thickener
Highly, the overflow of one section of thickener 2 can flow automatically to the feeding inlet of two sections of thickeners 4, simple energy conservation；It is connected to one section of thickener 2
It is fixedly connected with flocculant chemicals dosing plant 11 in pipeline between overflow port and two sections of 4 feeding inlets of thickener, convenient for flocculation is added
Agent.
Embodiment 2:
As shown in Fig. 2, a kind of system of the purification recycling cleaned coal mud from coal slime comprising 1, one section of classifying cyclone concentration
Machine 2,3, two sections of thickeners 4 of separation of coarse slime system, lamination sieve 5, sedimentation-type centrifuge 8, the second plate and frame filter press 9, flocculant
Chemicals dosing plant 11, system black water are classified through classifying cyclone 1, the pan feeding of the overflow port of classifying cyclone 1 and one section of thickener 2
For mouth by piping connection, Grading Overflow enters one section of thickener 2, underflow opening and the separation of coarse slime system 3 of classifying cyclone 1
For feeding inlet by piping connection, classification underflow enters separation of coarse slime system 3, and the overflow port of one section of thickener 2 is concentrated with two sections
The feeding inlet of machine 4 is by piping connection, coal slime natural subsidence classification in one section of thickener 2, and top layer particle is smaller, lighter in weight
High ash coal slime overflow enter two sections of 4 flocculating settings of thickener, the feeding inlet of the underflow opening of one section of thickener 2 and lamination sieve 5
By piping connection, underflow is rotated into compared with the coal slurrypump of coarseness into lamination sieve 5 in one section of thickener 2；
Lamination sieves the outlet of 5 oversizes with 8 feeding inlet of sedimentation-type centrifuge by piping connection, and oversize is centrifuged through decanter type
Machine 8 obtains cleaned coal mud after being dehydrated, which, which can return, mixes to washing cleaned coal or direct marketing, and the filtrate of sedimentation-type centrifuge 8 goes out
The feeding inlet of mouth and one section of thickener 2 is led to by piping connection, lamination 5 screenings of sieve outlet and the feeding inlet of two sections of thickeners 4
Cross piping connection, the feeding inlet of two sections of 4 underflow openings of thickener and the second plate and frame filter press 9 passes through piping connection, two sections of thickeners 4
Interior high ash coal slime flocculating setting under flocculant effect, sedimentation underflow enters the second plate and frame filter press 9, through the second sheet frame pressure
Gained solid product is to dump coal slime after filter 9 is dehydrated, and dumps coal slime and finally mixes outlet and landfill disposal with washing spoil, the
By piping connection, the overflow of two sections of thickeners 4 is made for the filtrate (liquid of two plate and frame filter press 9 and the feeding inlet of one section of thickener 2
For recirculated water use, be conducive to water-saving and emission-reducing.
Wherein, elevation of water where the overflow port of one section of thickener 2 is higher than horizontal plane where two sections of 4 feeding inlets of thickener
Highly, the overflow of one section of thickener 2 can flow automatically to the feeding inlet of two sections of thickeners 4, simple energy conservation；It is connected to one section of thickener 2
It is fixedly connected with flocculant chemicals dosing plant 11 in pipeline between overflow port and two sections of 4 feeding inlets of thickener, convenient for flocculation is added
Agent.
