CN204841887U - Raw coal pretreatment systems - Google Patents
Raw coal pretreatment systems Download PDFInfo
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- CN204841887U CN204841887U CN201520515250.9U CN201520515250U CN204841887U CN 204841887 U CN204841887 U CN 204841887U CN 201520515250 U CN201520515250 U CN 201520515250U CN 204841887 U CN204841887 U CN 204841887U
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Abstract
The utility model provides a raw coal pretreatment systems, including frame, former coal bunker, its characterized in that, the frame on be fixed with the overhead drum sieve of the first order, the broken machine in thin hubei province, lifting machine, the overhead drum sieve in the second level, the coal bunker passes through, the grain exports who is greater than 30mm that the broken machine in thin hubei province was established at the overhead drum sieve of the first order is under, the pan feeding mouth hookup of lifting machine and the overhead drum sieve in the second level is passed through in the export of the broken machine in thin hubei province, the grain exports who is less than 30mm after the transition coal bunker is located the overhead drum sieve of the overhead drum sieve of the first order and the second level and filters is under, be equipped with the cash sediment output conveyer of the cash sediment after being used for the transportation through the screening of the overhead drum sieve in the second level under the export of the oversize of the overhead drum sieve in the second level. The in -process of former coal handling, equipment have increased the stability of system when reducing, less noise has improved follow -up clean coal product calorific value, and the raw coal handling capacity reaches 60 tons / hour, has reduced manufacturing cost, has improved production efficiency.
Description
Technical field
The utility model belongs to mechanical coal preparation technology field, is specifically related to a kind of raw coal pretreatment system.
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 is generally at raw coal pretreatment stage, practical conveyer often causes noise comparatively large, and the stability of a system is lower, and the more treating capacity of raw coal that causes of the equipment in system is lower, the cost of raw coal process is higher simultaneously, does not utilize the saving of old.
Utility model content
In order to overcome the shortcoming of above-mentioned prior art, it is smaller that the purpose of this utility model is to provide a kind of noise, and the stability of a system is high, the raw coal pretreatment system that raw coal treating capacity is larger.
In order to achieve the above object, the technical scheme that the utility model is taked is: a kind of raw coal pretreatment system, comprises frame, run coal bin, it is characterized in that, described frame is fixed with the overhead rotary screen of the first order, machine, elevator, the overhead rotary screen in the second level, transition coal bunker are broken in thin Hubei Province;
Bottom described run coal bin, oscillating feeder is installed, the outlet of this oscillating feeder is connected by raw coal conveyer with between the overhead rotary screen feeding mouth of the first order, described thin Hubei Province is broken machine and is located at immediately below the particle outlet being greater than 30mm of the overhead rotary screen of the first order, the outlet that machine is broken in described thin Hubei Province is connected by the feeding mouth of the overhead rotary screen in elevator and the second level, described transition coal bunker is positioned at immediately below the particle outlet being less than 30mm after the overhead rotary screen screening of the overhead rotary screen of the first order and the second level, the cash slag be provided with immediately below the oversize outlet of the overhead rotary screen in the described second level for transporting the cash slag after by the overhead rotary screen screening in the second level exports conveyer.
The overhead rotary screen of the overhead rotary screen of the described first order and the second level is the overhead rotary screen of same, this overhead rotary screen at least comprises a seal case, the both sides of sealing casing are fixed with vertical frame column, the top of described seal case offers feeding mouth, the bottom of seal case offers oversize outlet and screenings outlet, rotary screen and bottom roll sieve is provided with in described seal case, and feeding mouth is positioned at directly over rotary screen, described upper rotary screen and the center line that bottom roll sieves are positioned in same vertical plane, and the end oversize outlet of upper rotary screen is positioned at the middle part of bottom roll sieve, the outlet of the oversize of described bottom roll sieve end is positioned at directly over oversize outlet, the screenings of described upper rotary screen and bottom roll sieve imports in screenings outlet by the screenings guide plate tilting to be located at rotary screen and bottom roll sieve below, described screenings guide plate upper end is fixed on the inwall of seal case, the lower end of this screenings guide plate is positioned at directly over screenings outlet, the width of described screenings guide plate is equal to or greater than the width of rotary screen and bottom roll sieve, and a side of screenings guide plate and upper rotary screen and bottom roll sieve end is positioned on same vertical plane, described upper rotary screen and bottom roll sieve one end and are arranged on for driving upper rotary screen and bottom roll to sieve the motor reducer rotated, this motor reducer is fixedly mounted in frame.
