CN1557571A - Multilayer coaxial rotating sieve - Google Patents
Multilayer coaxial rotating sieve Download PDFInfo
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- CN1557571A CN1557571A CNA2004100161372A CN200410016137A CN1557571A CN 1557571 A CN1557571 A CN 1557571A CN A2004100161372 A CNA2004100161372 A CN A2004100161372A CN 200410016137 A CN200410016137 A CN 200410016137A CN 1557571 A CN1557571 A CN 1557571A
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- screen cloth
- screen
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- sieve
- multilayer
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Abstract
The present invention belongs to the field of material screening machinery, and is one kind of multi-layer coaxial rotary sieve for screening metallurgical slag. The multi-layer coaxial rotary sieve includes a multi-layer coaxial cylindrical screen rotating around one shaft inside the outer tank, with the screen layers having gradually increased diameters and gradually decreased mesh size; an outer tank with one material inlet in the top and several material outlets corresponding to different screen layers in the bottom; spiral pushing boards inside the screen layers with size matching the diameter of the cylindrical frame separately; and screen fixing rack to connect the screen layers and to connect the spiral pushing boards. The present invention may be used in screening metallurgical slag into several grades of different sizes.
Description
Technical field
The invention belongs to material sorting processing equipment field, relate to a kind of roto-siofter that is used to sieve metallurgical slag.
Background technology
Traditional multi-stage screening equipment mainly contains forms such as multilayer planar sieve, the round sieve that shakes, its version is the Planar Compound body, because its screening face is little, and with the vibration is power source, has caused big, the easy dust pollution environment of gradation sizing noise, and efficient is low, energy consumption is big, simultaneously, its structure to equipment also has certain harm, shows that generally the screen cloth of vibratory sieve is fragile, structure weld seam fatiguability, bursts.And the individual layer roto-siofter makes most of material be in all the time in the process that repeats to sieve owing to be to adopt to sieve mode continuously by thick and thin segmentation, thereby exists defectives such as screen cloth is fragile, screening efficiency is low, screening is not thorough always.Application number is 90208647, the authorization notification number is 2067190 Chinese patent, a kind of separating sieve that is used for the mixture of sorting sorghum candy sugar and starch is disclosed, because its screen drum is taper, sieving area is little, therefore screening efficiency is low, and the processing of screen cloth and replacing all can not adapt to the sorting requirement of metallurgical slag.
Summary of the invention
For overcoming the deficiency of metallurgical slag screening plant in the prior art, the invention provides a kind of multilayer coaxial rotating sieve, with realize to metallurgical slag from inside to outside, by thick and thin multilayer screening, screening quality and screening efficiency are obviously improved.
The technical solution adopted for the present invention to solve the technical problems is: a kind of multilayer coaxial rotating sieve, comprise the shell staving, charging aperture, discharging opening, screen cloth and gyroaxis thereof, its substantive distinguishing features is: the described screen cloth that is arranged in the shell staving is around the rotating multi-layer cylinder shape of same rotating shaft screen cloth, the top of described shell staving one end is provided with a charging aperture corresponding to the innermost layer screen cloth, the other end of shell staving or its bottom are respectively equipped with and the corresponding a plurality of discharging openings of screen layer, the sieve aperture of every layer of screen cloth is with the expansion successively and from large to small from inside to outside of the diameter of every layer of screen cloth, be provided with the screw propulsion plate that is complementary with the screen frame diameter in every layer of screen cloth, be connected by the screen cloth fixed support between screen cloth and the screen cloth, described screw propulsion plate is located by connecting on the fixed support of screen cloth.
Described multi-layer cylinder shape screen cloth is coaxial different radii and its Justified full circle screen cloth.
As a further improvement on the present invention, every layer of cylindrical screen is assembled by several pieces the detachable circular arc screen clothes along its circumference five equilibrium, described multilayer screen cloth aligns with the corresponding end of charging aperture, another successively shortens from inside to outside with the length of the corresponding end of discharging opening, and two long limits of every circular arc screen cloth are bolted in respectively on the screen cloth assembly unit liner plate on the screen cloth internal chamber wall by its bent frame.
The top of described shell staving is provided with a dust collecting opening.
