CN108160449A - Suitable for improving the coal picker of coal separation efficiency, high degree of automation - Google Patents

Suitable for improving the coal picker of coal separation efficiency, high degree of automation Download PDF

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Publication number
CN108160449A
CN108160449A CN201711415655.5A CN201711415655A CN108160449A CN 108160449 A CN108160449 A CN 108160449A CN 201711415655 A CN201711415655 A CN 201711415655A CN 108160449 A CN108160449 A CN 108160449A
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CN
China
Prior art keywords
coal
frame
slideway
cleaned
cleaned coal
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Granted
Application number
CN201711415655.5A
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Chinese (zh)
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CN108160449B (en
Inventor
不公告发明人
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Shanxi Tuyue Coal Preparation Engineering Technology Co.,Ltd.
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吴小再
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/34Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens

Abstract

Invention describes a kind of suitable for improving the coal picker of coal separation efficiency, high degree of automation, for screening cleaned coal from raw coal, it is characterized in that:Including pedestal, fastening bolt, adjust height devices, cleaned coal slideway, vibrating screen, vibrating motor, mounting bracket, arresting device and coal discharging apparatuses;The coal picker can effectively increase the residence time of raw coal on the vibrating using arresting device, and full screening differentiation is carried out to raw coal, so as to reduce coal separation cost, improve coal separation efficiency, reduce worker's labour burden.

Description

Suitable for improving the coal picker of coal separation efficiency, high degree of automation
Technical field
It is particularly a kind of to be suitable for improving coal separation efficiency, high degree of automation the present invention relates to technical field of coal mine equipment Coal picker.
Background technology
Coal separation is also referred to as coal washing, and the process for the cleaned coal for meeting user quality requirement is sub-elected from raw coal.Coal for coking is to ash Divide, sulphur content there are certain requirements, it is necessary to use the cleaned coal used Jing Guo washing.The lithofacies composition of coal and the number of minerals in coal Amount, type, property and distribution are all the factors for the washability for influencing coal.For the complexity of raw coal washability, coal separation The common technique of factory has jigging, dense medium cyclone, dense-medium shallow-tank, vibro-assisted jigging, flotation etc..Other coal preparation methods also have selection by winnowing, Spiral separating etc..
However, existing coal picker, in coal separation, since raw coal directly slides from vibrating screen, the residence time is short, can not Screening is fully selected to it, may pass through multipass screening with a collection of raw coal in this way could thoroughly distinguish, so as to cause coal separation work Skill process cost is high, efficiency is low, increases the problem of worker's labour burden.
Invention content
The technical problems to be solved by the invention are to provide a kind of coal picker, can effectively increase raw coal on the vibrating Residence time carries out full screening differentiation to raw coal, so as to reduce coal separation cost, improves coal separation efficiency, reduces worker's labour Burden.
In order to realize the purpose for solving above-mentioned technical problem, present invention employs following technical solutions:
A kind of coal picker, for screening cleaned coal from raw coal, it is characterized in that:Including pedestal, fastening bolt, adjust height devices, Cleaned coal slideway, vibrating screen, vibrating motor, mounting bracket, arresting device and coal discharging apparatuses;
The pedestal is equipped with bolt hole, and fastening bolt passes through bolt hole to fasten pedestal on the ground;
The adjusting height devices are two hydraulic cylinders, and two hydraulic cylinders are vertically set on one end of pedestal;
Described cleaned coal slideway one end connects the piston rod of two hydraulic cylinders, and the other end is hinged with pedestal, and hydraulic cylinder can pass through work The gradient of the telescopic adjustment cleaned coal slideway of stopper rod;
The vibrating screen is arranged on above cleaned coal slideway, and is connect with cleaned coal slideway by spring;
The vibrating motor is arranged on cleaned coal slideway side by mounting bracket, and vibrating motor is connect with vibrating screen, shakes for driving Dynamic sieve vibration;
The arresting device includes frame, along shelves, crosspiece, positioning sheath, electric pushrod and connecting plate;It is mutually perpendicular to along shelves and crosspiece Be arranged in frame, frame is divided into multiple Zhi Mei areas;It is fixedly connected along shelves with frame, crosspiece passes through frame facet and energy It is enough to be extracted out from frame;Positioning sheath is arranged on the outside of frame to be inserted into after passing through positioning sheath in frame with crosspiece joint, crosspiece;Setting It is to make crosspiece when being extracted out from frame with electric pushrod to position sheath, will not shake or come off;Connecting plate is located at outside frame Side protrudes frame part with each crosspiece and connect;Electric pushrod is vertically set on frame lateral surface, and piston rod is fixed with connecting plate Connection;Electric pushrod can drive connecting plate to move by piston rod, so as to which crosspiece be driven to extract out or be inserted into from frame facet;Electricity The stroke of dynamic push rod is equal with the width of frame;Arresting device is arranged on above vibrating screen, is fixed by frame and vibrating screen Connection;
The coal discharging apparatuses include cleaned coal comb and raw coal comb, and raw coal comb is arranged on cleaned coal comb top along vibrating screen direction End, for discharging the blocky raw coal on vibrating screen;Cleaned coal comb is fixedly connected with cleaned coal slideway, and below vibrating screen, is used In from the side of coal picker discharge cleaned coal slideway on cleaned coal.
Specifically:Electric pushrod available hydraulic cylinder or cylinder in the arresting device substitute.
Application method:In use, first cleaned coal slideway is adjusted to suitable slope using height devices are adjusted according to raw coal ingredient Degree is discharged under the premise of making the gradient that can accommodate raw coal more as possible in the stagnant area for making arresting device convenient for the downslide of cleaned coal, Specifically, if the cleaned coal in raw coal ingredient is more, the gradient for making cleaned coal slideway is larger, if the cleaned coal in raw coal ingredient is less, The gradient for then making cleaned coal slideway is smaller, this is because cleaned coal slope of ways is big, then cleaned coal gliding speed is fast, convenient for the row of cleaned coal Go out, the gradient of cleaned coal slideway is small, then more raw coal can be accommodated in the stagnant area of arresting device;Mix up the gradient of cleaned coal slideway Afterwards, raw coal is trickled down in the arresting device of the coal picker using transmission device, Vibration on Start-up motor drives vibrating screen to shake at this time Dynamic, then the cleaned coal in raw coal can leak through vibrating screen and fall on cleaned coal slideway, while be snapped down to the least significant end of cleaned coal slideway, by cleaned coal Comb discharges the coal picker;After vibrating motor runs a period of time, start electric pushrod, then the piston rod of electric pushrod stretches out Crosspiece is driven to be extracted out from the side of arresting device, the raw coal block in raw coal is made to be slid along vibrating screen to the least significant end of vibrating screen, is fallen The coal picker is slid out to raw coal comb and along the guiding of raw coal comb, then shrinks the piston rod of electric pushrod and drives crosspiece Reduction, then carry out next wave raw coal screening;The coal picker upon actuation, need to only control the flexible frequency of stoking frequency and electric pushrod Rate can make the coal picker continue efficiently to work.
These technical solutions can also be combined with each other including improved technical solution and further improved technical solution Or combine, so as to reach superior technique effect.
By using above-mentioned technical proposal, the present invention has following advantageous effect:
1st, not only coal separation is efficient for a kind of coal picker of the invention, but also can be suitable for the raw coal of heterogeneity, the scope of application Extensively, with strong points, coal separation effect is good;
2nd, the coal picker is equipped with arresting device, and stagnant coal effect is strong, and raw coal can be made to carry out full screening differentiation on the vibrating;
3rd, the high degree of automation of the coal picker can make the coal separation by the stretching frequency for controlling stoking frequency and electric pushrod Machine continues efficiently to work, and conveniently adapts to the development of coal separation modernization, reduces the labour burden of worker.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the structure diagram of arresting device.
In figure:1- vibrating motors, 2- arresting devices, 3- vibrating screens, 4- springs, 5- cleaned coal slideways, 6- adjust height devices, 7- pedestals, 8- coal discharging apparatuses, 9- raw coal combs, 10- cleaned coal combs, 11- connecting plates, 12- crosspieces, 13- electric pushrods, 14- are fixed Position sheath, 15- is along shelves, 16- frames.
Specific embodiment
This patent is further explained with reference to the accompanying drawings and examples.But the protection domain of this patent is not limited to have The embodiment of body.
Embodiment 1
As shown in the figure, a kind of coal picker of this patent, for screening cleaned coal from raw coal, it is characterized in that:Including pedestal 7, fastening Bolt adjusts height devices 6, cleaned coal slideway 5, vibrating screen 3, vibrating motor 1, mounting bracket, arresting device 2 and coal discharging apparatuses 8.
Pedestal 7 is equipped with bolt hole, and fastening bolt fastens pedestal 7 on the ground across bolt hole;Adjust height Device 6 is two hydraulic cylinders, and two hydraulic cylinders are vertically set on one end of pedestal 7;5 one end of cleaned coal slideway connects two hydraulic cylinders Piston rod, the other end and pedestal 7 are hinged, and hydraulic cylinder can pass through the gradient of the telescopic adjustment cleaned coal slideway 5 of piston rod;Vibration Sieve 3 is arranged on 5 top of cleaned coal slideway, and is connect with cleaned coal slideway 5 by spring 4;Vibrating motor 1 is arranged on essence by mounting bracket 5 side of coal slideway, vibrating motor 1 are connect with vibrating screen 3, for vibrating screen 3 to be driven to vibrate.
Arresting device 2 includes frame 16, along shelves 15, crosspiece 12, electric pushrod 13 and connecting plate 11;Along shelves 15 and crosspiece 12 It is orthogonal to be arranged in frame 16, frame 16 is divided into multiple Zhi Mei areas;It is fixedly connected along shelves 15 with frame 16, crosspiece 12 pass through 16 side of frame and can be extracted out from frame 16;16 outside of frame of arresting device 2 is equipped with positioning with crosspiece joint Sheath 14, crosspiece are inserted into after passing through positioning sheath 14 in frame 16;Setting positioning sheath 14 be in order to make crosspiece with electric pushrod 13 from When being extracted out in frame 16, it will not shake or come off;Connecting plate 11 is located at 16 outside of frame, and 16 part of frame is protruded with each crosspiece 12 Connection;Electric pushrod 13 is vertically set on 16 lateral surface of frame, and piston rod is fixedly connected with connecting plate 11;13 energy of electric pushrod Enough connecting plate 11 is driven to move by piston rod, so as to which crosspiece 12 be driven to extract out or be inserted into from 16 side of frame;Electric pushrod 13 Stroke it is equal with the width of frame 16;Arresting device 2 is arranged on 3 top of vibrating screen, is fixed by frame 16 and vibrating screen 3 Connection.
Coal discharging apparatuses 8 include cleaned coal comb 10 and raw coal comb 9, and raw coal comb 9 is arranged on cleaned coal row along 3 direction of vibrating screen 10 top of pipe, for discharging the blocky raw coal on vibrating screen 3;Cleaned coal comb 10 is fixedly connected with cleaned coal slideway 5, and positioned at vibration 3 lower section of sieve, for discharging the cleaned coal on cleaned coal slideway 5 from the side of coal picker.
In use, first adjusting cleaned coal slideway 5 to the suitable gradient using height devices 6 are adjusted according to raw coal ingredient, make this The gradient is discharged under the premise of raw coal more as possible can be accommodated in the stagnant area for making arresting device 2 convenient for the downslide of cleaned coal, specifically, If the cleaned coal in raw coal ingredient is more, the gradient for making cleaned coal slideway 5 is larger, if the cleaned coal in raw coal ingredient is less, makes essence The gradient of coal slideway 5 is smaller, this is because 5 gradient of cleaned coal slideway is big, then cleaned coal gliding speed is fast, convenient for the discharge of cleaned coal, essence The gradient of coal slideway 5 is small, then more raw coal can be accommodated in the stagnant area of arresting device 2;After the gradient for mixing up cleaned coal slideway 5, Raw coal is trickled down in the arresting device 2 of the coal picker using transmission device, Vibration on Start-up motor 1 drives vibrating screen 3 to shake at this time Dynamic, then the cleaned coal in raw coal can leak through vibrating screen 3 and fall on cleaned coal slideway 5, while be snapped down to the least significant end of cleaned coal slideway 5, by Cleaned coal comb 10 discharges the coal picker;After vibrating motor 1 runs a period of time, start electric pushrod 13, then electric pushrod 13 Piston rod stretch out crosspiece 12 driven to be extracted out from the side of arresting device 2, raw coal block in raw coal is made to be slid along vibrating screen 3 to shaking The least significant end of dynamic sieve 3, drops down onto raw coal comb 9 and the guiding along raw coal comb 9 slides out the coal picker, then makes electric pushrod 13 Piston rod shrink drive crosspiece 12 restore, then carry out next wave raw coal screening;The coal picker upon actuation, only need to control stoking The stretching frequency of frequency and electric pushrod 13 can make the coal picker continue efficiently to work.
Embodiment 2
It is same as Example 1, wherein, the electric pushrod 13 in arresting device 2 replaces with hydraulic cylinder or cylinder.

Claims (2)

1. a kind of method of work of coal picker, for screening cleaned coal from raw coal, it is characterized in that:The coal picker includes bottom Seat, adjusts height devices, cleaned coal slideway, vibrating screen, vibrating motor, mounting bracket, arresting device and coal discharging apparatuses at fastening bolt;
The pedestal is equipped with bolt hole, and fastening bolt passes through bolt hole to fasten pedestal on the ground;
The adjusting height devices are two hydraulic cylinders, and two hydraulic cylinders are vertically set on one end of pedestal;
Described cleaned coal slideway one end connects the piston rod of two hydraulic cylinders, and the other end is hinged with pedestal, and hydraulic cylinder can pass through work The gradient of the telescopic adjustment cleaned coal slideway of stopper rod;
The vibrating screen is arranged on above cleaned coal slideway, and is connect with cleaned coal slideway by spring;
The vibrating motor is arranged on cleaned coal slideway side by mounting bracket, and vibrating motor is connect with vibrating screen, shakes for driving Dynamic sieve vibration;
The arresting device includes frame, along shelves, crosspiece, positioning sheath, electric pushrod and connecting plate;It is mutually perpendicular to along shelves and crosspiece Be arranged in frame, frame is divided into multiple Zhi Mei areas;It is fixedly connected along shelves with frame, crosspiece passes through frame facet and energy It is enough to be extracted out from frame;Positioning sheath is arranged on the outside of frame to be inserted into after passing through positioning sheath in frame with crosspiece joint, crosspiece;Connection Plate is located on the outside of frame, and protruding frame part with each crosspiece connect;Electric pushrod is vertically set on frame lateral surface, piston rod It is fixedly connected with connecting plate;
Electric pushrod drives connecting plate to move by piston rod, so as to which crosspiece be driven to extract out or be inserted into from frame facet;
The stroke of electric pushrod is equal with the width of frame;Arresting device is arranged on above vibrating screen, passes through frame and vibration Sieve is fixedly connected;
The coal discharging apparatuses include cleaned coal comb and raw coal comb, and raw coal comb is arranged on cleaned coal comb top along vibrating screen direction End, for discharging the blocky raw coal on vibrating screen;Cleaned coal comb is fixedly connected with cleaned coal slideway, and below vibrating screen, is used In from the side of coal picker discharge cleaned coal slideway on cleaned coal
The method of work, including:First cleaned coal slideway is adjusted to suitable slope using height devices are adjusted according to raw coal ingredient Degree;After the gradient for mixing up cleaned coal slideway, raw coal is trickled down in the arresting device of the coal picker using transmission device, is started at this time Vibrating motor drives shaker vibration, then the cleaned coal in raw coal can leak through vibrating screen and fall on cleaned coal slideway, while be snapped down to essence The least significant end of coal slideway discharges the coal picker by cleaned coal comb.
2. the method for work of coal picker according to claim 1, it is characterized in that:The electric pushrod stayed in device can It is substituted with hydraulic cylinder or cylinder.
CN201711415655.5A 2015-12-27 2015-12-27 Working method of coal separator Active CN108160449B (en)

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CN201711415655.5A CN108160449B (en) 2015-12-27 2015-12-27 Working method of coal separator
CN201510987499.4A CN105478346B (en) 2015-12-27 2015-12-27 A kind of coal picker

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CN201711415643.2A Active CN108160448B (en) 2015-12-27 2015-12-27 Coal separator with high automation degree and working method thereof
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CN106362944A (en) * 2016-12-05 2017-02-01 安徽睿知信信息科技有限公司 Mine multi-stage screening device

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Publication number Priority date Publication date Assignee Title
JP2002119918A (en) * 2000-10-18 2002-04-23 Nakayama Iron Works Ltd Supporting device for vibrating grid
CN101291748A (en) * 2005-10-20 2008-10-22 国民油井华高有限合伙公司 Method for facilitating shale shaker operation
CN201940355U (en) * 2011-02-11 2011-08-24 魏静 Driving wheel-roll grizzly capable of adjusting inclination angles of grizzly surfaces
CN202079026U (en) * 2011-05-19 2011-12-21 余冠霖 Double-layer screening equipment
CN204523212U (en) * 2015-03-09 2015-08-05 北京昊华能源股份有限公司 Flip flop screen and dense-medium shallow-tank separator are at the use in conjunction device of Coal Preparation Plant

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CN105478346A (en) 2016-04-13
CN105478346B (en) 2018-04-24
CN108160448A (en) 2018-06-15
CN108160449B (en) 2021-05-14
CN108160448B (en) 2020-12-22

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Effective date of registration: 20210419

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Address after: Room 2109, 21 / F, headquarters base, No.68, east section of Fudong street, Yangqu Park, Taiyuan City, Shanxi Province

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