Be connected by baffle plate between the bottom of the screenings guide plate that described bottom roll sieve below is provided with exports with screenings, described vertical frame column is provided with maintenance platform.
The outlet at bottom of described transition coal bunker goes out to be provided with feeder or sealing rigidity impeller.
The utility model adopts above technical scheme, have the following advantages: in the process of raw coal process, equipment adds the stability of system while reducing, less noise, improve subsequent fine product of coal calorific value, raw coal treating capacity, reach 60 tons/hour, decrease production cost, improve production efficiency.
Accompanying drawing explanation
Fig. 1: system architecture schematic diagram of the present utility model;
Fig. 2: the structural representation of overhead rotary screen
In figure: 1. run coal bin; 2. raw coal conveyer; 3. the overhead rotary screen of the first order; 4. machine is broken in thin Hubei Province; 5. elevator; 6. the overhead rotary screen of the first order; 7. transition coal bunker; 8. cash slag exports conveyer; 301 seal cases; 302. vertical frame columns; 303. feeding mouth; 304. oversize outlets; 305. screenings outlets; Rotary screen on 306.; 307. bottom roll sieves; 308. screenings guide plates; 309. baffle plate; 310. maintenance platform.
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, a kind of raw coal pretreatment system, comprises frame, and run coal bin 1, is characterized in that, described frame is fixed with the overhead rotary screen of the first order 3, machine 4, elevator 5, the overhead rotary screen 6 in the second level, transition coal bunker 7 are broken in thin Hubei Province;
Bottom described run coal bin 1, oscillating feeder is installed, the outlet of this oscillating feeder is connected by raw coal conveyer 2 with between the first order overhead rotary screen 3 feeding mouth, described thin Hubei Province is broken machine 5 and is located at immediately below the particle outlet being greater than 30mm of the overhead rotary screen 3 of the first order, the outlet that machine 5 is broken in described thin Hubei Province is connected by the feeding mouth of the overhead rotary screen 6 in elevator 5 and the second level, described transition coal bunker 7 is positioned at immediately below the particle outlet being less than 30mm after overhead rotary screen 6 screening of the overhead rotary screen of the first order 3 and the second level, the cash slag be provided with immediately below the oversize outlet of the overhead rotary screen in the described second level 6 for transporting the cash slag after being screened by the overhead rotary screen 6 in the second level exports conveyer 8.
Run coal bin 1 adopts buried installation, so that forklift charging, bottom run coal bin 1 install oscillating feeder can ensure continous-stable quantitative to raw coal belt conveyor 2 convey materials, in the process of work, raw coal in run coal bin 1 is transported to the feeding mouth in the overhead rotary screen 3 of the first order by raw coal belt conveyor 2, raw coal enters into the overhead rotary screen 3 of the first order and screens, the particle that the process of screening is less than 30mm is fallen in the transition coal bunker be provided with below the overhead rotary screen 3 of the first order through row storage from the screenings outlet the overhead rotary screen of the first order 3, the particle being greater than 30mm enters into thin Hubei Province and breaks machine 5 and carry out fragmentation, in the process of fragmentation, the raw coal being greater than the particle of 30mm through screening will be broken, and choosing is greater than in the particle of 30mm and is not raw coal but spoil can not be broken more greatly because of hardness ratio, the overhead rotary screen 6 in the second level is entered into by elevator 5 with the raw coal after fragmentation, raw coal in the overhead rotary screen 6 in the second level after fragmentation drops in transition coal bunker 7 through screening, not not raw coal but the particle of spoil is left on the sieve of the overhead rotary screen 6 in the second level, falling cash slag by oversize outlet exports in conveyer 8, outside output system, can find out, while basis coal handling system decreases equipment, add raw coal treating capacity and decrease the noise problem because equipment too much produces, the stability of simultaneity factor is higher, treating capacity is larger, effectively decrease production cost.
Embodiment 2
On the basis of embodiment 1, as shown in Figure 2, the overhead rotary screen of the overhead rotary screen of the described first order 3 and the second level 6 is the overhead rotary screens of same, this overhead rotary screen at least comprises a seal case 301, the both sides of sealing casing 301 are fixed with vertical frame column 302, the top of described seal case 301 offers feeding mouth 303, the bottom of seal case 301 offers oversize outlet 304 and screenings outlet 305, rotary screen 306 and bottom roll sieve 307 is provided with in described seal case 301, and feeding mouth 303 is positioned at directly over rotary screen 306, described upper rotary screen 306 is positioned in same vertical plane with the center line of bottom roll sieve 307, and the end oversize outlet of upper rotary screen 306 is positioned at the middle part of bottom roll sieve 307, the outlet that described bottom roll sieves the oversize of 307 ends is positioned at directly over oversize outlet 304, the screenings of described upper rotary screen 306 and bottom roll sieve 307 imports in screenings outlet 305 by the screenings guide plate 308 tilting to be located at below rotary screen 306 and bottom roll sieve 307, described screenings guide plate 308 upper end is fixed on the inwall of seal case 301, the lower end of this screenings guide plate 308 is positioned at directly over screenings outlet 305, the width of described screenings guide plate 308 is equal to or greater than the width of rotary screen 306 and bottom roll sieve 307, and a side of screenings guide plate 308 and upper rotary screen 306 and bottom roll sieve 307 ends is positioned on same vertical plane, described upper rotary screen 306 and bottom roll sieve 307 one end and are arranged on for driving upper rotary screen 306 and bottom roll to sieve 307 motor reducers rotated, this motor reducer is fixedly mounted in frame, the bottom of the screenings guide plate 308 be provided with below described bottom roll sieve 307 is connected by baffle plate 309 between exporting 305 with screenings, and described vertical frame column 302 is provided with maintenance platform 310,
Raw coal enters into overhead rotary screen, screenings after upper rotary screen 306 screens is fallen on screenings guide plate 308, because this lower thing guide plate 308 is obliquely installed, under gravity, the cleaned coal of roughly selecting of screenings drops in screenings outlet 305, and discharge outside seal case 301, oversize after upper rotary screen 306 screens is positioned at directly over bottom roll sieve 307 because of the oversize outlet of upper rotary screen 306, this oversize drops in bottom roll sieve 307 through row postsearch screening, screenings after postsearch screening drops into screenings outlet 305 by screenings guide plate 308, oversize drops into oversize outlet 304, baffle plate 309 prevents oversize from mixing with screenings, maintenance platform 310 is convenient breaks sorting bed through row maintenance to this sieve, because coal is softer than spoil, what this overhead rotary screen adopted is soft or hard, granularity combined type grading principle, can ensure in raw coal not containing spoil particle.This system sharpness of separation is high, and ratio defective product is high, and Regional suitability is good, overcomes the shortcoming of traditional raw coal preliminary election.
Embodiment 3
On the basis of embodiment 1, next process known is entered into smoothly in order to enable the pretreated raw coal in transition coal bunker 7, be provided with oscillating feeder in the outlet of transition coal bunker 7 and can ensure the Belt Conveying material to conveyer that continous-stable is quantitative, or install sealing rigidity impeller can ensure pretreatment raw coal in transition coal bunker 7 can at regular time and quantity to next system convey materials.
Elevator in above-described embodiment, thin Hubei Province break machine, sealing rigidity impeller is the equipment that the art is commonly used, elevator is important is the feeding mouth of the material transportation of a upper link to next link pinnacled, it is carry out fragmentation to material that machine is broken in thin Hubei Province, to be timing carry out switch and closed to material mouth to sealing rigidity impeller, here just not detailed description one by one.