Compared with prior art, the present invention has the following advantages:
1, because the present invention be the multilayer roto-siofter, and the other end of its shell staving or its bottom is provided with a plurality of discharging openings respectively, therefore only needs once sieve, and just can sub-elect the metallurgical slag pellet of multiple different size, and the efficiency of separation increases substantially.
2, adopt by slightly and carefully, the mode of screening step by step, improved the specific aim of screening greatly, avoided the screening that repeats of a large amount of materials, reduced the wear rate of screen cloth, improved operating efficiency.
3, every layer of screen cloth is arranged to detachable and assembled, is convenient to maintenance and changes, reduced screen cloth consumption, reduced production cost by the identical circular arc screen cloth of multi-disc.
4, shell staving of the present invention is designed to closed, and at its top one dust collecting opening is set, the dust collecting opening place connects a control of dust airduct, has avoided the appearance of airborne dust effectively, and is very favourable to the environmental protection at scene.
5, a screw propulsion plate is set respectively on the internal chamber wall of every layer of screen cloth tubular framework, had both increased the rigidity of framework and the tensile force of screen cloth, again the screening raw material has been played the guiding progradation, make screening effect reach the best.
6, screen cloth is set to cylindrical form, compares with cone barrel screen cloth of the prior art, can select the standard screen net for use, and screen frame can be exchanged, and helps producing purchasing of spare part and deposits.
Description of drawings
Fig. 1 is the structural representation of multilayer coaxial rotating sieve of the present invention;
Fig. 2 is the length direction structural representation of innermost layer cylindrical screen among Fig. 1;
Fig. 3 is the diametric(al) structural representation of innermost layer cylindrical screen among Fig. 2.
Among the figure, 1, dust collecting opening, 2, rotating shaft, 3, the shell staving, 4, the multilayer screen cloth, 4-1, innermost layer screen cloth, 5, charging aperture, 6, discharging opening, 7, the screw propulsion plate, 8, the screen cloth fixed support, 9, bolt, 10, screen cloth assembly unit liner plate.
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
As Fig. 1,2, a kind of multilayer coaxial rotating sieve shown in 3, comprise shell staving 3, charging aperture 5, discharging opening 6, screen cloth and rotating shaft 2 thereof, the described screen cloth that is arranged in the shell staving 3 is around same rotating shaft 2 rotating multi-layer cylinder shape screen clothes 4, the top of shell staving 3 one ends is provided with a charging aperture 5 corresponding to innermost layer screen cloth 4-1, the other end of shell staving 3 or its bottom are respectively equipped with and the corresponding a plurality of discharging openings 6 of screen layer, the sieve aperture of every layer of screen cloth is with the expansion successively and from large to small from inside to outside of the diameter of every layer of screen cloth, be provided with the screw propulsion plate 7 that is complementary with the screen frame diameter in every layer of screen cloth, be connected by screen cloth fixed support 8 between screen cloth and the screen cloth, described screw propulsion plate 7 is located by connecting on the fixed support 8 of screen cloth.
Multi-layer cylinder shape screen cloth 4 of the present invention, can be coaxial different radii and its Justified full circle screen cloth, also can be that every layer of cylindrical screen is assembled by several pieces the detachable circular arc screen clothes along its circumference five equilibrium, described multilayer screen cloth 4 aligns with charging aperture 5 corresponding ends, another successively shortens from inside to outside with the length of discharging opening 6 corresponding ends, and two long limits of every circular arc screen cloth are bolted in respectively on the screen cloth assembly unit liner plate 10 on its internal chamber wall by its bent frame.
Embodiment shown in Figure 1, for being used for the multilayer coaxial rotating sieve of slag molding sand sorting production process, its multilayer screen cloth 4 is set to four layers, every layer of cylindrical screen aligns with charging aperture 5 corresponding ends, another successively shortens from inside to outside with the length of discharging opening 6 corresponding ends, on the screen cloth disc of its alignment end, also be provided with a hollow circular baffle plate (not drawing among the figure), fall into to other screen layer or shell staving to prevent the metallurgical slag raw material.Shown in Fig. 2,3, every layer of screen cloth is assembled by two detachable semicircular arc screen clothes along its circumference five equilibrium, and two long limits of every semicircular arc screen cloth are bolted in respectively on the screen cloth assembly unit liner plate 10 on its internal chamber wall by its half bent frame (not drawing among the figure).The fixed support 8 of innermost layer screen cloth 4-1, one end are fixed on the rotating shaft 2, and the other end is connected with the fixed support 8 of following one deck screen cloth.The top of shell staving 3 one ends is provided with a charging aperture 5 corresponding to innermost layer screen cloth 4-1, and the bottom of shell staving 3 is respectively equipped with and corresponding five discharging openings 6 of screen layer.In case screen cloth occurs damaged, only need bolt 9 is pulled down, change wherein a slice or two semicircular arc screen clothes and need not be, thereby reduced the consumption of screen cloth its whole replacings, shortened the replacing time of screen cloth, improved operating efficiency.
To be fed through on the innermost layer screen cloth 4-1 of roto-siofter from charging aperture 5 through the slag molding sand raw material of screening, behind the actuating motor, rotating shaft 2 drives multilayer screen cloth 4 revolution simultaneously, slag molding sand raw material is sieved, by means of the support of 7 pairs of screen clothes of screw propulsion plate with to the guiding progradation of slag molding sand raw material, screening step by step by 4 pairs of slag molding sand of multi-layer cylinder shape screen cloth raw material, the final slag molding sand pellet that has just formed five kinds of different-grain diameters is discharged from five discharging openings 6 of shell staving 3 bottoms respectively.Thereby realized only needing once screening just can sub-elect the purpose of multiple different size slag molding sand pellet, the efficiency of separation is increased substantially.
Consider in the process of dry metallurgical slag being carried and sieving and to produce a large amount of airborne dusts, cause pollution to environment, simultaneously, also can make the quality of carrying a small amount of powder ash secretly in the pellet of sieve back and influencing product, therefore, end near charging aperture 5 is provided with a dust collecting opening 1 at the top of shell staving 3 in the present invention, and at dust collecting opening 1 place one control of dust airduct (not drawing among the figure) is set, and the specific area of collecting by the control of dust airduct is greater than 200kg/m
2Airborne dust, also can be directly processing raw material as other products.
Occur reverse flow for fear of metallurgical slag in the process that is sized, dust collecting opening 1 also can be arranged at the other end at shell staving 3 tops.
Claims (5)
1, a kind of multilayer coaxial rotating sieve, comprise the shell staving, charging aperture, discharging opening, rotating shaft, screen cloth and screen frame, it is characterized in that: the described screen cloth that is arranged in the shell staving is around the rotating multi-layer cylinder shape of same rotating shaft screen cloth, the top of described shell staving one end is provided with a charging aperture corresponding to the innermost layer screen cloth, the other end of shell staving or its bottom are respectively equipped with and the corresponding a plurality of discharging openings of screen layer, the sieve aperture of every layer of screen cloth is with the expansion successively and from large to small from inside to outside of the diameter of every layer of screen cloth, be provided with the screw propulsion plate that is complementary with the screen frame diameter in every layer of screen cloth, be connected by the screen cloth fixed support between screen cloth and the screen cloth, described screw propulsion plate is located by connecting on the fixed support of screen cloth.
2, multilayer coaxial rotating sieve as claimed in claim 1, it is characterized in that: described multi-layer cylinder shape screen cloth is coaxial different radii and its Justified full circle screen cloth.
3, multilayer coaxial rotating sieve as claimed in claim 1, it is characterized in that: every layer of cylindrical screen is assembled by several pieces the detachable circular arc screen clothes along its circumference five equilibrium, described multilayer screen cloth aligns with the corresponding end of charging aperture, another successively shortens from inside to outside with the length of the corresponding end of discharging opening, and two long limits of every circular arc screen cloth are bolted in respectively on the screen cloth assembly unit liner plate on the screen cloth internal chamber wall by its bent frame.
4, as claim 1 or 3 described multilayer coaxial rotating sieves, it is characterized in that: described screen cloth is four layers, the bottom of shell staving is respectively equipped with and corresponding five discharging openings of screen layer, every layer of screen cloth is assembled by two detachable semicircular arc screen clothes along its circumference five equilibrium, described four layers of screen cloth align with the corresponding end of charging aperture, and another successively shortens from inside to outside with the length of the corresponding end of discharging opening.
