CN106861896A - Superposition pump, the increase and decrease pressure product eddy flow coal selector of autologous density two - Google Patents
Superposition pump, the increase and decrease pressure product eddy flow coal selector of autologous density two Download PDFInfo
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- CN106861896A CN106861896A CN201710232287.4A CN201710232287A CN106861896A CN 106861896 A CN106861896 A CN 106861896A CN 201710232287 A CN201710232287 A CN 201710232287A CN 106861896 A CN106861896 A CN 106861896A
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- coal
- pump
- medium
- cyclone
- raw coal
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- 239000003245 coal Substances 0.000 title claims abstract description 181
- 238000000926 separation method Methods 0.000 claims abstract description 25
- 238000005516 engineering process Methods 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 238000000605 extraction Methods 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 23
- 238000002156 mixing Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- 230000033228 biological regulation Effects 0.000 claims description 9
- 238000013019 agitation Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 6
- 238000004513 sizing Methods 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 abstract description 6
- 239000000843 powder Substances 0.000 abstract description 6
- 238000002360 preparation method Methods 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000005086 pumping Methods 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000000725 suspension Substances 0.000 abstract description 3
- 238000011109 contamination Methods 0.000 abstract description 2
- 230000035611 feeding Effects 0.000 description 30
- 238000000034 method Methods 0.000 description 7
- 238000012216 screening Methods 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- 239000010866 blackwater Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000005525 hole transport Effects 0.000 description 1
- 239000006148 magnetic separator Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 239000013055 pulp slurry Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/005—General arrangement of separating plant, e.g. flow sheets specially adapted for coal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
- B03B5/32—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions using centrifugal force
- B03B5/34—Applications of hydrocyclones
Landscapes
- Cyclones (AREA)
Abstract
The present invention relates to coal preparation technology, specially a kind of superposition pump, the increase and decrease pressure product eddy flow coal selector of autologous density two.Solving current Coal Cleaning by Dense Medium Cyclone technology needs the magnetite powder formulated suspension to cause the numerous and diverse technical problem of high cost operational administrative.One kind superposition pump, the increase and decrease pressure product eddy flow coal selector of autologous density two, including the cyclone of tilt adjustable, speed governing pressurising medium pump, cleaned coal dewatering screen, spoil dewatering screen and the autologous density medium storehouse with agitating function;Cyclone feeding mouth on cyclone is used to receive raw coal and bath, and the dielectric fluid in autologous density medium storehouse is realized recycling in pumping into cyclone by speed governing pressurising medium pump.Device of the present invention overcomes the shortcoming of numerous and diverse dielectric film filter system of jigging coal works great system engineering and dense-medium separation, start underground coal separation, Filter Tuber For Clean Coal is sent on well, pollution sources gangue is eliminated in underground, effectively repeated contamination of the gangue to environment in management and control coal production.
Description
Technical field
The present invention relates to coal preparation technology, specially a kind of superposition pump, the increase and decrease pressure product eddy flow coal selector of autologous density two.
Suitable for underground.
Background technology
With the development of coal deep process technology, Coal Cleaning by Dense Medium Cyclone technology is used widely, to China's coal separation
The raising of technical merit is made that significant contribution.Coal Cleaning by Dense Medium Cyclone is not only prepared using larger magnetite powder and suspended
Liquid, while also needing constantly to be detected in process of production, adding the operations such as Jie, de-mediated, de- magnetic, also needs to enter by magnetic separator in addition
Row reclaims magnetite powder, causes production cost to increase, and production management is numerous and diverse.To promote the innovation of coal deep process technology, having must
Researching and developing a kind of coal separation flow, reliability of can simplifying reduces the new coal preparation technology of production cost.
The content of the invention
The present invention causes high cost for the current Coal Cleaning by Dense Medium Cyclone technology of solution needs magnetite powder formulated suspension
The numerous and diverse technical problem of operational administrative, for underground coal separation provides a kind of superposition pump, the increase and decrease pressure product eddy flow coal separation of autologous density two
Device.