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 (4)
1. a raw coal pretreatment system, comprise frame, run coal bin (1), is characterized in that, described frame is fixed with the overhead rotary screen of the first order (3), machine (4), elevator (5), the overhead rotary screen in the second level (6), transition coal bunker (7) are broken in thin Hubei Province;
Described run coal bin (1) bottom is provided with oscillating feeder, the outlet of this oscillating feeder is connected by raw coal conveyer (2) with between the overhead rotary screen of the first order (3) feeding mouth, described thin Hubei Province is broken machine (5) and is located at immediately below the particle outlet being greater than 30mm of the overhead rotary screen of the first order (3), the outlet that machine (5) is broken in described thin Hubei Province is connected by the feeding mouth of elevator (5) with the overhead rotary screen in the second level (6), described transition coal bunker (7) is positioned at immediately below the particle outlet being less than 30mm after the overhead rotary screen of the first order (3) and the second level overhead rotary screen (6) screening, be provided with immediately below the oversize outlet of the overhead rotary screen in the described second level (6) and export conveyer (8) for transport by the cash slag of the cash slag after the screening of the overhead rotary screen in the second level (6).
2. a kind of raw coal pretreatment system according to claim 1, it is characterized in that, the overhead rotary screen of the described first order (3) and the second level overhead rotary screen (6) are the overhead rotary screens of same, this overhead rotary screen at least comprises a seal case (301), the both sides of sealing casing (301) are fixed with vertical frame column (302), the top of described seal case (301) offers feeding mouth (303), the bottom of seal case (301) offers oversize outlet (304) and screenings outlet (305), rotary screen (306) and bottom roll sieve (307) is provided with in described seal case (301), and feeding mouth (303) is positioned at directly over rotary screen (306), described upper rotary screen (306) is positioned in same vertical plane with the center line of bottom roll sieve (307), and the end oversize outlet of upper rotary screen (306) is positioned at the middle part of bottom roll sieve (307), the outlet of the oversize of described bottom roll sieve (307) end is positioned at directly over oversize outlet (304), the screenings guide plate (308) that the screenings of described upper rotary screen (306) and bottom roll sieve (307) is located at upper rotary screen (306) and bottom roll sieve (307) below by inclination imports in screenings outlet (305), described screenings guide plate (308) upper end is fixed on the inwall of seal case (301), the lower end of this screenings guide plate (308) is positioned at directly over screenings outlet (305), the width of described screenings guide plate (308) is equal to or greater than the width of rotary screen (306) and bottom roll sieve (307), and a side of screenings guide plate (308) and upper rotary screen (306) and bottom roll sieve (307) end is positioned on same vertical plane, described upper rotary screen (306) and bottom roll sieve (307) one end are arranged on the motor reducer for driving upper rotary screen (306) and bottom roll sieve (307) to rotate, this motor reducer is fixedly mounted in frame.
3. a kind of raw coal pretreatment system according to claim 2, it is characterized in that, the bottom of the screenings guide plate (308) that described bottom roll sieve (307) below is provided with is exported with screenings between (305) and is connected by baffle plate (309), and described vertical frame column (302) is provided with maintenance platform (310).
4. a kind of raw coal pretreatment system according to claim 1, is characterized in that, the outlet at bottom of described transition coal bunker (7) goes out to be provided with feeder or sealing rigidity impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520515250.9U CN204841887U (en) | 2015-07-16 | 2015-07-16 | Raw coal pretreatment systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520515250.9U CN204841887U (en) | 2015-07-16 | 2015-07-16 | Raw coal pretreatment systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204841887U true CN204841887U (en) | 2015-12-09 |
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ID=54732485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520515250.9U Expired - Fee Related CN204841887U (en) | 2015-07-16 | 2015-07-16 | Raw coal pretreatment systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204841887U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114100838A (en) * | 2021-10-28 | 2022-03-01 | 三峡昌耀管廊建设有限公司 | Quartz sand grading system and method applied to brick making |
| CN114226252A (en) * | 2021-12-17 | 2022-03-25 | 中煤科工集团南京设计研究院有限公司 | Impurity removal screening device for coal mechanical equipment |
-
2015
- 2015-07-16 CN CN201520515250.9U patent/CN204841887U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114100838A (en) * | 2021-10-28 | 2022-03-01 | 三峡昌耀管廊建设有限公司 | Quartz sand grading system and method applied to brick making |
| CN114226252A (en) * | 2021-12-17 | 2022-03-25 | 中煤科工集团南京设计研究院有限公司 | Impurity removal screening device for coal mechanical equipment |
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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 |
Granted publication date: 20151209 Termination date: 20170716 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |