CN107159433A - Separation system is concentrated in magnetic ore deposit dry separation screening - Google Patents
Separation system is concentrated in magnetic ore deposit dry separation screening Download PDFInfo
- Publication number
- CN107159433A CN107159433A CN201710457926.7A CN201710457926A CN107159433A CN 107159433 A CN107159433 A CN 107159433A CN 201710457926 A CN201710457926 A CN 201710457926A CN 107159433 A CN107159433 A CN 107159433A
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- Prior art keywords
- ore
- blind plate
- dry separation
- ore deposit
- group
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Separation system is concentrated the present invention relates to a kind of magnetic ore deposit dry separation screening, ore deposit movement sealing-tape machine I is given including crushing ore storage bin in one group, ore storage bin is crushed in one group, disintegrating machine is to disintegrating machine in ore deposit belt feeder II and one group in one group, it is characterized in that crushing ore discharge sealing-tape machine in being provided with one in the bottom of described middle disintegrating machine, being connected to ore deposit end for ore discharge sealing-tape machine and the mobile sealing-tape machine III of a band dump car is crushed in described, in the lower section of the mobile sealing-tape machine III with dump car provided with one group of dry separation screening joint pre-selection ore storage bin, fine ore dry separator is correspondingly arranged at the lower section of dry separation screening joint pre-selection ore storage bin, a dry separation grading oscillating screen is correspondingly provided with below every fine ore dry separator.It is an advantage of the invention that:System characteristics of compact layout, abandoned mine can be rejected to greatest extent before ore grinding, improved into mill grade, realize the energy-saving of ore dressing plant, reduce beneficiation cost.
Description
Technical field
The invention belongs to iron ore beneficiation technical field, separation system is concentrated in particularly a kind of magnetic ore deposit dry separation screening.
Background technology
Three section of one closed circuit conventional flow that mostly coarse crushing, middle fine crushing add screening operation is crushed in country's beneficiation flowsheet at present
Journey, i.e. coarse crushing product are crushed in entering, middle crushed product feeds sieving circuit, and the oversize after screening enters fine crushing, carefully
Crushed product feeds sieving circuit again, and its undersize enters mill and selected.It is energy-efficient in order to increase screening efficiency, broken and
Dry separation operation can be increased between screening, non magnetic ore is thrown into tail in advance, magnetic mineral goes successively to carry out screening work between screening
Circulated during industry, wherein oversize are returned between fine crushing, the lower mineral of sieve then enter downstream operation.With technique of preparing by
Year improves, and selects the scale of factory also to expand year by year, selects many with dry separation operation, such as dry separation work flow in the crushing and screening operation of factory
Mine-supplying quantity it is big, then must arrange many dry separation equipment.Its arrangement be only it is independent it is broken between, between dry separation and sieve
Between, this is accomplished by special belt feeder transport, so as to which concentrate between independent dry separation is fed between screening, add between dry separation with sieve
The construction cost of band conveyer corridor between point.In addition, in order that the product of screening ore storage bin can normally feed screening machine, in addition it is also necessary to
What arrangement was special before every screening plant gives ore deposit belt feeder, and this undoubtedly also increases the equipment cost of factory building between screening.
Traditional dry separation screening system is that coarse crushing carrys out during ore deposit is passed through to crush broken ore storage bin, warp during ore storage bin movement sealing-tape machine is fed
Crushed in crossing and be given to middle disintegrating machine respectively to ore deposit belt feeder and crushed, it is broken after product pass through in crush ore discharge belt feeder and give
To between independent dry separation, by batcher, fine ore dry separator is then fed respectively and carries out dry separation, non magnetic ore then enters useless
Transported outward by automobile in stone storehouse;Qualified dry separation concentrate is delivered to screening ore storage bin movement sealing-tape machine by fine ore dry separator concentrate belt and fed
Screening ore storage bin between independent screening, then screening under storehouse are given to screening machine respectively to ore deposit belt feeder, and undersize is through sieving
Lower belt feeder delivers to mill and selects factory building, oversize to carry out fine crushing between being then given to fine crushing.It can be seen that solely from traditional system
It is vertical it is broken between, it is not only complicated between dry separation and between screening, construction cost is high, and not manageability.
The content of the invention
It is an object of the invention to provide a kind of system characteristics of compact layout, abandoned mine can be rejected to greatest extent before ore grinding, improve into
Grade is ground, the energy-saving of ore dressing plant is realized, beneficiation cost is reduced, dust pollution is reduced, the wear-resistant effect of compass screen surface is high, uses
Separation system is concentrated in the magnetic ore deposit dry separation screening of long lifespan
The purpose of the present invention is realized by following technical proposals:
The present invention a kind of magnetic ore deposit dry separation screening concentrate separation system, including one group with dump car crush ore storage bin to ore deposit
Mobile sealing-tape machine I, is arranged on broken ore storage bin in one group that moves the lower section of sealing-tape machine I to ore deposit with broken ore storage bin in dump car,
Set and crush in one group below ore storage bin disintegrating machine in a group to ore deposit belt feeder II, set in a group disintegrating machine give barrow band
Disintegrating machine in one group of the bottom of machine II, it is characterised in that crush ore discharge adhesive tape in being provided with one in the bottom of described middle disintegrating machine
Machine, it is described in crush ore discharge sealing-tape machine and a band dump car dry separation screening combine pre-selection movement sealing-tape machine III to ore deposit
End is connected, and the lower section of the mobile sealing-tape machine III of joint pre-selection is sieved provided with one group of dry separation screening joint pre-selection ore storage bin, one in dry separation
Group fine ore dry separator is correspondingly arranged at the lower section of dry separation screening joint pre-selection ore storage bin, is set in the lower section correspondence of every fine ore dry separator
There is a dry separation grading oscillating screen, barren rock discharge chute, oversize row are equipped with below every dry separation grading oscillating screen
Expect chute and undersize discharge chute, exhaust end, the exhaust end of undersize discharge chute of described barren rock discharge chute
Non magnetic ore deposit sealing-tape machine, oversize sealing-tape machine and undersize adhesive tape are arranged at the exhaust end of undersize discharge chute
The top of machine.
Described dry separation grading oscillating screen include screen box, sieve plate, bearing, vibrator, shock-absorbing spring, transmission gear for electric motor and
Control device, it is characterised in that:Blind plate beam is provided with the upper middle position of screen box, track is provided with the both sides of blind plate beam, it is blind
Plate is arranged on the top of track by roller, and described blind plate is made up of the flexible blind plate of upper strata blind plate and lower floor, and described is upper
Layer blind plate is more than three layers of stepped blind plate, the flexible blind plate of described lower floor by being placed in the straight blind plate of upper strata blind plate bottom, if
Put in straight blind plate afterbody, the adjustable spring and rotating handles flexible for the straight blind plate of control is constituted.
Described upper strata blind plate is four to five layers.
Each layer of described upper strata blind plate is 200mm-250mm, and size is 5000mm × 5487mm,
20 ° -22 ° of mounted angle.
It is an advantage of the invention that:
1st, dry separation operation is combined with screening operation, by magnetic ore deposit dry separation screening joint pre-selection, is substituted and sieved using dry-dressing machine
Between in arrange special to ore deposit belt feeder before every screening plant, save the equipment cost of factory building between screening;
2nd, because the concentrate after dry separation directly feeds dry separation grading oscillating screen, its dry separation grading oscillating screen is set on the top of screen box
Blind plate, non magnetic ore can be directly entered non magnetic ore collecting bin by blind plate, reduce sieve plate (for non magnetic ore deposit
The unnecessary load in this part of thing) screening amount;Due also to blind plate is stepped arrangement, non magnetic ore can form heap on blind plate
Product, forms the form of " material dnockout " during sorting, so as to improve the abrasion resistance of compass screen surface, extends the use of sieve
Life-span;
3. avoid by dry separation concentrate be pooled to screening give ore deposit belt feeder this link, also just reduce belt motor this
Electrical equipment, reduces energy consumption, improves production capacity, reduces factory building height, reduces investment of founding the factory, meanwhile, utilize vibratory sieve
Vibrating transportation, reduce the gravity flow gradient of funnel, this can bring treating capacity to increase, improve production capacity, reduce throwing of founding the factory
Money;
4th, characteristics of compact layout, by centralized arrangement between former independent dry separation and between screening, simplifies arrangement, saves independent dry separation
Between factory building construction cost and dry separation between screening between band conveyer corridor cost of transportation, shorten work flow, reach
Once arrange effect of many places income;
5th, reject abandoned mine to greatest extent before ore grinding, improve into mill grade, realize the energy-saving of ore dressing plant, reduction ore dressing into
This;
6th, dust pollution, concentrated dust-removing are reduced;
7th, compass screen surface utilization rate is higher, increases the disposal ability of screening plant.
Brief description of the drawings
Fig. 1 is that the equipment image contact figure for concentrating separation system is sieved in magnetic ore deposit dry separation of the present invention.
Fig. 2 is that separation system layout drawing is concentrated in magnetic ore deposit dry separation screening.
Fig. 3 is the structural representation of the dry separation grading oscillating screen of the present invention.
Fig. 4 is Fig. 3 top view.
Embodiment
The embodiment of the present invention is further illustrated below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, separation system, including one group of band discharging are concentrated in a kind of magnetic ore deposit dry separation of the invention screening
Ore storage bin is crushed in dolly and moves sealing-tape machine I 1 to ore deposit, is arranged on and moves sealing-tape machine I 1 to ore deposit with broken ore storage bin in dump car
Ore storage bin 2 is crushed in one group of lower section, disintegrating machine is set in one group that crushes the lower section of ore storage bin 2 in a group to ore deposit belt feeder II 3, if
Put in a group disintegrating machine to disintegrating machine 4 in one group of the bottom of ore deposit belt feeder II 3, it is characterised in that in described middle disintegrating machine 4
Bottom be provided with one and crush ore discharge sealing-tape machine 5, it is described in crush the dry separation of ore discharge sealing-tape machine 5 and a band dump car
Being connected to ore deposit end for the screening joint mobile sealing-tape machine III 6 of pre-selection, the lower section of the mobile sealing-tape machine III 6 of joint pre-selection is sieved in dry separation
Provided with one group of dry separation screening joint pre-selection ore storage bin 7, one group of fine ore dry separator 8 is correspondingly arranged at dry separation screening joint pre-selection ore storage bin 7
Lower section, the lower section of every fine ore dry separator 8 is correspondingly arranged a dry separation grading oscillating screen 9, every dry separation grading oscillating screen 9
Lower section is equipped with barren rock discharge chute 13, undersize discharge chute 15 and oversize discharge chute 14, described barren rock row
Exhaust end, the exhaust end of undersize discharge chute 15 and the exhaust end of oversize discharge groove 14 of material chute 13 are arranged at
The top of non magnetic ore deposit sealing-tape machine 10, oversize sealing-tape machine 12 and undersize sealing-tape machine 11.The present invention is by magnetic ore deposit dry separation
Screening joint pre-selection, i.e., the product of fine ore dry separator 8 directly feeds dry separation grading oscillating screen 9, and dry separation grading oscillating screen 9 selects three
Plant product, barren rock(Non magnetic ore)The designated lane constructed by blind plate in dry separation grading oscillating screen is by barren rock discharge chute
13 discharges, then feed refuse bin, oversize is fed by oversize discharge chute 14 by non magnetic ore deposit sealing-tape machine 10
Type fine disintegrating machine, undersize feeds undersize sealing-tape machine 11 by undersize discharge chute 15, by undersize adhesive tape
Machine 11 is transported to mill and selects factory building, has been effectively saved the equipment cost of factory building between screening.
As shown in Figure 3 and Figure 4, dry separation grading oscillating screen 9 of the present invention, including screen box 9-1,
Sieve plate 9-6, bearing 9-2, vibrator 9-5, shock-absorbing spring 9-3, transmission gear for electric motor 9-4 and control device, its feature exist
In:Blind plate beam 9-13 is provided with screen box 9-1 upper middle position, track 9-9 is provided with blind plate beam 9-13 both sides, blind plate leads to
The top that roller 9-8 is arranged on track 9-9 is crossed, described blind plate is by the flexible blind plate 9-11 institutes group of upper strata blind plate 9-10 and lower floor
Into described upper strata blind plate 9-10 is more than three layers of stepped blind plate, can also be four to five layers, upper strata blind plate 9-10's is every
One layer is 200mm-250mm, and size is 5000mm × 5487mm, 20 ° -22 ° of mounted angle;The flexible blind plate 9-11 of described lower floor
By being placed in the straight blind plate of upper strata blind plate 9-10 bottoms, straight blind plate afterbody is arranged on, the flexible bullet flexible for the straight blind plate of control
Spring 9-7 and rotating handles 9-12 are constituted.Controllable extensible spring by rotating handles 12 can be controlled according to the speed to ore deposit belt feeder
To adjust the collapsing length of lower floor's blind plate, so as to realize control sorting supplied materials.
Because non magnetic mineral aggregate does not possess magnetic action during work, therefore come out, pass through in the throwing of fine ore dry separator front end
Funnel is fallen on above blind plate, and because blind plate upper strata is stepped arrangement, non magnetic ore is formed during sorting " expects to beat
The form of material ", so as to realize wear-resistant effect, while being directly entered non magnetic ore collecting bin by blind plate, reduces sieve
The screening amount of plate.
Three kinds of products can be produced using the dry separation grading oscillating screen of the present invention, i.e.,:Non magnetic mineral aggregate;Oversize and sieve
Lower product.Reject abandoned mine to greatest extent before ore grinding, improve into mill grade, realize the energy-saving of ore dressing plant, reduction ore dressing into
This.
Claims (4)
1. separation system is concentrated in a kind of magnetic ore deposit dry separation screening, including one group is given ore deposit movement glue with ore storage bin is crushed in dump car
Band machine I, is arranged on ore storage bin is crushed in dump car to ore storage bin is crushed in one group of the lower section of ore deposit movement sealing-tape machine I, is arranged on
Disintegrating machine is crushed in one group below ore storage bin in one group to ore deposit belt feeder II, set in a group disintegrating machine under ore deposit belt feeder II
Disintegrating machine in one group of portion, it is characterised in that crush ore discharge sealing-tape machine, institute in being provided with one in the bottom of described middle disintegrating machine
Crushed in stating ore discharge sealing-tape machine and a band dump car dry separation screening combine preselect move sealing-tape machine III give ore deposit end phase
Connection, the lower section of the mobile sealing-tape machine III of joint pre-selection is sieved provided with one group of dry separation screening joint pre-selection ore storage bin, one group of powder in dry separation
Ore deposit dry-dressing machine is correspondingly arranged at below the lower section of dry separation screening joint pre-selection ore storage bin, every fine ore dry separator and is correspondingly provided with one
Dry separation grading oscillating screen, is equipped with barren rock discharge chute, undersize discharge chute below every dry separation grading oscillating screen
With undersize discharge chute, under the exhaust end of described barren rock discharge chute, the exhaust end and sieve of undersize discharge chute
The exhaust end of product discharge chute is arranged at the upper of non magnetic ore deposit sealing-tape machine, oversize sealing-tape machine and undersize sealing-tape machine
Side.
2. separation system is concentrated in magnetic ore deposit dry separation screening according to claim 1, it is characterised in that described dry separation classification
Vibratory sieve includes screen box, sieve plate, bearing, vibrator, shock-absorbing spring, transmission gear for electric motor and control device, it is characterised in that:
The upper middle position of screen box is provided with blind plate beam, and track is provided with the both sides of blind plate beam, and blind plate is arranged on track by roller
Top, described blind plate is made up of the flexible blind plate of upper strata blind plate and lower floor, and described upper strata blind plate is more than three layers of ladder
Blind plate stretches by being placed in the straight blind plate of upper strata blind plate bottom in shape blind plate, described lower floor, straight blind plate afterbody is arranged on, for controlling
The flexible adjustable spring of straight blind plate and rotating handles constituted.
3. separation system is concentrated in magnetic ore deposit dry separation screening according to claim 2, it is characterised in that described upper strata blind plate
For four to five layers.
4. separation system is concentrated in the magnetic ore deposit dry separation screening according to claim 3, it is characterised in that described upper strata is blind
Each layer of plate is 200mm-250mm, and size is 5000mm × 5487mm, 20 ° -22 ° of mounted angle.
Priority Applications (1)
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CN201710457926.7A CN107159433B (en) | 2017-06-16 | 2017-06-16 | Separation system is concentrated in magnetic mine dry separation screening |
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CN201710457926.7A CN107159433B (en) | 2017-06-16 | 2017-06-16 | Separation system is concentrated in magnetic mine dry separation screening |
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CN107159433B CN107159433B (en) | 2019-05-31 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108820940A (en) * | 2018-08-13 | 2018-11-16 | 河南省振源科技有限公司 | Building formula intelligent environment protection crushing and screening loading system |
CN109847932A (en) * | 2019-02-21 | 2019-06-07 | 中冶北方(大连)工程技术有限公司 | Mine system is unloaded in a kind of magnetic dressing of magnetic iron ore ore pocket |
CN112627823A (en) * | 2020-12-08 | 2021-04-09 | 崇义章源钨业股份有限公司 | Mine underground raw ore pre-throwing waste system and mine mining system |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108820940A (en) * | 2018-08-13 | 2018-11-16 | 河南省振源科技有限公司 | Building formula intelligent environment protection crushing and screening loading system |
CN108820940B (en) * | 2018-08-13 | 2024-02-02 | 河南省振源科技有限公司 | Building type intelligent environment-friendly crushing, screening and loading system |
CN109847932A (en) * | 2019-02-21 | 2019-06-07 | 中冶北方(大连)工程技术有限公司 | Mine system is unloaded in a kind of magnetic dressing of magnetic iron ore ore pocket |
CN109847932B (en) * | 2019-02-21 | 2024-02-06 | 中冶北方(大连)工程技术有限公司 | Magnetic mineral separation ore unloading system of magnetite ore storage bin |
CN112627823A (en) * | 2020-12-08 | 2021-04-09 | 崇义章源钨业股份有限公司 | Mine underground raw ore pre-throwing waste system and mine mining system |
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