CN205165215U - Dry process lump coal sorting unit - Google Patents
Dry process lump coal sorting unit Download PDFInfo
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- CN205165215U CN205165215U CN201520944012.XU CN201520944012U CN205165215U CN 205165215 U CN205165215 U CN 205165215U CN 201520944012 U CN201520944012 U CN 201520944012U CN 205165215 U CN205165215 U CN 205165215U
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Abstract
The utility model discloses a dry process lump coal sorting unit, processing apparatus, signal transmission and control system, baffle and controller, clean coal passageway, middlings passageway and waste rock passageway after feeder, cubic raw coal slide, CMOS image acquisition device, camera lens dust remover, image are lined up in vibrations. The cubic raw coal of 50~150mm of granularity through vibrations line up feeder line up the back give arrive a corresponding raw coal slide on, piece raw coal image is gathered with 3~8fps's speed by the CMOS image acquisition system, image transmission gives backstage image processing system, the system carries out feature extraction to the figure and the grey level is calculated, divide the ash content into three threshold range, and be the signal conversion of grey level difference the signal of telecommunication and then control the baffle angle with the clean coal, in the leading -in corresponding collecting channel of middlings and waste rock. Its advantage lies in: can realize the dry process and select separately, reduce the reliance to water, the sorting that can solve arid area lump coal, equipment is small, the energy consumption is low, improves the raw coal and selects separately precision and degree of automation.
Description
Technical field
The utility model belongs to coal separation mechanical equipment technical field, relates to a kind of dry method lump coal separation device.
Background technology
The conventional method of current lump coal separation mainly contains two kinds, and one is dense medium separation; Another kind is jigging sorting.In current lump coal separation, the lump coal more than 80% of below 100mm carrys out sorting by these two kinds of modes.Grading principle, these two kinds of modes all belong to the category of gravity treatment, namely realize being separated of the two by means of coal with spoil density variation.For heavy-media separator, the heavy-fluid of density in the middle of coal and spoil density is mixed with by adding dense media, thus make coal and spoil realize layering in screening installation, then realize coal further by the running of part of appliance and spoil is got rid of from different products exports.And for jigging machine, bottom jigging machine, form periodic fluctuating flow by air blast, coal and spoil realize loose, layering under upper and lower fluctuating flow active force, and the conveying that bonding apparatus structure realizes coal and spoil under horizontal applied force be separated.In the process realizing lump coal separation, what traditional method for separating and process equipment all will could realize coal by aqueous medium is separated sorting, and therefore people are referred to as coal washing also by this process image.Due to the effect of aqueous medium; cause in coal washing process and will need to recycle in the face of a large amount of black waters, simultaneously due to the mineral of argillization easy in raw coal, more increased the weight of the difficulty of slime water treatment; this had both added sorting flow process and cost, also caused the pressure of environmental protection.
In recent years, some new method for separating also emerge, as methods such as air dense medium dry separation, photoelectricity and ray discharge refuses.But mostly because the problems such as dedusting, disposal ability, energy consumption are not well applied.
Summary of the invention
The purpose of this utility model proposes a kind of based on the dry method lump coal separation device of coal with spoil gradation of image difference just for weak point existing in above-mentioned prior art, to reduce slime water treatment pressure, and reduction coal separation cost.
The purpose of this utility model realizes by following technique measures:
Dry method lump coal separation device of the present utility model comprises with the rack-mount block raw coal slideway being provided with multiple chute of tilting mode, be arranged on the vibrations queuing charging gear of block raw coal slideway middle and upper part, it is equal with the chute quantity of described block raw coal slideway that described vibrations queuing charging gear is provided with quantity, and discharge gate one to one, CMOS industrial camera and camera lens deduster that data wire is connected with image after processing device is provided with respectively in the middle and lower part of each chute of block raw coal slideway, and lighting device is provided with above CMOS industrial camera installed position, the baffle plates that can do 90 degree of rotations in level and vertical direction controlled by electromagnetic barriers controller are respectively arranged with in the discharge outlet of each chute of block raw coal slideway, and the cleaned coal passage be positioned at below baffle plate, middle coal channel, spoil passage, described electromagnetic barriers controller, image after processing device are connected with control device respectively by data wire.
CMOS industrial camera described in the utility model adopts the colored industrial camera of MV-EM130C/M type CMOS, 7,000,000 pixels, 60fps, highest resolution 1280x960, Pixel Dimensions 3.75x3.75 (μm); Described image after processing device employing model is the view data chip of C8051F340; Image after processing device is connected with host computer by data wire, and its operation controls by host computer IMAQ and handling procedure, to realize the Acquire and process of raw coal image.
