CN206248494U - A kind of coal charge Density Distribution on-line detecting system - Google Patents
A kind of coal charge Density Distribution on-line detecting system Download PDFInfo
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- CN206248494U CN206248494U CN201621261121.2U CN201621261121U CN206248494U CN 206248494 U CN206248494 U CN 206248494U CN 201621261121 U CN201621261121 U CN 201621261121U CN 206248494 U CN206248494 U CN 206248494U
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- coal charge
- vibratory sieve
- flat board
- density distribution
- detecting system
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Abstract
The utility model is related to a kind of coal charge Density Distribution on-line detecting system, including vibratory sieve, for obtaining coal charge, and coal charge dispersion and coal slime is filtered;Flusher, is arranged on the top of vibratory sieve, there is provided water pressure is rinsed to the coal charge on vibratory sieve;Hot-air drying unit, is arranged on the top of vibratory sieve, the coal charge on drying vibrating screen, and the steam of absorption is separated into hot-air and water;Flat board chute, is inclined at the lower section of vibratory sieve, and the coal charge after disperseing from vibratory sieve and filtering enters flat board chute;Image collecting device, perpendicular to flat board chute and is arranged on the top of flat board chute, and the image to the coal charge on flat board chute is acquired;Host computer, obtains the image of the coal charge of image acquisition device, and according to graphical analysis coal charge Density Distribution.The coal charge Density Distribution on-line detecting system that the utility model is provided, for host computer provides accurate coal charge image information, is easy to be analyzed by machine vision technique the Density Distribution of coal charge.
Description
Technical field
The utility model is related to coal separation field, more particularly to a kind of coal charge Density Distribution on-line detecting system.
Background technology
Density Distribution is one of important separation index during coal separation, and effective coal charge Density Distribution inspection in real time
The missing of survey method constrains the development of coal preparing plant automation.At present, the measuring method of coal charge Density Distribution is still floated with traditional
Based on heavy test method(s), high precision but labor intensive material resources and time, it is impossible to for real-time instruction production.It is fast after coal preparation plant's improvement
Floating means can accelerate to estimate coal charge Density Distribution, but still not reach the purpose of real-time detection, and surveying data also not exclusively has
It is representative.In recent years, machine vision technique is increasing for the research of coal charge Density Distribution prediction, and real-time detection effect shows
Write, and it is best for drying, clean individual layer coal charge precision of prediction.However, the complicated operating mode of coal preparation plant constrains the technology
Using Major Difficulties include:Firstth, coal charge surface moisture on belt conveyer, is covered by coal dust more, causes machine vision to be difficult
Identification coal grain;Secondth, it is in stacking states coal charge on belt conveyer, machine vision technique can only analyze top layer coal charge density point more
Cloth, predicts the outcome without representativeness.
Utility model content
The utility model solves machine in the prior art and regards by providing a kind of coal charge Density Distribution on-line detecting system
Feel equipment is difficult to coal grain, and machine vision technique can only analyze the technical problem of top layer coal charge Density Distribution so that treat
The coal charge surface of detection is clean, dry and in monolayer distribution, substantially increases the scene of coal charge Density Distribution on-line measuring device
Adaptability and accuracy of detection, for host computer provides accurate coal charge image information, are easy to be analyzed by machine vision technique
The Density Distribution of coal charge.The utility model provides a kind of coal charge Density Distribution on-line detecting system, including:
Vibratory sieve, for obtaining coal charge, and coal charge dispersion and coal slime is filtered;
Flusher, is arranged on the top of the vibratory sieve, there is provided water pressure is rushed to the coal charge on the vibratory sieve
Wash;
Hot-air drying unit, is arranged on the top of the vibratory sieve, for drying the coal charge on the vibratory sieve, and will inhale
The steam of receipts is separated into hot-air and water;
Flat board chute, is inclined at the lower section of the vibratory sieve, the coal charge after disperseing from the vibratory sieve and filtering
Into the flat board chute;
Image collecting device, perpendicular to the flat board chute and is arranged on the top of the flat board chute, to the flat board
The image of the coal charge on chute is acquired;
Host computer, is communicated with described image harvester, obtains the figure of the coal charge of described image harvester collection
Picture, and coal charge Density Distribution is analyzed according to described image.
