CN214487381U - Rotary drum of centrifugal classifier and improved centrifugal classifier - Google Patents
Rotary drum of centrifugal classifier and improved centrifugal classifier Download PDFInfo
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- CN214487381U CN214487381U CN202022407656.9U CN202022407656U CN214487381U CN 214487381 U CN214487381 U CN 214487381U CN 202022407656 U CN202022407656 U CN 202022407656U CN 214487381 U CN214487381 U CN 214487381U
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- rotary drum
- centrifugal classifier
- drum
- material conveying
- conveying sleeve
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Abstract
The utility model discloses a rotary drum of a centrifugal classifier and an improved centrifugal classifier, which comprises an outer rotary drum and a material conveying sleeve coaxially and rotatably arranged in the inner cavity of the outer rotary drum, wherein the outer wall of the material conveying sleeve is provided with helical blades; a feeding pipe is connected in the material conveying sleeve, and at least one liquid passing hole communicated with the inside and the outside of the material conveying sleeve is formed in the material conveying sleeve; a first discharge port and a second discharge port are respectively arranged at two ends of the outer rotating drum along the material pushing direction of the helical blade; the inner cavity of the outer rotating drum is a cylindrical cavity. Compared with the prior art, the utility model discloses the inner chamber that will go outward the drum designs into cylindrical cavity, and the equal footpath helical blade of drum inner chamber matched with is gone outward in setting of adaptability, first discharge gate and second discharge gate all discharge liquid phase or turbid liquid have improved centrifugal classifier's work efficiency.
Description
Technical Field
The utility model relates to a classification equipment technical field, concretely relates to centrifugal classifier's rotary drum and improved generation centrifugal classifier.
Background
A conventional horizontal centrifugal classifier is shown in CN 105728175a, and its rotating roll comprises a straight section and a conical section connected with each other, and the slurry is pressed and dewatered by the conical section. For the grading of minerals, if a large amount of materials need to be processed, the materials are dispersed in water, and if a traditional centrifugal grader with a conical section is adopted, the conveying speed of the materials in the conical section is slow, so that the grading efficiency is influenced.
In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a centrifugal classifier and a rotary drum thereof, which have the features of improving the centrifugal classification efficiency.
In order to achieve the above purpose, the solution of the present invention is:
a rotary drum of a centrifugal classifier comprises an outer rotary drum and a material conveying sleeve coaxially and rotatably arranged in an inner cavity of the outer rotary drum, wherein spiral blades are formed on the outer wall of the material conveying sleeve; a feeding pipe is connected in the material conveying sleeve, and at least one liquid passing hole communicated with the inside and the outside of the material conveying sleeve is formed in the material conveying sleeve; a first discharge port and a second discharge port are respectively arranged at two ends of the outer rotating drum along the material pushing direction of the helical blade; wherein, the inner cavity of the outer rotating drum is a cylindrical cavity.
Furthermore, the liquid passing hole is formed in the middle of the material conveying sleeve.
Furthermore, wear-resistant materials are embedded in the peripheries of the first discharge hole and/or the second discharge hole.
Furthermore, the first discharge hole and/or the second discharge hole are/is provided with an adjusting device for adjusting the size of the discharge opening.
Furthermore, adjusting device is including rotating the connection in the regulation baffle at first discharge gate or second discharge gate edge.
Further, the outer rotating drum is provided with a side wall, a first end plate and a second end plate which are respectively connected to the two ends of the side wall; the pushing direction of the spiral blade is from the first end plate to the second end plate.
Further, the first discharge hole is formed in the first end plate or the side wall of the outer rotating drum close to the second end plate.
Further, the second discharge hole is formed in the second end plate or the side wall of the outer rotating drum close to the second end plate.
The utility model provides an improved generation centrifugal classifier, includes support, rotary drum, differential mechanism and drive arrangement, outer rotary drum rotates to be connected on the support, differential mechanism set up the tip of rotary drum and with outer rotary drum and defeated material muffjoint, drive arrangement passes through differential mechanism and drives outer rotary drum and defeated material muffjoint rotate.