The present invention is realized using following technical scheme:One kind superposition pump, increase and decrease pressure autologous density two product eddy flow choosing
Device for coal, including the cyclone of tilt adjustable, speed governing pressurising medium pump, cleaned coal dewatering screen, spoil dewatering screen and have
The autologous density medium storehouse of agitating function;Cyclone feeding mouth on cyclone is used to receive raw coal and bath, on cyclone
Pressure medium entrance is connected by pipeline and speed governing pressurising medium pump with autologous density medium storehouse, and it is right that cleaned coal dewatering screen is used for
The material comprising cleaned coal that sorting cleaned coal outlet on cyclone is isolated carries out separation of solid and liquid, and spoil dewatering screen is used for eddy flow
The material comprising spoil that sorting spoil outlet on device is isolated carries out separation of solid and liquid;Cleaned coal dewatering screen and spoil dehydration screening
The liquid for separating out is by Pipeline transport to autologous density medium storehouse;Dielectric fluid in autologous density medium storehouse is pressurized by speed governing and is situated between
Matter pump is realized recycling in pumping into cyclone.
Operation principle of the invention is, using the operating pressure for changing speed governing pressurising medium pump, to substitute magnetite powder, is passed through
Increasing, the method for decompression power, two media(The pulp slurry for being formed in water, production)It is changed into a kind of WATER AS FLOW MEDIUM (controlling density),
Using the difference of material autologous density in the presence of high pressure, circumferentially rotation produces centrifugation to material at a high speed in cyclone device
The difference of power, is separated by density, that is, spoil and coal separation.The present invention has overturned existing completely from operation principle
The limitation of technology, the dielectric fluid that coal separation is isolated is recycled, and need not use the premise of magnetite powder formulated suspension
Under realize the separation of cleaned coal and spoil.
Further, the raw coal is delivered to cyclone feeding mouth by conveyer system of raw coal;The conveyer system of raw coal
Raw coal is unloaded including underground raw coal belt, the raw coal discharger being located above the raw coal belt of underground, for conveying raw coal discharger
The sorting of raw coal 1 belt, be located at No. 1 raw coal sizing screen of sorting belt output end of raw coal, raw coal disintegrating machine and by raw coal
The lower coal of disintegrating machine sieve and it is broken after raw coal be delivered to the raw coal 2 of cyclone feeding mouth and sort belts;It is dehydrated by spoil
The spoil that screening is separated out is transported by No. 2 belt feeders of No. 1 belt feeder of spoil and spoil;The cleaned coal sifted out through cleaned coal dewatering screen via
Cleaned coal belt feeder and underground raw coal belt are transported.
The technological process of the present apparatus(As shown in Figure 1):Underground raw coal belt is in the presence of raw coal discharger so that one
Belt turns into two kinds of purposes, and raw coal discharger back segment is raw coal belt, and discharger leading portion becomes cleaned coal belt, and one with dual-purpose.
After raw coal to be screened and bath mixing, the central inlet of cyclone upper end is entered by cyclone feeding mouth, due to actual point
Select density and autogenous medium water density difference greatly, speed governing pressurising medium pump is the mixing liquid in spontaneous density medium storehouse(Medium
Liquid)Pressurizeed by respective line, the dielectric fluid after pressurization enters pressure medium entrance, and being given to inside cyclone makes pressure medium liquid
Injected in cyclone along the tangential direction in cyclone, medium is made circumference and rotate at a high speed, cause liquid in the effect of centrifugal force
Under, the small coal of density exports outflow in the sorting cleaned coal of cyclone, and the big spoil of density is by cutting that cyclone sorting spoil is exported
Project in line direction.The material that the outlet of sorting cleaned coal and sorting spoil outlet are projected is dehydrated by by cleaned coal dewatering screen and spoil respectively
Sieve makees separation of solid and liquid, and the liquid after separation is then recycled by respective line into spontaneous density medium storehouse.