5, multilayer coaxial rotating sieve as claimed in claim 1, it is characterized in that: the top of described shell staving is provided with a dust collecting opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100161372A CN1557571A (en) | 2004-02-06 | 2004-02-06 | Multilayer coaxial rotating sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100161372A CN1557571A (en) | 2004-02-06 | 2004-02-06 | Multilayer coaxial rotating sieve |
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| Publication Number | Publication Date |
|---|---|
| CN1557571A true CN1557571A (en) | 2004-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2004100161372A Pending CN1557571A (en) | 2004-02-06 | 2004-02-06 | Multilayer coaxial rotating sieve |
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| CN (1) | CN1557571A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406265A (en) * | 2013-07-31 | 2013-11-27 | 鞍钢集团矿业公司 | Rotatable ore pulp slag removing device |
| CN104438040A (en) * | 2014-12-21 | 2015-03-25 | 遵义联谷农业科技有限公司 | Organic fertilizer roller screening device |
| CN104707775A (en) * | 2015-02-28 | 2015-06-17 | 长安大学 | Drum-type convenient and fast aggregate screening device |
| CN104941800A (en) * | 2015-05-25 | 2015-09-30 | 绥阳县华夏陶瓷有限责任公司 | Filtering iron removal device for slurry |
| CN105107713A (en) * | 2015-09-02 | 2015-12-02 | 三峡大学 | Movable roller type multi-size-fraction soil screening device and using method thereof |
| CN105921393A (en) * | 2016-05-07 | 2016-09-07 | 张小林 | Multistage circular sieve machine |
| CN106984448A (en) * | 2017-05-27 | 2017-07-28 | 武汉科技大学 | A kind of use for laboratory waterpower spiral screen and waterpower spiral screen system |
| CN108554614A (en) * | 2018-05-15 | 2018-09-21 | 江苏振强机械科技股份有限公司 | A kind of Multifunctional screening device |
| CN108672262A (en) * | 2018-05-15 | 2018-10-19 | 江苏振强机械科技股份有限公司 | A kind of multistage screening plant can be used for ore |
-
2004
- 2004-02-06 CN CNA2004100161372A patent/CN1557571A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406265A (en) * | 2013-07-31 | 2013-11-27 | 鞍钢集团矿业公司 | Rotatable ore pulp slag removing device |
| CN103406265B (en) * | 2013-07-31 | 2015-03-11 | 鞍钢集团矿业公司 | Rotatable ore pulp slag removing device |
| CN104438040A (en) * | 2014-12-21 | 2015-03-25 | 遵义联谷农业科技有限公司 | Organic fertilizer roller screening device |
| CN104707775A (en) * | 2015-02-28 | 2015-06-17 | 长安大学 | Drum-type convenient and fast aggregate screening device |
| CN104707775B (en) * | 2015-02-28 | 2016-08-24 | 长安大学 | A kind of drum-type convenient collection screening separator |
| CN104941800A (en) * | 2015-05-25 | 2015-09-30 | 绥阳县华夏陶瓷有限责任公司 | Filtering iron removal device for slurry |
| CN105107713A (en) * | 2015-09-02 | 2015-12-02 | 三峡大学 | Movable roller type multi-size-fraction soil screening device and using method thereof |
| CN105921393A (en) * | 2016-05-07 | 2016-09-07 | 张小林 | Multistage circular sieve machine |
| CN105921393B (en) * | 2016-05-07 | 2018-07-10 | 王静静 | A kind of multistage circular screening machine |
| CN106984448A (en) * | 2017-05-27 | 2017-07-28 | 武汉科技大学 | A kind of use for laboratory waterpower spiral screen and waterpower spiral screen system |
| CN108554614A (en) * | 2018-05-15 | 2018-09-21 | 江苏振强机械科技股份有限公司 | A kind of Multifunctional screening device |
| CN108672262A (en) * | 2018-05-15 | 2018-10-19 | 江苏振强机械科技股份有限公司 | A kind of multistage screening plant can be used for ore |
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