Embodiment 3:
As shown in figure 3, a kind of system of the purification recycling cleaned coal mud from coal slime comprising 1, one section of classifying cyclone concentration
Machine 2,3, two sections of thickeners 4 of separation of coarse slime system, lamination sieve 5, plate indentation charging basket 6, the first plate and frame filter press 7, decanter type from
Scheming 8, the second plate and frame filter press 9, drying device 10, flocculant chemicals dosing plant 11, system black water divide through classifying cyclone 1
For the feeding inlet of grade, the overflow port of classifying cyclone 1 and one section of thickener 2 by piping connection, Grading Overflow enters one section of concentration
By piping connection, classification underflow enters rough coal for machine 2, the underflow opening of classifying cyclone 1 and the feeding inlet of separation of coarse slime system 3
Mud separation system 3, the overflow port of one section of thickener 2 and the feeding inlet of two sections of thickeners 4 pass through piping connection, one section of thickener 2
Interior coal slime natural subsidence classification, top layer particle is smaller, lighter in weight high ash coal slime overflow enters two sections of thickeners 4 and flocculates
The feeding inlet of sedimentation, underflow opening and the lamination sieve 5 of one section of thickener 2 passes through piping connection, and underflow is compared with coarse grain in one section of thickener 2
The coal slurrypump of degree is rotated into lamination sieve 5；
Lamination sieves the outlet of 5 oversizes and passes through pipeline with plate indentation 6 feeding inlet of charging basket and 8 feeding inlet of sedimentation-type centrifuge respectively
Connection, plate are pressed into 6 discharge port of charging basket and 7 feeding inlet of the first plate and frame filter press and pass through piping connection, 7 discharge of the first plate and frame filter press
Mouthful with 10 feeding inlet of drying device by piping connection, a part of oversize is dehydrated through the first plate and frame filter press 7, drying device 10
Obtain cleaned coal mud after drying, remaining oversize obtains cleaned coal mud after the dehydration of sedimentation-type centrifuge 8, which, which can return, mixes to washing
Cleaned coal or direct marketing are selected, the filtrate (liquid of the first plate and frame filter press 7 and the feeding inlet of one section of thickener 2 pass through piping connection,
The feeding inlet of the filtrate (liquid of sedimentation-type centrifuge 8 and one section of thickener 2 by piping connection, lamination sieve the outlet of 5 screenings with
The feeding inlet of two sections of thickeners 4 by piping connection, lead to by the feeding inlet of two sections of 4 underflow openings of thickener and the second plate and frame filter press 9
Piping connection is crossed, the flocculating setting under flocculant effect of the high ash coal slime in two sections of thickeners 4, sedimentation underflow enters the second plate
Frame filter press 9, through the second plate and frame filter press 9 dehydration after gained solid product be dump coal slime, dump coal slime finally with washing cash
Stone mixes outlet and landfill disposal, and the filtrate (liquid of the second plate and frame filter press 9 and the feeding inlet of one section of thickener 2 are connected by pipeline
It connects, the overflow of two sections of thickeners 4 is used as recirculated water, is conducive to water-saving and emission-reducing.
Wherein, elevation of water where the overflow port of one section of thickener 2 is higher than horizontal plane where two sections of 4 feeding inlets of thickener
Highly, the overflow of one section of thickener 2 can flow automatically to the feeding inlet of two sections of thickeners 4, simple energy conservation；It is connected to one section of thickener 2
It is fixedly connected with flocculant chemicals dosing plant 11 in pipeline between overflow port and two sections of 4 feeding inlets of thickener, convenient for flocculation is added
Agent.
Embodiment 4:
The system black water that washing system generates, which enters in classifying cyclone 1, to be classified, in Grading Overflow, slime size
Composition and chemical examination situation are as shown in the table, wherein granularity level will be less than 0.045mm, coal slime of the content of ashes greater than 70% is named
For high ash coal slime, coal slime of the granularity level greater than 0.045mm is named as the coal slime compared with coarseness, and content of ashes is less than 35%
Coal slime is named as cleaned coal mud.
Slime size composition and chemical examination situation in Grading Overflow
Just accumulative accounting refers to the sum of all grade coal slime accountings greater than a certain partial size.
Positive cumulative ash content refers to the coal slime ash content after all grade coal slimes greater than a certain partial size mix.
Just accumulative calorific value refers to the coal slime calorific value after all grade coal slimes greater than a certain partial size mix.