Underground conveyer system of raw coal is used to convey raw coal, while the cleaned coal that will can also be isolated is transported on well;Spoil
The spoil that belt feeder will then be isolated is transported to goaf backfill;The cyclone, raw coal conveying screening crushing system, speed governing increase
Pressure medium pump, spoil belt feeder are each provided at underground, save space and production cost on well.
Further, the angle of inclination of cyclone is by hydraulic lift and the intelligence being connected with hydraulic lift
Can numerical control device realization regulation;Also include being located at connection pressure medium entrance close with pressure on the pipeline of speed governing pressurising medium pump
Degree sensor;Control end of the signal output part of Intelligent digital control device respectively with speed governing pressurising medium pump and hydraulic means is connected
Connect;Pressure density sensor signal output end is connected with the signal input part of Intelligent digital control device.
Device of the present invention can be according to the angle of inclination of coal varitation situation adjust automatically cyclone, with for medium
The difference of density realizes the separation of cleaned coal and spoil.Pressure on the pipeline of connection pressure medium entrance and speed governing pressurising medium pump
Size is detected by pressure density sensor real-time online, and it is right to control speed governing pressurising medium pump to realize by Intelligent digital control device
The control of loine pressure.Pressure density sensor is also by the Media density real-time Transmission in pipeline to Intelligent digital control device, intelligence
Numerical control device is then automatically analyzed to the density of medium in pipeline and is adjusted proportioning, that is, performs the upper limit instruction of density.
Device of the present invention overcomes numerous and diverse dielectric film filter of jigging coal works great system engineering and dense-medium separation
The shortcoming of system, the cyclone, conveyer system of raw coal, speed governing pressurising medium pump are all provided with underground coal preparation technique being allowed to be in
More simplify, be that coal separation cause searches out a truly feasible shortcut, be also the innovation and revolution of coal separation industry.Of the present invention
Coal separation capital equipment simplification is placed on underground, and the treatment of black water is placed on well, and effective resource is separated in underground,
Spoil debris are changed into resource carries out the filling in goaf.
Excellent feature of the invention:
1st, under mine Filter Tuber For Clean Coal production create feasible working condition.
2nd, the difficulty on occupancy ground is solved.
3rd, many pollutions such as the transport of pit waste, the occupation of land spontaneous combustion that storage is caused thoroughly are solved, two are effectively prevented
The generation of sulfur oxide and haze.
4th, shaft production cost of transportation is greatly reduced, the idle work in production, energy saving has been subtracted.
5th, prepared by traditional raw coal for coking coal enterprise and electric power enterprise and be changed to cleaned coal preparation.To ensure Coal Quality.
6th, employment is few, has saved human resources.
7th, equipment is brief, be easy to maintenance.
8th, underground, can be used on well.
This technology will turn into a real transformation and innovation of coal production processing, can be that coal comprehensive exploitation and environment are protected
Shield creates a new road.
Brief description of the drawings
The structural representation of Fig. 1 devices of the present invention.
1- undergrounds raw coal belt, 2- raw coal dischargers, No. 1 sorting belt of 3- raw coal, 4- raw coal sizing screens, 5- raw coal is crushed
Machine, No. 2 sorting belts of 6- raw coal, 7- cyclone feeding mouths, 8- is from the thickening-purification technology water on mine, 9- cyclones, 10- pressurizations
Medium inlet, 11- sorting cleaned coal outlets, 12- cleaned coal dewatering screens, 13- cleaned coal belt feeders, 14- sorting spoil outlets, 15- spoils
Dewatering screen, No. 1 belt feeder of 16- spoils, No. 2 belt feeders of 17- spoils, 18- cyclone angle adjustables, 19- hydraulic lifts,
20- Hydraulic Stations, 21- pressure density sensors, 22- Intelligent digital control devices, 23- liquid level sensors, 24- the first backwater pan feedings
Pipe, 25- agitation cycle pipelines, 26-n circulation stirring pressure regulation branch pipe, 27- autologous density media storehouse, 28- pressure mixing pumps, 29-
Speed governing pressurising medium pump, 30- extraction raffinate discharge pumps, 31- medium pump feeding pipes, 32- medium pump feeding tubes, the intelligent speed-regulatings of 33- first
Tune amount control line, 34- mixing pump feeding pipes, 35- mixing pump feeding tubes, 36- extraction raffinate discharge pump feeding pipes, 37- extraction raffinates pump out material
Pipe, 38- Hydraulic Stations lifting circulation line, 39- the second backwater feeding pipes, 40- the second intelligent speed-regulating tune amount control lines.
