CN111790594A - Automatic grain-size screening device and method - Google Patents
Automatic grain-size screening device and method Download PDFInfo
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- CN111790594A CN111790594A CN202010524858.3A CN202010524858A CN111790594A CN 111790594 A CN111790594 A CN 111790594A CN 202010524858 A CN202010524858 A CN 202010524858A CN 111790594 A CN111790594 A CN 111790594A
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- sieve
- materials
- sieves
- processing system
- weight
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4663—Multi-layer screening surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a grain-size automatic screening device, which comprises two breast boards fixedly arranged on an electronic scale, wherein the middle of the two breast boards is detachably connected with a plurality of sieves and supporting boards, the sieve holes of the sieves are sequentially reduced from top to bottom, the front end and the tail end of one side of each sieve are respectively connected with a vibration device, the vibration devices control the vibration frequency through an electronic processing system so as to sequentially screen materials on the sieves from top to bottom, the vibration devices are electrically connected with the electronic processing system, the electronic scale records and calculates the percentage of each grain-size material through the electronic processing system according to the initial weight of the breast boards and the sieves before vibration and the total weight of the sieves and the materials on the sieves after vibration, and the electronic scale is electrically connected with the electronic processing system, so that the invention can screen the sieves by sequentially vibrating the vibration devices, is simple in operation and saves the labor cost, the working efficiency is improved.
Description
Technical Field
The invention relates to a device for automatically screening the size fraction of raw fuel entering a blast furnace, in particular to a device and a method for automatically screening the size fraction.
Background
The quality of the blast furnace raw fuel, which is an important factor closely concerned by blast furnace workers, needs to be detected regularly, the composition of the grade of the raw fuel is an important link of the quality of the raw fuel, the composition of the grade needs to be tested every day, and the blast furnace is adjusted properly. At present, most of particle size fraction detection is that two people manually carry out handheld sieve to carry out screening, and the work efficiency is low.
Disclosure of Invention
The invention aims to provide a device and a method for automatically screening particle sizes, which can automatically screen raw fuel and calculate the percentage of materials in each particle size.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides an automatic screening plant of grade, is including fixed two breast boards that set up at the electronic scale, two can dismantle in the centre of breast board and be connected with a plurality of sieves and layer board and a plurality of sieve from the top down sieve mesh and reduce in proper order, every sieve one side front end and end all are connected with vibrator, and are a plurality of vibrator passes through electronic processing system control vibration frequency and then from the top down and sieves and be a plurality of respectively in proper order vibrator all with electronic processing system electric connection, the total weight of material passes through electronic processing system record and calculates each grade material percentage and electronic scale and electronic processing system electric connection on a plurality of sieves and the sieve after the electronic scale will vibrate the weight of a plurality of sieves before will shaking.
The technical scheme of the invention is further improved as follows: two the inboard of breast board is all fixed and is provided with a plurality of slides, every two outsides of sieve are all fixed and are provided with the slide rail that uses with the slide cooperation, the terminal fixed slide rail of draw-in groove, the front end that pass through the slide end of sieve are fixed with the breast board through the activity bolt.
The technical scheme of the invention is further improved as follows: and a damping rubber ring is arranged between each sieve and the vibration device.
The technical scheme of the invention is further improved as follows: the sieve is provided with three and is first sieve, second sieve, third sieve in proper order by big diminish according to the sieve mesh.