As shown in figure 4, the system black water that washing system generates is purified using 1 system of embodiment, purification recycling
The method of cleaned coal mud specifically comprises the following steps: that (1) system black water is classified through classifying cyclone 1；(2) Grading Overflow is through one section
2 classification of sedimentation of thickener；(3) coal slime sieves 5 secondary gradings through lamination；(4) oversize dehydrates to obtain cleaned coal mud；(5) high ash
Fine coal slurry overflow flocculation deposition seperation obtains dumping coal slime；Wherein,
(1) system black water is classified through classifying cyclone: the system black water that washing system generates enters classifying cyclone 1
In be classified, Grading Overflow enters one section of thickener 2, and classification underflow enters separation of coarse slime system 3；
(2) Grading Overflow is through one section of thickener classification of sedimentation: Grading Overflow is classified through one section of 2 natural subsidence of thickener, top
Layer particle is smaller, high ash coal slime overflow of lighter in weight enters two sections of 4 flocculating settings of thickener；It is received by natural subsidence process
Collect and the underflow being concentrated is rotated into compared with the coal slurrypump of coarseness into lamination sieve 5；
(3) coal slime sieves secondary grading through lamination: underflow is sieved compared with the coal slime of coarseness through lamination sieve 5, and oversize is discharged into plate
It is pressed into charging basket 6, screenings backs into two sections of thickeners 4；
(4) oversize dehydrates to obtain cleaned coal mud: the oversize of lamination sieve 5 is collected through plate indentation charging basket 6 enters first
Plate and frame filter press 7 is dehydrated, and the wet coal slime obtained after the dehydration of the first plate and frame filter press 7 obtains cleaned coal after drying device 10 is dry
Mud, the filtrate that 7 filters pressing of the first plate and frame filter press generates return to one section of thickener 2；
(5) high ash coal slime overflow flocculation deposition seperation obtains dumping coal slime: high ash coal slime overflow enters two sections of concentrations
In machine 4, the flocculating setting under flocculant effect, sedimentation underflow high ash coal slime enters the second plate and frame filter press 9, through the second sheet frame
Gained solid product is to dump coal slime after filter press 9 is dehydrated, and dumps coal slime and finally mixes outlet and landfill disposal with washing spoil,
The filtrate being press-filtered out through the second plate and frame filter press 9 returns to one section of thickener 2, and the overflow of two sections of thickeners 4, which can be used as recirculated water, to be made
With being conducive to water-saving and emission-reducing.The present embodiment flocculant is polyacrylamide.The flocculant of addition accounts for the weight hundred for dumping delivering dry coal slurry
Divide than being 0.38 ‰.
Embodiment 5:
As shown in figure 5, the method for carrying out purification recycling cleaned coal mud using 2 system of embodiment, specific steps and embodiment 4
Difference is,
Step (3) coal slime sieves secondary grading through lamination: underflow is sieved compared with the coal slime of coarseness through lamination sieve 5, oversize row
Enter sedimentation-type centrifuge 8, screenings backs into two sections of thickeners 4；
Step (4) oversize dehydrates to obtain cleaned coal mud: the oversize of lamination sieve 5 is directly entered sedimentation-type centrifuge 8,
Cleaned coal mud is obtained after the dehydration and drying of sedimentation-type centrifuge 8,8 gained filtrate of sedimentation-type centrifuge returns to one section of thickener 2, lamination
It sieves 5 screenings and returns to two sections of thickeners 4, which, which can return, mixes to washing cleaned coal or direct marketing.
In the present embodiment, flocculant is Sodium Polyacrylate.The flocculant of addition, which accounts for, to be dumped the weight percent of delivering dry coal slurry and is
0.1‰。
Embodiment 6:
As shown in fig. 6, the method for carrying out purification recycling cleaned coal mud using 3 system of embodiment, specific steps and embodiment 4
Difference is,
Step (3) coal slime sieves secondary grading through lamination: underflow is sieved compared with the coal slime of coarseness through lamination sieve 5, oversize point
It is not discharged into plate indentation charging basket 6 and sedimentation-type centrifuge 8, screenings back into two sections of thickeners 4；
Step (4): oversize a part of lamination sieve 5 is collected de- into the first plate and frame filter press 7 through plate indentation charging basket 6
Water, the wet coal slime obtained after the dehydration of the first plate and frame filter press 7 obtain cleaned coal mud, the first plate compression after drying device 10 is dry
The filtrate that 7 filters pressing of machine generates returns to one section of thickener 2；The oversize remainder of lamination sieve 5 is directly entered sedimentation-type centrifuge
8, cleaned coal mud is obtained after the dehydration and drying of sedimentation-type centrifuge 8,8 gained filtrate of sedimentation-type centrifuge returns to one section of thickener 2, folds
Layer 5 screenings of sieve return to two sections of thickeners 4, which, which can return, mixes to washing cleaned coal or direct marketing.