Specific embodiment
One kind superposition pump, increase and decrease pressure the product eddy flow coal selector of autologous density two, including tilt adjustable cyclone
9th, speed governing pressurising medium pump 29, cleaned coal dewatering screen 12, spoil dewatering screen 15 and the autologous density medium storehouse with agitating function
27;Cyclone feeding mouth 7 on cyclone 9 is used to receive raw coal and bath, and the pressure medium entrance 10 on cyclone 9 is by pipe
Road and speed governing pressurising medium pump 29 are connected with autologous density medium storehouse 27, and cleaned coal dewatering screen 12 is used on cyclone 9
The material comprising cleaned coal that sorting cleaned coal outlet 11 is isolated carries out separation of solid and liquid, and spoil dewatering screen 15 is used for cyclone 9
The materials comprising spoil isolated of sorting spoil outlet 14 carry out separation of solid and liquid;Cleaned coal dewatering screen 12 and spoil dewatering screen 15
The liquid isolated is by Pipeline transport to autologous density medium storehouse 27;Dielectric fluid in autologous density medium storehouse 27 is by speed governing
Pressurising medium pump 29 is realized recycling in pumping into cyclone 9.
The raw coal is delivered to cyclone feeding mouth 7 by conveyer system of raw coal;The conveyer system of raw coal includes underground
Raw coal belt 1, the raw coal discharger 2 for being located at the top of underground raw coal belt 1, the original that raw coal is unloaded for conveying raw coal discharger 2
The sorting of coal 1 belt 3, it is located at No. 1 raw coal sizing screen 4 of the sorting output end of belt 3 of raw coal, raw coal disintegrating machine 5 and by raw coal
The lower coal of the sieve of disintegrating machine 5 and it is broken after raw coal be delivered to the raw coal 2 of cyclone feeding mouth 7 and sort belts 6;It is de- by spoil
The spoil that water sieve 15 is isolated is transported by No. 2 belt feeders 17 of No. 1 belt feeder 16 of spoil and spoil;Sifted out through cleaned coal dewatering screen 12
Cleaned coal transported via cleaned coal belt feeder 13 and underground raw coal belt 1.
The angle of inclination of cyclone 9 is by hydraulic lift 19 and the intelligent number being connected with hydraulic lift 19
Control device 22 realizes regulation;Also include the pressure being located on the pipeline of connection pressure medium entrance 10 and speed governing pressurising medium pump 29
Density sensor 21;The signal output part of Intelligent digital control device 22 respectively with the control of speed governing pressurising medium pump 29 and hydraulic means
End processed is connected;The signal output part of pressure density sensor 21 is connected with the signal input part of Intelligent digital control device 22.
The agitating function in the autologous density medium storehouse 27 is realized by the circulation stirring system for setting thereon;It is described to follow
Ring stirring system includes being connected to the mixing pump feeding pipe 34 and mixing pump feeding pipe of the middle and upper part side wall of autologous density medium storehouse 27
The 34 pressure mixing pumps 28 being sequentially connected, mixing pump feeding tube 35 and agitation cycle pipeline 25;The agitation cycle pipeline 25
Set around autologous density medium storehouse 27, agitation cycle pipeline 25 is connected with n circulation stirring pressure regulation branch pipe 26;The n is followed
Ring stirring pressure regulation branch pipe 26 is arranged around autologous density medium storehouse 27 and its other end is connected close to autologous density medium storehouse 27
The position of bottom.