The technical scheme of the invention is further improved as follows: a method for automatically screening particle sizes comprises the following steps:
firstly, initial weight: electronic scaleInitial weight t of the amount of unmounted sieve and pallet0And transmitting to an electronic processing system for recording;
net weight of the sieve and the supporting plate: the sieves with different sieve holes are selected according to different screened materials, the first sieve, the second sieve, the third sieve and the supporting plate are sequentially installed from top to bottom and are fixed with the breast board, and meanwhile, the electronic scale sequentially weighs the weight t1、t2、t3、t4The net weight of the first sieve, the second sieve, the third sieve and the supporting plate is respectively y after being transmitted to an electronic processing system for recording and calculating1＝t1-t0、y2＝t2-t1、y3＝t3-t2、y4＝t4-t3；
③ weight of materials: the vibrating devices connected to the first sieve, the second sieve and the third sieve are sequentially and respectively opened to split materials, and after the sieving is finished, the electronic scale is used for weighing the total weight T0And transmitting to an electronic processing system for recording; then the first sieve, the second sieve, the third sieve and the supporting plate which comprise the materials are taken out in sequence, and meanwhile, the electronic scale weighs the weight T in sequence1、T2、T3、T4Then the net weight of the materials on the first sieve, the materials on the second sieve, the materials on the third sieve and the materials on the supporting plate are respectively S1＝T1-T0-y1、S2＝T2-T1-y2、S3＝T3-T2-y3、S4＝T4-T3-y4；
Fourthly, the percentage of materials in each grade: the percentages of the materials of the first sieve, the second sieve, the third sieve and the supporting plate in each size fraction are respectively as follows:
due to the adoption of the technical scheme, the invention has the technical progress that:
1. the sieve in the device is detachably arranged on the breast board, and sieves with different sieve holes can be selected according to different screened materials, so that the application range is wide;
2. the device sequentially shakes the sieves to screen through the vibration device, so that the operation is simple, and the labor cost is saved;
3. the device transmits the measured data to the electronic processing system through the electronic scale to calculate the percentage of the materials of each grade, thereby improving the working efficiency.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is a side view of the apparatus of the present invention showing the screen and the electric shock apparatus connected together;
the device comprises a main body, a plurality of vibrating devices, a plurality of electronic processing systems, a plurality of vibrating devices, a plurality of vibration control devices and a plurality of vibration control devices, wherein the vibrating devices comprise 1, a breast board, 2, a sieve, 2-1, a first sieve, 2-2, a second sieve, 2-3, a third sieve, 3, an electronic scale, 4, a supporting plate.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
as shown in figures 1 to 2, a kind of automatic screening plant of grade, including fixed two breast boards 1 that set up at electronic scale 3, two can dismantle in the centre of breast board 1 and be connected with a plurality of sieves 2 and layer board 4 and a plurality of sieves 2 from the top down sieve mesh and reduce in proper order, every the front end and the end of sieve 2 one side all are connected with vibrator 5, every all be provided with damping rubber ring 7 between sieve 2 and vibrator 5, reduce the wearing and tearing that vibrations bring for sieve 2, it is a plurality of vibrator 5 passes through electronic processing system 6 control vibration frequency and then from the top down and sieve material on the sieve 2 respectively and a plurality of vibrator 5 all with electronic processing system 6 electric connection, electronic scale 3 passes through electronic processing system 6 record and calculates each electronic scale grade material percentage and electronic scale 6 electric connection of the total weight of material on a plurality of sieves 2 and the sieve 2 after will vibrate before vibrations of a plurality of sieves 2, electronic scale 3 and electronic processing system 6 electric connection .
Two the inboard of breast board 1 is all fixed and is provided with the slide, every 2 two outsides of sieve are all fixed and are provided with the slide rail that uses with the slide cooperation, the terminal fixed slide rail of draw-in groove, the front end that pass through the slide end of sieve 2 are fixed through activity bolt and breast board 1.
The sieve 2 is provided with three sieves, namely a first sieve 2-1, a second sieve 2-2 and a third sieve 2-3 in sequence according to the sequence that the sieve pores are reduced from large to small, for example, the sieve pores of the first sieve 2-1, the second sieve 2-2 and the third sieve 2-3 are 25mm, 10mm and 5mm in sequence when the sintered ore is sieved; when the coke is sieved, the mesh openings of the first sieve 2-1, the second sieve 2-2 and the third sieve 2-3 are 60mm, 40mm and 25mm in sequence.