Flocculant is polyoxyethylene in the present embodiment.The flocculant of addition, which accounts for, to be dumped the weight percent of delivering dry coal slurry and is
0.5‰。
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of system of the purification recycling cleaned coal mud from coal slime, which is characterized in that it includes classifying cyclone, separation of coarse slime
System, one section of thickener, two sections of thickeners, dehydration device, lamination sieve, dewatering drying device, the overflow of the classifying cyclone
The feeding inlet of mouth and one section of thickener passes through piping connection, the underflow opening of the classifying cyclone and the separation of coarse slime
The feeding inlet of system passes through pipe by piping connection, the overflow port of one section of thickener and the feeding inlet of two sections of thickeners
By piping connection, the lamination sieves on sieve the feeding inlet of road connection, the underflow opening of one section of thickener and lamination sieve
Object outlet and the feeding inlet of the dewatering drying device by piping connection, the filtrate (liquid of the dewatering drying device with it is described
For the feeding inlet of one section of thickener by piping connection, the lamination sieve screenings outlet and the feeding inlet of two sections of thickeners are logical
Piping connection is crossed, two sections of thickener underflow mouths and the feeding inlet of the dehydration device pass through piping connection, the dehydration dress
The feeding inlet of the filtrate (liquid and one section of thickener set passes through piping connection.
2. a kind of system of purification recycling cleaned coal mud from coal slime according to claim 1, which is characterized in that the dehydration
Drying device includes plate indentation charging basket, the first plate and frame filter press, drying device, the lamination sieve oversize outlet and the plate pressure
Feeding bucket feeding inlet passes through pipe by piping connection, the plate indentation charging basket discharge port and the first plate and frame filter press feeding inlet
Road connection, the first plate and frame filter press discharge gate and the drying device feeding inlet pass through piping connection, first sheet frame
The feeding inlet of the filtrate (liquid of filter press and one section of thickener passes through piping connection.
3. a kind of system of purification recycling cleaned coal mud from coal slime according to claim 1, which is characterized in that the dehydration
Drying device is sedimentation-type centrifuge.
4. a kind of system of purification recycling cleaned coal mud from coal slime according to claim 1, which is characterized in that the dehydration
Drying device includes plate indentation charging basket, the first plate and frame filter press, drying device, sedimentation-type centrifuge, and the lamination sieves oversize
Outlet is pressed into charging basket feeding inlet and the sedimentation-type centrifuge feeding inlet with the plate respectively and passes through piping connection, the plate indentation
Charging basket discharge port and the first plate and frame filter press feeding inlet pass through piping connection, the first plate and frame filter press discharge gate and institute
Drying device feeding inlet is stated by piping connection, the filtrate (liquid of first plate and frame filter press enters with one section of thickener
For material mouth by piping connection, the feeding inlet of the filtrate (liquid of the sedimentation-type centrifuge and one section of thickener passes through pipeline company
It connects.
5. a kind of system of purification recycling cleaned coal mud from coal slime according to claim 1, which is characterized in that the dehydration
Device is the second plate and frame filter press.
6. a kind of system of purification recycling cleaned coal mud from coal slime according to any one of claims 1 to 5, feature exist
In horizontal plane is high where elevation of water is higher than two sections of thickeners feeding inlet where the overflow port of one section of thickener
Degree.
7. a kind of system of purification recycling cleaned coal mud from coal slime according to claim 1, which is characterized in that described in connection
Flocculant chemicals dosing plant is fixedly connected in pipeline between the overflow port and two sections of thickener feeding inlets of one section of thickener.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821378053.7U CN208711927U (en) | 2018-08-24 | 2018-08-24 | A kind of system of the purification recycling cleaned coal mud from coal slime |
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| CN201821378053.7U CN208711927U (en) | 2018-08-24 | 2018-08-24 | A kind of system of the purification recycling cleaned coal mud from coal slime |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052326A (en) * | 2018-08-24 | 2019-07-26 | 鄂尔多斯市中钰泰德煤炭有限公司 | A kind of system and method for the purification recycling cleaned coal mud from coal slime |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052326A (en) * | 2018-08-24 | 2019-07-26 | 鄂尔多斯市中钰泰德煤炭有限公司 | A kind of system and method for the purification recycling cleaned coal mud from coal slime |
| CN110052326B (en) * | 2018-08-24 | 2024-05-28 | 鄂尔多斯市中钰泰德煤炭有限公司 | System and method for purifying and recycling refined coal slime |
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