The inclination angle of the block raw coal slideway described in the utility model and horizontal direction is 39 degree, slideway length is that 200 ~ 300cm(is to meet collection and the gliding speed of image, simultaneously in order to increase disposal ability), be arranged in parallel four chutes and four cover CMOS industrial cameras respectively.
The product channels width of the cleaned coal passage described in the utility model, middle coal channel, spoil passage is 20cm, and length is 60cm, and perpendicular with block raw coal slideway, and the product that four road chutes fall all can fall into corresponding product channels after baffle effect.
Electromagnetic barriers controller described in the utility model adopts electromagnetic switch; Described control device can adopt the cyclelog of any known technology to realize, host computer and the PLC be connected with host computer by data wire of preferred employing 64bt, 4 cores, 8G internal memory, 1T hard disk, can realize gray processing batch processing and the Threshold segmentation process of view data, and different gray threshold range transmission is converted into the signal of telecommunication to signal controller.
Operation principle of the present utility model is as follows:
The block raw coal be arranged in order is fed slideway by described vibrations queuing charging gear, four groups of CMOS industrial cameras gather the raw coal image of place slideway respectively, and camera lens deduster and LED light source are by reducing the backhaul of shooting area and providing sufficient light to assist often to organize phase function and collect high-quality raw coal image.Image after processing device controls image acquisition process, electromagnetic barriers controller controls the folding of the baffle plate of each slideway, control device accepts the raw coal gray difference data that transfer out in image after processing device and is changed into the signal of telecommunication and transfer to electromagnetic barriers controller to realize the control to baffle plate, baffle plate can do 90 degree of rotations in level and vertical direction, along with the rotation of baffle plate, cleaned coal, middle coal and spoil fall into cleaned coal passage, coal channel and spoil passage respectively.Support provides certain angle to slideway and plays certain supporting role to whole device.
The beneficial effects of the utility model are as follows:
Because the utility model adopts block raw coal IMAQ and the separation process of four-way parallel connection, gradation of image difference is utilized to carry out Based Intelligent Control baffle plate folding angle, achieve the three products (cleaned coal of block raw coal, middle coal and spoil) sorting, sorting granularity is that the device of 50 ~ 150mm(prior art can only be used for discharge refuse, and granularity >100mm).
Accompanying drawing explanation
Fig. 1 structural representation of the present utility model.
Fig. 2 Programmable Logic Controller realizes automatically controlling schematic diagram.
Fig. 3 baffle plate makes the lump coal of different gray value fall into corresponding product channels schematic diagram.
Fig. 4 three products (cleaned coal, middle coal and spoil) lump coal separation device sorting schematic flow sheet.
Detailed description of the invention
The utility model is further described below with reference to embodiment (accompanying drawing):
As shown in Figure 1, dry method lump coal separation device of the present utility model comprises the block raw coal slideway 2 being provided with multiple chute be arranged in tilting mode on support 13, be arranged on the vibrations queuing charging gear 1 of block raw coal slideway 2 middle and upper part, it is equal with the chute quantity of described block raw coal slideway that described vibrations queuing charging gear 1 is provided with quantity, and discharge gate one to one, CMOS industrial camera 3 and camera lens deduster 5 that data wire is connected with image after processing device 8 is provided with respectively in the middle and lower part of each chute of block raw coal slideway 2, and lighting device 4 is provided with above CMOS industrial camera 3 installed position, the baffle plates 9 that can do 90 degree of rotations in level and vertical direction controlled by electromagnetic barriers controller 6 are respectively arranged with in the discharge outlet of each chute of block raw coal slideway 2, and the cleaned coal path 10 be positioned at below baffle plate 9, middle coal channel 11, spoil passage 12, described electromagnetic barriers controller 6, image after processing device 8 are connected with control device respectively by data wire.
CMOS industrial camera 3 described in the utility model adopts the colored industrial camera of MV-EM130C/M type CMOS, 7,000,000 pixels, 60fps, highest resolution 1280x960, Pixel Dimensions 3.75x3.75 (μm); Described image after processing device 8 adopts model to be the view data chip of C8051F340; Image after processing device 8 is connected with host computer by data wire, and its operation controls by host computer IMAQ and handling procedure, to realize the Acquire and process of raw coal image.
Block raw coal slideway 2 described in the utility model is 39 degree with the inclination angle of horizontal direction, slideway length is that 200 ~ 300cm(is to meet collection and the gliding speed of image, simultaneously in order to increase disposal ability), be arranged in parallel four chutes and four cover CMOS industrial cameras 3 respectively.
The product channels width of the cleaned coal path 10 described in the utility model, middle coal channel 11, spoil passage 12 is 20cm, length is 60cm, and perpendicular with block raw coal slideway 2, the product that four road chutes fall all can fall into corresponding product channels (see Fig. 3) after baffle effect.
Electromagnetic barriers controller described in the utility model adopts electromagnetic switch; Described control device can adopt the cyclelog of any known technology to realize, the host computer of preferred employing 64bt, 4 cores, 8G internal memory, 1T hard disk, software support is mainly win7 operating system, image processing system adopts the gray scale algorithm software based on image binaryzation process of increasing income, the gray processing batch processing of view data and the Threshold segmentation process based on gray scale can be realized, by the PLC that data wire is connected with host computer, and different gray threshold range transmission is converted into the signal of telecommunication (see Fig. 2) to signal controller.
The utility model is further described below with reference to the sorting flow process of the present utility model of Fig. 3:
(1) washability assessment and threshold value are determined
Be separated described in dry method lump coal separation device of the present utility model according to be set up raw coal gradation of image difference coal cinder ash content different from raw coal difference between relation.Therefore need to carry out image data acquiring and analysis, IMAQ is carried out after treating processing block raw coal sampling, gather different masses raw coal image 100 ~ 500, by the gray scale of denoising and binary conversion treatment post analysis image, Industrial Analysis is carried out to collected specimens simultaneously, obtain the ash content of respective sample, thus set up its block coal ash and gradation of image relation, ash value is from 5% to 75%, ash content often increases the gray value of a 1% corresponding raw coal image, and is the gradation of image threshold interval according to dividing cleaned coal, middle coal and spoil according to this.
(2) system boot running
The order of start running first opens COMS camera lens deduster and LED light source, opens automatic control system.Next opens batcher, and coal stream is given on belt conveyer with certain speed, after line-up device, then enters sorting section realize sorting.Choosing after product fall into respectively corresponding product channels again through belt-conveying to warehouse.
(3) operation and maintenance of system
After system boot runs, gray threshold in the control program of host computer can be regulated to realize product ash content according to product ash requirements and reach requirement.Equipment runs running and the maintenance that namely 1 ~ 2 people can realize equipment, and whether normal timed patrol equipment is.
The lump coal material size scope of lump coal separation device of the present utility model is 50mm ~ 150mm.
Block raw coal slideway and horizontal direction are 39 degree of angles, to ensure that lump coal has certain falling speed.The width 200mm of the per pass chute in block raw coal slideway, length 3000mm.
In three products lump coal separation device of the present utility model, block raw coal after queuing up glides along block raw coal slideway 2, CMOS industrial camera 3 is arranged on 30 ~ 40cm place directly over slideway, camera lens deduster 5 is arranged on the position apart from CMOS camera lens 10cm, LED light source is positioned at slideway front, CMOS industrial camera lower position.Camera lens deduster and LED light source are the service of cmos image harvester, to collect accurately rational image.
The block raw coal entering block raw coal slideway 2 gathers raw coal image by CMOS industrial camera, after raw coal image transmitting to host computer carries out gray count, is divided into three scopes from low to high according to gray value.
Host computer and PLC 7 are arranged in central station of floating dock, and are connected by data wire and holding wire etc. with CMOS industrial camera 3, electromagnetic barriers controller.Wherein, can calculate with handling procedure and the PLC technology that can realize PLC by operation image in host computer.
Baffle plate 9 is connected with block raw coal slideway 2 by hinge or shaft connecting mode, and baffle plate 9 can be 90o in the vertical and horizontal directions and rotate.Electromagnetic barriers controller 6 is arranged on the rear of baffle plate 9, and is connected with PLC with electromagnetism by signal data line, and electromagnetic signal can be converted to mechanical force to act on on baffle plate 9 by damper actuator simultaneously.The block raw coal entering block raw coal slideway 2 gathers raw coal image by CMOS industrial camera 3, after raw coal image carries out gray count by host computer again, is divided into three scopes from low to high according to gray value; Cleaned coal path 10, middle coal channel 11 and spoil passage 12 are positioned at the lower right of four chutes side by side, the block raw coal of different gray value through the folding effect of baffle plate 9, realizes the cleaned coal of different ash content, middle coal and is separated with spoil and falls into corresponding product channels respectively and be transferred away after gray scale identification.
Claims (5)
1. a dry method lump coal separation device, it is characterized in that: it comprises the block raw coal slideway (2) being provided with multiple chute be arranged in tilting mode on support (13), be arranged on the vibrations queuing charging gear (1) of block raw coal slideway (2) middle and upper part, it is equal with the chute quantity of described block raw coal slideway that described vibrations queuing charging gear (1) is provided with quantity, and discharge gate one to one, CMOS industrial camera (3) and camera lens deduster (5) that data wire is connected with image after processing device (8) is provided with respectively in the middle and lower part of each chute of block raw coal slideway (2), and lighting device (4) is provided with above CMOS industrial camera (3) installed position, the baffle plates (9) that can do 90 degree of rotations in level and vertical direction controlled by electromagnetic barriers controller (6) are respectively arranged with in the discharge outlet of each chute of block raw coal slideway (2), and be positioned at the cleaned coal passage (10) of baffle plate (9) below, middle coal channel (11), spoil passage (12), described electromagnetic barriers controller (6), image after processing device (8) are connected with control device respectively by data wire.
2. dry method lump coal separation device according to claim 1, it is characterized in that: described CMOS industrial camera (3) adopts the colored industrial camera of MV-EM130C/M type CMOS, 7,000,000 pixels, 60fps, highest resolution 1280x960, Pixel Dimensions 3.75x3.75 μm.
3. dry method lump coal separation device according to claim 1, is characterized in that: described image after processing device (8) employing model is the view data chip of C8051F340.
4. dry method lump coal separation device according to claim 1, it is characterized in that: described block raw coal slideway (2) is 39 degree with the inclination angle of horizontal direction, slideway length is 200 ~ 300cm, and be arranged in parallel four chutes and four covers CMOS industrial camera (3) respectively.
5. dry method lump coal separation device according to claim 1, it is characterized in that: the product channels width of described cleaned coal passage (10), middle coal channel (11), spoil passage (12) is 20cm, length is 60cm, and perpendicular with block raw coal slideway (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520944012.XU CN205165215U (en) | 2015-11-24 | 2015-11-24 | Dry process lump coal sorting unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520944012.XU CN205165215U (en) | 2015-11-24 | 2015-11-24 | Dry process lump coal sorting unit |
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| CN205165215U true CN205165215U (en) | 2016-04-20 |
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| CN201520944012.XU Expired - Fee Related CN205165215U (en) | 2015-11-24 | 2015-11-24 | Dry process lump coal sorting unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105289997A (en) * | 2015-11-24 | 2016-02-03 | 河南理工大学 | Dry-method lump coal sorting device |
| CN105944976A (en) * | 2016-05-16 | 2016-09-21 | 陕西科技大学 | Method and device for sorting massive gangue by using digital image processing technology |
| CN106944366A (en) * | 2017-03-28 | 2017-07-14 | 沈阳隆基电磁科技股份有限公司 | A kind of intelligent screening installation of ore recognized based on x-ray and method |
| CN109499913A (en) * | 2018-10-12 | 2019-03-22 | 徐州市三成铸业有限公司 | A kind of multichannel coal picker |
| WO2019056402A1 (en) * | 2017-09-20 | 2019-03-28 | 南京创优科技有限责任公司 | Grayscale state sequence based feed sorting device |
-
2015
- 2015-11-24 CN CN201520944012.XU patent/CN205165215U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105289997A (en) * | 2015-11-24 | 2016-02-03 | 河南理工大学 | Dry-method lump coal sorting device |
| CN105289997B (en) * | 2015-11-24 | 2017-09-15 | 河南理工大学 | A kind of dry method lump coal separation device |
| CN105944976A (en) * | 2016-05-16 | 2016-09-21 | 陕西科技大学 | Method and device for sorting massive gangue by using digital image processing technology |
| CN106944366A (en) * | 2017-03-28 | 2017-07-14 | 沈阳隆基电磁科技股份有限公司 | A kind of intelligent screening installation of ore recognized based on x-ray and method |
| CN106944366B (en) * | 2017-03-28 | 2024-04-02 | 沈阳隆基电磁科技股份有限公司 | Intelligent ore sorting equipment and method based on x-ray identification |
| WO2019056402A1 (en) * | 2017-09-20 | 2019-03-28 | 南京创优科技有限责任公司 | Grayscale state sequence based feed sorting device |
| CN109499913A (en) * | 2018-10-12 | 2019-03-22 | 徐州市三成铸业有限公司 | A kind of multichannel coal picker |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20161124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |