CN204841941U - Bed is selected separately in desulfurization - Google Patents
Bed is selected separately in desulfurization Download PDFInfo
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- CN204841941U CN204841941U CN201520514842.9U CN201520514842U CN204841941U CN 204841941 U CN204841941 U CN 204841941U CN 201520514842 U CN201520514842 U CN 201520514842U CN 204841941 U CN204841941 U CN 204841941U
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- selective crushing
- crushing rotary
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Abstract
The utility model provides a bed is selected separately in desulfurization is at least including vertical sealed box, and the top of this vertical sealed box is equipped with the feed inlet, and internal of vertical seal box is equipped with one -level selective crushing drum sieve, second grade selective crushing drum sieve, tertiary selective crushing drum sieve, the pan feeding mouth of one -level selective crushing drum sieve lies in the feed inlet under, and the oversize discharge gate of selective crushing drum sieve passes through U type guide slot with the pan feeding mouth of next stage selective crushing drum sieve to be connected, and the oversize discharge gate that the oversize discharge gate of tertiary selective crushing drum sieve and vertical sealed box bottom were equipped with passes through U type guide slot and is connected, be equipped with electric magnet drum under the selective crushing drum sieve respectively, the below in this electricity magnet drum dead ahead is equipped with thin material surge drum and iron content impurity surge drum, through tertiary strong magnetic treatment, forms final cleaning coal product, and what this section technology adopted is magnetic separation, size sorting principle, average desulfurization degree 15%.
Description
Technical field
The utility model belongs to mechanical coal preparation technology field, is specifically related to a kind of desulfurization sorting bed.
Background technology
Coal is as China's main energy sources, and its burning utilizes the contradiction between environmental pollution, more and more by governments at all levels and the numerous common people are paid close attention to.Carry out clean coal technology, By Reasonable Utilizing Its Coal Resources, improve coal quantity, decreasing pollution discharges, and has become the matter of utmost importance of each coal industry enterprise's existence and development.In order to improve coal quantity and adequately and reasonably utilize, be developed screening installation (system) and the method for various raw coal.
Coal washing is one of application of clean coal technology, and this technology is, by sorting, raw coal is separated into cleaned coal and spoil, improves coal purity, desulfurization and deashing, and decreasing pollution discharges, and increases attached value.
At present, mainly wet split and dry separation, and wet split due to its demand for water resource and waste larger, in addition the recovery of wet method dense medium sorting process is undesirable causes not environmentally, the easy argillization of part coal, invest high, that operating cost is high, the construction period is long shortcoming, gradually by dry coal preparation equipment (system) and method replace,---also known as High Effective Dry Coal Beneficiation.Because dry coal preparation is without the need to water, there is not the contaminated environment of repetition, and production cost has larger reduction, High Effective Dry Coal Beneficiation becomes the main development direction of current raw coal separation gradually, is put into state key emerging strategic industries guidance list.
But current dry coal preparation technology generally only selects the separator of single-stage, and (the horizontal separator of combined type dry method, dense medium fluidized bed separator, differential type dry separation bed) carries out sorting, exist sharpness of separation low, yield poorly and higher defect required to coal, and, all there is coal between cleaned coal and spoil and (account for 35% of whole discharge rate in combined type, differential type, and can not as production marketing under most of situation), greatly reduce ratio defective product, improve the cost of repetition sorting, constrain the development of dry separation technology.
Utility model content
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model is the desulfurization sorting bed providing a kind of high magnetic separation.
In order to achieve the above object, the technical scheme that the utility model is taked is: a kind of desulfurization sorting bed, at least comprise a vertical sealed casing, the top of this vertical sealed casing is provided with charging aperture, vertical sealed box house is provided with one-level selective crushing rotary screen according to left and right time intersection from top to bottom, Second Order Selectivity crushing roller sieves, three grades of selective crushing rotary screens, the feeding mouth of described one-level selective crushing rotary screen is positioned at immediately below charging aperture, the feeding mouth that the oversize discharging opening of described one-level selective crushing rotary screen and Second Order Selectivity crushing roller sieve, the discharging opening oversize of described Second Order Selectivity crushing roller sieve is connected respectively by guide plate with the feeding mouth of three grades of selective crushing rotary screens, the oversize discharging opening that oversize discharging opening and the vertical sealed bottom half of three grades of described selective crushing rotary screens are provided with is connected by U-shaped guide groove,
Described one-level selective crushing rotary screen, Second Order Selectivity crushing roller sieves, electromagnetic cylinder is respectively equipped with immediately below the screenings discharging opening of three grades of selective crushing rotary screens, the below in this electromagnetic cylinder dead ahead is provided with fine material surge drum, the rear of this fine material surge drum is provided with ferrous contaminants surge drum, the fine material outlet derivation that fine material in described fine material surge drum is provided with by being located at vertical sealed box body wall, described one-level selective crushing rotary screen, Second Order Selectivity crushing roller sieves, three grades of selective crushing rotary screens and electromagnetic cylinder are driven by the motor reducer be provided with outside vertical sealed casing and rotate.
Be provided with the output screw outputted to by ferrous contaminants outside vertical sealed casing in described ferrous contaminants surge drum, this output screw is connected by the motor be located at outside vertical sealed casing.
Described one-level selective crushing rotary screen, Second Order Selectivity crushing roller sieve, three grades of selective crushing rotary screens are same selective crushing rotary screen, and this selective crushing rotary screen at least comprises a driving shaft and cylindrical screen cage; Described cylindrical screen cage is by two end face steel rings, be evenly connected to two end face steel rings circumferentially, and form with multiple micro-broken roller of centerline parallel between two end face steel rings and the mesh screen be wrapped on micro-broken roller, described driving shaft is passed cylindrical screen cage end face and is fixedly connected with by the connection muscle that cylindrical screen cage end face is provided with, and the longitudinal center line of this driving shaft and cylindrical screen cage is located on the same line, described mesh screen is fixed on micro-broken roller, and described driving shaft is connected with the turning cylinder of the motor reducer be provided with outside vertical sealed casing.
Described Second Order Selectivity crushing roller sieve and the feeding mouth of three grades of selective crushing rotary screens are respectively equipped with leak preventing, this leak preventing other end is fixed on the vertical sealed casing volume inwall of close Second Order Selectivity crushing roller sieve and three grades of selective crushing rotary screens, and form with U-shaped guide groove the V-type groove that interface is " V " word, and the feeding mouth of Second Order Selectivity crushing roller sieve or three grades of selective crushing rotary screens is positioned at the bottommost of V-type groove.
Baffle plate is provided with between described fine material surge drum and ferrous contaminants surge drum.
The utility model adopts above technical scheme, has the following advantages: magnetic separation is only effective to fine particle.The utility model is that magnetic separation provides the material environment be applicable to the most, makes high magnetic separation function be able to abundant realization.
Accompanying drawing explanation
Fig. 1: desulfurization sorting bed structural representation of the present utility model;
Fig. 2: selective crushing rotary screen structural representation of the present utility model.
In figure: 1. vertical sealed casing; 2; Charging aperture; 3. one-level selective crushing rotary screen; 4. Second Order Selectivity crushing roller sieve; 5. three grades of selective crushing rotary screens; 6. guide plate; 7. oversize discharging opening; 8. electromagnetic cylinder; 9. fine material surge drum; 10. ferrous contaminants surge drum; 11. output screws; 12. driving shafts; 13. cylindrical screen cages; 14. mesh screens; 15. micro-broken rollers; 16. leak preventings; 17. baffle plates.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in detail.
Embodiment 1
As shown in Figure 1, at least comprise a vertical sealed casing 1, the top of this vertical sealed casing 1 is provided with charging aperture 2, vertical sealed casing 1 inside is provided with one-level selective crushing rotary screen 3 according to left and right time intersection from top to bottom, Second Order Selectivity crushing roller sieve 4, three grades of selective crushing rotary screens 5, the feeding mouth of described one-level selective crushing rotary screen 3 is positioned at immediately below charging aperture 2, the oversize discharging opening of described one-level selective crushing rotary screen 3 and Second Order Selectivity crushing roller sieve the feeding mouth of 4, the described Second Order Selectivity crushing roller sieve discharging opening oversize of 4 is connected respectively by guide plate 6 with the feeding mouth of three grades of selective crushing rotary screens 5, the oversize discharging opening of three grades of described selective crushing rotary screens 5 is connected by U-shaped guide groove 6 with the oversize discharging opening 7 be provided with bottom vertical sealed casing 1,
Described one-level selective crushing rotary screen 3, Second Order Selectivity crushing roller sieve 4, electromagnetic cylinder 8 is respectively equipped with immediately below the screenings discharging opening of three grades of selective crushing rotary screens 5, the below in this electromagnetic cylinder 8 dead ahead is provided with fine material surge drum 9, the rear of this fine material surge drum 9 is provided with ferrous contaminants surge drum 10, the fine material outlet derivation that fine material in described fine material surge drum 9 is provided with by being located at vertical sealed casing 1 wall, described one-level selective crushing rotary screen 3, Second Order Selectivity crushing roller sieve 4, three grades of selective crushing rotary screens 5 and electromagnetic cylinder 8 are driven by the motor reducer be provided with outside vertical sealed casing 1 and rotate.
In the process of work, cleaned coal after dedust enters into desulfurization sorting bed, cleaned coal is provided with charging aperture 2 and enters into one-level selective crushing rotary screen 3 and carry out primary screening from the top of vertical sealed casing 1, sieve through row filter through one-level selective crushing cylinder 1, screenings drops on electromagnetic cylinder 8, iron impurity is carried out to the cleaned coal containing iron tramp after screening, because electromagnetic cylinder 8 is also magnetic, iron tramp is adsorbed onto electromagnetic cylinder 8 on the surface, electromagnetic cylinder 8 is in the process of rotating, the cleaned coal of ferrous contaminants is not under the rotation of electromagnetic cylinder 8, tangent line along electromagnetic cylinder 8 flies out, drop in the fine material surge drum 9 of electromagnetic cylinder 8 lower front end, and derive vertical sealed casing 1, the coal of ferrous contaminants is because being adsorbed on electromagnetic cylinder 8, that can continue rotates along with electromagnetic cylinder 8, when this ferrous contaminants arrives the back side of electromagnetic cylinder 8, fall under gravity in the ferrous contaminants surge drum 10 dropping into lower end, electromagnetic cylinder 8 rear, oversize after one-level selective crushing trommelling 3 imports to Second Order Selectivity crushing roller sieve 4 by U-shaped guide groove 6 and continues screening, screening is carried out and simultaneously iron impurity according to the brush choosing method of one-level selective crushing trommelling 3, the like the oversize after three grades of selective crushing rotary screens 5 enter into oversize discharging opening 7 and discharge, by three grades of strong magnetic treatments, form final cleaning product of coal, what this segment process adopted is magnetic separation, size sorting principle, average desulfurization degree 15%.
Embodiment 2
On the basis of embodiment 1, in order to the coal of the ferrous contaminants in ferrous contaminants surge drum 10 can transfer out vertical sealed casing 1 smoothly, therefore the output screw 11 outputted to by ferrous contaminants outside vertical sealed casing 1 is provided with in described ferrous contaminants surge drum 10, this output screw 11 is connected by the motor be located at outside vertical sealed casing 1, the output screw that output screw 11 in the present embodiment is commonly used for the art, mainly to the transport of block, just not detailed being described here.
Embodiment 3
On the basis of embodiment 1, one-level selective crushing rotary screen 3, Second Order Selectivity crushing roller sieve 4, three grades of selective crushing rotary screens 5 are same selective crushing rotary screen as shown in Figure 2, and this selective crushing rotary screen at least comprises a driving shaft 12 and cylindrical screen cage 13, described cylindrical screen cage 13 is by two end face steel rings, evenly be connected to two end face steel rings circumferentially, and form with the multiple micro-broken roller 15 of centerline parallel between two end face steel rings and the mesh screen 14 be wrapped on micro-broken roller 15, described driving shaft 12 is passed cylindrical screen cage 13 end face and is fixedly connected with by the connection muscle that cylindrical screen cage 13 end face is provided with, and this driving shaft 12 is located on the same line with the longitudinal center line of cylindrical screen cage 13, described mesh screen 14 is fixed on micro-broken roller 15, described driving shaft 12 is connected with the turning cylinder of the motor reducer be provided with outside vertical sealed casing 1, driving shaft 12 can drive cylindrical screen cage 13 to rotate, micro-broken roller 15 pairs of cylindrical screen cages 13 are strengthened, prevent material from causing damage when cylindrical screen cage 13 rotates to cylindrical screen cage 13 simultaneously, mesh screen 14 can to material through row filter.
Embodiment 4
On the basis of embodiment 1, in order to the feeding mouth enabling the screenings of selective crushing rotary screen enter into next stage selective crushing rotary screen smoothly, and other place that can not drain in casing, leak preventing 12 is respectively equipped with at the feeding mouth of Second Order Selectivity crushing roller sieve 4 and three grades of selective crushing rotary screens 5, this leak preventing 16 other end is fixed on the vertical sealed casing 1 volume inwall of close Second Order Selectivity crushing roller sieve 4 and three grades of selective crushing rotary screens 5, and form with U-shaped guide groove 6 the V-type groove that interface is " V " word, and the feeding mouth of Second Order Selectivity crushing roller sieve 4 or three grades of selective crushing rotary screens 5 is positioned at the bottommost of V-type groove.
Embodiment 5, on the basis of embodiment 1, separates to enable to drop into fine material surge drum 9 can not mix completely with the material of ferrous contaminants surge drum 10, therefore between fine material surge drum 9 and ferrous contaminants surge drum 10, be provided with baffle plate 17.
Desulfurization sorting bed in the utility model is mainly used in dry coal preparation system, and this dry coal preparation method, mainly comprises the following steps:
Step one, pretreatment of raw material: the raw coal in run coal bin is transported in the overhead rotary screen of the first order by raw coal conveyer, fall into thick Hubei Province by the particle being greater than 30mm after the screening of the first order overhead rotary screen to break machine and carry out fragmentation, the particle being less than 30mm after the overhead rotary screen screening of the first order drops on the belt of the first branching conveyer, break the particle after crusher machine through thick Hubei Province and enter into the overhead rotary screen in the second level by the first elevator, fall into thin Hubei Province by the particle being greater than 30mm after the screening of the overhead rotary screen in the second level to break machine and carry out fragmentation, the particle being less than 30mm after the overhead rotary screen screening in the second level drops on the belt of the second branching conveyer, on the belt that meticulous Hubei Province particle broken after crusher machine drops into the 3rd branching conveyer, first branching conveyer, second branching conveyer, particle on a 3rd branching conveyer belt drops on the 4th branching conveyer, and be transported in raw material cabin,
Step 2, roughly select cleaned coal: the particulate coal in raw material cabin is transported in the broken sorting bed of first order sieve by the second elevator carries out sieving brokenly sorting, the screenings of the broken sorting bed of first order sieve drop into roughly select cleaned coal conveyer belt on, the oversize of the broken sorting bed of first order sieve to drop in the 3rd elevator and is transported to the second sieve and breaks in sorting bed and carry out sieving brokenly sorting, the screenings of the broken sorting bed of second level sieve drop into roughly select cleaned coal conveyer belt on, oversize drops into waste residue and exports on the belt of conveyer, dropping on the cleaned coal of roughly selecting roughly selected on cleaned coal conveyer is sent in dedust sorting bed by the 4th elevator, waste residue on waste residue output conveyer and middle coal are transported in the first spray system and carry out spray process,
Step 3, selected finished product cleaned coal, the cleaned coal of roughly selecting entering into dedust sorting bed carries out dedust, semi-finished product cleaned coal after dedust enters into desulfurization sorting bed by the 5th elevator and carries out desulfurization screening, the discarded object sub-elected through dedust sorting bed and desulfurization sorting bed drops on belt that discarded object exports machine and exports, finished product cleaned coal after the desulfurization of desulfurization sorting bed is transported in the second spray system by cleaned coal conveyer and carries out spray process, is required cleaned coal by the finished product cleaned coal after spray process.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.
Claims (5)
1. a desulfurization sorting bed, it is characterized in that, at least comprise a vertical sealed casing (1), the top of this vertical sealed casing (1) is provided with charging aperture (2), vertical sealed casing (1) inside is provided with one-level selective crushing rotary screen (3) according to left and right time intersection from top to bottom, Second Order Selectivity crushing roller sieve (4), three grades of selective crushing rotary screens (5), the feeding mouth of described one-level selective crushing rotary screen (3) is positioned at immediately below charging aperture (2), the oversize discharging opening of described one-level selective crushing rotary screen (3) and Second Order Selectivity crushing roller sieve the feeding mouth of (4), the described Second Order Selectivity crushing roller sieve discharging opening oversize of (4) is connected respectively by guide plate (6) with the feeding mouth of three grades of selective crushing rotary screens (5), the oversize discharging opening (7) that oversize discharging opening and vertical sealed casing (1) bottom of three grades of described selective crushing rotary screens (5) are provided with is connected by U-shaped guide groove (6),
Described one-level selective crushing rotary screen (3), Second Order Selectivity crushing roller sieve (4), electromagnetic cylinder (8) is respectively equipped with immediately below the screenings discharging opening of three grades of selective crushing rotary screens (5), the below in this electromagnetic cylinder (8) dead ahead is provided with fine material surge drum (9), the rear of this fine material surge drum (9) is provided with ferrous contaminants surge drum (10), the fine material outlet derivation that fine material in described fine material surge drum (9) is provided with by being located at vertical sealed casing (1) wall, described one-level selective crushing rotary screen (3), Second Order Selectivity crushing roller sieve (4), three grades of selective crushing rotary screens (5) and electromagnetic cylinder (8) are driven by the motor reducer be provided with outside vertical sealed casing (1) and rotate.
2. a kind of desulfurization sorting bed according to claim 1, it is characterized in that, be provided with in described ferrous contaminants surge drum (10) and ferrous contaminants is outputted to vertical sealed casing (1) output screw outward (11), this output screw (11) connects by being located at vertical sealed casing (1) motor outward.
3. a kind of desulfurization sorting bed according to claim 1, it is characterized in that, described one-level selective crushing rotary screen (3), Second Order Selectivity crushing roller sieve (4), three grades of selective crushing rotary screens (5) are same selective crushing rotary screen, and this selective crushing rotary screen at least comprises a driving shaft (12) and cylindrical screen cage (13), described cylindrical screen cage (13) is by two end face steel rings, evenly be connected to two end face steel rings circumferentially, and form with multiple micro-broken roller (15) of centerline parallel between two end face steel rings and the mesh screen (14) be wrapped on micro-broken roller (15), the connection muscle that described driving shaft (12) is also provided with by cylindrical screen cage (13) end face through cylindrical screen cage (13) end face is fixedly connected with, and this driving shaft (12) is located on the same line with the longitudinal center line of cylindrical screen cage (13), described mesh screen (14) is fixed on micro-broken roller (15), described driving shaft (12) is connected with the turning cylinder of the motor reducer be provided with outside vertical sealed casing (1).
4. a kind of desulfurization sorting bed according to claim 1, it is characterized in that, described Second Order Selectivity crushing roller sieve (4) and the feeding mouth of three grades of selective crushing rotary screens (5) are respectively equipped with leak preventing (12), this leak preventing (16) other end is fixed on vertical sealed casing (1) the volume inwall that Second Order Selectivity crushing roller sieves (4) and three grades of selective crushing rotary screens (5), and form with U-shaped guide groove (6) the V-type groove that interface is " V " word, and the feeding mouth of Second Order Selectivity crushing roller sieve (4) or three grades of selective crushing rotary screens (5) is positioned at the bottommost of V-type groove.
5. a kind of desulfurization sorting bed according to claim 1, is characterized in that, is provided with baffle plate (17) between described fine material surge drum (9) and ferrous contaminants surge drum (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520514842.9U CN204841941U (en) | 2015-07-16 | 2015-07-16 | Bed is selected separately in desulfurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520514842.9U CN204841941U (en) | 2015-07-16 | 2015-07-16 | Bed is selected separately in desulfurization |
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| Publication Number | Publication Date |
|---|---|
| CN204841941U true CN204841941U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520514842.9U Expired - Fee Related CN204841941U (en) | 2015-07-16 | 2015-07-16 | Bed is selected separately in desulfurization |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108636522A (en) * | 2018-04-12 | 2018-10-12 | 会理县财通铁钛有限责任公司 | A kind of processing vanadium titano-magnetite device |
-
2015
- 2015-07-16 CN CN201520514842.9U patent/CN204841941U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108636522A (en) * | 2018-04-12 | 2018-10-12 | 会理县财通铁钛有限责任公司 | A kind of processing vanadium titano-magnetite device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20170716 |