CN205413634U - Fine particle grading system - Google Patents
Fine particle grading system Download PDFInfo
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- CN205413634U CN205413634U CN201620152152.8U CN201620152152U CN205413634U CN 205413634 U CN205413634 U CN 205413634U CN 201620152152 U CN201620152152 U CN 201620152152U CN 205413634 U CN205413634 U CN 205413634U
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Abstract
The utility model discloses a fine particle grading system, it is structural including boiling formula winnowing equipment and rocking sieve, boiling formula winnowing equipment's air intake connection air -blower, the air outlet is connected the sack and is gone out the dirt ware, and wherein, a rocking sieve be double -deck screen mesh structure, after two -layer screen cloth sieves: elementary discharge gate of rocking sieve flow qualified material I, qualified material II and screening coarse grain material, after no. Two two -layer screen clothes of rocking sieve screenings: hierarchical purpose is realized to the elementary discharge gate of no. Two rocking sieves flow qualified material III, qualified material IV and dust, waste material. The utility model discloses at first adopt boiling formula winnowing equipment to being presorted the level by the sieve granule, near target particle size, separate " easy sieve " granule with " hindrance " granule, then sieve it respectively. To two kinds of different range of size's granule, all effectively increased its granule proportion through correspond screen cloth sieve mesh, make the productivity ratio of sieve improve rapidly.
Description
Technical field
This utility model relates to a set of subparticle hierarchy system equipment, and especially fine powder pottery classifying equipoment, belongs to power production equipment technical field.
Background technology
One key factor of the finished product screening always restriction powder pottery yield of fine haydite (emphasis, for the haydite of 70/140 mesh specification that is 106 to 212 microns, is commonly called as powder pottery).The haydite particles particle diameter of actual production is concentrated mainly in 75 to 300 micrometer ranges, when using traditional (such as: straight line rotary screen, circular impact screen, the swing sieve that shakes), different pore size, multi-tier arrangement bushing screen haydite sieve classification equipment, it is easily generated the problems such as clogging, and existence yields poorly, screen cloth short, frequent replacing in service life.Wherein grading effect is bad, and reason is, the particle diameter haydite particle diameter less than 125 microns is little, easily blocks screen cloth, uses screen cloth screen analysis separation efficiency low.
Utility model content
The purpose of this utility model is to provide a kind of subparticle hierarchy system, is used for the susceptible to plugging problem of screen cloth in existing screening mode that solves, and wherein the subparticle particle diameter described in this utility model is concentrated mainly in 75 to 300 micrometer ranges.
The technical scheme in the invention for solving the technical problem is:
A kind of subparticle hierarchy system, structure includes
Boiling type pneumatic separator, the air inlet of described boiling type pneumatic separator connects aerator, and for air blast, air outlet connects cloth bag dust-releasing device；The outlet of described sack cleaner connects air-introduced machine, and the discharging opening connection two of described sack cleaner is rocking sieve；
No. one is rocking sieve, and rocking sieve charging aperture connects the discharging opening of boiling type pneumatic separator, described No. one rocking sieve for Double-layer screen structure, through two layer screen mesh screen divides after:
A number rocking sieve primary discharging opening flows out qualified material I, and the grain diameter specification of qualified material I is at 106 microns-150 microns；
A number rocking sieve intermediate discharging opening flows out qualified material II, and the grain diameter specification of qualified material II is at 150 microns-212 microns；
A number rocking sieve whole level discharging opening flows out screening coarse granule material, and the grain diameter specification of screening coarse granule material is at 212 microns-300 microns；
Described No. two rocking sieve for Double-layer screen structure, after No. two rocking sieve two layer screen mesh screens divide:
No. two rocking sieve primary discharging openings flow out qualified material III, and the grain diameter specification of qualified material III is at 150 microns-106 microns；
No. two rocking sieve intermediate discharging openings flow out qualified material IV, and the grain diameter specification of qualified material IV is at 75 microns-106 microns；
No. two rocking sieve whole level discharging openings flow out the grain diameter of dust and waste material, dust and waste material less than 75 microns.
Further, the blast of described aerator, air quantity can be regulated by converter, and air quantity and the blast of described sack cleaner can be adjusted by converter by air-introduced machine control, air-introduced machine.
Further, the suction of described air-introduced machine is drawn into the 125 microns of particles below of subparticle particle diameter being in fluidized state in ebullated bed in sack cleaner.
This utility model uses the form that combines with reciprocating gird of boiling type selecting crude drugs with winnower, and the fine powder being first readily able to block sieve aperture is separated with relatively coarse granule, for the follow-up screening efficiency of raising, sieve pore blockade is reduced or eliminated and prolongation sieve lays the first stone service life.
Compared with prior art, this utility model solves problems with, has the advantages that
1) this utility model carries out pre-classification initially with boiling type pneumatic separator to by sieve granule, near target particle size, " easily sieve " granule is separated with " obstruction " granule, then it is sieved respectively.For the granule of two kinds of different size scopes, all effectively increase its particle fraction by corresponding screen mesh, make the productivity ratio of sieve improve rapidly, in other words, in the case of keeping productivity ratio certain, higher screening efficiency can be obtained.
2) when equipment normally works, owing to using cyclone classified and bag-type dust equipment, under the effect of equipment air-introduced machine, a whole set of screening system equipment is in negative pressure running status, on the one hand, reduce the fine dust adhesion probability at screen cloth twine, on the other hand, effectively prevent dust pollution question in conventional screening plant running, achieve fine haydite the most fine graded for thicker, thinner, the screening process of micropowder these three particle size range, screening overall process each particle size range product and fine powder can be accomplished that full dose is stored up, efficiently, energy-conservation, environmental protection.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model；
In figure: 1 boiling type pneumatic separator, 11 charging apertures, 12 discharging openings, 2 aerators, 3 sack cleaners, 4 air-introduced machines, 51 No. one rocking sieve, and 52 No. two are waved.
Detailed description of the invention
As it is shown in figure 1, technical scheme is explained as follows by the form being combined with reciprocating gird with boiling type selecting crude drugs with winnower.
Main body is boiling type pneumatic separator, and the air inlet (being positioned at bottom) of described boiling type pneumatic separator 1 connects aerator 2, and air outlet (being positioned at top) connects cloth bag dust-releasing device 3.The blast of aerator 1, air quantity can be regulated by converter, and air quantity and the blast of sack cleaner 3 are controlled by air-introduced machine 4, and air-introduced machine can be adjusted by converter.
The diameter range of fine granules it is pumped by the frequency conversion and air-introduced machine 4 VFC regulating aerator 2.The subparticle needing classification is added by the charging aperture 11 (being positioned at above side) of boiling type pneumatic separator 1.Aerator 2 is blown into the air with certain pressure and is blown afloat from bottom to top by material and present fluidized state, most of particle diameter in the granule suspended in " seething with excitement " is taken away by sack cleaner 3 equipment being connected with air-introduced machine 125 microns of particles below, and in material, major part grain diameter granule more than 125 microns is then exited into No. one rocking sieve 51 by boiling type pneumatic separator discharging opening 12 (being positioned at middle and lower part).Boiling type pneumatic separator 1 Main Function is in the classification of particle diameter about 125 microns to subparticle.Subparticle hierarchical objectives particle diameter can be changed by regulation aerator and air-introduced machine frequency conversion size.Boiling type pneumatic separator is the most important equipment improving subparticle classification efficiency in 1 this kind of subparticle hierarchy system.
The import of described sack cleaner 3 connects boiling type pneumatic separator air outlet, and outlet connects air-introduced machine 4.By the suction of air-introduced machine, the 125 microns of particles below of subparticle particle diameter being in fluidized state in ebullated bed are drawn in cleaner unit.In cleaner unit, cloth bag plays the effect filtering granule, and its discharging opening connects No. two rocking sieve 52.
Described rocking sieve 51 equipment, charging aperture connects the discharging opening of boiling type pneumatic separator.Through the granule that most of grain diameter of boiling type selecting crude drugs with winnower process is more than 125 microns, enter a rocking sieve equipment through a rocking sieve equipment charging aperture.
Above-mentioned rocking sieve for Double-layer screen structure, after two layer screen mesh screen divides:
Number rocking sieve 51 primary discharging openings flow out qualified material I.The grain diameter specification of qualified material I is at 106 microns-150 microns；
The intermediate discharging opening of No. one rocking sieve 51 flows out qualified material II, and the grain diameter specification of qualified material II is at 150 microns-212 microns；
The whole level discharging opening of No. one rocking sieve 51 flows out screening coarse granule material, and the grain diameter specification of screening coarse granule material is at 212 microns-300 microns.
A number rocking sieve effect is mainly screen analysis grain diameter subparticle more than 125 microns.Because the grain diameter subparticle more than 125 microns is main specifications product, output demand amount is high.According to the feature with rocking sieve screen analysis subparticle, grain diameter is the biggest, and screen analysis efficiency is the highest.Use the rocking sieve subparticle to grain diameter more than 125 microns to carry out classification, the requirement of high efficiency classification can be met.
Described No. two discharging openings waving 52 sieve charging apertures connection bag-type dust equipment.The major part grain diameter granule less than 125 microns is after No. two rocking sieve two layer screen mesh screens divide:
The primary discharging opening of No. two rocking sieve 52 flows out qualified material III, and the grain diameter specification of qualified material III is at 150 microns-106 microns；
No. two rocking sieve intermediate discharging openings flow out qualified material IV, and the grain diameter specification of qualified material IV is at 75 microns-106 microns；
No. two rocking sieve whole level discharging openings flow out the grain diameter of dust and waste material, dust and waste material less than 75 microns.
Qualified material III is with the difference of qualified material I: in qualified material I, grain diameter ratio in 125 micron of-150 micrometer range is more than the grain diameter ratio at 106 micron of-125 micrometer range, and in qualified material III, grain diameter ratio in 106 micron of-125 micrometer range is more than the grain diameter ratio at 125 micron of-150 micrometer range.
No. two main gradings of rocking sieve equipment have 2 points: first particle separation diameter granule less than 75 microns and a small amount of dust, and the second particle separation diameter is at the granule of 106 microns-150 microns.Finally giving main specifications granule, particle size range is at 75 microns-106 microns.
In addition to the technical characteristic described in description, it is the known technology of those skilled in the art.
Claims (3)
1. a subparticle hierarchy system, it is characterised in that include
Boiling type pneumatic separator, the air inlet of described boiling type pneumatic separator (1) connects aerator (2), and air outlet connects sack cleaner (3)；The outlet of described sack cleaner (3) connects air-introduced machine (4), and the discharging opening of described sack cleaner connects No. two rocking sieve (52)；
No. one rocking sieve (51), the charging aperture of No. rocking sieve (51) connects the discharging opening of boiling type pneumatic separator, described No. one rocking sieve for Double-layer screen structure, wherein mesh density meets:
No. one rocking sieve (51) primary discharging opening flows out qualified material I, and the grain diameter specification of qualified material I is at 106 microns-150 microns；
The intermediate discharging opening of No. one rocking sieve (51) flows out qualified material II, and the grain diameter specification of qualified material II is at 150 microns-212 microns；
The whole level discharging opening of No. one rocking sieve (51) flows out screening coarse granule material, and the grain diameter specification of screening coarse granule material is at 212 microns-300 microns；
Described No. two rocking sieve for Double-layer screen structure, wherein mesh density meets:
The primary discharging opening of No. two rocking sieve (52) flows out qualified material III, and the grain diameter specification of qualified material III is at 150 microns-106 microns；
No. two rocking sieve intermediate discharging openings flow out qualified material IV, and the grain diameter specification of qualified material IV is at 75 microns-106 microns；
No. two rocking sieve whole level discharging openings flow out the grain diameter of dust and waste material, dust and waste material less than 75 microns.
A kind of subparticle hierarchy system the most according to claim 1, it is characterized in that, the blast of described aerator (2), air quantity can be regulated by converter, air quantity and the blast of described sack cleaner (3) are controlled by air-introduced machine (4), and air-introduced machine can be adjusted by converter.
A kind of subparticle hierarchy system the most according to claim 1, is characterized in that, the suction of described air-introduced machine is drawn into the 125 microns of particles below of subparticle particle diameter being in fluidized state in ebullated bed in sack cleaner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152152.8U CN205413634U (en) | 2016-02-29 | 2016-02-29 | Fine particle grading system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152152.8U CN205413634U (en) | 2016-02-29 | 2016-02-29 | Fine particle grading system |
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| CN205413634U true CN205413634U (en) | 2016-08-03 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106140618A (en) * | 2016-08-08 | 2016-11-23 | 天津市彤泰成科技有限公司 | Novel ceramsite filtrate screening plant |
| CN106299533A (en) * | 2016-11-20 | 2017-01-04 | 安徽英达新能源科技有限公司 | A kind of based lithium-ion battery positive plate secondary utilization method |
| CN107119190A (en) * | 2017-05-16 | 2017-09-01 | 肇庆市东银铝业有限公司 | A kind of grey step cooler of floated aluminium and its technique |
| CN108160479A (en) * | 2018-01-23 | 2018-06-15 | 湘潭大学 | A kind of ultra-fine grain grading plant based on wall attachment effect |
-
2016
- 2016-02-29 CN CN201620152152.8U patent/CN205413634U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106140618A (en) * | 2016-08-08 | 2016-11-23 | 天津市彤泰成科技有限公司 | Novel ceramsite filtrate screening plant |
| CN106299533A (en) * | 2016-11-20 | 2017-01-04 | 安徽英达新能源科技有限公司 | A kind of based lithium-ion battery positive plate secondary utilization method |
| CN107119190A (en) * | 2017-05-16 | 2017-09-01 | 肇庆市东银铝业有限公司 | A kind of grey step cooler of floated aluminium and its technique |
| CN108160479A (en) * | 2018-01-23 | 2018-06-15 | 湘潭大学 | A kind of ultra-fine grain grading plant based on wall attachment effect |
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