Autologous density medium storehouse 27 is provided with extraction raffinate discharge system;The extraction raffinate discharge system includes being connected to autologous density
Extraction raffinate discharge pump 30 that extraction raffinate discharge pump feeding pipe 36 on medium storehouse 27 is connected with extraction raffinate discharge pump feeding pipe 36 and with
The extraction raffinate that extraction raffinate discharge pump 30 is connected pumps out expects pipe 37;Also include the liquid level sensor being located in autologous density medium storehouse 27
23;The signal output part of liquid level sensor 23 is connected with the signal input part of Intelligent digital control device 22;The intelligent numerical control dress
The signal output part for putting 22 is connected with the control end of extraction raffinate discharge pump 30;Pressure medium entrance 10 sequentially passes through medium pump feeding
Pipe 32, speed governing pressurising medium pump 29 and medium pump discharge nozzle 31 are connected with autologous density medium storehouse 27;The pressure density
Sensor 21 is located on medium pump feeding tube 32.
The speed governing pressurising medium pump 29 uses multi-stage superimposed arrangement;Bath is using from the thickening-purification technology water 8 on mine.
Raw coal discharger 2 is installed on underground raw coal belt 1, the raw coal unloaded by raw coal discharger 2 passes through raw coal discharging
Funnel on device 2 is transported to raw coal sizing screen 4 and is classified into No. 1 sorting belt 3 of raw coal.Coarse coal enters raw coal disintegrating machine
5, the coal under raw coal disintegrating machine 5 is sieved sorts belts 6 and bath for No. 2 with the raw coal after crushing through raw coal(From the concentration on mine
Purified water 8)Flowed into cyclone by cyclone feeding mouth 7 in the lump.By speed governing pressurising medium pump 29 through medium pump feeding tube 32
The pressure medium entrance 10 of cyclone 9 is depressed into, and enters cyclone along round tangential direction, now generate the eddy flow field of force;
In the presence of centrifugal force, the material of cyclone interior central area flows into cleaned coal dewatering screen 12 from the discharge of sorting cleaned coal outlet 11,
The cleaned coal isolated on sieve is by the way that on raw coal belt 1 under the input well of cleaned coal belt feeder 13, heavy gangue is along cyclone
Tangential direction flows into spoil dewatering screen 15 from the discharge of sorting spoil outlet 14, and the spoil on sieve is transported to through No. 1 belt feeder 16 of spoil
Lower No. 2 belt feeders 17 of spoil in hole transport appropriate deposit position to.
The backwater of cleaned coal dewatering screen and spoil dewatering screen is through the first backwater feeding pipe 24 and the second backwater feeding pipe
39 enter autologous density medium storehouse 27;Autologous density medium storehouse 27 according to the recovery degree of the coal of underground mining of raw coal, by intelligence
Can control system 22 commander Hydraulic Station 20, by Hydraulic Station lifting circulation line 38 cause hydraulic lift 19 action so as to
Cyclone angle adjustable 18 is just have adjusted, to adapt to the intensity of variation of coal carbonization property.In order that autologous density medium storehouse 27 is certainly
Body density is good, and the medium in autologous density medium storehouse 27 is sucked and from stirring by pressure mixing pump 28 from mixing pump feeding pipe 34
The press-in agitation cycle of pump feeding tube 35 pipeline 25, and the concentration of medium storehouse liquid is stirred by n circulation stirring pressure regulation branch pipe 26
After uniform, cyclone 9 is sucked into by speed governing pressurising medium pump 29.Due to the change of concentration, the density in storehouse is being situated between also in change
Media density signal is passed to Intelligent digital control device 22, intelligent numerical control by ad hoc pressure density sensor 21 on matter pump feeding tube 32
Device 22 passes through signal command(Adjusted by the speed overlapping control pressurising medium pumping system of the first intelligent speed-regulating tune amount control line 33 and operated
Speed, flow and pressure increase when density is small, and flow and pressure reduce when density is big.Due to bath and the edge of moisturizing
Therefore, autologous density medium storehouse 27 is bound to produce extraction raffinate.The discharge of extraction raffinate is commanded by liquid level sensor by Intelligent digital control device
Extraction raffinate pump(To suck that pump out expects pipe 37 from extraction raffinate defeated by extraction raffinate discharge pump feeding pipe 36 by the second intelligent speed-regulating tune amount control line 40
Go out to ore deposit the processing system of black water.
Device of the present invention overcomes numerous and diverse dielectric film filter of jigging coal works great system engineering and dense-medium separation
The shortcoming of system, allows coal preparation technique to be in and more simplifies, and starts underground coal separation, Filter Tuber For Clean Coal is sent on well, pollution sources bastard coal
Stone is eliminated in underground, and effectively gangue, to the repeated contamination of environment, more effectively reduces gangue in management and control coal production
Pollution causes the source of haze.Embody energy-conservation, synergy, the purpose of environmental protection.For coal separation cause searches out a truly feasible victory
Footpath, it is the innovation and revolution of coal separation industry.
Claims (6)
1. the product eddy flow coal selector of autologous density two is pressed in a kind of superposition pump, increase and decrease, it is characterised in that including tilt adjustable
Cyclone(9), speed governing pressurising medium pump(29), cleaned coal dewatering screen(12), spoil dewatering screen(15)And with agitating function
Autologous density medium storehouse(27);Cyclone(9)On cyclone feeding mouth(7)For receiving raw coal and bath, cyclone(9)
On pressure medium entrance(10)By pipeline and speed governing pressurising medium pump(29)With autologous density medium storehouse(27)It is connected,
Cleaned coal dewatering screen(12)For to cyclone(9)On sorting cleaned coal outlet(11)The material comprising cleaned coal isolated is consolidated
Liquid is separated, spoil dewatering screen(15)For to cyclone(9)On sorting spoil outlet(14)The thing comprising spoil isolated
Material carries out separation of solid and liquid;Cleaned coal dewatering screen(12)With spoil dewatering screen(15)The liquid isolated by Pipeline transport to itself
Density medium storehouse(27);Autologous density medium storehouse(27)Interior dielectric fluid is by speed governing pressurising medium pump(29)Pump into cyclone(9)
Middle realization is recycled.
2. the product eddy flow coal selector of autologous density two is pressed in superposition pump as claimed in claim 1, increase and decrease, it is characterised in that institute
State raw coal and cyclone feeding mouth is delivered to by conveyer system of raw coal(7);The conveyer system of raw coal includes underground raw coal belt
(1), be located at underground raw coal belt(1)The raw coal discharger of top(2), for conveying raw coal discharger(2)The original of unloaded raw coal
No. 1 sorting belt of coal(3), be located at the sorting belt of raw coal 1(3)The raw coal sizing screen of output end(4), raw coal disintegrating machine(5)With
And by raw coal disintegrating machine(5)Coal under sieve is delivered to cyclone feeding mouth with the raw coal after crushing(7)The sorting belts of raw coal 2
(6);By spoil dewatering screen(15)The spoil isolated passes through No. 1 belt feeder of spoil(16)With No. 2 belt feeders of spoil(17)Fortune
Go out;Through cleaned coal dewatering screen(12)The cleaned coal for sifting out is via cleaned coal belt feeder(13)And underground raw coal belt(1)Transport.
3. the product eddy flow coal selector of autologous density two is pressed in superposition pump as claimed in claim 2, increase and decrease, it is characterised in that rotation
Stream device(9)Angle of inclination pass through hydraulic lift(19)With hydraulic lift(19)Supporting Hydraulic Station(20)And
With Hydraulic Station(20)The Intelligent digital control device being connected(22)Realize regulation;Also include being located at connection pressure medium entrance(10)With
Speed governing pressurising medium pump(29)Pipeline on pressure density sensor(21);Intelligent digital control device(22)Signal output part point
Not with speed governing pressurising medium pump(29)And Hydraulic Station(20)Control end be connected;Pressure density sensor(21)Signal output
End and Intelligent digital control device(22)Signal input part be connected.
4. the product eddy flow coal selector of autologous density two is pressed in superposition pump as claimed in claim 3, increase and decrease, it is characterised in that institute
State autologous density medium storehouse(27)Agitating function realized by the circulation stirring system for setting thereon;The circulation stirring system
System includes being connected to autologous density medium storehouse(27)The mixing pump feeding pipe of middle and upper part side wall(34)With mixing pump feeding pipe(34)
The pressure mixing pump being sequentially connected(28), mixing pump feeding tube(35)And agitation cycle pipeline(25);The agitation cycle pipe
Road(25)Around autologous density medium storehouse(27)Set, agitation cycle pipeline(25)It is connected with n circulation stirring pressure regulation branch pipe
(26);The n circulation stirring pressure regulation branch pipe(26)Around autologous density medium storehouse(27)Arrange and its other end is connected to and leans on
Nearly autologous density medium storehouse(27)The position of bottom.
5. superposition pump as described in claim 3 or 4, the increase and decrease pressure product eddy flow coal selector of autologous density two, it is characterised in that
Autologous density medium storehouse(27)It is provided with extraction raffinate discharge system;The extraction raffinate discharge system includes being connected to autologous density medium storehouse
(27)On extraction raffinate discharge pump feeding pipe(36)With extraction raffinate discharge pump feeding pipe(36)The extraction raffinate discharge pump being connected(30)And
With extraction raffinate discharge pump(30)The extraction raffinate being connected pumps out expects pipe(37);Also include being located at autologous density medium storehouse(27)Interior liquid level
Sensor(23);Liquid level sensor(23)Signal output part and Intelligent digital control device(22)Signal input part be connected;Institute
State Intelligent digital control device(22)Signal output part and extraction raffinate discharge pump(30)Control end be connected;Pressure medium entrance(10)
Sequentially pass through medium pump feeding tube(32), speed governing pressurising medium pump(29)And medium pump discharge nozzle(31)With autologous density medium
Storehouse(27)It is connected;The pressure density sensor(21)It is located at medium pump feeding tube(32)On.
6. superposition pump as described in any one of claim 1 ~ 4, the increase and decrease pressure product eddy flow coal selector of autologous density two, its feature
It is, the speed governing pressurising medium pump(29)Using multi-stage superimposed arrangement;Bath is using from the thickening-purification technology water on mine
(8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710232287.4A CN106861896A (en) | 2017-04-11 | 2017-04-11 | Superposition pump, the increase and decrease pressure product eddy flow coal selector of autologous density two |
Applications Claiming Priority (1)
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CN201710232287.4A CN106861896A (en) | 2017-04-11 | 2017-04-11 | Superposition pump, the increase and decrease pressure product eddy flow coal selector of autologous density two |
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CN106861896A true CN106861896A (en) | 2017-06-20 |
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CN201710232287.4A Pending CN106861896A (en) | 2017-04-11 | 2017-04-11 | Superposition pump, the increase and decrease pressure product eddy flow coal selector of autologous density two |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4074420A1 (en) * | 2021-04-15 | 2022-10-19 | Montanuniversität Leoben | Separation of separation material in a centrifugal separator |
Citations (9)
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Publication number | Priority date | Publication date | Assignee | Title |
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EP4074420A1 (en) * | 2021-04-15 | 2022-10-19 | Montanuniversität Leoben | Separation of separation material in a centrifugal separator |
WO2022219141A1 (en) | 2021-04-15 | 2022-10-20 | Montanuniversität Leoben | Separation of material to be separated in a centrifugal cutter |
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