CN101612616A - Online multistage screening plant of raw coal and branch screen method thereof - Google Patents
Online multistage screening plant of raw coal and branch screen method thereof Download PDFInfo
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- CN101612616A CN101612616A CN200810039789A CN200810039789A CN101612616A CN 101612616 A CN101612616 A CN 101612616A CN 200810039789 A CN200810039789 A CN 200810039789A CN 200810039789 A CN200810039789 A CN 200810039789A CN 101612616 A CN101612616 A CN 101612616A
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Abstract
The present invention relates to online multistage separating screen device of a kind of raw coal and method, it comprises: a basic platform; Vibration damping base on the basic platform; One screening plant body, it is a locking device and is arranged on the basic platform; The two pairs of relative spacings are arranged on the damping frame on the damping base; One group of screen cloth comprises that the screen cloth that sieve diameter that several layers is fixed together is different and the sieve diameter of each layer screen cloth reduce successively from top to bottom, and four jiaos and shock bracket link together; One end of each screen cloth disposes a chute; One vibrational excitation device, it is installed in screening plant body top so that screening plant produces vibration.Described multipole method for sieving comprises: open charging aperture, add the raw coal of scheduled volume; Close charging aperture, open motor, utilize the eccentric shaft type vibrator to drive the screen cloth vibration, make raw coal according to granular size at each layer screen cloth higher slice; Raw coal on each layer screen cloth is exported screening plant by chute.The present invention can carry out online screening to coal.
Description
Technical field
The present invention relates to the screening of raw coal; Relate in particular to the online screening of raw coal.
Background technology
Coal is each smelter, the requisite raw material of thermal power generation corporations.The coal size of delivering to each producer from the colliery differs, and there is different physical and chemical index requirements in each enterprise to coal, and needs sampling Detection.No matter come into operation or detect, the first step all must make a distinction coal according to particles with different sizes, traditional method is mainly to adopt the artificial means of inefficiency to come coal is sieved, but the coal consumption is very big, so long as the bigger enterprise of scale, be provided with induction system for coal invariably, after coal unloads from the shipping vehicle of deliver goods, all have conveyer belt that coal is transported to warehouse and workshop, and the coal classification has just become the bottleneck in the coal course of conveying, more clearly, coal for hundreds and thousands of tons, need great amount of manpower to be engaged in the screening of coal, labour intensity is very big, and work situation is poor.
Summary of the invention
The present invention is intended to solve the problems referred to above of prior art, provides a kind of raw coal online multistage separating screen device.The present invention can carry out online screening to coal, need not to adopt a large amount of manpowers, and screening efficiency is height greatly, reduces labour intensity.
The online multistage separating screen device of a kind of raw coal, it is installed in raw coal and puts in storage in the system that carries and take a sample to check, and it comprises:
One basis, it is made up of a platform and some supports;
One vibration damping base, it is arranged on the platform on described basis;
One screening plant body, it is a locking device and is arranged on the basic platform that described vibration damping base is positioned at wherein,
Two pairs of damping frames, their relative spacings are arranged on the damping base;
One group of screen cloth, it comprises that several layers is arranged on the different screen cloth of separating screen device body sieve diameter interior, that be fixed together and the sieve diameter of each layer screen cloth reduces successively from top to bottom; Four jiaos of described screen clothes and shock bracket link together;
Some chutes, an end of each screen cloth disposes a chute, the belt conveyor that the outlet of each chute is corresponding different respectively;
One vibrational excitation device, it is installed in screening plant body top so that screening plant produces vibration.
The online multistage screening plant of described raw coal, described vibrational excitation device comprise three cover eccentric shaft type vibrators, are driven by soft shaft coupling respectively by three motors.
The online multistage screening plant of described raw coal, described three cover eccentric shaft type vibrators are triangularly arranged.
The online multistage screening plant of described raw coal, described damping frame comprises:
Lowermost six groups of high-strength rubber groups of springs footings for being symmetrically distributed;
Middle load steel structure framework is located on six groups of high-strength rubber groups of springs footings;
Top is divided into four groups of high-strength rubber groups of springs of mesh support screen.
The online multistage screening plant of described raw coal, described screening plant body top is provided with a charging aperture.
The online multistage screening plant of described raw coal, it also comprises a screen cloth tensioning apparatus, it is arranged on the junction of screen cloth and damping frame upper end.
The online multipole screening plant of described raw coal, described screen cloth comprises the 3-5 layer that sieve diameter is different.