A method for automatically screening particle sizes comprises the following steps:
firstly, initial weight: initial weight t of the electronic scale 3 without the sieve 2 and the pallet 40And transmits to the electronic processing system 6 for recording;
net weight of the sieve and the supporting plate: selecting a sieve 2 with different sieve pores according to different screened materials, sequentially installing a first sieve 2-1, a second sieve 2-2, a third sieve 2-3 and a supporting plate 4 from top to bottom and fixing the sieves with a breast board 1, and simultaneously sequentially weighing the weight t by an electronic scale 31、t2、t3、t4The net weight of the first sieve 2-1, the second sieve 2-2, the third sieve 2-3 and the supporting plate 4 is respectively y which is obtained by transmitting the data to an electronic processing system 6 for recording and calculating1＝t1-t0、y2＝t2-t1、y3＝t3-t2、y4＝t4-t3；
③ weight of materials: the first sieve 2-1, the second sieve 2-2 and the third sieve 2-3 are respectively opened in sequenceThe vibrating device 5 connected carries out material splitting, and after the screening is finished, the electronic scale 3 firstly weighs the total weight T0And transmits to the electronic processing system 6 for recording; then the first sieve 2-1, the second sieve 2-2, the third sieve 2-3 and the supporting plate 4 containing the materials are taken out in sequence, and the electronic scale 3 weighs the weight T in sequence1、T2、T3、T4Then the net weight of the materials on the first sieve 2-1, the materials on the second sieve 2-2, the materials on the third sieve 2-3 and the materials on the supporting plate 4 are respectively S1＝T1-T0-y1、S2＝T2-T1-y2、S3＝T3-T2-y3、S4＝T4-T3-y4；
Fourthly, the percentage of materials in each grade: the percentages of materials of each size fraction of the first sieve 2-1, the second sieve 2-2, the third sieve 2-3 and the supporting plate 4 are respectively as follows:
the sieve 2 in the device is detachably arranged on the breast board 1, and the sieve 2 with different sieve pores can be selected according to different screened materials, so that the application range is wide; the sieves 2 are sequentially vibrated by the vibration device 5 for sieving, so that the operation is simple, and the labor cost is saved; the measured data is transmitted to the electronic processing system 6 through the electronic scale 3 to be calculated to obtain the percentage of the material in each grade, so that the working efficiency is improved.
Claims (5)
1. The utility model provides a granular automatic screening plant which characterized in that: comprises two breast boards (1) fixedly arranged on an electronic scale (3), wherein the middle of the two breast boards (1) is detachably connected with a plurality of sieves (2) and a supporting board (4), the sieve holes of the sieves (2) are sequentially reduced from top to bottom, the front end and the tail end of one side of each sieve (2) are respectively connected with a vibration device (5), the vibration devices (5) control the vibration frequency through an electronic processing system (6) so as to sequentially and respectively sieve materials on the sieves (2) from top to bottom, and the vibration devices (5) are electrically connected with the electronic processing system (6), the electronic scale (3) records and calculates the percentage of the materials in each size fraction through the electronic processing system (6) according to the weight of the plurality of sieves (2) before vibration and the total weight of the materials on the plurality of sieves (2) and the sieves (2) after vibration, and the electronic scale (3) is electrically connected with the electronic processing system (6).
2. A granular scale automatic screening apparatus according to claim 1 wherein: two the inboard of breast board (1) is all fixed and is provided with the slide, every two outsides of sieve (2) are all fixed and are provided with the slide rail that uses with the slide cooperation, the end of sieve (2) is fixed with breast board (1) through activity bolt through the terminal fixed slide rail of draw-in groove of slide, front end.
3. A granular scale automatic screening apparatus according to claim 1 wherein: and a damping rubber ring (7) is arranged between each sieve (2) and the vibration device (5).
4. A granular scale automatic screening apparatus according to claim 1 wherein: the sieve (2) is provided with three sieves which are a first sieve (2-1), a second sieve (2-2) and a third sieve (2-3) in sequence according to the sequence that the sieve pores are reduced from large to small.
5. A method for automatically classifying particles according to claim 4, wherein: the method comprises the following steps:
firstly, initial weight: an electronic scale (3) weighs the initial weight t without the sieve (2) and the supporting plate (4) installed0And transmits to the electronic processing system (6) for recording;
net weight of the sieve and the supporting plate: according to the size of the screened materialThe sieve (2) with different selection sieve pores is sequentially provided with a first sieve (2-1), a second sieve (2-2), a third sieve (2-3) and a supporting plate (4) from top to bottom and is fixed with the breast board (1), and meanwhile, the electronic scale (3) sequentially weighs the weight t1、t2、t3、t4The net weight of the first sieve (2-1), the second sieve (2-2), the third sieve (2-3) and the supporting plate (4) is respectively y by transmitting the net weight to an electronic processing system (6) for recording and calculating1＝t1-t0、y2＝t2-t1、y3＝t3-t2、y4＝t4-t3；
③ weight of materials: sequentially and respectively opening the vibration devices (5) connected with the first sieve (2-1), the second sieve (2-2) and the third sieve (2-3) to split materials, and after the sieving is finished, firstly weighing the total weight T by the electronic scale (3)0And transmits to the electronic processing system (6) for recording; then the first sieve (2-1), the second sieve (2-2), the third sieve (2-3) and the supporting plate (4) which comprise materials are taken out in sequence, and meanwhile, the electronic scale (3) weighs the weight T in sequence1、T2、T3、T4Then the net weight of the materials on the first sieve (2-1), the materials on the second sieve (2-2), the materials on the third sieve (2-3) and the materials on the supporting plate (4) are respectively S1＝T1-T0-y1、S2＝T2-T1-y2、S3＝T3-T2-y3、S4＝T4-T3-y4；
Fourthly, the percentage of materials in each grade: the percentages of materials of each size fraction of the first sieve (2-1), the second sieve (2-2), the third sieve (2-3) and the supporting plate (4) are respectively as follows:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010524858.3A CN111790594A (en) | 2020-06-10 | 2020-06-10 | Automatic grain-size screening device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010524858.3A CN111790594A (en) | 2020-06-10 | 2020-06-10 | Automatic grain-size screening device and method |
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| CN111790594A true CN111790594A (en) | 2020-10-20 |
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| CN202010524858.3A Pending CN111790594A (en) | 2020-06-10 | 2020-06-10 | Automatic grain-size screening device and method |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0907987D0 (en) * | 2009-05-08 | 2009-06-24 | Endecotts Ltd | Apparatus and method for particle size analysis |
| CN201404909Y (en) * | 2009-05-06 | 2010-02-17 | 徐州市赫尔斯采制样设备有限公司 | Double-shaft vibration exciter type multistage oscillating screen |
| CN202298413U (en) * | 2011-09-21 | 2012-07-04 | 黄先琪 | Automatic detection and control system of asphalt mixture |
| CN103480579A (en) * | 2013-10-10 | 2014-01-01 | 鞍钢集团矿业公司 | Screening and weighing device and screening and weighing method for granular rock particle size distribution |
| CN103861800A (en) * | 2013-12-23 | 2014-06-18 | 中国科学院东北地理与农业生态研究所 | Soil sample screening device |
| CN104226596A (en) * | 2013-06-24 | 2014-12-24 | 上海合华电子科技有限公司 | Material sorter |
| CN204380957U (en) * | 2014-12-03 | 2015-06-10 | 长安大学 | Mineral Aggregate sieve and Mineral Aggregate screening plant |
| CN205128390U (en) * | 2015-11-05 | 2016-04-06 | 长安大学 | It is experimental with stirring formula screening machine that gathers materials |
-
2020
- 2020-06-10 CN CN202010524858.3A patent/CN111790594A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201404909Y (en) * | 2009-05-06 | 2010-02-17 | 徐州市赫尔斯采制样设备有限公司 | Double-shaft vibration exciter type multistage oscillating screen |
| GB0907987D0 (en) * | 2009-05-08 | 2009-06-24 | Endecotts Ltd | Apparatus and method for particle size analysis |
| CN202298413U (en) * | 2011-09-21 | 2012-07-04 | 黄先琪 | Automatic detection and control system of asphalt mixture |
| CN104226596A (en) * | 2013-06-24 | 2014-12-24 | 上海合华电子科技有限公司 | Material sorter |
| CN103480579A (en) * | 2013-10-10 | 2014-01-01 | 鞍钢集团矿业公司 | Screening and weighing device and screening and weighing method for granular rock particle size distribution |
| CN103861800A (en) * | 2013-12-23 | 2014-06-18 | 中国科学院东北地理与农业生态研究所 | Soil sample screening device |
| CN204380957U (en) * | 2014-12-03 | 2015-06-10 | 长安大学 | Mineral Aggregate sieve and Mineral Aggregate screening plant |
| CN205128390U (en) * | 2015-11-05 | 2016-04-06 | 长安大学 | It is experimental with stirring formula screening machine that gathers materials |
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Application publication date: 20201020 |