Further, the driving device comprises a driving motor, the differential mechanism comprises a first belt pulley, a second belt pulley and a third belt pulley, the first belt pulley is coaxially and fixedly connected with the outer rotating drum, and the second belt pulley is coaxially and fixedly connected with the material conveying sleeve; the third belt pulley is fixedly connected with an output shaft of the driving motor; the diameter of the second belt pulley is larger than that of the first belt pulley; a first connecting part and a second connecting part which have different diameters are formed on the third belt pulley, and the diameter of the first connecting part is larger than that of the second connecting part; the first connecting portion with first belt pulley passes through first belt and is connected, the second connecting portion with the second belt pulley passes through the second belt and is connected.
After the structure of the oil adding device is adopted, the utility model relates to a rotary drum and improved generation centrifugal classifier of centrifugal classifier, it has following effect at least:
the inner cavity of the outer rotating drum is integrally a cylindrical cavity, so that the defect of difficult discharging caused by a conical section of a traditional centrifugal classifier is overcome. And materials to be classified dispersed in the liquid phase are conveyed into the material conveying sleeve through the feeding pipe, and then conveyed into the outer rotating drum through the liquid passing holes. The outer rotating drum and the material conveying sleeve respectively rotate, so that heavy material turbid liquid is conveyed to the second discharge hole to be discharged, and light material turbid liquid is conveyed to the first discharge hole to be discharged. Thus improving the efficiency of the classification.
Two, through setting up adjusting device, can be convenient adjust the opening size of first discharge gate and second discharge gate. Inlay the wear-resisting material in first discharge gate and second discharge gate, improved the wear resistance of first discharge gate and second discharge gate, prolonged the life of equipment.
And thirdly, through arranging a first belt pulley, a second belt pulley and a third belt pulley, the driving motor drives the third belt pulley to rotate and pass through a first connecting part and a second connecting part on the third belt pulley respectively connected with the first belt pulley and the second belt pulley through a belt. Because the transmission ratios of the two groups of transmission structures formed by the first connecting part and the first belt pulley, the second connecting part and the second belt pulley are different, the rotating speeds of the first belt pulley and the second belt pulley are different, and the differential motion between the outer rotating drum and the material conveying sleeve is realized.
Compared with the prior art, the utility model discloses the inner chamber that will go outward the drum designs into cylindrical cavity, and the equal footpath helical blade of drum inner chamber matched with is gone outward in setting of adaptability, first discharge gate and second discharge gate all discharge liquid phase or turbid liquid have improved centrifugal classifier's work efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is an enlarged schematic view of a portion B in fig. 1.
In the figure:
an outer rotating drum 1; a first end plate 11; a second end plate 12; a side wall 13; a first discharge port 14; a second discharge port 15; an adjustment flap 16;
a material conveying sleeve 2; a helical blade 21; a feed tube 22; a liquid passing hole 23;
a support 3; a first pulley 31; a second pulley 32; a third pulley 33; the first connection portion 331; the second connecting portion 332; the motor 34 is driven.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
As shown in fig. 1 to 3, the rotary drum of the centrifugal classifier according to the present invention comprises an outer rotary drum 1 and a material conveying sleeve 2 coaxially rotatably disposed in an inner cavity of the outer rotary drum 1, wherein helical blades 21 are formed on an outer wall of the material conveying sleeve 2; a feeding pipe 22 is connected in the material conveying sleeve 2, and at least one liquid passing hole 23 communicated with the inside and the outside of the material conveying sleeve 2 is formed in the material conveying sleeve 2; preferably, the liquid passing hole 23 is formed in the middle of the material conveying sleeve 2. A first discharge port 14 and a second discharge port 15 are respectively arranged at two ends of the outer rotating drum 1 along the material pushing direction of the helical blade 21; the inner cavity of the outer rotating drum 1 is a cylindrical cavity.
Thus, the utility model relates to a rotary drum and improved generation centrifugal classifier of centrifugal classifier, the whole cylindrical cavity that is of inner chamber of abversion drum 1 has avoided the defect of the ejection of compact difficulty that traditional centrifugal classifier's conic section caused. The material to be classified dispersed in the liquid phase is conveyed into the material conveying sleeve 2 through the feeding pipe 22, and then conveyed into the outer rotating drum 1 through the liquid passing holes 23. The outer rotating drum 1 and the material conveying sleeve 2 rotate respectively, so that heavy material suspension is conveyed to the second discharge hole 15 to be discharged, and light material suspension is conveyed to the first discharge hole 14 to be discharged. Thus improving the efficiency of the classification.
Preferably, the first discharge opening 14 and/or the second discharge opening 15 are provided with an adjusting device for adjusting the size of the discharge opening. Through setting up adjusting device, can be convenient adjust the opening size of first discharge gate 14 and second discharge gate 15. Further, the adjusting device comprises an adjusting baffle 16 rotatably connected to the edge of the first discharge hole 14 or the second discharge hole 15.
Preferably, the periphery of the first discharge hole 14 and/or the second discharge hole 15 is embedded with a wear-resistant material (not shown in the figure). The wear-resistant materials embedded in the first discharge hole 14 and the second discharge hole 15 improve the wear-resistant performance of the first discharge hole 14 and the second discharge hole 15, and prolong the service life of the equipment.
Preferably, the outer rotating drum 1 has a side wall 13 and a first end plate 11 and a second end plate 12 respectively connected to both ends of the side wall 13; the spiral blade 21 is pushed in a direction from the first end plate 11 toward the second end plate 12. Further, the first discharge hole 14 is disposed on the first end plate 11, as shown in fig. 2. The first discharge port 14 may also be disposed on the side wall 13 of the outer rotating drum 1 near the second end plate 12.
Preferably, the second discharge port 15 is disposed on the side wall 13 of the outer rotating drum 1 near the second end plate 12, as shown in fig. 3. Furthermore, the second discharge hole 15 may also be disposed on the second end plate 12 or
The utility model also provides an improved generation centrifugal classifier, including support 3, foretell rotary drum, differential mechanism and drive arrangement, 1 rotation of abversion drum is connected on the support 3, differential mechanism set up the tip of rotary drum and with 1 and the defeated material sleeve 2 of abversion drum are connected, drive arrangement passes through differential mechanism and drives 1 and the defeated material sleeve 2 of abversion drum rotates.
Furthermore, the driving device comprises a driving motor 34, the differential mechanism comprises a first belt pulley 31, a first belt pulley 32 and a third belt pulley 33, the first belt pulley 31 is coaxially and fixedly connected with the outer rotating drum 1, and the first belt pulley 32 is coaxially and fixedly connected with the material conveying sleeve 2; the third belt pulley 33 is fixedly connected with an output shaft of the driving motor 34; the diameter of the first pulley 32 is larger than that of the first pulley 31; a first connecting portion 331 and a second connecting portion 332 having different diameters are formed on the third pulley 33, and the diameter of the first connecting portion 331 is larger than that of the second connecting portion 332; the first connecting portion 331 is connected to the first pulley 31 by a first belt, and the second connecting portion 332 is connected to the first pulley 32 by a second belt.
Through setting up first belt pulley 31, first belt pulley 32 and third belt pulley 33, driving motor 34 drives third belt pulley 33 rotates and passes through first connecting portion 331 and second connecting portion 332 on the third belt pulley 33 respectively with first belt pulley 31 and first belt pulley 32 pass through the belt and are connected. Because the transmission ratios of the two transmission structures formed by the first connecting portion 331 and the first belt pulley 31, and the second connecting portion 332 and the first belt pulley 32 are different, the rotation speeds of the first belt pulley 31 and the first belt pulley 32 are different, and the outer rotating drum 1 and the material conveying sleeve 2 realize differential motion.
Compared with the prior art, the utility model discloses the inner chamber that will go outward drum 1 designs into cylindrical cavity, and the equal footpath helical blade 21 of 1 inner chamber matched with of the setting of adaptability and outward drum, first discharge gate 14 and the equal discharge liquid phase of second discharge gate 15 or turbid liquid have improved centrifugal classifier's work efficiency.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (10)
1. A rotary drum of a centrifugal classifier comprises an outer rotary drum and a material conveying sleeve coaxially and rotatably arranged in an inner cavity of the outer rotary drum, wherein spiral blades are formed on the outer wall of the material conveying sleeve; a feeding pipe is connected in the material conveying sleeve, and at least one liquid passing hole communicated with the inside and the outside of the material conveying sleeve is formed in the material conveying sleeve; a first discharge port and a second discharge port are respectively arranged at two ends of the outer rotating drum along the material pushing direction of the helical blade; the inner cavity of the outer rotating drum is a cylindrical cavity.
2. The rotary drum of a centrifugal classifier as claimed in claim 1, wherein said liquid passing hole is formed at a central portion of said feed delivery sleeve.
3. The rotary drum of a centrifugal classifier as claimed in claim 1, wherein the periphery of said first discharge port and/or said second discharge port is inlaid with an abrasion resistant material.
4. A rotary drum for a centrifugal classifier as claimed in claim 1, wherein the first discharge port and/or the second discharge port is provided with an adjusting device for adjusting the size of the discharge opening.
5. The rotary drum of a centrifugal classifier of claim 4, wherein the adjusting means includes an adjusting baffle rotatably connected to an edge of the first outlet or the second outlet.
6. The rotary drum of a centrifugal classifier of claim 1, wherein the outer rotary drum has a side wall and first and second end plates connected to both ends of the side wall, respectively; the pushing direction of the spiral blade is from the first end plate to the second end plate.
7. The rotating drum of a centrifugal classifier of claim 6, wherein the first discharge port is provided on the first end plate or on the outer drum sidewall adjacent to the second end plate.
8. The rotating drum of a centrifugal classifier of claim 6, wherein the second discharge port is provided on the second end plate or on the outer drum sidewall adjacent to the second end plate.
9. An improved centrifugal classifier, comprising a support, a rotary drum as claimed in any one of claims 1 to 8, a differential mechanism and a driving device, wherein said rotary drum is rotatably connected to said support, said differential mechanism is disposed at an end of the rotary drum and is connected to said rotary drum and a material conveying sleeve, and said driving device drives said rotary drum and said material conveying sleeve to rotate through the differential mechanism.
10. The improved centrifugal classifier as claimed in claim 9, wherein said driving means includes a driving motor, said differential mechanism includes a first pulley, a second pulley and a third pulley, said first pulley is coaxially fixedly connected to said outer drum, said second pulley is coaxially fixedly connected to said feeding sleeve; the third belt pulley is fixedly connected with an output shaft of the driving motor; the diameter of the second belt pulley is larger than that of the first belt pulley; a first connecting part and a second connecting part which have different diameters are formed on the third belt pulley, and the diameter of the first connecting part is larger than that of the second connecting part; the first connecting portion with first belt pulley passes through first belt and is connected, the second connecting portion with the second belt pulley passes through the second belt and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022407656.9U CN214487381U (en) | 2020-10-26 | 2020-10-26 | Rotary drum of centrifugal classifier and improved centrifugal classifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022407656.9U CN214487381U (en) | 2020-10-26 | 2020-10-26 | Rotary drum of centrifugal classifier and improved centrifugal classifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214487381U true CN214487381U (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022407656.9U Active CN214487381U (en) | 2020-10-26 | 2020-10-26 | Rotary drum of centrifugal classifier and improved centrifugal classifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214487381U (en) |
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2020
- 2020-10-26 CN CN202022407656.9U patent/CN214487381U/en active Active
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