The online multipole method for sieving of described raw coal, it comprises:
Open the charging aperture of described screening plant, add the raw coal of scheduled volume from charging aperture;
Close charging aperture, open motor, utilize the eccentric shaft type vibrator to drive the screen cloth vibration, make raw coal lay respectively on the screen cloth of different layers according to granular size;
As required, the raw coal on each layer screen cloth is exported screening plant by chute.
The online multipole method for sieving of described raw coal, described screen cloth vibration duration are 30-150 second.
The present invention is installed in the coal conveying system, the size fractionated screen cloth has nested structure, in the useful space, increase sieving area, promptly finished screening behind each layer screen cloth of coal by this multistage separating screen device, whole screening process only 2 minutes, improve screening efficiency greatly, reduced operating personnel, also reduced operating personnel's working strength.
Description of drawings
Below, in conjunction with the accompanying drawings, further specify the present invention:
Fig. 1 is a schematic diagram of the present invention.
The specific embodiment
The online multistage separating screen device of a kind of raw coal, it is installed in raw coal and puts in storage in the system that carries and take a sample to check, and it comprises:
One basis 1, it is made up of a platform and some supports;
One vibration damping base 2, it is arranged on described basic 1 the platform;
One screening plant body 3, it is a locking device and is arranged on the platform on basis 1 that top is provided with a charging aperture 31, described vibration damping base 2 is positioned at wherein;
One group of screen cloth 5, it comprises that several layers is arranged on the different screen cloth of separating screen device body 3 3-5 layer sieve diameter interior, that be fixed together and the sieve diameter of each layer screen cloth 5 reduces successively from top to bottom
Two pairs of damping frames 4, their relative spacings are arranged on the damping base 2, and 5 four jiaos of described screen clothes and shock bracket 4 link together; Each damping frame 4 comprises:
Lowermost six groups of high-strength rubber groups of springs footings 41 for being symmetrically distributed;
Middle load steel structure framework 42 is seated on six groups of high-strength rubber groups of springs footings 41;
Top is divided into four groups of high-strength rubber groups of springs 43 of mesh support screen 5;
Some chutes 51, an end of each screen cloth 5 disposes a chute 51, and the outlet of each chute 51 is respectively to there being different belt conveyor (failing among the figure to show);
One vibrational excitation device 6, it is installed in screening plant body 3 tops so that screening plant produces vibration, and described vibrational excitation device 6 comprises three cover eccentric shaft type vibrators, is driven by soft shaft coupling respectively by three motors; And three cover eccentric shaft type vibrators are triangularly arranged.
The online multistage screening plant of described raw coal, it also comprises a screen cloth tensioning apparatus 7, it is arranged on the junction of screen cloth 8 and damping frame 4 upper ends.
The online multipole method for sieving of described raw coal
Open the charging aperture 31 of described screening plant, add the raw coal of scheduled volume from charging aperture 31;
As required, the raw coal on each layer screen cloth 5 is exported screening plants by chute 51.
Claims (9)
1, the online multistage separating screen device of a kind of raw coal, it is installed in raw coal and puts in storage in the system that carries and take a sample to check, and it is characterized in that it comprises:
One basis, it is made up of a platform and some supports;
One vibration damping base, it is arranged on the platform on described basis;
One screening plant body, it is a locking device and is arranged on the basic platform that described vibration damping base is positioned at wherein,
Two pairs of damping frames, their relative spacings are arranged on the damping base;
One group of screen cloth, it comprises that several layers is arranged on the different screen cloth of separating screen device body sieve diameter interior, that be fixed together and the sieve diameter of each layer screen cloth reduces successively from top to bottom; Four jiaos of described screen clothes and shock bracket link together;
Some chutes, an end of each screen cloth disposes a chute, the belt conveyor that the outlet of each chute is corresponding different respectively;
One vibrational excitation device, it is installed in screening plant body top so that screening plant produces vibration.
2, the online multistage screening plant of raw coal according to claim 1 is characterized in that, described vibrational excitation device comprises three cover eccentric shaft type vibrators, is driven by soft shaft coupling respectively by three motors.
3, the online multistage screening plant of raw coal according to claim 2 is characterized in that, described three cover eccentric shaft type vibrators are triangularly arranged.
4, the online multistage screening plant of raw coal according to claim 1 is characterized in that, described damping frame comprises:
Lowermost six groups of high-strength rubber groups of springs footings for being symmetrically distributed;
Middle load steel structure framework is located on six groups of high-strength rubber groups of springs footings;
Top is divided into four groups of high-strength rubber groups of springs of mesh support screen.
5, the online multistage screening plant of raw coal according to claim 1 is characterized in that, described screening plant body top is provided with a charging aperture.
6, the online multistage screening plant of raw coal according to claim 1 is characterized in that, it also comprises a screen cloth tensioning apparatus, and it is arranged on the junction of screen cloth and damping frame upper end.
7, the online multipole screening plant of raw coal according to claim 1 is characterized in that, described screen cloth comprises the 3-5 layer that sieve diameter is different.
8. the online multipole method for sieving of raw coal according to claim 1 is characterized in that it comprises:
Open the charging aperture of described screening plant, add the raw coal of scheduled volume from charging aperture;
Close charging aperture, open motor, utilize the eccentric shaft type vibrator to drive the screen cloth vibration, make raw coal lay respectively on the screen cloth of different layers according to granular size;
As required, the raw coal on each layer screen cloth is exported screening plant by chute.
9. the online multipole method for sieving of raw coal according to claim 8 is characterized in that, described screen cloth vibration duration is 30-150 second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100397896A CN101612616B (en) | 2008-06-27 | 2008-06-27 | On-line multistage screening device for raw coal and screening method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100397896A CN101612616B (en) | 2008-06-27 | 2008-06-27 | On-line multistage screening device for raw coal and screening method thereof |
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| Publication Number | Publication Date |
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| CN101612616A true CN101612616A (en) | 2009-12-30 |
| CN101612616B CN101612616B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100397896A Expired - Fee Related CN101612616B (en) | 2008-06-27 | 2008-06-27 | On-line multistage screening device for raw coal and screening method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3460448A1 (en) * | 2017-09-22 | 2019-03-27 | Siebtechnik GmbH | Method and multi-layer screening machine for determining the individual grain classes of a sample of material |
| CN111812295A (en) * | 2020-07-21 | 2020-10-23 | 安徽理工大学 | High-efficient separation of coal water gas mixture, recovery processing and cyclic utilization test device |
| CN111830231A (en) * | 2020-07-21 | 2020-10-27 | 安徽理工大学 | Efficient separation, recovery treatment and cyclic utilization test method for coal-water-gas mixture |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5299692A (en) * | 1993-02-03 | 1994-04-05 | Jtm Industries, Inc. | Method and apparatus for reducing carbon content in particulate mixtures |
| CN2514939Y (en) * | 2001-12-28 | 2002-10-09 | 李功民 | Multilayer composite coal separating machine by dry method |
| US7347331B2 (en) * | 2004-08-13 | 2008-03-25 | Regents Of The University Of Minnesota | Fines removal apparatus and methods/systems regarding same |
| KR100778681B1 (en) * | 2006-12-01 | 2007-11-28 | 주식회사 포스코 | Appratus for separating foreign substance form coal |
-
2008
- 2008-06-27 CN CN2008100397896A patent/CN101612616B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3460448A1 (en) * | 2017-09-22 | 2019-03-27 | Siebtechnik GmbH | Method and multi-layer screening machine for determining the individual grain classes of a sample of material |
| WO2019057324A1 (en) * | 2017-09-22 | 2019-03-28 | Siebtechnik Gmbh | Method and multi-deck screener for determining the individual particle size classes of a material sample |
| CN111812295A (en) * | 2020-07-21 | 2020-10-23 | 安徽理工大学 | High-efficient separation of coal water gas mixture, recovery processing and cyclic utilization test device |
| CN111830231A (en) * | 2020-07-21 | 2020-10-27 | 安徽理工大学 | Efficient separation, recovery treatment and cyclic utilization test method for coal-water-gas mixture |
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| CN101612616B (en) | 2012-07-04 |
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Address after: 201900 Shanghai city Baoshan District Meipu Road No. 335 Patentee after: SHANGHAI BAOSTEEL INDUSTRY TECHNOLOGICAL SERVICE Co.,Ltd. Address before: 201900 Shanghai city Baoshan District Meipu Road No. 335 Patentee before: Shanghai Baosteel Industrial Inspection Co.,Ltd. Address after: 201900 Shanghai city Baoshan District Meipu Road No. 335 Patentee after: Shanghai Baosteel Industrial Inspection Co.,Ltd. Address before: 201900 Shanghai city Baoshan District Meipu Road No. 335 Patentee before: Shanghai Baosteel Industry Inspection Corp. |
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Granted publication date: 20120704 Termination date: 20180627 |
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