CN204074496U - The incorgruous vibration separation screen of double mass - Google Patents
The incorgruous vibration separation screen of double mass Download PDFInfo
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- CN204074496U CN204074496U CN201420587596.5U CN201420587596U CN204074496U CN 204074496 U CN204074496 U CN 204074496U CN 201420587596 U CN201420587596 U CN 201420587596U CN 204074496 U CN204074496 U CN 204074496U
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- plastid
- vibration
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- incorgruous
- sieve plate
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Abstract
The incorgruous vibration separation screen of a kind of double mass, for the dry screening of moist fine particulate viscous material.Classifying screen is primarily of sieve plate, spring and drive unit composition, and this classifying screen is provided with the first plastid and the second plastid, and the first plastid is connected with the second plastid by linking springs, is connected with drive unit; Sieve plate one end is fixed on the first plastid, and the other end is fixed on the second plastid, and the compass screen surface after fixing is in same level, and the direction of vibration of compass screen surface is contrary, and amplitude is different.This classifying screen adopts single driving dual-vibration principle, and a driver provides two vibrations: a fundamental vibration of the first plastid and an extraneous vibration of the second plastid.In this vibration processes, the bar screen plate be arranged on the first plastid produces incorgruous vibration with the bar screen plate be arranged on the second plastid, and sieve plate rod produces secondary flutter in screen(ing) machine vibration processes simultaneously, effectively prevents the blocking of sticky wet fine.The advantages such as have disposal ability large, screening efficiency is high, and structure is simple, energy-conservation.
Description
Technical field
The utility model relates to a kind of dry classification sieve, particularly relates to one and is applied to moist thin
The incorgruous vibration separation screen of dry screening double mass of grain viscous material (free moisture content 7 ~ 14%, partition size is at 6 ~ 13mm).
Background technology
In the Energy Mix of China, coal accounts for more than 70% of primary energy, and coal, as the main energy sources of China, plays irreplaceable effect in the development of the national economy.During 12, five, country continues the washing upgrading of propulsion power coal washing, particularly brown coal.Because brown coal free moisture is higher, and the easy argillization of spoil, coal grain easily bonds agglomerating, easily causes sieve pore blockade when common screen(ing) machine sieves it, causes screening difficulty.For improving screening efficiency, must manage to eliminate the cohesive force between coal grain and between coal and compass screen surface, increasing compass screen surface to the active force of material.Common screening machine by increasing their exciting force, can only reach the object eliminating coal slime blocking sieve aperture, and can increase the dynamic load of screen(ing) machine like this and reduce the drawback of reliability; When exciting force is less, be difficult to again the particle got lodged in sieve aperture is dished out from sieve aperture, viscous material is difficult to fully loose and rearranges, and screening process obviously worsens, and common screening machine cannot complete the dry screening to particulate viscous material.
This problem has caused the attention of countries in the world, and conducts extensive research, and occurred many novel sieving machines, these sieving machines all also exist deficiency; There is clogging in equal thick screen sieve aperture when processing sticky wet fine; Probability of classification screen separation accuracy is low: the piano wire screen silk screen life-span is short; The sieve-plate aperture ratio of flip-flow screening machine is low etc.For this reason, development is ready to appear for the classifying screen of particulate viscous material.
Summary of the invention
Goal of the invention of the present utility model is that the separation accuracy that exists for the classifying screen, piano wire screen sieve, flip-flow screening machine etc. of prior art is low, the silk screen life-span is short and the deficiency such as sieve-plate aperture ratio is low, there is provided a kind of and provide two vibrations by a drive unit, the direction of vibration of compass screen surface is contrary, and the incorgruous vibration separation screen of double mass being applied to the dry screening of moist fine particulate viscous material (free moisture content 7 ~ 14%, partition size is at 6 ~ 13mm) that amplitude is different.
Realize above-mentioned purpose by the following technical solutions:
The incorgruous vibration separation screen of a kind of double mass, described classifying screen is primarily of sieve plate, spring and drive unit composition, and it is characterized in that, described classifying screen is provided with the first plastid and the second plastid, first plastid is connected with the second plastid by linking springs, is connected with drive unit; Sieve plate one end is fixed on the first plastid, and the other end is fixed on the second plastid, and the compass screen surface formed after fixing is in same level, and the direction of vibration of compass screen surface is contrary, and amplitude is different.
Preferably, the first described plastid, the arrangement of the second plastid are divided into arranged in series or are arranged in parallel.
Preferably, the second described plastid is extraneous vibration, and its vibration passes to the second plastid by the first plastid by linking springs, and the second plastid is contrary with the direction of vibration of the first plastid.
Preferably, described sieve plate adopts 65Mn round steel cantilever configuration, is bar screen plate, sieve plate rod interlaced arrangement.
Preferably, described sieve plate is connected in series or in parallel.
Adopt technique scheme, compared with prior art, the adjacent compass screen surface of the incorgruous vibration separation screen of double mass of the present utility model does incorgruous vibration, direction of vibration is contrary, amplitude is different, and sieve plate carries out secondary flutter simultaneously, compass screen surface produces very large active force to material, and effectively eliminate the adhesion of fine moist material to compass screen surface, material loosening is rapid, this classifying screen adopts the incorgruous vibration of double mass to add the secondary vibration principle of elastic rod, it is large that screen(ing) machine has disposal ability, and percent opening is large, and screening efficiency is high, the advantages such as structure is simple, energy-conservation.
Accompanying drawing explanation
fig. 1 isthe structural representation of the utility model arranged in series.
Fig. 2 is the structural representation that the utility model sieve plate is connected in series.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the structural representation that the utility model is arranged in parallel.
Fig. 5 is the structural representation that the utility model sieve plate is connected in parallel.
Fig. 6 is the top view of Fig. 5.
Mark in figure, linking springs 1, the second plastid 2, isolation spring 3, the first plastid 4, drive unit 5, sieve plate 6, grating 7, holder 8.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
The utility model discloses the incorgruous vibration separation screen of a kind of double mass, this classifying screen by the first plastid 4, second plastid 2, sieve plate 6, composition such as transmission device 5 grade.Invention thought of the present utility model is: classifying screen adopts single driving dual-vibration principle, provides two vibrations with a driver: a fundamental vibration (rotating eccentricity block) of the first plastid 4 and an extraneous vibration (float screen frame) of the second plastid 2.In this vibration processes, the bar screen plate be arranged on the first plastid 4 produces incorgruous vibration with the bar screen plate be arranged on the second plastid 2, and sieve plate rod produces secondary flutter in screen(ing) machine vibration processes simultaneously, effectively prevents the blocking of sticky wet fine.
The concrete structure of classifying screen is shown in Fig. 1-Fig. 6.
The utility model adopts double mass, and described double mass refers to that screen(ing) machine has two plastids to participate in vibration, and two plastids have identical excited frequency and amplitude amplitude is unequal.Double mass refers to that the arrangement of the first plastid 4 and the second plastid 2, two plastid is divided into arranged in series and is arranged in parallel.
Fig. 1-Fig. 3 is the structural representation that the utility model first plastid 4 and the second plastid 2 are connected in series.
See Fig. 1, first plastid 4 is connected in series by linking springs 1 and the second plastid 2, first plastid 4 is connected with transmission device 5, sieve plate 6 is separately fixed on the first plastid 4 and the second plastid 2 in order, the compass screen surface of the formation after fixing is in same level, realize compass screen surface horizontal displacement, very large impulsive force is provided, destroy material sticks power.The composition such as the first plastid 4, linking springs 1, second plastid 2, sieve plate 6 arranged in series screen fractionation sieve.See Fig. 2, Fig. 3, sieve plate 6 adopts 65Mn round steel cantilever configuration, is bar screen plate, and rod 7 interlaced arrangement is separately fixed on holder 8.Produce additional secondary flutter when rod 7 vibrates with screen(ing) machine, realize moist fine particulate viscous material free moisture content 7 ~ 14%, partition size is in effective screening of 6 ~ 13mm.
Second plastid 2 is extraneous vibrations, its vibration passes to the second plastid 2 by the first plastid 4 by linking springs 1, and the second plastid 2 is contrary with the direction of vibration of the first plastid 4, amplitude is unequal, can realize instantaneous incorgruous unequal displacement and the dither of sieve plate 6 in vibration processes.Efficiently, high opening rate sieve plate is separately fixed on the first plastid I4 and the second plastid 2, and interlaced arrangement, during vibration, two adjacent sieve plates produce incorgruous vibration and additional secondary flutter.
Fig. 4 is the structural representation that the utility model first plastid 4 and the second plastid 2 are connected in parallel, the structural representation that Fig. 5, Fig. 6 the utility model sieve plate is connected in parallel.
See Fig. 4, plastid 4 is connected in parallel by linking springs 1 and the second plastid 2, first plastid 4 is connected with transmission device 5, sieve plate 6 is separately fixed on the first plastid 4 and the second plastid 2 in order, compass screen surface after fixing is in same level, realize compass screen surface horizontal displacement, very large impulsive force is provided, destroy material sticks power.The composition such as the first plastid 4, linking springs 1, second plastid 2, sieve plate 6 is arranged in parallel screen fractionation sieve.See Fig. 2, Fig. 3, sieve plate 6 adopts 65Mn round steel cantilever configuration, is bar screen plate, and rod 7 interlaced arrangement is separately fixed on holder 8.Produce additional secondary flutter when rod 7 vibrates with screen(ing) machine, realize moist fine particulate viscous material free moisture content 7 ~ 14%, partition size is in effective screening of 6 ~ 13mm.
Second plastid 2 is extraneous vibrations, its vibration passes to the second plastid 2 by the first plastid 4 by linking springs 1, and the second plastid 2 is contrary with the direction of vibration of the first plastid 4, amplitude is unequal, can realize instantaneous incorgruous unequal displacement and the dither of sieve plate 6 in vibration processes.Efficiently, high opening rate sieve plate is separately fixed on the first plastid 4 and the second plastid 2, and interlaced arrangement, during vibration, two adjacent sieve plates produce incorgruous vibration and additional secondary flutter.
A driver of transmission device 5 provides two vibrations and fundamental vibration and extraneous vibration, and fundamental vibration is completed by the first plastid 4, comprises circular motion that single shaft provides and rectilinear motion two kinds of forms of motion that twin shaft provides.
It should be noted that, specific embodiment is limited the utility model never in any form, and any change done according to training centre of the present utility model or replacement, all belong to protection domain of the present utility model.
Claims (5)
1. the incorgruous vibration separation screen of double mass, described classifying screen is primarily of sieve plate, spring and drive unit composition, and it is characterized in that, described classifying screen is provided with the first plastid and the second plastid, first plastid is connected with the second plastid by linking springs, is connected with drive unit; Sieve plate one end is fixed on the first plastid, and the other end is fixed on the second plastid, and the compass screen surface formed after fixing is in same level, and the direction of vibration of compass screen surface is contrary, and amplitude is different.
2. the incorgruous vibration separation screen of double mass according to claim 1, is characterized in that, the first described plastid, the arrangement of the second plastid are divided into arranged in series or are arranged in parallel.
3. the incorgruous vibration separation screen of double mass according to claim 1 and 2, it is characterized in that, the second described plastid is extraneous vibration, and its vibration passes to the second plastid by the first plastid by linking springs, and the second plastid is contrary with the direction of vibration of the first plastid.
4. the incorgruous vibration separation screen of double mass according to claim 1, is characterized in that, described sieve plate adopts 65Mn round steel cantilever configuration, is bar screen plate, rod interlaced arrangement.
5. incorgruous vibration separation screen according to claim 1, is characterized in that, described sieve plate is connected in series or in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420587596.5U CN204074496U (en) | 2014-10-13 | 2014-10-13 | The incorgruous vibration separation screen of double mass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420587596.5U CN204074496U (en) | 2014-10-13 | 2014-10-13 | The incorgruous vibration separation screen of double mass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204074496U true CN204074496U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420587596.5U Expired - Fee Related CN204074496U (en) | 2014-10-13 | 2014-10-13 | The incorgruous vibration separation screen of double mass |
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| CN (1) | CN204074496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226587A (en) * | 2014-10-13 | 2014-12-24 | 中煤科工集团唐山研究院有限公司 | Double-plastid different-direction vibration classification screen |
-
2014
- 2014-10-13 CN CN201420587596.5U patent/CN204074496U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226587A (en) * | 2014-10-13 | 2014-12-24 | 中煤科工集团唐山研究院有限公司 | Double-plastid different-direction vibration classification screen |
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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: 20150107 Termination date: 20171013 |
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| CF01 | Termination of patent right due to non-payment of annual fee |