CN207170237U - A kind of vibratory sieve for significantly improving sieve life-span and screening effect - Google Patents
A kind of vibratory sieve for significantly improving sieve life-span and screening effect Download PDFInfo
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- CN207170237U CN207170237U CN201720982786.0U CN201720982786U CN207170237U CN 207170237 U CN207170237 U CN 207170237U CN 201720982786 U CN201720982786 U CN 201720982786U CN 207170237 U CN207170237 U CN 207170237U
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- sieve
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Abstract
The utility model discloses a kind of vibratory sieve for significantly improving sieve life-span and screening effect, including sifting bed, sieve, sieve is arranged at sifting bed upper end and is in tilted layout, also include deflector, deflector is in inverted " v " structure, and deflector is arranged at the lower section of batcher discharging point on the upside of the sieve being in tilted layout.The utility model sets the deflector of inverted " v " structure on the upside of the sieve of vibratory sieve, the stream for making to fall into screen cloth is by redistribution, stream is no longer that the overwhelming majority moves downward along in the middle part of sieve under gravity and effect of inertia on screen cloth, but strengthen the motion and distribution to both sides in the presence of deflector, the horizontal bed of material of sieve is set to be evenly distributed, material is at utmost set to be uniformly distributed in whole sieve, give full play to the effect of each grating, not only screening efficiency is higher, powder screens out cleaner, and the abrasion of sieve is very uniform, extend the service life of sieve, with simple and reliable for structure, screening effect is good, the characteristics of sieve long lifespan.
Description
Technical field
The utility model belongs to blast furnace ironmaking equipment technical field, and in particular to a kind of simple and reliable for structure, screening effect
The good, vibratory sieve for significantly improving sieve life-span and screening effect of sieve long lifespan.
Background technology
At present in blast furnace iron-making process, under groove the screening of crude fuel be together highly important process, vibrating screen under groove
Must play can screen out crude fuel powder as far as possible clean effect, and otherwise excessive powder enters in State of Blast Furnace and easily drawn
The unstable or even not normal of blast furnace air-flow is played, in the special working of a furnace it could even be possible to causing Blast Furnace Wall Liner Thickening, dross, is destroyed high
The normal production of stove, reduce the economic and technical norms of blast furnace and shorten the life of the blast furnace.And vibrating screen under groove is wanted to screen out as far as possible
Powder, it is relevant with the delivery rate of batcher, it is relevant with the design form, amplitude, frequency of vibratory sieve, these be all designer and
The problem of producer emphasis considers, but furnace charge being evenly distributed but without special design, especially production year on the vibrating
For older sieve, its width is wider, and far beyond the width of batcher feed opening, therefore stream is mainly distributed on sieve
The middle position of compass screen surface, the sieve area of only middle section 70% or so is caused to serve the effect of screening, and the compass screen surface of both sides
Actual to play a part of how much sieving, this causes center section rapid wear and will changed during also intact both sides
Sieve, effect and the life-span for both not fully playing screening are also short.Although noticed in recent years in the design of vibratory sieve
This problem, the development of sieve develop to the direction to narrow, but still it is more, thick thoroughly to solve middle material, and both sides are expected
Less, the problem of thin.In addition, it is generally the case that the width of vibratory sieve is bigger, and disposal ability is stronger.Therefore, although sieve is narrowed
Subproblem is can solve the problem that, but causes disposal ability to reduce.Although carried out in addition, also having in the structures such as batcher, material inlet
Improve, to attempt to overcome the shortcomings of that feed concentrates on middle part on the compass screen surface of vibratory sieve, but it is not only complicated, and can only fit
The vibratory sieve of width should be corresponded to, flexibility is poor.Therefore it is horizontal to develop a kind of irregular stream that batcher can be enable to fall
To being evenly distributed in sieve, make sieve work uniform, the guiding device for improving screening effect is the key for solving this problem.
Utility model content
The purpose of this utility model be to provide it is a kind of it is simple and reliable for structure, screening effect is good, sieve long lifespan it is notable
Improve the vibratory sieve of sieve life-span and screening effect.
What the purpose of this utility model was realized in：Including sifting bed, sieve, the sieve is arranged at sifting bed upper end and inclined
Tiltedly arrangement, in addition to deflector, the deflector are in inverted " v " structure, the deflector is arranged in the sieve being in tilted layout
The lower section of side batcher discharging point.
The utility model sets the deflector of inverted " v " structure on the upside of the sieve of vibratory sieve, makes the stream for falling into screen cloth
By redistribution, stream is no longer that the overwhelming majority moves downward along in the middle part of sieve under gravity and effect of inertia on screen cloth,
But strengthen the motion and distribution to both sides in the presence of deflector, the horizontal bed of material of sieve is evenly distributed, at utmost
Material is uniformly distributed in whole sieve, give full play to the effect of each grating, not only screening efficiency is higher, and powder screens out
It is more clean, and the abrasion of sieve is very uniform, extends the service life of sieve.Therefore, the utility model has structure simple
The characteristics of single reliable, screening effect is good, sieve long lifespan.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
In figure：1- sifting beds, 2- sieves, 3- deflectors.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples, but not in any way to this practicality
Any changes and modifications that are new to be any limitation as, being made based on the utility model training centre, belong to protection model of the present utility model
Enclose.
As shown in figure 1, the utility model includes sifting bed 1, sieve 2, the sieve 2 is arranged at the upper end of sifting bed 1 and tilts cloth
Put, in addition to deflector 3, the deflector 3 are in inverted " v " structure, the deflector 3 is arranged in the sieve 2 being in tilted layout
Below the batcher discharging point of side.
The deflector 3 and sieve 2 are wide.
The deflector 3 is vertically fixedly installed on sieve 2.
The angle steel or T steel that the deflector 3 is fixedly connected by bottom with sieve 2 are formed.
The bottom of the deflector 3 rivets with sieve 2, bolt connection or welding.
The inverted " v " structure height of the deflector 3 gradually reduces from middle part to both sides.
The inverted " v " structure middle height of the deflector 3 is 2~5cm and both sides least significant end is highly 0.3~1cm.
The inverted " v " structure angle of the deflector 3 is 120~160 °.
It is provided with least two layers of screen cloth on the sifting bed 1, each layer of screen cloth on the sifting bed 1 is at least provided with a piece of sieve
Piece.
Along inclined direction at least provided with a deflector 3 on each layer of screen cloth on the sifting bed 1, the sifting bed 1
Deflector 3 is at least provided with multilayer screen cloth on the superiors' screen cloth.
Utility model works principle and the course of work：
The utility model sets the deflector of inverted " v " structure on the upside of the sieve of vibratory sieve, makes the stream for falling into screen cloth
By redistribution, stream is no longer that the overwhelming majority moves downward along in the middle part of sieve under gravity and effect of inertia on screen cloth,
But strengthen the motion and distribution to both sides in the presence of deflector, the horizontal bed of material of sieve is evenly distributed, at utmost
Material is uniformly distributed in whole sieve, give full play to the effect of each grating, not only screening efficiency is higher, and powder screens out
It is more clean, and the abrasion of sieve is very uniform, extends the service life of sieve.The particularly inverted " v " structure of deflector
Height gradually reduces from middle part to both sides so that batcher stream is stopped along hypotenuse to both sides after falling by deflector vertical plane transports
It is dynamic, crossed after the bed of material to certain thickness and be facing perpendicularly to lower sieving, because the bed of material of centre is thick, vertical barrier face is high, the both sides bed of material
Thin vertical barrier face is low, and the bed of material is to cross blocking surface together in time after water conservancy diversion, it ensure that the one of bed of material thickness
Cause, also ensure that charge level in the consistent of cross direction profiles.In summary, the utility model has simple and reliable for structure, screening effect
Well, the characteristics of sieve long lifespan.
As shown in figure 1, the batcher stream that deflector 3 is welded on the top sieve 2 of upper screen by angle steel bottom falls
After point, each layer of screen cloth is arranged by more than one piece sieve 2 along stream moving direction.Stream is fed the upper end sieve of screen cloth by batcher
2 front end of deflector 3, stream glide and stopped by the vertical plane of deflector 3, then along the hypotenuse of deflector 3 to two lateral movements, expect
Layer is stacked into sieving under being facing perpendicularly to that deflector 3 is crossed after certain thickness, ensure that the thickness of the bed of material is consistent on screen cloth, also protects
Charge level has been demonstrate,proved in the consistent of cross direction profiles.Meanwhile the material of sieve 2 on the lower screen of sifting bed 1 due to be upper screen sieve under
Thing, as long as therefore the material of upper screen be evenly distributed, the burden distribution in lower screen sieve 2 be also it is substantially uniform, so as to
So that Vibration Screen component efficiency is higher, powder screens out more totally, and the abrasion of sieve is very uniform, extends the use of sieve
Life-span.
Claims (10)
1. a kind of vibratory sieve for significantly improving sieve life-span and screening effect, including sifting bed（1）, sieve（2）, the sieve（2）
It is arranged at sifting bed（1）Upper end and it is in tilted layout, it is characterised in that also including deflector（3）, the deflector（3）In inverted " v "
Structure, the deflector（3）It is arranged at the sieve being in tilted layout（2）The lower section of upside batcher discharging point.
2. the vibratory sieve of sieve life-span and screening effect is significantly improved according to claim 1, it is characterised in that the water conservancy diversion
Plate（3）With sieve（2）It is wide.
3. the vibratory sieve of sieve life-span and screening effect is significantly improved according to claim 1, it is characterised in that the water conservancy diversion
Plate（3）Vertically it is fixedly installed on sieve（2）.
4. the vibratory sieve of sieve life-span and screening effect is significantly improved according to claim 3, it is characterised in that the water conservancy diversion
Plate（3）By bottom and sieve（2）The angle steel or T steel being fixedly connected are formed.
5. the vibratory sieve of sieve life-span and screening effect is significantly improved according to claim 4, it is characterised in that the water conservancy diversion
Plate（3）Bottom and sieve（2）Riveting, bolt connection or welding.
6. significantly improving the vibratory sieve of sieve life-span and screening effect according to claim 1 to 5 any one, its feature exists
In the deflector（3）Inverted " v " structure height gradually reduced from middle part to both sides.
7. the vibratory sieve of sieve life-span and screening effect is significantly improved according to claim 6, it is characterised in that the water conservancy diversion
Plate（3）Inverted " v " structure middle height be 2~5cm and both sides least significant end is highly 0.3~1cm.
8. significantly improving the vibratory sieve of sieve life-span and screening effect according to claim 1 to 5 any one, its feature exists
In the deflector（3）Inverted " v " structure angle be 120~160 °.
9. significantly improving the vibratory sieve of sieve life-span and screening effect according to claim 1 to 5 any one, its feature exists
In the sifting bed（1）On be provided with least two layers of screen cloth, the sifting bed（1）On each layer of screen cloth at least provided with a piece of sieve
Piece.
10. the vibratory sieve of sieve life-span and screening effect is significantly improved according to claim 9, it is characterised in that the sifting bed
（1）On each layer of screen cloth on along inclined direction at least provided with a deflector（3）, the sifting bed（1）Multilayer screen cloth on
At least deflector is provided with the superiors' screen cloth（3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720982786.0U CN207170237U (en) | 2017-08-08 | 2017-08-08 | A kind of vibratory sieve for significantly improving sieve life-span and screening effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720982786.0U CN207170237U (en) | 2017-08-08 | 2017-08-08 | A kind of vibratory sieve for significantly improving sieve life-span and screening effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207170237U true CN207170237U (en) | 2018-04-03 |
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ID=61745471
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720982786.0U Active CN207170237U (en) | 2017-08-08 | 2017-08-08 | A kind of vibratory sieve for significantly improving sieve life-span and screening effect |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210257A (en) * | 2021-05-13 | 2021-08-06 | 新疆八一钢铁股份有限公司 | Full-width feeding control method for sintering ore screening machine |
| CN115853451A (en) * | 2022-12-31 | 2023-03-28 | 河南中正石油起重机械有限公司 | Novel negative pressure vibrating screen |
-
2017
- 2017-08-08 CN CN201720982786.0U patent/CN207170237U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210257A (en) * | 2021-05-13 | 2021-08-06 | 新疆八一钢铁股份有限公司 | Full-width feeding control method for sintering ore screening machine |
| CN115853451A (en) * | 2022-12-31 | 2023-03-28 | 河南中正石油起重机械有限公司 | Novel negative pressure vibrating screen |
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