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 PDF

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Publication number
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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CN201710232287.4A
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钱兆鑫
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03BSEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B9/00General arrangement of separating plant, e.g. flow sheets
    • B03B9/005General arrangement of separating plant, e.g. flow sheets specially adapted for coal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03BSEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/28Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
    • B03B5/30Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
    • B03B5/32Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions using centrifugal force
    • B03B5/34Applications of hydrocyclones

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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

Superposition pump, the increase and decrease pressure product eddy flow coal selector of autologous density two
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).
CN201710232287.4A 2017-04-11 2017-04-11 Superposition pump, the increase and decrease pressure product eddy flow coal selector of autologous density two Pending CN106861896A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB528590A (en) * 1938-12-28 1940-11-01 Directie Staatsmijnen Nl Process for the separation or thickening of suspensions in coal washing plants
CN86102096A (en) * 1985-03-08 1986-09-24 西南公共服务公司 Coal serous system
CN2605070Y (en) * 2003-03-03 2004-03-03 吕德明 Small-sized heavy-media separating apparatus for coal preparation plant
CN203155345U (en) * 2012-06-15 2013-08-28 山东省七五生建煤矿 Medium mixing and adding apparatus
CN103611621A (en) * 2013-11-20 2014-03-05 高峰 Heavy medium continuous coal washing unit and continuous raw coal crushing method
CN103623914A (en) * 2013-11-20 2014-03-12 高峰 Dense medium continuous coal washing process and raw coal continuous crushing method
CN103977721A (en) * 2014-05-30 2014-08-13 济钢集团有限公司 Cyclic stirring system for solid-liquid mixed mediums in storage tank
CN105597914A (en) * 2016-03-17 2016-05-25 威海市海王旋流器有限公司 Dense medium jamming bed coarse slime separation system
CN206631742U (en) * 2017-04-11 2017-11-14 钱兆鑫 It is superimposed pump, the increase and decrease pressure product eddy flow coal selector of autologous density two

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB528590A (en) * 1938-12-28 1940-11-01 Directie Staatsmijnen Nl Process for the separation or thickening of suspensions in coal washing plants
CN86102096A (en) * 1985-03-08 1986-09-24 西南公共服务公司 Coal serous system
CN2605070Y (en) * 2003-03-03 2004-03-03 吕德明 Small-sized heavy-media separating apparatus for coal preparation plant
CN203155345U (en) * 2012-06-15 2013-08-28 山东省七五生建煤矿 Medium mixing and adding apparatus
CN103611621A (en) * 2013-11-20 2014-03-05 高峰 Heavy medium continuous coal washing unit and continuous raw coal crushing method
CN103623914A (en) * 2013-11-20 2014-03-12 高峰 Dense medium continuous coal washing process and raw coal continuous crushing method
CN103977721A (en) * 2014-05-30 2014-08-13 济钢集团有限公司 Cyclic stirring system for solid-liquid mixed mediums in storage tank
CN105597914A (en) * 2016-03-17 2016-05-25 威海市海王旋流器有限公司 Dense medium jamming bed coarse slime separation system
CN206631742U (en) * 2017-04-11 2017-11-14 钱兆鑫 It is superimposed pump, the increase and decrease pressure product eddy flow coal selector of autologous density two

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
牛香珍;: "白龙选煤厂技术改造" *

Cited By (2)

* Cited by examiner, † Cited by third party
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
WO2022219141A1 (en) 2021-04-15 2022-10-20 Montanuniversität Leoben Separation of material to be separated in a centrifugal cutter

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Application publication date: 20170620