CN104043593B - The anhydrous screening installation of gangue inorganic sulfur in X-ray clean coal - Google Patents
The anhydrous screening installation of gangue inorganic sulfur in X-ray clean coal Download PDFInfo
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Abstract
The invention discloses the anhydrous screening installation of gangue inorganic sulfur in a kind of X-ray clean coal.The invention is characterized in that, electric appliance interlocker able to programme that it includes being arranged on four different altitude heights, raw coal lump coal feed system, big grade straight-line oscillation screen system, gangue inorganic sulfur conveyer in little grade linear vibrating screen system, spoil inorganic sulfur conveyer, classification coal queue system, desulfurization discharge refuse conveyer, powdered coal dust-removing unit, photoelectric effect detector shield room, X-ray photoelectric effect identification sorter, wind-power coal picker, clean coal.Present invention modularized production also forms anhydrous sorting raw coal or lump coal production line, raw coal or lump coal are processed into low-sulfur low ash essence lump coal and low-sulfur low ash essence smalls with non-aqueous technique and low coal separation cost at coal mine well port by it, can increase substantially economic benefit and the environmental benefit of coal-fired user in colliery；The present invention can also be used with non-aqueous technique sorting ferrous metal mineral products and nonferrous metals ore product.
Description
Technical field
The invention belongs to get rid of former with photoelectric effect and non-aqueous technique on coal mine well port or ground Coal Transport line
Middle coal in coal or lump coal, spoil, inorganic sulfur, raw coal or lump coal be processed into low-sulfur low ash essence lump coal and
The low charcoal of low-sulfur divides the screening installation of essence smalls, and the X-ray being specifically related in a kind of civilian non-powered nuclear technology is clean
The anhydrous screening installation of gangue inorganic sulfur in coal.
Background technology
Up to the present, wet method gravity coal washer is widely used both at home and abroad and carries out coal separation, its recirculated water demand
Very big, the moisture that cleaned coal is taken away is also a lot, cause the high and cold Shanxi of NORTHWEST CHINA hydropenia, illiteracy, Shan, sweet, peaceful,
Seven provinces and regions blue or green, new fail to build up large-scale coal separation industry so far.And the wind-power coal picker of domestic use can only
The easy coal separation of little grade is sorted, it is impossible to anhydrous sorting is medium can coal separation and difficult separation coal with non-aqueous technique so that it
Market share the least.And use241Am and238The intelligent anhydrous coal picker that Pu builds, also can only be by
Smalls is processed into and easily selects smalls, it is impossible to make colliery sell low-sulfur low ash essence smalls to coal-fired user.In China,
Smalls generally accounts for about the 35% of mining of raw coal amount so that it is low that smalls is processed into low-sulfur by colliery non-aqueous technique
Ash essence smalls can obtain huge economic benefit and environmental benefit.Present inventive concept is used241Am and238Pu
The soft X-ray that identifies of radiation irradiates middle coal and the spoil inorganic sulfur being more than 10mm in smalls, first by smalls
The spoil inorganic sulfur of about 90% excludes, and makes it and easily selects smalls, then will easily select smalls to be processed into low-sulfur
Low ash essence smalls.
Summary of the invention
Present invention aims to coal picker exists the most both at home and abroad disadvantages mentioned above and defect, it is provided that one
Plant the anhydrous screening installation of gangue inorganic sulfur in the X-ray clean coal of civilian non-powered Application of Nuclear Technology high-tech.
It is an object of the invention to realize by the following technical solutions: gangue in this X-ray clean coal
The anhydrous screening installation of inorganic sulfur, gets rid of in raw coal or lump coal on coal mine well port or ground Coal Transport line
Middle coal, spoil and inorganic sulfur；It includes the raw coal lump coal supply being sequentially connected with by raw coal or lump coal conveying direction
System, big grade straight-line oscillation screen system, little grade linear vibrating screen system, classification coal queue system, de-
Gangue inorganic sulfur conveyer, wind method in sulfur discharge refuse conveyer, photoelectric effect detector shield room, clean coal
Machine, spoil inorganic sulfur conveyer, X-ray photoelectric effect identification sorter, powdered coal dust-removing unit and able to programme
Electric appliance interlocker；Described raw coal lump coal feed system is connected with big grade straight-line oscillation screen system and is located at the highest
On horizontal plane, little grade linear vibrating screen system is connected to the horizontal plane under big grade straight-line oscillation screen system
On, big grade straight-line oscillation screen system and little grade linear vibrating screen system are commonly connected on its lower horizontal plane
Classification coal queue system, the left end under classification coal queue system is provided with desulfurization discharge refuse conveyer, desulfurization
The left side of discharge refuse conveyer is provided with photoelectric effect detector shield room, and the left end of desulfurization discharge refuse conveyer is provided with gas
Valve support, air valve support is provided with middle coal and gets rid of air valve group and spoil inorganic sulfur eliminating air valve group, air valve support
Left end be provided with gangue inorganic sulfur conveyer in clean coal, in clean coal gangue inorganic sulfur conveyer respectively with
Wind-power coal picker, spoil inorganic sulfur conveyer, clean coal warehousing storage, middle coal crushing system connect；Described X
Ray photoelectric effect identification sorter is got rid of with the middle coal on photoelectric effect detector shield room, air valve support respectively
Air valve group and spoil inorganic sulfur are got rid of air valve group and are connected；Described powdered coal dust-removing unit is arranged on the supply of raw coal lump coal
The input of system and outfan；Described electric appliance interlocker able to programme drives motor even with each of screening installation
Connect.