Further, also include:First belt conveyor;
First belt conveyor is arranged on the upstream of the vibratory sieve, and coal charge is delivered into the vibratory sieve.
Further, also include:First V-type hopper;
The first V-type hopper is arranged between first belt conveyor and the vibratory sieve, first belt
Coal charge on conveyer falls into the vibratory sieve through the first V-type hopper.
Further, also include:Second belt conveyor;
Second belt conveyor is arranged on the downstream of the flat board chute, and the coal charge that the flat board chute falls falls into
Second belt conveyor.
Further, also include:Second V-type hopper;
The second V-type hopper is arranged between the flat board chute and second belt conveyer, and the flat board is slipped
Coal charge on groove falls into second belt conveyer through the second V-type hopper.
Further, the hot-air drying unit includes:Cage, hot blast air-dry machine and cyclone steam separator;
The cage is arranged on the top of the vibratory sieve;
The hot blast air-dry machine is arranged on inside the cage;
The cyclone steam separator is fixedly connected with the cage.
Further, described image harvester includes:Light shield, industrial camera and light source;
The light shield is perpendicular to the flat board chute and is arranged on the top of the flat board chute;
The industrial camera is arranged on inside the light shield, and the industrial camera is connected with the host computer;
The light source is arranged in the light shield, and the light source is evenly distributed on the industrial camera outside.
Further, the light source is three-primary color LED chip lamp.
Further, the vibratory sieve is inertia circular motion shaking screen, and vibration frequency is 16HZ, and compass screen surface inclines 15 °, sieve aperture
A diameter of 1mm.
One or more technical scheme that the utility model is provided, at least possesses following beneficial effect or advantage:
The coal charge Density Distribution on-line detecting system that the utility model is provided, vibratory sieve can fully divide coal charge to be measured
Dissipate;Flusher ensures that coal charge to be measured rinses complete, and coal charge surface coal ash and flushing water are gone out along sieve aperture, improve coal charge
Cleannes;Steam is separated into water and dries hot-air by hot-air drying unit, and water can do circulating flushing wash water, and drying hot-air can make
For air flow dryer is recycled, energy consumption is saved, hot-air drying unit can be improved within coal charge surface moisture content 5%
The aridity of coal charge.Dry tack free, clean coal charge to be measured disperse to glide through flat board chute in individual layer coal charge, are adopted by image
Acquisition means gather the realtime graphic of coal charge, substantially increase live adaptability and the inspection of coal charge Density Distribution on-line measuring device
Precision is surveyed, for host computer provides accurate coal charge image information, is easy to be analyzed by machine vision technique the density point of coal charge
Cloth.
Brief description of the drawings
The coal charge Density Distribution on-line detecting system structural representation that Fig. 1 is provided for the utility model embodiment.
Specific embodiment
The utility model embodiment is solved in the prior art by providing a kind of coal charge Density Distribution on-line detecting system
Machine vision equipment is difficult to coal grain, and machine vision technique can only analyze the technical problem of top layer coal charge Density Distribution,
So that coal charge surface to be detected is clean, dry and in monolayer distribution, coal charge Density Distribution on-line measuring device is substantially increased
Live adaptability and accuracy of detection, for host computer provides accurate coal charge image information, be easy to by machine vision skill
Art analyzes the Density Distribution of coal charge.
Referring to Fig. 1, the utility model embodiment provides a kind of coal charge Density Distribution on-line detecting system, including:
Vibratory sieve 15, for obtaining coal charge, and coal charge is disperseed;
Flusher 2, is arranged on the top of vibratory sieve 15, there is provided water pressure is rinsed to the coal charge on vibratory sieve 15;
Hot-air drying unit 3, is arranged on the top of vibratory sieve 15, for the coal charge on drying vibrating screen 15, and will absorb
Steam be separated into hot-air and water;
Flat board chute 13, is inclined at the lower section of vibratory sieve 15, for the coal charge of filtering enters flat board from vibratory sieve 15
Chute 13;
Image collecting device, perpendicular to flat board chute 13 and is arranged on the top of flat board chute 13, on flat board chute 13
The image of coal charge be acquired;
Host computer 9, is communicated with image collecting device, obtains the image of the coal charge of image acquisition device, and root
According to graphical analysis coal charge Density Distribution.
On the basis of above-mentioned coal charge Density Distribution on-line detecting system, the utility model embodiment additionally provides various excellent
Selecting technology scheme:
A kind of optimal technical scheme, coal charge Density Distribution on-line detecting system also includes:First belt conveyor 1;First
Belt conveyor 1 is arranged on the upstream of vibratory sieve 15, and coal charge is delivered into vibratory sieve 15.
Above-mentioned technical proposal is connect, coal charge Density Distribution on-line detecting system also includes:First V-type hopper 16;First V-type material
Bucket 16 is arranged between the first belt conveyor 1 and vibratory sieve 15, and the coal charge on the first belt conveyor 1 is through the first V-type hopper
16 fall into vibratory sieve 15.
Above-mentioned technical proposal is connect, coal charge Density Distribution on-line detecting system also includes:Second belt conveyor 11;Second skin
The downstream of flat board chute 13 is arranged on conveyer 11, the coal charge that flat board chute 13 falls falls into the second belt conveyor 11.
Above-mentioned technical proposal is connect, coal charge Density Distribution on-line detecting system also includes:Second V-type hopper 12;Second V-type material
Bucket 12 is arranged between the belt conveyer 11 of flat board chute 13 and second, and the coal charge on flat board chute 13 is through the second V-type hopper 12
Fall into the second belt conveyer 11.
In above-mentioned one or more technical scheme, hot-air drying unit 3 includes:Cage 5, hot blast air-dry machine 4 and whirlwind
Steam-water separator 6;Cage 5 is arranged on the top of vibratory sieve 15;Hot blast air-dry machine 4 is arranged on inside cage 5;Cyclone steam
Separator 6 is fixedly connected with cage 5.
Above-mentioned technical proposal is connect, image collecting device includes:Light shield 7, industrial camera 8 and light source 10;Light shield 7 is vertical
In flat board chute 13 and it is arranged on the top of flat board chute 13;Industrial camera 8 is arranged on inside light shield 7, industrial camera 8 and institute
Host computer 9 is stated to connect;Light source 10 is arranged in light shield 7, and light source 10 is evenly distributed on the outside of industrial camera 8.
In above-mentioned one or more technical scheme, light source 10 is three-primary color LED chip lamp.
In above-mentioned one or more technical scheme, the angle of inclination of flat board chute 13 is 30-60 °.
In above-mentioned one or more technical scheme, vibratory sieve 15 is inertia circular motion shaking screen 15, and vibration frequency is 16HZ,
Compass screen surface inclines 15 °, and sieve diameter is 1mm.
The coal charge Density Distribution on-line detecting system provided the utility model with reference to specific embodiment is said
It is bright:Referring to Fig. 1, in the present embodiment, using inertia circular motion shaking screen 15, vibration frequency is 16HZ to vibratory sieve 15, and compass screen surface is inclined
15 °, slot size is 1mm, and vibratory sieve 15 can be fully dispersed by coal charge to be measured.Flusher 2 is rinsed by porous nozzle and treated
Coal charge is surveyed, two row's porous nozzles are provided with the present embodiment, often arrange adjacent porous shower nozzle interval 30cm, it is ensured that coal charge to be measured is rinsed
Completely, coal charge surface coal ash and flushing water enter minus mesh bucket 14 along sieve aperture, can be directly entered flotation workshop.Hot-air seasoning is filled
Put 3 and dry coal charge free surface moisture to be measured by hot blast exhaust outlet, hot-air drying unit 3 uses heat pump drying in the present embodiment
Machine, there is provided four row's exhaust outlets, often arrange adjacent exhaust outlet interval 30cm, hot blast temperature is 75 DEG C ± 5 DEG C.Cage 5 uses aluminium
Prepared material, lightweight, it is excessive to reduce moist hot air, keeps drying temperature in cover;Moist hot air is through whirlwind in cage 5
Steam-water separator 6, is separated into water and dries hot-air, and water can do circulating flushing wash water, and drying hot-air can be used as air flow dryer
Recycle, save energy consumption;Hot-air drying unit 3 can be realized within coal charge surface moisture content 5%;It is dry tack free, clean
Coal charge to be measured through flat board chute 13 in individual layer coal charge disperse glide, the present embodiment middle plateform chute 13 be iron plate material, incline
30 ° of angle.In coal charge Density Distribution on-line measuring device, light shield 7, industrial camera 8, light source 10 are each perpendicular to flat board chute
13;Light shield 7 is iron sheet material, and light source 10 is four, three-primary color LED chip lamp, is uniformly distributed around industrial camera 8, adjacent
90 ° each other of LED chip lamp angle;Industrial camera 8 is fixed on the top center of light shield 7, from German Baumer HX C13 at a high speed
Camera, image resolution ratio is 1280*1024 pixels, 500 frames of frame per second/second;The captured in real-time coal charge image of industrial camera 8, through gigabit
Ethernet interface is transmitted to message handler and carries out coal charge graphical analysis, through image segmentation and identification, surface characteristics parameter extraction,
Coal granule density level and prediction of quality algorithm, final real-time statistic analysis coal charge Density Distribution, and Real time displaying coal charge density to be measured
Distribution testing result.After the completion of coal charge on-line checking, belt conveyor, transport to following process ring are fallen into through V-type hopper buffering
Section.
Referring to one or more technical scheme that Fig. 1, the utility model embodiment are provided, at least possesses following beneficial effect
Really:
The coal charge Density Distribution on-line detecting system that the utility model embodiment is provided, vibratory sieve 15 can be by coal charge to be measured
It is fully dispersed;Flusher 2 ensures that coal charge to be measured rinses complete, and coal charge surface coal ash and flushing water are gone out along sieve aperture, improve
The cleannes of coal charge;Steam is separated into water and dries hot-air by hot-air drying unit 3, and water can do circulating flushing wash water, is dried
Hot-air can be recycled as air flow dryer, save energy consumption, and hot-air drying unit 3 can be by coal charge surface moisture content
Within 5%, the aridity of coal charge is improve.Dry tack free, clean coal charge to be measured disperse through flat board chute 13 in individual layer coal charge
Glide, by the realtime graphic of image acquisition device coal charge, substantially increase coal charge Density Distribution on-line measuring device
Live adaptability and accuracy of detection, are that host computer 9 provides accurate coal charge image information, are easy to by machine vision technique
Analyze the Density Distribution of coal charge.
It should be noted last that, above specific embodiment is only used to illustrate the technical solution of the utility model rather than limit
System, although being described in detail to the utility model with reference to example, it will be understood by those within the art that, can be right
The technical solution of the utility model is modified or equivalent, without deviating from the spirit and model of technical solutions of the utility model
Enclose, it all should cover in the middle of right of the present utility model.
Claims (9)
1. a kind of coal charge Density Distribution on-line detecting system, it is characterised in that including:
Vibratory sieve, for obtaining coal charge, and coal charge dispersion and coal slime is filtered;
Flusher, is arranged on the top of the vibratory sieve, there is provided water pressure is rinsed to the coal charge on the vibratory sieve;
Hot-air drying unit, is arranged on the top of the vibratory sieve, for drying the coal charge on the vibratory sieve, and will absorb
Steam is separated into hot-air and water;
Flat board chute, is inclined at the lower section of the vibratory sieve, and the coal charge after disperseing from the vibratory sieve and filtering enters
The flat board chute;
Image collecting device, perpendicular to the flat board chute and is arranged on the top of the flat board chute, to the flat board chute
On the image of coal charge be acquired;
Host computer, is communicated with described image harvester, obtains the image of the coal charge of described image harvester collection, and
Coal charge Density Distribution is analyzed according to described image.
2. coal charge Density Distribution on-line detecting system as claimed in claim 1, it is characterised in that also include:First belt is defeated
Send machine;
First belt conveyor is arranged on the upstream of the vibratory sieve, and coal charge is delivered into the vibratory sieve.
3. coal charge Density Distribution on-line detecting system as claimed in claim 2, it is characterised in that also include:First V-type material
Bucket;
The first V-type hopper is arranged between first belt conveyor and the vibratory sieve, first Belt Conveying
Coal charge on machine falls into the vibratory sieve through the first V-type hopper.
4. coal charge Density Distribution on-line detecting system as claimed in claim 3, it is characterised in that also include:Second belt is defeated
Send machine;
Second belt conveyor is arranged on the downstream of the flat board chute, and the coal charge that the flat board chute falls falls into described
Second belt conveyor.
5. coal charge Density Distribution on-line detecting system as claimed in claim 4, it is characterised in that also include:Second V-type material
Bucket;
The second V-type hopper is arranged between the flat board chute and second belt conveyer, on the flat board chute
Coal charge fall into second belt conveyer through the second V-type hopper.
6. the coal charge Density Distribution on-line detecting system as described in claim any one of 1-5, it is characterised in that the hot blast dries
Equipment for drying includes:Cage, hot blast air-dry machine and cyclone steam separator;
The cage is arranged on the top of the vibratory sieve;
The hot blast air-dry machine is arranged on inside the cage;
The cyclone steam separator is fixedly connected with the cage.
7. coal charge Density Distribution on-line detecting system as claimed in claim 6, it is characterised in that described image harvester bag
Include:Light shield, industrial camera and light source;
The light shield is perpendicular to the flat board chute and is arranged on the top of the flat board chute;
The industrial camera is arranged on inside the light shield, and the industrial camera is connected with the host computer;
The light source is arranged in the light shield, and the light source is evenly distributed on the industrial camera outside.
8. coal charge Density Distribution on-line detecting system as claimed in claim 7, it is characterised in that the light source is three primary colours
LED chip lamp.
9. the coal charge Density Distribution on-line detecting system as described in claim any one of 1-5, it is characterised in that the vibratory sieve
It is inertia circular motion shaking screen, vibration frequency is 16HZ, and compass screen surface inclines 15 °, and sieve diameter is 1mm.
Priority Applications (1)
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CN201621261121.2U CN206248494U (en) | 2016-11-10 | 2016-11-10 | A kind of coal charge Density Distribution on-line detecting system |
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CN201621261121.2U CN206248494U (en) | 2016-11-10 | 2016-11-10 | A kind of coal charge Density Distribution on-line detecting system |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106644825A (en) * | 2016-11-10 | 2017-05-10 | 武汉科技大学 | Online detection system for density distribution of coal material |
CN108217131A (en) * | 2018-01-05 | 2018-06-29 | 宁夏亘峰嘉能能源科技股份有限公司 | Gangue crushes raw material feeding mixing system |
CN110065801A (en) * | 2019-06-05 | 2019-07-30 | 安徽金星钛白(集团)有限公司 | A kind of titanium dioxide conveying anti-blocking equipment of blanking |
CN114522805A (en) * | 2022-02-22 | 2022-05-24 | 吕显华 | Coal flotation desulfurization system |
-
2016
- 2016-11-10 CN CN201621261121.2U patent/CN206248494U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106644825A (en) * | 2016-11-10 | 2017-05-10 | 武汉科技大学 | Online detection system for density distribution of coal material |
CN108217131A (en) * | 2018-01-05 | 2018-06-29 | 宁夏亘峰嘉能能源科技股份有限公司 | Gangue crushes raw material feeding mixing system |
CN110065801A (en) * | 2019-06-05 | 2019-07-30 | 安徽金星钛白(集团)有限公司 | A kind of titanium dioxide conveying anti-blocking equipment of blanking |
CN114522805A (en) * | 2022-02-22 | 2022-05-24 | 吕显华 | Coal flotation desulfurization system |
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GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20181110 |