CN204620420U - A kind of Bed for Fine Coal dry method classifying equipment of powder - Google Patents
A kind of Bed for Fine Coal dry method classifying equipment of powder Download PDFInfo
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- CN204620420U CN204620420U CN201520276135.0U CN201520276135U CN204620420U CN 204620420 U CN204620420 U CN 204620420U CN 201520276135 U CN201520276135 U CN 201520276135U CN 204620420 U CN204620420 U CN 204620420U
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- bed
- dry method
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- fine coal
- vibration
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Abstract
The utility model discloses a kind of Bed for Fine Coal dry method classifying equipment of powder, comprising: air blast, deduster, graded plate, excitation beam of vibration, air compartment, side plate, dust excluding hood; Described graded plate rear and front end is along its length arranged in the mode of front end lower than rear end, and front end arranges coarse granule chute, and rear end arranges fine grained chute; Side plate is fixed respectively in described graded plate both sides along its length; Described excitation beam of vibration is arranged between two described side plates, under driving in external motor, drive described graded plate to vibrate; Be loose structure in the middle part of described graded plate, and this loose structure is connected with air compartment upper end, described air compartment lower end is connected to described air blast; Described dust excluding hood cover is placed in two described side plate upper ends, and middle part is provided with pan feeding chute; Described deduster is connected with dust excluding hood; The utility model can carry out effective classification to 25-0mm raw coal, and partition size is 6-0mm, and structure is simple, simple operation, without water, energy-saving and cost-reducing with the obvious advantage.
Description
Technical field
The utility model relates to screening installation field, colliery, refers to a kind of Bed for Fine Coal dry method classifying equipment of powder especially.
Background technology
Due to the change of coal mining geological conditions and the raising of mining mechanization degree, in China's raw coal, fine particle content constantly raises.Need wet classification before raw coal washing, produce a large amount of black waters thus.Slime water treatment increases coal preparation plant's investment and operation cost.For the easy argillization coal that degree of metamorphism is lower, as brown coal, this situation is even more serious.In addition, black water is successively after concentrated and press filtration, and the moisture of final products is higher than 20%, and its caloric value is lower, not easily sells, and reduces the economic benefit of enterprise.Therefore, raw coal dry classification technical need is very urgent.The granularity lower limit of current employing screening machine dry screening is 6mm, and when partition size is less than 6mm, screening efficiency reduces gradually, and cannot carry out 1mm classification.
Utility model content
In view of this, the purpose of this utility model is to propose that a kind of classification efficiency is high, structure simple, the Bed for Fine Coal dry method classifying equipment of powder of convenient operation.
Based on a kind of Bed for Fine Coal dry method classifying equipment of powder that above-mentioned purpose the utility model provides, comprising: air blast, deduster, graded plate, excitation beam of vibration, air compartment, side plate, dust excluding hood; Described graded plate rear and front end is along its length arranged in the mode of front end lower than rear end, and front end arranges coarse granule chute, and rear end arranges fine grained chute; Side plate described in one is fixed on described graded plate both sides along its length respectively; Described excitation beam of vibration is arranged between two described side plates, under driving in external motor, drive described graded plate to vibrate; Be loose structure in the middle part of described graded plate, and this loose structure is connected with described air compartment upper end, described air compartment lower end is connected to described air blast; Described dust excluding hood cover is placed in two described side plate upper ends, and middle part is provided with pan feeding chute; Described deduster is connected with described dust excluding hood.
Preferably, between two described side plates, be also provided with a rotating shaft be connected with external motor, described rotating shaft be symmetrically arranged with two eccentric blocks; Described excitation beam of vibration is also connected with two eccentric block casees, described two eccentric blocks are in described two eccentric block casees respectively, and described rotating shaft through described two eccentric block casees, and is connected by bearing with described eccentric block case.
Preferably, described two eccentric block casees can drive described excitation beam of vibration to rotate centered by described rotating shaft, described two described side plates are symmetrically arranged with the fixing circular hole of many groups, for being fixed by circular flange by its two ends by the described excitation beam of vibration after rotation.
Preferably, described air compartment top material is canvas, and bottom material is steel plate.
Optionally, the percent opening of the loose structure in the middle part of described graded plate is 30-40%, and aperture is 3-10mm.
Preferably, described graded plate rear and front end along its length supports respectively by front leg and rear portion supporting leg, and described front leg is provided with telescopic mechanism.
Optionally, can be regulated the inclination angle of described graded plate and horizontal plane by described telescopic mechanism, adjustable range is 0-20 degree.
Preferably, described telescopic mechanism is the latch structure being provided with differing heights fixed bit.
Preferably, the dust outlet of described deduster is connected to described fine grained chute, and air outlet slit is in communication with the outside.
As can be seen from above, the Bed for Fine Coal dry method classifying equipment of powder that the utility model provides, the booster action based on wind-force contributes to the dispersion of raw coal, and the fine grain of coarse granule surface adhesion comes off.Can carry out effective classification to 25-0mm raw coal, by changing the direction of vibration of excitation beam of vibration and the inclination angle of graded plate, can regulate partition size under preferably implementing within the scope of 6-0mm, structure is simple, simple operation, without water, energy-saving and cost-reducing with the obvious advantage.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the Bed for Fine Coal dry method classifying equipment of powder structural representation of the utility model embodiment;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is excitation beam of vibration part partial schematic diagram in the utility model embodiment.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.
With reference to Figure of description, wherein, Fig. 1 is the Bed for Fine Coal dry method classifying equipment of powder structural representation of the utility model embodiment, and Fig. 2 is the left view of Fig. 1.
The utility model embodiment provides a kind of Bed for Fine Coal dry method classifying equipment of powder, comprising: air blast 1, deduster 2, graded plate 3, excitation beam of vibration 4, air compartment 5, side plate 6, dust excluding hood 7;
Described graded plate 3 rear and front end is along its length arranged in the mode of front end lower than rear end, and namely graded plate 3 and horizontal line have an angle to be obliquely installed, and be convenient to raw coal and drop on after on graded plate 3, coarse granule can move downward smoothly.The front end of graded plate 3 arranges coarse granule chute 8, for being discharged by the coarse granule after coal classification; The rear end of graded plate 3 arranges fine grained chute 9, for being discharged by the fine grained after coal classification.Side plate 6 described in one is fixed on described graded plate 3 both sides along its length respectively; Described excitation beam of vibration 4 is arranged between two described side plates 6, vibrates under driving in external motor, and drives graded plate 3 to vibrate by the transmission of side plate 6.Be loose structure in the middle part of described graded plate 3, and this loose structure is connected with described air compartment 5 upper end, air compartment 5 lower end is connected to described air blast 1, the wind that air blast 1 produces guides to graded plate 3 surface through air compartment 5, for former coal grading, by the wind-force that loose structure produces, peptizaiton is played to raw coal, and contribute to the fine grained of coarse granule surface adhesion is come off.Described dust excluding hood 7 cover is placed in two described side plate 6 upper ends, and middle part is provided with pan feeding chute 10; Described deduster 2 is connected with described dust excluding hood 7.
The specific works process of the Bed for Fine Coal dry method classifying equipment of powder of the present embodiment is as follows: air guides to graded plate 3 surface by air compartment 5 after air blast 1, excitation beam of vibration 4 drives graded plate 3 to vibrate under the driving of external motor, raw coal A drops on after on graded plate 3 through pan feeding chute 10, disperse at graded plate 3 surface uniform under the acting in conjunction of wind-force and vibration force, the main gravitate of the coarse granule that quality is larger travels forward (left side in Fig. 1), the fine grained that quality is less is dominated by vibration force and is moved (right side in Fig. 1) backward, final coarse granule travels forward from coarse granule chute 8 and discharges, become coarse granule products C, fine grained moves backward from fine grained chute 9 and discharges, and becomes fine grained product D.The dust produced in classification process collects process by deduster 2.
In a preferred embodiment, by regulating the direction of vibration of excitation beam of vibration 4 and the inclination angle of graded plate 3, the function regulating partition size fast and effectively can be realized.Concrete:
With reference to figure 2, be also provided with a rotating shaft be connected with external motor 15 between two described side plates 6, this rotating shaft 15 can rotate under the driving of motor between biside plate 6; Described rotating shaft 15 is symmetrically arranged with two eccentric blocks 13.Simultaneously, rotating shaft 15 and excitation beam of vibration 4 be arranged in parallel, excitation beam of vibration 4 is also connected with two eccentric block casees 14, the setting position of these two eccentric block casees 14 matches with the setting position of two eccentric blocks 13, two eccentric blocks 13 are made to be in two eccentric block casees 14 respectively, rotating shaft 15 through two eccentric block casees 14, and is connected by bearing with eccentric block case 14; During work, rotating shaft 15 rotates, and eccentric block 13 rotates in the inner space of eccentric block case 14, and the vibration force that eccentric block 13 is formed passes to excitation beam of vibration 4 through eccentric block case 14.The vibration force direction of eccentric block case 14, perpendicular to excitation beam of vibration 4, can realize regulating the object of direction of vibration by rotating excitation beam of vibration 4; Concrete, with reference to figure 3, two eccentric block casees 14 can drive excitation beam of vibration 4 to rotate centered by rotating shaft 15, accordingly, two side plates 6 are symmetrically arranged with the fixing circular hole (not shown) of many groups, excitation beam of vibration 4, after rotating, is fixed on one group by circular flange 16 and fixes between circular hole.
Graded plate 3 rear and front end along its length supports respectively by front leg 11 and rear portion supporting leg 12, and described front leg 11 is provided with telescopic mechanism.Can be regulated the height of front leg 11 by described telescopic mechanism, thus change the angle of inclination of graded plate 3, adjustable range is 0-20 degree.As preferably, with reference to figure 1 and Fig. 2, described telescopic mechanism is the latch structure being provided with differing heights fixed bit, and this latch structure has the different fixed bits arranged along short transverse, by being fixed on different fixed bits to change the height of front leg 11.In addition, in other embodiments, according to concrete use needs, described telescopic mechanism can also for telescopic extension structure, folding rod structure or other can realize change front leg 11 height structure.
In a preferred embodiment, described air compartment 5 comprises connected two parts up and down, and top material is canvas, and bottom material is steel plate.The top of canvas material is connected with graded plate 3, and the bottom of steel plate material is connected with air blast 1 by pipeline.Because work time-division step 3 can vibrate, the top of canvas material effectively can alleviate the transmission vibrated to pipeline and air blast 1 direction, can effectively eliminate the hidden danger that between air compartment 5 and air blast 1, connecting line is damaged, also improve its service life.
In a preferred embodiment, the dust outlet of described deduster 2 is connected to described fine grained chute 9, and air outlet slit is in communication with the outside.The dust produced in classification process is collected by deduster 2; after deduster 2 processes; air B is discharged in air by air outlet slit; residue dust still can reach the granularity requirements of fine grained product; therefore deduster 2 dust outlet is connected with fine grained chute 9; dust after deduster 2 is processed mixes with fine grained, jointly becomes fine grained product D.
In a preferred embodiment, the percent opening of the loose structure in the middle part of described graded plate is 30-40%, and aperture is 3-10mm.Arrange based on above-mentioned percent opening and aperture, the realization that preferred embodiment of the present utility model can be good carries out effective classification to 25-0mm raw coal, and can regulate partition size within the scope of 6-0mm.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle; any amendment of making, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a Bed for Fine Coal dry method classifying equipment of powder, is characterized in that, comprising: air blast, deduster, graded plate, excitation beam of vibration, air compartment, side plate, dust excluding hood; Described graded plate rear and front end is along its length arranged in the mode of front end lower than rear end, and front end arranges coarse granule chute, and rear end arranges fine grained chute; Side plate described in one is fixed on described graded plate both sides along its length respectively; Described excitation beam of vibration is arranged between two described side plates, under driving in external motor, drive described graded plate to vibrate; Be loose structure in the middle part of described graded plate, and this loose structure is connected with described air compartment upper end, described air compartment lower end is connected to described air blast; Described dust excluding hood cover is placed in two described side plate upper ends, and middle part is provided with pan feeding chute; Described deduster is connected with described dust excluding hood.
2. Bed for Fine Coal dry method classifying equipment of powder according to claim 1, is characterized in that, is also provided with a rotating shaft be connected with external motor between two described side plates, described rotating shaft is symmetrically arranged with two eccentric blocks; Described excitation beam of vibration is also connected with two eccentric block casees, described two eccentric blocks are in described two eccentric block casees respectively, and described rotating shaft through described two eccentric block casees, and is connected by bearing with described eccentric block case.
3. Bed for Fine Coal dry method classifying equipment of powder according to claim 2, it is characterized in that, described two eccentric block casees can drive described excitation beam of vibration to rotate centered by described rotating shaft, described two described side plates are symmetrically arranged with the fixing circular hole of many groups, for being fixed by circular flange by its two ends by the described excitation beam of vibration after rotation.
4. Bed for Fine Coal dry method classifying equipment of powder according to claim 1, is characterized in that, described air compartment top material is canvas, and bottom material is steel plate.
5. Bed for Fine Coal dry method classifying equipment of powder according to claim 1, is characterized in that, the percent opening of the loose structure in the middle part of described graded plate is 30-40%, and aperture is 3-10mm.
6. Bed for Fine Coal dry method classifying equipment of powder according to claim 1, is characterized in that, described graded plate rear and front end along its length supports respectively by front leg and rear portion supporting leg, and described front leg is provided with telescopic mechanism.
7. Bed for Fine Coal dry method classifying equipment of powder according to claim 6, is characterized in that, can be regulated the inclination angle of described graded plate and horizontal plane by described telescopic mechanism, and adjustable range is 0-20 degree.
8. Bed for Fine Coal dry method classifying equipment of powder according to claim 6, is characterized in that, described telescopic mechanism is the latch structure being provided with differing heights fixed bit.
9. Bed for Fine Coal dry method classifying equipment of powder according to claim 1, is characterized in that, the dust outlet of described deduster is connected to described fine grained chute, and air outlet slit is in communication with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520276135.0U CN204620420U (en) | 2015-04-30 | 2015-04-30 | A kind of Bed for Fine Coal dry method classifying equipment of powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520276135.0U CN204620420U (en) | 2015-04-30 | 2015-04-30 | A kind of Bed for Fine Coal dry method classifying equipment of powder |
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| Publication Number | Publication Date |
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| CN204620420U true CN204620420U (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520276135.0U Expired - Fee Related CN204620420U (en) | 2015-04-30 | 2015-04-30 | A kind of Bed for Fine Coal dry method classifying equipment of powder |
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| CN (1) | CN204620420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449259A (en) * | 2019-08-20 | 2019-11-15 | 神华神东煤炭集团有限责任公司 | Desliming device and desliming process |
-
2015
- 2015-04-30 CN CN201520276135.0U patent/CN204620420U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449259A (en) * | 2019-08-20 | 2019-11-15 | 神华神东煤炭集团有限责任公司 | Desliming device and desliming process |
| CN110449259B (en) * | 2019-08-20 | 2021-10-08 | 神华神东煤炭集团有限责任公司 | Desliming equipment and desliming process |
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| 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: 20150909 Termination date: 20190430 |