Specifically, described big grade straight-line oscillation screen system includes double-deck A seating dual-axis vibration sieve, vibrosieve
Funnel and lump coal transfer passage；Little grade linear vibrating screen system includes monolayer A seating dual-axis vibration sieve, lump coal
Smalls transfer passage；The lower screen panel aperture of the double-deck A seating dual-axis vibration sieve of big grade straight-line oscillation screen system
Less than middle grade siftage, lower floor's sieve plate is connected to little grade linear vibrating screen system by vibrosieve funnel
On the upper strata sieve plate of monolayer A seating dual-axis vibration sieve；The monolayer A seating twin shaft of little grade linear vibrating screen system shakes
The smalls coal bunker that the wear-resisting steel plate that lower floor is atresia of dynamic sieve is made；Described lump coal transfer passage includes coarse coal
Slideway and medium sized coal slideway, described lump coal smalls transfer passage includes small coal slideway and smalls slideway.
Specifically, described classification coal queue system includes that feeder, vibrator are lined up in vibration；Described vibration
Lining up feeder to be connected with vibrator, vibration is lined up feeder and is fixed with corresponding three group the most successively
Line up, it may be assumed that coarse coal hopper, medium sized coal hopper, small coal hopper and smalls hopper, coarse coal line up groove,
Medium sized coal lines up groove, groove lined up by small coal and groove lined up by smalls, and coarse coal lines up output magazine, medium sized coal is lined up
Output magazine lined up by output magazine, small coal and output magazine lined up by smalls；Described coarse coal hopper, medium sized coal hopper,
Small coal hopper and smalls hopper correspondence respectively are positioned at described coarse coal slideway, medium sized coal slideway, small coal cunning
Under road and smalls slideway.
Specifically, described desulfurization discharge refuse conveyer includes that frame, motorized pulleys, follower rollers, photoelectricity are imitated
Transportation rubber belt, flat idler group, upper correction edger roll group, lower correction edger roll group, three-phase alternating current frequency conversion should be identified
Device and noise elimination dust cover；Described photoelectric effect identification transportation rubber belt is provided with some longitudinal photoelectric effect identification
Raceway groove.
Specifically, described photoelectric effect detector shield room includes inside and outside five, front, back, left, right, up flat
The radiation protection shielding wall that face is all made up of sheet metal clamping lead plate, is provided with photoeffect detector in screened room
Group and identify soft X source group；Photoeffect detector group be positioned at described photoelectric effect identification transportation rubber belt it
On, and corresponding with its photoelectric effect identification raceway groove, identify soft X source and be mounted on photoelectric effect identification conveying
Under adhesive tape, and with photoeffect detector group one_to_one corresponding.
Specifically, described X-ray photoelectric effect identification sorter includes that low-voltage dc power supply, high pressure can
Tuning DC power supply, linear amplifier, linear ratemeters, rectilinear scanner, steady peak single track, meet anticoincidence and sweep
Retouch device, photoelectric effect pulse filter, multiple-pulse delay controller, the Big Dipper and global pick device, controlled
Adjustable rater and instrument chassis；Described photoeffect detector group is to X-ray photoelectric effect identification sorter
Linear amplifier output clean coal, the different photoelectric effect pulse signal of middle coal, spoil inorganic sulfur three kinds.
Specifically, described electric appliance interlocker able to programme includes PLC and rack, three-phase alternating current
Solid-state relay group, thermorelay group dropping resistor, fuse group, bipolar band switch；By thermorelay
Group break contact wire be concatenated into path, the starting point of this concatenation path again with bipolar band switch moving plate I
It is attached with band switch moving plate II, affixed with the DC source zero volt terminal OV of PLC the most again,
End and the solid-state relay group of concatenation path each control negative pole affixed after, then with each LEDi
Negative pole affixed, each LEDiThe control positive pole of positive pole and 3 phase AC solid relay solid
Connect；One end of each dropping resistor is affixed with the positive pole of corresponding light emitting diode, the other end of each dropping resistor
The each outfan corresponding with PLC is affixed；The input of each thermorelay heater element and three intersects
The outfan of stream solid-state relay group is affixed, the outfan of each thermorelay heater element and each three-phase alternating current
The input of motivation is affixed；One end of each fuse is affixed with the input of 3 phase AC solid relay group,
Their other end is in parallel with main circuit affixed, and the input of main circuit electrically connects with city through air switch；
The output winding y of PLCjQuantity and LEDiQuantity identical, wherein, i=j=1,2,3 ... 16, j
It is all the natural number more than 16 with i, the output winding X of PLCkQuantity be greater than 43, k=1,2,3 ...
43, k is the natural number more than 43.
Specifically, described mark soft X source group or americium 241 are i.e.241Am, or plutonium 238 is i.e.238Pu, or241Am and238The mixing source of Pu.
The work process of the present invention is:
In the X-ray clean coal of the present invention, the anhydrous screening installation of gangue inorganic sulfur, is mainly used in coal mine well port
Or (relate to below is former to get rid of middle coal, spoil and the inorganic sulfur in raw coal or lump coal on the Coal Transport line of ground
Coal be clean coal, middle coal, spoil, inorganic sulfur and smalls composition mixture), make colliery can oneself
Coal mining well head is to each coal-fired user's direct marketing essence lump coal and low-sulfur low ash essence smalls.The supply of raw coal lump coal is
Input and the outfan of system are both provided with the coal dust vacuum cleaner that powdered coal dust-removing unit separates.Big grade straight line shakes
Dynamic screen system is by lump coal transfer passage, vibrosieve funnel and double-deck A seating dual-axis vibration sieve (linear vibrating screen)
Composition, the siftage less than middle grade is transported to by lower floor's sieve plate of this linear vibrating screen by vibrosieve funnel
On the upper strata sieve plate of little grade linear vibrating screen system；Little grade linear vibrating screen system includes that lump coal smalls is defeated
Sending passage and monolayer A seating dual-axis vibration sieve (linear vibrating screen), the lower floor of this linear vibrating screen is atresia
The smalls coal bunker that wear-resisting steel plate is made, this smalls coal bunker carries smalls to smalls slideway.Spoil inorganic sulfur carries
Spoil inorganic sulfur is transported to process region by machine.Classification coal queue system by vibration line up feeder, vibrator,
Coarse coal hopper, medium sized coal hopper, small coal hopper, smalls hopper, coarse coal line up groove, medium sized coal row
Team groove, groove lined up by small coal, groove lined up by smalls, output magazine lined up by smalls, output magazine lined up by small coal, in
Output magazine lined up by lump coal and coarse coal lines up output magazine composition；When coarse coal enters bulk through coarse coal slideway
During coal hopper, vibrator coarse coal is directed to coarse coal and lines up groove is lined up, gravitational
Under effect, coarse coal drops to coarse coal at the outfan lining up groove in freely falling body mode and lines up output magazine
Input carries out second time and lines up (second time lines up to be to avoid two lump coal mutually to overlap), finally by bulk
Coal is lined up the vee of output magazine and is dropped to the photoelectric effect identification transportation rubber belt of desulfurization discharge refuse conveyer
Photoelectric effect first identify in passage；When medium sized coal enters medium sized coal hopper through medium sized coal slideway, shake
Medium sized coal is directed to medium sized coal and lines up to line up in groove by dynamic device, and under centrifugal force effect, medium sized coal is at row
The outfan of team's groove drops to medium sized coal in freely falling body mode and lines up the input of output magazine and carry out second time
Line up (second lines up to be to avoid two lump coal mutually to overlap), finally lined up the triangle of output magazine by medium sized coal
V notch v drops in the second identification passage of photoelectric effect identification transportation rubber belt；When small coal is through small coal
When slideway enters small coal hopper, small coal is directed to small coal and lines up to line up in groove by vibrator,
Under centrifugal force effect, small coal drops to small coal at the outfan lining up groove in freely falling body mode and lines up
The input of output magazine enters second time and lines up (second time lines up also to be to avoid two lump coal blocks mutually to overlap),
Finally lined up the vee of output magazine by small coal and drop to the 3rd of photoelectric effect identification transportation rubber belt
Identify in passage；When smalls enters smalls hopper through smalls slideway, and smalls is directed to smalls by vibrator
Lining up to line up in groove, under gravitational effect, smalls is lining up the outfan of groove with freely falling body side
Formula drops to smalls and lines up the input of output magazine and carry out second time and line up, and is finally lined up output magazine by smalls
Triangle output breach drops in the 4th identification passage of photoelectric effect identification transportation rubber belt.Desulfurization discharge refuse is defeated
Send machine by motorized pulleys, flat idler group, upper correction edger roll group, lower correction edger roll group, photoelectric effect identification
Transportation rubber belt, frame, follower rollers, three-phase alternating current converter and noise elimination dust cover composition；By electronic rolling
Cylinder and the photoelectric effect identification transportation rubber belt of follower rollers tension, by the flat idler group in frame, upper correction
Edger roll group, lower correction edger roll group act on down jointly, make the horizontal cross of photoelectric effect identification transportation rubber belt swing
Be limited in ± 0.8mm within, make mark soft X source group and photoeffect detector group and photoelectric effect know
Each each central point identified on passage on other transportation rubber belt becomes straight line, makes the present invention in raw coal
Clean coal, middle coal, spoil inorganic sulfur correct recognition rata close to 100%.Be fixed in frame dust-proof protects
Noise elimination dust cover on cover and air valve support makes noise drop to, less than 90 decibels, make the coal dust of gas leakage
Content < 18mg/m3.Three-phase alternating current converter make the linear velocity of motorized pulleys 0.6 meter per second 1.2 meter per second it
Between change, the diameter of motorized pulleys is greater than vibration and lines up the height of feeder.Fine coal dust removal unit is by some
Individual fine coal vacuum cleaner and fine coal dust removal machine main frame composition.The inside of photoelectric effect detector shield room is by photoelectric effect
Detector set and mark soft X source group composition, before and after this detector shield room, left and right is upper waits five interior outerplanars
It it is all the radiation protection shielding wall made by sheet metal clamping lead plate.X-ray photoelectric effect identification sorter is by low
Pressure DC source, high pressure adjustable DC power supply, linear amplifier, linear ratemeters, rectilinear scanner, steady peak
Single track, meet anticoincidence scanning device, photoelectric effect pulse filter, multiple-pulse delay controller, the Big Dipper and
Global pick device, controllable rater and instrument chassis composition, photoeffect detector group can be to X
Linear amplifier output clean coal, middle coal, three kinds of differences of spoil inorganic sulfur of ray photoelectric effect identification sorter
Photoelectric effect pulse signal, when the clean coal pulse signal of linear amplifier is into compliance with anticoincidence scanning device
Time, making middle coal get rid of air valve group and spoil inorganic sulfur is got rid of air valve group and is all failure to actuate, clean coal presses level throw motion rail
Mark all drops in clean coal in the clean coal passage of gangue inorganic sulfur conveyer, then is transported to the storage warehouse of clean coal
Storehouse；When linear amplifier receives the photoelectric effect pulse signal of middle coal, this pulse signal enters through steady peak single track
Enter linear ratemeters and multiple-pulse delay controller, make middle coal get rid of air valve group and start and middle coal is all rejected to only
In coal in the middle coal channel of gangue inorganic sulfur conveyer or middle coal inorganic sulfur passage, then it is transported to broken process
With clean coal recovery process, it is used for improving clean coal recovery；When linear amplifier receives the photoelectricity of spoil inorganic sulfur
During effect pulse signal, this pulse signal enters steady peak single track and linear scanning through photoelectric effect pulse filter
After device, make spoil inorganic sulfur get rid of air valve group and start and spoil inorganic sulfur is all rejected to spoil sulfur conveyer
On, then it is transported to the process place of spoil inorganic sulfur；The Big Dipper and global pick device include that the Big Dipper positions terminal
Device, GPS global location device, Jia Lilve positions terminal, in order to monitor the soft X source group of mark and X-ray
The longitude and latitude of photoelectric effect identification sorter, controllable automatic charging device is in order to periodically to collect user and fire coal
The fund of user.Lined up output magazine by smalls to be given in the 4th identification all of photoelectric effect identification transportation rubber belt
Smalls, identified soft X source group irradiate after, photoeffect detector group will be greater than the spoil of 10mm
The photoelectric effect pulse signal transmission of inorganic sulfur is to the 4th identification passage pair of photoelectric effect identification transportation rubber belt
Air valve group got rid of by the spoil inorganic sulfur answered, and is got rid of by the spoil inorganic sulfur more than 10mm of about 90% in smalls
In clean coal in the middle gangue inorganic sulfur passage of gangue inorganic sulfur conveyer, smalls is processed into Yi Xuanmo
Coal, then the feeding mouth that will easily select smalls to be transported to wind-power coal picker, heightening and consolidation of the present invention wind-power coal picker
Frame and the steel plate of appearance, the sorting bed body of wind-power coal picker is discharged unloading of clean coal and spoil inorganic sulfur
Material device lengthens, and makes clean coal outlet tube and successively discharges clean coal, and spoil inorganic sulfur outlet tube can
Discharge spoil inorganic sulfur continuously；The present invention also have adjusted the frequency of vibration of vibrator so that it is desulfurization discharge refuse performance
All it is correspondingly improved with discharge ability, so that the present invention obtains low-sulfur low ash essence smalls.
In the present invention, improved wind-power coal picker can be separate unit, it is also possible to be multiple stage.Big grade straight line
The compass screen surface number of plies of vibrosieve and little grade linear vibrating screen can be that a compass screen surface is for another compass screen surface double-deck
Monolayer, it is also possible to be two compass screen surfaces be all double-deck.When raw coal lump coal feed system only supplies lump coal, smalls
Groove lined up by hopper, smalls and smalls lines up that output magazine becomes tiny lump coal hopper accordingly, groove lined up by tiny lump coal
Lining up output magazine with tiny lump coal, lump coal is then processed into bulk cleaned coal, middle piece of cleaned coal, fritter essence by the present invention
Coal and tiny block of cleaned coal.
Authority detects the unit equipment such as 470A-six.y doser in the detection present invention241Am and238Pu
The result of two kinds of leakage rediations identifying soft X source is as follows: when241Am and238Pu is at storage state
Time, the leakage rediation level on six surfaces, front, back, left, right, up, down of source container is background；When241A and238When Pu is at duty, the front, rear, left and right of source container, the letting out of lower five surfaces
Leakage radiation level is background, and the radiation leakage level at 1 meter from vessel surface is both less than 0.5usv/n, because of
This, the present invention meets People's Republic of China's " ionization radiation protection and safe basic standard of radiation source "
The requirement that (GB18871 2002) specifies.
Water becomes water vapour in the combustor of coal-burning boiler, will consume substantial amounts of heat energy, and therefore, moisture becomes
For the harmful components in coal, the non-aqueous technique of the present invention decreases the objectionable impurities water in cleaned coal, it is to avoid
The black water secondary pollution to surrounding enviroment.The water of raw coal it is less than with the moisture in the cleaned coal of present invention production
Point, can be that country saves substantial amounts of transport power, and save substantial amounts of water resource for coal main producing region.Modern
The wet process coal cleaning machine mechanical movement identification each composition of raw coal lump coal, the present invention uses241Am and238Pu two kinds
The mark soft X-ray bundle each composition of identification coal of nucleic radiation so that the coal separation consumption rate of the present invention is about the modern times
/ 3rd of wet process coal cleaning factory；The operating ambient temperature of modern wet process coal cleaning machine is+1 DEG C+40 DEG C, when
When operating ambient temperature is down to 0 DEG C, wash water freezes so that wet method gravity coal machine can only carry out seasonal
Disconnected production, the operating ambient temperature of the present invention expands to-40 DEG C+40 DEG C, can go into operation in all parts of the world throughout the year
Coal separation, is greatly improved the utilization rate of equipment；The about 180 seconds the shortest coal washing time of modern wet process coal cleaning machine
Clock, the about 9 seconds the longest coal separation time of the present invention, is 1st/20th of the modern wet process coal cleaning time, greatly
Amplitude improves the production efficiency of coal separation industry；Owing to not consuming wash water and saving substantial amounts of electric power, make this
The coal separation cost about 10 yuan/ton of invention, is 1/3rd of modern wet process coal cleaning cost about 30 yuan/ton；Existing
It is 50% 70%, the spoil row of the present invention for the spoil elimination factor of wet process coal cleaning machine and inorganic sulphur-cake removal efficiency
Except the removal efficiency of rate and inorganic sulfur is about 90%, higher than modern wet process coal cleaning machine 20 40 percentage points；
Modern wet process coal cleaning machine to lose the coal slime of 3% 4% in technological process so that clean coal recovery is about 94%,
The clean coal recovery of the present invention about 98%, higher than modern wet process coal cleaning machine about 4 percentage points, improve cleaned coal
Utilization rate；Domestic the most also use anhydrous wind-power coal picker can only sort the easy coal separation of little grade, it is impossible to
Sort medium can coal separation and difficult separation coal, its market share is the least, it is impossible to meet the sweet peaceful green grass or young crops in China Jin Meng Shan
The needs of new seven provinces and regions coal minings, the present invention not only can sort large, medium and small wholegrain level with non-aqueous technique and easily select
Coal, and the anhydrous medium optional raw coal of sorting wholegrain level and wholegrain level difficulty can select raw coal and the extremely difficult choosing of wholegrain level
Raw coal；The selected lower limit of same kind of products at abroad Britain X-ray coal picker is 32mm, it is impossible to sorting smalls, only
Can sort the lump coal more than 32mm, its essence lump coal response rate is 80% always, lost substantial amounts of essence lump coal,
The economic benefit making colliery is severely impacted, it is impossible to enter coal separation industrial market；The feed particle size of the present invention
Can reach 200mm, feed particle size lower limit is 0mm, and various coal-fired user can be made to use low-sulfur low ash essence
Lump coal and low-sulfur low ashes essence smalls；The investment of small in volume fixed assets of the present invention is about wet method gravity
/ 2nd of coal washer, therefore, the present invention is a kind of small in volume low operation of energy-saving and water-saving reduced investment
The environment-friendly products taken.Utilize the present invention can build large, medium and small various types of near coal-mine without wet concentration at coal mine well port
Coal works, increases substantially the preparation proportion of China's raw coal.The operation principle of the present invention is X-ray photoelectric effect
President face law T=CZef 4Enter3, C is certain constant, ZefFor the effective atomic number of illuminated material, enter for X
Beam wavelength, the present invention can also divide other mineral products.
Accompanying drawing explanation
Fig. 1 is the population structure schematic diagram of the embodiment of the present invention.
Fig. 2 is the structural representation of the classification coal queue system of the embodiment of the present invention.
Fig. 3 is the structural representation of the desulfurization discharge refuse conveyer of the embodiment of the present invention.
Fig. 4 is the outer cabinet schematic diagram of the X-ray photoelectric effect identification sorter of the embodiment of the present invention.
Fig. 5 is the lump coal smalls slideway structure schematic diagram of the embodiment of the present invention.
Fig. 6 is the electrical equipment interlock circuit connection diagram able to programme that the present invention executes example.
Detailed description of the invention
With embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings.
Seeing Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the present embodiment includes being arranged on coal mine well port or ground
On Coal Transport line, four different altitude heights are with the installations and facilities being sequentially connected in series: the first height above sea level is (the highest
Height above sea level) equipment have big grade straight-line oscillation screen system 3 and a raw coal lump coal feed system 2, the second sea
Degree of lifting is provided with little grade linear vibrating screen system 4, between the first height above sea level and the second height above sea level
It is provided with vibrosieve funnel 27, raw coal or lump coal 26 straight through big grade straight-line oscillation screen system 3 and little grade
Linearly coupled screen system 4 enters the classification coal queue system 6 of the 3rd height above sea level, in the second height above sea level and
The coarse coal slideway 62 of lump coal transfer passage 23, medium sized coal slideway 63 it is provided with between three height above sea levels, Gu
Access node component 64, the small coal slideway 65 of lump coal smalls transfer passage 24, smalls slideway 66；Classification coal arranges
The lower end of team's system 6 is that feeder 25 and vibrator 28, the right side of classification coal queue system 6 are lined up in vibration
Be provided with coarse coal hopper 29, coarse coal lines up groove 33, big fast coal lines up output magazine 40, and classification coal is lined up
The left side of system 6 is equipped with smalls hopper 32, groove 36 lined up by smalls, smalls lines up output magazine 37, classification
The middle part of coal queue system 6 is provided with medium sized coal hopper 30, medium sized coal lines up groove 34, medium sized coal row
Team output magazine 39 and small coal hopper 31, groove 35 lined up by small coal, output magazine 38 lined up by small coal；Separately
The equipment of one the 3rd height above sea level is photoelectric effect detector shield room 9, in photoelectric effect detector shield room 9
Interior top is provided with photoeffect detector group 21, the pars intermedia in photoeffect detector screened room 9
Position is provided with the soft X source group 22 of mark；4th height above sea level (minimum height above sea level) is provided with electricity able to programme
Device interlocker 1, spoil inorganic sulfur conveyer 5, desulfurization discharge refuse conveyer 7, fine coal dust removal unit 8, X penetrate
Gangue inorganic sulfur conveyer 12 in linear light electrical effect identification sorter 10, wind-power coal picker 11, clean coal,
Noise elimination dust cover 49 and air valve support 18；Spoil inorganic sulfur 15 is transported to by spoil inorganic sulfur conveyer 5
Process place；Desulfurization discharge refuse conveyer 7 includes motorized pulleys 41, flat idler group 42, upper correction edger roll
Group 43, lower correction edger roll group 44, photoelectric effect identification transportation rubber belt 45, frame 46, follower rollers 47,
Three-phase alternating current converter 48 and noise elimination dust cover 49；Fine coal dust removal unit 8 makes the full scale production of the present invention
The coal dust content of position, each space, place gas is respectively less than 18mg/m3；X-ray photoelectric effect identification sorter
10 include low-voltage dc power supply 50, high pressure adjustable DC power supply 51, rectilinear scanner 52, linear ratemeters 53,
Linear amplifier 54, steady peak single track 55, meet anticoincidence scanning device 56, photoelectric effect pulse filter 57,
Multiple-pulse delay controller 58, the Big Dipper and global pick device 59, controllable rater 60 and instrument machine
Case 61；Wind-power coal picker 11 is the height adding frame on the basis of the technical characteristic of conventional wind coal picker
Degree and the steel plate of device outer surface, have adjusted the frequency of vibration of vibrator in wind-power coal picker, make discharging fill
It is set to as clean coal outlet tube 16, the constantly gangue inorganic sulfur conveying in clean coal by this clean coal outlet tube 16
Clean coal 14 discharged by machine 12；Another discharge port of wind-power coal picker 11 adds a length of spoil inorganic sulfur outlet tube 20,
This spoil inorganic sulfur outlet tube 20 constantly discharges spoil inorganic sulfur 15 to spoil inorganic sulfur conveyer 5；Only
In coal, clean coal 14, middle coal 13, spoil inorganic sulfur 15 are constantly carried by gangue inorganic sulfur conveyer 12
To appointed place；In being provided with on noise elimination dust cover 49 and air valve support 18, coal gets rid of air valve group 17
Air valve group 19 is got rid of with spoil inorganic sulfur.
See Fig. 6, electric appliance interlocker 1 able to programme include PLC, 3 phase AC solid relay group,
Dropping resistor, light emitting diode, thermorelay group, fuse group, bipolar band switch moving plate I 67 and ripple
Duan Kaiguan moving plate II 68, the output winding y of PLCjQuantity and LEDiQuantity identical, have i=j=1,2,
3 ... 16, j and i is all the natural number more than 16, the output winding X of PLCkQuantity be greater than 43,
K=1,2,3 ... 43, k is the natural number more than 43.
In the X-ray clean coal of the present invention, gangue inorganic sulfur walks poly-as follows without the operation of wet concentration screening installation:
See Fig. 1, Fig. 2, Fig. 4 and Fig. 5, before power-on operation, first detection raw coal lump coal feed system 2,
Big grade straight-line oscillation screen system 3, little grade linear vibrating screen system 4, spoil inorganic sulfur conveyer 5, de-
Sulfur discharge refuse conveyer 7, powdered coal dust-removing unit 8, photoelectric effect detector shield room 9, wind-power coal picker 11,
Gangue inorganic sulfur conveyer 12 electromechanical component such as grade and earth resistance greatly in clean coal, their ground connection electricity
Resistance will be female less than 4 Europe；The earth resistance of X-ray photoelectric effect identification sorter 10 is female again smaller than 4 Europe,
But its ground electrode is greater than 4 meters with the relative distance of the ground electrode of other electromechanical components；Second step is examined
Survey the technical specification of input and output cable；3rd step pre-thermal X-rays photoelectric effect identification sorter 10 is about
After 10 minutes, open the gate identifying soft X source group 22, compare background and without covering two kinds of counting rates
Stability, adjusts the running voltage of high pressure adjustable DC power supply 51.
The operating instruction performing semi-automatic sequence starting is as follows:
Press the button SB1, the input terminal X of PLC1Connect with 24V DC source, through a left side for ladder diagram
Right bus, input coil X1Energising, makes output winding y0Energising, dropping resistor R1Make in photoelectrical coupler
LED0Produce luminous potential difference, this luminescence current potential official post 3 phase AC solid relay SSR0
Conducting, SSR0Conducting makes the motor M of fine coal dust removal unit 8 correspondence0Start and continuously run, light-emitting diodes
Pipe LED0Corresponding phototransistor T0Produce photoelectric current, T0Colelctor electrode with+24V is affixed makes input terminal X23
Corresponding input coil X23Energising, as motor M0The work to the present invention is begun to when starting and continuously run
Make place and absorb fine coal dust, it is ensured that the content < 18mg/m of working space of the present invention coal dust3；Work as motor
M0When operating 6 seconds, the program in PLC makes output winding y1Energising, output winding y1Energising makes blood pressure lowering electricity
Resistance R3And LED1All produce potential difference, LED1Luminous current potential official post 3 phase AC solid relay
Device SSR1Conducting, SSR1Conducting makes the motor M of spoil inorganic sulfur conveyer 5 correspondence1Start and continuously run,
Get ready for defeated pound spoil inorganic sulfur；LED1Corresponding phototransistor T1Produce photoelectricity
Stream, T1Colelctor electrode with+24V is affixed makes input terminal X24Corresponding input coil X24Energising；As motor M1
When continuously running 6 seconds, the program in PLC makes output winding Y2Energising, output winding Y2Energising makes blood pressure lowering
Resistance R5And LED2All produce potential difference, this luminescence current potential official post 3 phase AC solid relay SSR2Conducting,
SSR2Conducting makes the motor M of gangue inorganic sulfur conveyer 12 correspondence in clean coal2Start and continuously run,
Get ready to appointed place for conveying clean coal, middle coal, spoil inorganic sulfur；LED2Conducting
Make the phototransistor T of correspondence2Produce photoelectric current, T2Colelctor electrode and+24V affixed and make input terminal
X25Corresponding input coil X25Energising；As motor M2When continuously running 6 seconds, the program in PLC makes
Output winding Y3Energising, output winding Y3Energising makes dropping resistor R7And LED3All produce potential difference, LED3
Luminous current potential official post 3 phase AC solid relay SSR3Conducting, SSR3Conducting makes wind-power coal picker 11 right
The motor M answered3Start and continuously run, easily selecting smalls to be processed into the low ash of low-sulfur for wind-power coal picker 11
Divide essence smalls to get ready, make LED simultaneously3Corresponding transistor T3Produce photoelectric current, T3
Colelctor electrode and+24V1Affixed make input terminal X26Corresponding input coil X26Energising；As motor M3Continuously
When transporting 6 seconds, the program of PLC makes output winding Y4Energising, output winding Y4Energising makes dropping resistor R9
And LED4All produce potential difference, LED4Luminous current potential official post 3 phase AC solid relay SSR4Conducting, SSR4
Conducting makes the motor M of desulfurization discharge refuse conveyer 7 correspondence4Start and continuously run, carrying raw coal for the present invention
Or lump coal carries out discharge refuse desulfurization and gets ready, make LED simultaneously4Corresponding phototransistor
T4Produce photoelectric current, T4Colelctor electrode with+24V is affixed makes input terminal X27Corresponding input coil X27Energising；
As motor M4During continuative transport 6 seconds, the program of PLC makes output winding Y5Energising, output winding Y5
Energising makes dropping resistor R11And LED5All produce potential difference, LED5Luminous current potential official post 3 phase AC solid
Relay SSR5Conducting, SSR5Conducting makes the motor M of little grade linear vibrating screen system 4 correspondence5Start also
Continuously running, the conveying screening small coal and smalls for little grade linear vibrating screen system 4 is got ready,
Make LED simultaneously5Corresponding phototransistor T5Produce photoelectric current, T5Colelctor electrode and+24V
Affixed make input terminal X30Corresponding input coil X30Energising；Feeder 25 is lined up in vibration to be closed
On and off switch, make it produce coal supply amplitude.As motor M5During continuative transport 6 seconds, the program of PLC
Make output winding Y6Energising, output winding Y6Energising makes dropping resistor R13And LED6All produce potential difference, LED6
Luminous current potential official post 3 phase AC solid relay SSR6Conducting, SSR6Conducting makes big grade linear vibrating screen
The motor M of system 3 correspondence6Start and continuously run, screening bulk for big grade straight-line oscillation screen system 3
Coal and medium sized coal are got ready, and make LED simultaneously6Corresponding phototransistor T6Produce photoelectricity
Stream, T6Colelctor electrode with+24V is affixed makes input terminal X31Corresponding input coil X31Energising.Work as motor
M6During continuative transport 6 seconds, the program of PLC makes output winding Y7Energising, output winding Y7Energising makes blood pressure lowering
Resistance R15And LED7All produce potential difference, LED7Luminous current potential official post 3 phase AC solid relay SSR7
Conducting, SSR7Conducting makes the motor M of raw coal lump coal feed system 2 correspondence7Start and continuously run, for this
Invention supply raw coal or lump coal are got ready, and make LED simultaneously7Corresponding phototransistor
T7Produce photoelectric current, T7Colelctor electrode with+24V is affixed makes input terminal X32Corresponding input coil X32Energising.
Motor M7Continuously run, make raw coal or lump coal 26 supply to all parts of the present invention, finely adjust
Each knob of feeder 25 is lined up in whole vibration, and raw coal or lump coal through the supply of raw coal lump coal are continuously
System 2 is transported to big grade straight-line oscillation screen system 3, little grade linear vibrating screen system 4, more classified coal
Queue system 6 drops to be identified sorting on the transportation rubber belt 45 of desulfurization discharge refuse conveyer 7, by clean coal
Clean coal 14 on middle gangue inorganic sulfur conveyer 12 is transported to warehouse, by defeated for gangue inorganic sulfur in clean coal
Send the spoil inorganic sulfur on the middle coal 13 on machine 12, spoil inorganic sulfur 15 and spoil inorganic sulfur conveyer 5
15 are transported to process place, are achieved that the anhydrous coal separation of the present invention.
The operation step performing the shutdown of semi-automatic backward is poly-as follows:
The first step cuts off raw coal or lump coal supply, makes clean coal all arrive at warehouse；Second step presses the button SB2,
Input coil X2Energising, M pressed by eight motor7、M6、M5、M4、M3、M2、M1、M0The phased out fortune of order
Turn；3rd step is closed and is identified soft X source group 22；4th step closes X-ray photoelectric effect identification sorter
The power supply of 10, the 5th step cuts off vibration and lines up the power supply of feeder 25, and the 6th step disconnects air switch Q,
Make the present invention electrically disconnected with city.
Operation step when detection and repairing is poly-as follows:
First by toggle switch KNX0、(SB0) press, make input coil X0Energising, X in ladder diagram0Dynamic
Disconnected contact is all off, and X0Moving together contact all close.Press SB the most respectively3、SB5、SB7、SB11、
SB13、SB15、SB17、SB21Deng eight buttons, motor M0、M1、M2、M3、M4、M5、M6、M7, etc.
Eight motor motivations discontinuously start；After detection or repairing, as long as pressing SB22、SB20、SB16、SB14、
SB12、SB10、SB6、SB4, eight motor are just according to M7、M6、M5、M4、M3、M2、M1、M0, time
The most wholly off operating of sequence.
Claims (8)
1. the anhydrous screening installation of gangue inorganic sulfur in X-ray clean coal, for coal mine well port or ground
Middle coal, spoil and the inorganic sulfur in raw coal or lump coal is got rid of on Coal Transport line；It is characterized in that: it includes
The raw coal lump coal feed system that is sequentially connected with by raw coal or lump coal conveying direction, big grade linear vibrating screen system
System, little grade linear vibrating screen system, classification coal queue system, desulfurization discharge refuse conveyer, photoelectric effect are visited
Survey gangue inorganic sulfur conveyer, wind-power coal picker, spoil inorganic sulfur conveyer, X in screened room, clean coal
Ray photoelectric effect identification sorter, powdered coal dust-removing unit and electric appliance interlocker able to programme；Described raw coal lump coal
Feed system is connected with big grade straight-line oscillation screen system and is located on top level face, little grade straight-line oscillation
Screen system is connected on the horizontal plane under big grade straight-line oscillation screen system, big grade straight-line oscillation screen system
The classification coal queue system being commonly connected on its lower horizontal plane with little grade linear vibrating screen system, classification coal
Left end under queue system is provided with desulfurization discharge refuse conveyer, and the left side of desulfurization discharge refuse conveyer is provided with light
Electrical effect detector shield room, the left end of desulfurization discharge refuse conveyer is provided with air valve support, during air valve support is provided with
Coal gets rid of air valve group and air valve group got rid of by spoil inorganic sulfur, and the left end of air valve support is provided with gangue in clean coal
Inorganic sulfur conveyer, in clean coal, gangue inorganic sulfur conveyer is defeated with wind-power coal picker, spoil inorganic sulfur respectively
Machine, clean coal warehousing storage, middle coal crushing system is sent to connect；Described X-ray photoelectric effect identification sorter divides
Middle coal not and on photoelectric effect detector shield room, air valve support gets rid of air valve group and gas got rid of by spoil inorganic sulfur
Valve group connects；Described powdered coal dust-removing unit is arranged on input and the outfan of raw coal lump coal feed system；Institute
Stating electric appliance interlocker able to programme drives motor to be connected with each of screening installation.
The anhydrous screening installation of gangue inorganic sulfur in X-ray clean coal the most according to claim 1, its
It is characterised by: described big grade straight-line oscillation screen system includes double-deck A seating dual-axis vibration sieve, vibrosieve funnel
With lump coal transfer passage；Little grade linear vibrating screen system includes monolayer A seating dual-axis vibration sieve, lump coal smalls
Transfer passage；The lower screen panel aperture of the double-deck A seating dual-axis vibration sieve of big grade straight-line oscillation screen system is less than
Middle grade siftage, lower floor's sieve plate is connected to the monolayer of little grade linear vibrating screen system by vibrosieve funnel
On the upper strata sieve plate of A seating dual-axis vibration sieve；The monolayer A seating dual-axis vibration sieve of little grade linear vibrating screen system
The smalls coal bunker made of the wear-resisting steel plate that lower floor is atresia；Described lump coal transfer passage includes coarse coal slideway
With medium sized coal slideway, described lump coal smalls transfer passage includes small coal slideway and smalls slideway.
The anhydrous screening installation of gangue inorganic sulfur in X-ray clean coal the most according to claim 2, its
It is characterised by: described classification coal queue system includes that feeder, vibrator are lined up in vibration；Described vibration is lined up
Feeder is connected with vibrator, and vibration is lined up feeder and is fixed with corresponding three group row the most successively
Team, it may be assumed that coarse coal hopper, medium sized coal hopper, small coal hopper and smalls hopper, coarse coal line up groove,
Medium sized coal lines up groove, groove lined up by small coal and groove lined up by smalls, and coarse coal lines up output magazine, medium sized coal is lined up
Output magazine lined up by output magazine, small coal and output magazine lined up by smalls；Described coarse coal hopper, medium sized coal hopper,
Small coal hopper and smalls hopper correspondence respectively are positioned at described coarse coal slideway, medium sized coal slideway, small coal cunning
Under road and smalls slideway.
The anhydrous screening installation of gangue inorganic sulfur in X-ray clean coal the most according to claim 3, its
It is characterised by: described desulfurization discharge refuse conveyer includes that frame, motorized pulleys, follower rollers, photoelectric effect are known
Other transportation rubber belt, flat idler group, upper correction edger roll group, lower correction edger roll group, three-phase alternating current converter and
Noise elimination dust cover；Described photoelectric effect identification transportation rubber belt is provided with some longitudinal photoelectric effect identification ditches
Road.
The anhydrous screening installation of gangue inorganic sulfur in X-ray clean coal the most according to claim 4, its
It is characterised by: described photoelectric effect detector shield room includes the interior outerplanar in five, front, back, left, right, up all
Be made up of sheet metal clamping lead plate radiation protection shielding wall, be provided with in screened room photoeffect detector group and
Identify soft X source group；Photoeffect detector group is positioned on described photoelectric effect identification transportation rubber belt, and
Corresponding with its photoelectric effect identification raceway groove, identify soft X source be mounted on photoelectric effect identification transportation rubber belt it
Under, and with photoeffect detector group one_to_one corresponding.
The anhydrous screening installation of gangue inorganic sulfur in X-ray clean coal the most according to claim 5, its
It is characterised by: described X-ray photoelectric effect identification sorter includes low-voltage dc power supply, high pressure adjustable DC
Power supply, linear amplifier, linear ratemeters, rectilinear scanner, steady peak single track, meet anticoincidence scanning device,
Photoelectric effect pulse filter, multiple-pulse delay controller, the Big Dipper and global pick device, controllable receipts
Take device and instrument chassis；Described photoeffect detector group is linear to X-ray photoelectric effect identification sorter
The photoelectric effect pulse signal that amplifier output clean coal, middle coal, spoil inorganic sulfur three kinds are different.
The anhydrous screening installation of gangue inorganic sulfur in X-ray clean coal the most according to claim 6, its
It is characterised by: described electric appliance interlocker able to programme includes PLC and rack, 3 phase AC solid
Relay group, thermorelay group dropping resistor, fuse group, bipolar band switch；By thermorelay group
Break contact wire is concatenated into path, the starting point of this concatenation path again with bipolar band switch moving plate I and ripple
Duan Kaiguan moving plate II is attached, affixed with the DC source zero volt terminal OV of PLC the most again, concatenation
The end of path and solid-state relay group each control negative pole affixed after, then with each LEDi's
Negative pole is affixed, each LEDiPositive pole affixed with the control positive pole of 3 phase AC solid relay；
One end of each dropping resistor is affixed with the positive pole of corresponding light emitting diode, the other end of each dropping resistor with
Each outfan corresponding to PLC is affixed；The input of each thermorelay heater element is solid with three-phase alternating current
The outfan of state relay group is affixed, the outfan of each thermorelay heater element and each three-phase alternating-current motor
Input affixed；One end of each fuse is affixed with the input of 3 phase AC solid relay group, they
The other end in parallel with main circuit affixed, the input of main circuit electrically connects with city through air switch；PLC's
Output winding yjQuantity and LEDiQuantity identical, wherein, i=j=1,2,3 ... 16, j and i all
For the natural number more than 16, the output winding X of PLCkQuantity be greater than 43, k=1,2,3 ... 43,
K is the natural number more than 43.
The anhydrous screening installation of gangue inorganic sulfur in X-ray clean coal the most according to claim 7, its
It is characterised by: described mark soft X source group or americium 241 are i.e.241Am, or plutonium 238 is i.e.238Pu,
Or241Am and238The mixing source of Pu.
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| CN105562366A (en) * | 2016-01-05 | 2016-05-11 | 天津美腾科技有限公司 | Intelligent dry separation main re-cleaning process and equipment |
| CN105537145A (en) * | 2016-01-05 | 2016-05-04 | 天津美腾科技有限公司 | Intelligent lump coal dry method inverted separation system |
| CN105935664A (en) * | 2016-06-22 | 2016-09-14 | 天津美腾科技有限公司 | Dual-channel TDS (Telligent Dry Separator) |
| CN106881278A (en) * | 2017-03-08 | 2017-06-23 | 中国神华能源股份有限公司 | A kind of cleaning unit and coal preparation method |
| CN109173531A (en) * | 2018-09-29 | 2019-01-11 | 标胜环球（天津）实业有限公司 | Quantum dissociates methane gas cleaner |
| CN112264427A (en) * | 2020-09-21 | 2021-01-26 | 苏州新明和工程技术有限公司 | Broken system of selecting separately of major possession rubbish |
| CN112916421B (en) * | 2021-01-23 | 2021-09-28 | 安徽理工大学 | Photoelectric coal gangue sorting device and sorting method thereof |
| CN114115101A (en) * | 2021-11-11 | 2022-03-01 | 合肥泰禾卓海智能科技有限公司 | Dry-type coal preparation equipment and control system thereof |
| CN115138591B (en) * | 2022-09-01 | 2023-01-03 | 山西潞安环保能源开发股份有限公司五阳煤矿 | X-ray-based online detection device for foreign matters on conveyor belt |
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