CN110433952B - Spiral ore dressing device - Google Patents
Spiral ore dressing device Download PDFInfo
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- CN110433952B CN110433952B CN201910640328.2A CN201910640328A CN110433952B CN 110433952 B CN110433952 B CN 110433952B CN 201910640328 A CN201910640328 A CN 201910640328A CN 110433952 B CN110433952 B CN 110433952B
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- separation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/48—Washing granular, powdered or lumpy materials; Wet separating by mechanical classifiers
- B03B5/52—Spiral classifiers
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Abstract
The invention relates to the technical field of mineral separation, in particular to a spiral mineral separation device which comprises a horizontally arranged cylindrical separation barrel, wherein the separation barrel rotates towards one direction by taking an axis as a rotating shaft; the interior of the separation cylinder is hollow, and one end of the separation cylinder is provided with a mineral aggregate inlet at the position of an axis; the inner wall of the separation barrel is provided with a feeding track, and the feeding track is spirally arranged from one end of the separation barrel to the other end in a direction opposite to the rotation direction of the separation barrel; the feeding track sequentially comprises a first sorting section, a second sorting section and a third sorting section along the axis of the sorting barrel, and first sorting ports are formed in the side wall of the sorting barrel, which is located on the first sorting section at intervals. The spiral progressive ore dressing device is ingenious in structure and easy to realize, and improves the precision and efficiency of ore material separation and the output value by adopting a spiral progressive ore dressing structure.
Description
Technical Field
The invention relates to the technical field of ore dressing, in particular to a spiral ore dressing device.
Background
Mineral separation is a process of crushing and grinding ores according to physical and chemical properties of different minerals in the ores, separating useful minerals from gangue minerals by methods such as a gravity separation method, a flotation method, a magnetic separation method, an electric separation method and the like, separating various symbiotic (associated) useful minerals from each other as much as possible, and removing or reducing harmful impurities to obtain raw materials required by smelting or other industries. The mineral separation can enrich useful components in the minerals, reduce the consumption of fuel and transportation in smelting or other processing processes, and enable low-grade minerals to be economically utilized. At present, the mineral separation device applying the gravity separation method is complex in structure and poor in mineral separation precision, after primary separation, the useful minerals and gangue minerals can be effectively separated by further fine separation, and the mineral separation device is narrow in application range due to low mineral separation efficiency and poor mineral separation effect.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a spiral ore dressing device which can improve the ore dressing efficiency and the ore dressing precision.
In order to solve the technical problems, the invention adopts the technical scheme that: a spiral ore dressing device comprises a cylindrical separation barrel which is horizontally arranged, wherein the separation barrel rotates towards one direction by taking an axis as a rotating shaft;
the interior of the separation cylinder is hollow, and one end of the separation cylinder is provided with a mineral aggregate inlet at the position of an axis;
the inner wall of the separation barrel is provided with a feeding track, and the feeding track is spirally arranged from one end of the separation barrel to the other end in a direction opposite to the rotation direction of the separation barrel;
the pay-off track includes first sorting section, second sorting section and third sorting section along the axis of cylinder in proper order, the lateral wall of cylinder is located first sorting section interval and is equipped with first branch notch, the lateral wall of cylinder is located second sorting section interval and is equipped with the second branch notch, the lateral wall of cylinder is located third sorting section interval and is equipped with the third branch notch, the bore of first branch notch, second branch notch and third branch notch increases in proper order.
The invention has the beneficial effects that: the spiral ore dressing device comprises a horizontally arranged cylindrical separation barrel, wherein the separation barrel rotates towards one direction by taking an axis as a rotating shaft; the separation cylinder is internally provided with a feeding track which is spirally arranged from one end of the separation cylinder to the other end in a direction opposite to the rotation direction of the separation cylinder, when in use, the separation cylinder rotates at a constant speed in a fixed direction, mineral aggregate enters the inner wall of the separation cylinder from a mineral aggregate inlet and then falls into the feeding track, and is conveyed in a direction far away from the mineral aggregate inlet along with the rotation of the separation cylinder, when the mineral aggregate passes through a first separation section, the mineral aggregate with smaller particle size falls out of the separation cylinder through a first separation port, the mineral aggregate with larger particle size keeps a conveying state, and the mineral aggregate with gradually increased particle size is sequentially discharged out of the separation cylinder along with the gradual increase of the aperture of the separation port, by adopting the rotary feeding mode, the self motility of the mineral aggregate can be exerted to the maximum extent, the mineral aggregate moves by means of the gravity in the conveying process until the mineral aggregate is separated, and the mineral dressing precision is greatly improved by the progressive separation mode, and because the material can be continuously fed during the mineral separation operation, the material filling or material arrangement is not required to be stopped, and the efficiency of the mineral separation operation is improved. The spiral progressive ore dressing device is ingenious in structure and easy to realize, and improves the precision and efficiency of ore material separation and the output value by adopting a spiral progressive ore dressing structure.
Drawings
Fig. 1 is a schematic structural diagram of a spiral beneficiation plant according to an embodiment of the present invention;
fig. 2 shows a cross-sectional view of a spiral beneficiation plant according to an embodiment of the present invention;
description of reference numerals:
1-a sorting cylinder; 11-a first sorting port; 12-a second sorting port; 13-a third sorting port;
2-mineral aggregate inlet;
3-a feeding track; 31-a first sorting section; 32-a second sorting section; 33-a third sorting section;
4-a mounting frame.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: and a spiral progressive ore dressing structure is adopted, so that the precision and the efficiency of mineral aggregate separation are improved.
Referring to fig. 1 to 2, the spiral ore dressing device of the present invention includes a horizontally disposed cylindrical separation drum, which rotates in one direction with an axis as a rotation axis;
the interior of the separation cylinder is hollow, and one end of the separation cylinder is provided with a mineral aggregate inlet at the position of an axis;
the inner wall of the separation barrel is provided with a feeding track, and the feeding track is spirally arranged from one end of the separation barrel to the other end in a direction opposite to the rotation direction of the separation barrel;
the pay-off track includes first sorting section, second sorting section and third sorting section along the axis of cylinder in proper order, the lateral wall of cylinder is located first sorting section interval and is equipped with first branch notch, the lateral wall of cylinder is located second sorting section interval and is equipped with the second branch notch, the lateral wall of cylinder is located third sorting section interval and is equipped with the third branch notch, the bore of first branch notch, second branch notch and third branch notch increases in proper order.
From the above description, the beneficial effects of the present invention are: the separation cylinder is internally provided with a feeding track which is spirally arranged from one end of the separation cylinder to the other end in a direction opposite to the rotation direction of the separation cylinder, when in use, the separation cylinder rotates at a constant speed in a fixed direction, mineral aggregate enters the inner wall of the separation cylinder from a mineral aggregate inlet and then falls into the feeding track, and is conveyed in a direction far away from the mineral aggregate inlet along with the rotation of the separation cylinder, when the mineral aggregate passes through a first separation section, the mineral aggregate with smaller particle size falls out of the separation cylinder through a first separation port, the mineral aggregate with larger particle size keeps a conveying state, and the mineral aggregate with gradually increased particle size is sequentially discharged out of the separation cylinder along with the gradual increase of the aperture of the separation port, by adopting the rotary feeding mode, the self motility of the mineral aggregate can be exerted to the maximum extent, the mineral aggregate moves by means of the gravity in the conveying process until the mineral aggregate is separated, and the mineral dressing precision is greatly improved by the progressive separation mode, and because the material can be continuously fed during the mineral separation operation, the material filling or material arrangement is not required to be stopped, and the efficiency of the mineral separation operation is improved.
Further, the axial lengths of the first sorting section, the second sorting section and the third sorting section are reduced in sequence.
From the above description, it can be seen that the mineral aggregates with smaller particle sizes are messy and numerous, and the separation should be provided with sufficient length to ensure complete separation of the mineral aggregates in the particle size range, and as the particle size gradually increases, the separation difficulty decreases, so that the required transportation path can be designed to be shorter.
Further, the spiral angles of the first sorting section, the second sorting section and the third sorting section are sequentially increased.
From the above description, the spiral angles of the first sorting section, the second sorting section and the third sorting section are designed to be sequentially increased, so that the conveying distance of medium and small particle sizes can be increased, and when the feeding track with the smaller spiral angle rotates along with the rotation of the furnace body, the mineral aggregate can be more completely driven to move, the dead weight of the mineral aggregate is fully utilized, and the sorting efficiency is improved.
Furthermore, the outer wall of the sorting barrel is located in the first sorting section and is provided with a first vibrator, the outer wall of the sorting barrel is located in the second sorting section and is provided with a second vibrator, the outer wall of the sorting barrel is located in the third sorting section and is provided with a third vibrator, and the vibration frequencies of the first vibrator, the second vibrator and the third vibrator are reduced in sequence.
From the above description, the vibrator is used to assist in improving the movement of the mineral aggregate in the separation cylinder, the vibration frequency is reduced along with the increase of the particle size of the mineral aggregate, the vibration movement of the mineral aggregate with medium and small particle sizes in the separation cylinder is facilitated to be improved, and the vibration with different frequencies can distinguish the mineral aggregates with different particle sizes, so that the separation effect is improved.
Further, the inner wall of the separation cylinder is provided with an inner liner layer, and the inner liner layer is made of Hastelloy steel.
From the above description, hastelloy has the advantages of high strength, pressure resistance, heat resistance and corrosion resistance, and avoids the problem of shortened service life of the ore dressing device due to ore collision, medicament corrosion and the like.
Further, the sorting barrel is rotatably arranged on the mounting frame through a riding wheel.
From the above description, set up on the mounting bracket and be used for controlling the pivoted riding wheel of separation section of thick bamboo, drive through torque motor, guarantee separation section of thick bamboo pivoted stability and continuation.
Furthermore, the other end of the separation cylinder is provided with a cylinder body sealing end cover.
According to the description, the sealing end cover keeps sealed during ore dressing, and after ore dressing is finished, workers can get in and out to perform cleaning, maintenance and other operations, so that the ore dressing machine is simple and convenient.
Furthermore, the feeding track is defined by a stainless steel partition plate arranged on the inner wall of the separation barrel.
As can be seen from the above description, the feeding track is supported by stainless steel partition plates, and has a firm structure, durability and good waterproof property.
Furthermore, the sorting cylinder and the feeding track are integrally formed.
From the above description, it can be seen that the use of integral molding is beneficial to improving the consistency of the strength of the overall structure, and thus prolonging the service life of the device.
Further, the spiral ore dressing device still includes the workbin that connects that is located the vertical below of cylinder, connect the position that corresponds first sorting section, second sorting section and third sorting section in proper order on the workbin and be equipped with respectively that the first silo that connects, the second connect the silo and the third connects the silo.
As can be seen from the above description, the material receiving box is correspondingly provided with material receiving grooves according to different sorting sections, so that the mineral aggregate is convenient to collect and arrange.
Referring to fig. 1 to fig. 2, a first embodiment of the present invention is: a spiral ore dressing device comprises a horizontally arranged cylindrical separation barrel 1, wherein the separation barrel 1 rotates towards one direction by taking an axis as a rotating shaft;
the interior of the separation cylinder 1 is hollow, and one end of the separation cylinder 1 is provided with an ore material inlet 2 at the position of an axis;
a feeding track 3 is arranged on the inner wall of the separation barrel 1, and the feeding track 3 is spirally arranged from one end of the separation barrel 1 to the other end in a direction opposite to the rotation direction of the separation barrel 1;
the pay-off track 3 includes first sorting section 31, second sorting section 32 and third sorting section 33 along the axis of cylinder 1 in proper order, the lateral wall of cylinder 1 is located first sorting section 31 interval and is equipped with first branch mouth 11, the lateral wall of cylinder 1 is located second sorting section 32 interval and is equipped with second branch mouth 12, the lateral wall of cylinder 1 is located third sorting section 33 interval and is equipped with third branch mouth 13, the bore of first branch mouth 11, second branch mouth 12 and third branch mouth 13 increases in proper order.
Referring to fig. 1 to fig. 2, a second embodiment of the present invention is: a spiral ore dressing device comprises a horizontally arranged cylindrical separation barrel 1, wherein the separation barrel 1 rotates towards one direction by taking an axis as a rotating shaft;
the interior of the separation cylinder 1 is hollow, and one end of the separation cylinder 1 is provided with an ore material inlet 2 at the position of an axis;
a feeding track 3 is arranged on the inner wall of the separation barrel 1, and the feeding track 3 is spirally arranged from one end of the separation barrel 1 to the other end in a direction opposite to the rotation direction of the separation barrel 1;
the pay-off track 3 includes first sorting section 31, second sorting section 32 and third sorting section 33 along the axis of cylinder 1 in proper order, the lateral wall of cylinder 1 is located first sorting section 31 interval and is equipped with first branch mouth 11, the lateral wall of cylinder 1 is located second sorting section 32 interval and is equipped with second branch mouth 12, the lateral wall of cylinder 1 is located third sorting section 33 interval and is equipped with third branch mouth 13, the bore of first branch mouth 11, second branch mouth 12 and third branch mouth 13 increases in proper order.
The axial lengths of the first, second and third sorting sections 31, 32, 33 decrease in sequence. The spiral angle range of the feeding track 3 is 15-75 degrees. The pitch angles of the first, second and third divided segments 31, 32, 33 increase in sequence. The outer wall of the separation barrel 1 is located in a first separation section 31 and is provided with a first vibrator, the outer wall of the separation barrel 1 is located in a second separation section 32 and is provided with a second vibrator, the outer wall of the separation barrel 1 is located in a third separation section 33 and is provided with a third vibrator, and the vibration frequencies of the first vibrator, the second vibrator and the third vibrator are reduced in sequence. The inner wall of the separation cylinder 1 is provided with an inner liner layer, and the inner liner layer is made of Hastelloy steel. The sorting cylinder 1 is rotatably arranged on a mounting rack 4 through a riding wheel. And the other end of the separation barrel 1 is provided with a barrel sealing end cover. The feeding track 3 is formed by a stainless steel clapboard arranged on the inner wall of the separation barrel 1. The sorting cylinder 1 and the feeding track 3 are integrally formed. The spiral ore dressing device still includes the workbin that connects that is located the vertical below of cylinder 1, connect and be equipped with the first silo that connects, the second connects the silo and the third connects the silo respectively in the position that corresponds first sorting section 31, second sorting section 32 and third sorting section 33 on the workbin in proper order.
In summary, the invention provides a spiral ore dressing device, which comprises a horizontally arranged cylindrical separation barrel, wherein the separation barrel rotates in one direction by taking an axis as a rotating shaft; the separation cylinder is internally provided with a feeding track which is spirally arranged from one end of the separation cylinder to the other end in a direction opposite to the rotation direction of the separation cylinder, when in use, the separation cylinder rotates at a constant speed in a fixed direction, mineral aggregate enters the inner wall of the separation cylinder from a mineral aggregate inlet and then falls into the feeding track, and is conveyed in a direction far away from the mineral aggregate inlet along with the rotation of the separation cylinder, when the mineral aggregate passes through a first separation section, the mineral aggregate with smaller particle size falls out of the separation cylinder through a first separation port, the mineral aggregate with larger particle size keeps a conveying state, and the mineral aggregate with gradually increased particle size is sequentially discharged out of the separation cylinder along with the gradual increase of the aperture of the separation port, by adopting the rotary feeding mode, the self motility of the mineral aggregate can be exerted to the maximum extent, the mineral aggregate moves by means of the gravity in the conveying process until the mineral aggregate is separated, and the mineral dressing precision is greatly improved by the progressive separation mode, and because the material can be continuously fed during the mineral separation operation, the material filling or material arrangement is not required to be stopped, and the efficiency of the mineral separation operation is improved. The spiral progressive ore dressing device is ingenious in structure and easy to realize, and improves the precision and efficiency of ore material separation and the output value by adopting a spiral progressive ore dressing structure.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (6)
1. The spiral ore dressing device is characterized by comprising a horizontally arranged cylindrical separation barrel, wherein the separation barrel rotates towards one direction by taking an axis as a rotating shaft;
the interior of the separation cylinder is hollow, and one end of the separation cylinder is provided with a mineral aggregate inlet at the position of an axis;
the inner wall of the separation barrel is provided with a feeding track, and the feeding track is spirally arranged from one end of the separation barrel to the other end in a direction opposite to the rotation direction of the separation barrel;
the feeding track sequentially comprises a first sorting section, a second sorting section and a third sorting section along the axis of the sorting barrel, first sorting ports are formed in the side wall of the sorting barrel, which is positioned in the first sorting section, at intervals, second sorting ports are formed in the side wall of the sorting barrel, which is positioned in the second sorting section, at intervals, third sorting ports are formed in the side wall of the sorting barrel, which is positioned in the third sorting section, at intervals, and the calibers of the first sorting ports, the second sorting ports and the third sorting ports are sequentially increased;
the spiral angles of the first sorting section, the second sorting section and the third sorting section are sequentially increased;
a first vibrator is arranged on the outer wall of the sorting cylinder in the first sorting section, a second vibrator is arranged on the outer wall of the sorting cylinder in the second sorting section, a third vibrator is arranged on the outer wall of the sorting cylinder in the third sorting section, and the vibration frequencies of the first vibrator, the second vibrator and the third vibrator are sequentially reduced;
the feeding track is formed by enclosing a stainless steel clapboard arranged on the inner wall of the separation barrel;
the sorting barrel and the feeding track are integrally formed.
2. The spiral beneficiation plant according to claim 1, wherein the axial lengths of the first, second and third separation sections decrease sequentially.
3. The spiral ore dressing device according to claim 1, characterized in that the inner wall of the separation cylinder is provided with an inner liner layer, and the inner liner layer is made of hastelloy steel.
4. The spiral beneficiation plant according to claim 1, wherein the separation drum is rotatably mounted on the mounting frame by a riding wheel.
5. The spiral beneficiation plant according to claim 1, wherein the other end of the separation cylinder is provided with a cylinder sealing end cover.
6. The spiral beneficiation device according to claim 1, further comprising a receiving box vertically below the separation barrel, and a first receiving groove, a second receiving groove and a third receiving groove are respectively arranged on the receiving box at positions corresponding to the first separation section, the second separation section and the third separation section in sequence.
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CN201910640328.2A CN110433952B (en) | 2019-07-16 | 2019-07-16 | Spiral ore dressing device |
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CN201910640328.2A CN110433952B (en) | 2019-07-16 | 2019-07-16 | Spiral ore dressing device |
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CN110433952B true CN110433952B (en) | 2022-03-22 |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2098969U (en) * | 1991-08-12 | 1992-03-18 | 邵阳煤矿机械厂 | Spiral coal classifier |
CN203091248U (en) * | 2013-03-07 | 2013-07-31 | 石林明 | Dry method screening machine for adhesive and wet type material granules |
CN203484330U (en) * | 2013-08-27 | 2014-03-19 | 台州伟博环保设备科技有限公司 | Size-based material sorter |
CN203936011U (en) * | 2014-06-10 | 2014-11-12 | 邹建春 | A kind of roller screen machine automatically |
CN104549705A (en) * | 2013-10-10 | 2015-04-29 | 杜鹃 | Multifunctional mineral processing equipment |
CN204842154U (en) * | 2015-08-14 | 2015-12-09 | 天津市傲景农业科技发展有限公司 | Drum -type fruit vegetables sorter |
CN205495979U (en) * | 2016-03-25 | 2016-08-24 | 王文泗 | Automatic fragrant bamboo let of screening system machine |
CN206689009U (en) * | 2017-03-21 | 2017-12-01 | 西峡爱尚菇食品科技有限公司 | A kind of mushroom sorting conveyer device |
CN108015008A (en) * | 2018-01-31 | 2018-05-11 | 海宁艾迪欧动物保健品科技有限公司 | It is a kind of efficiently to select ball machine from except broken ball |
-
2019
- 2019-07-16 CN CN201910640328.2A patent/CN110433952B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2098969U (en) * | 1991-08-12 | 1992-03-18 | 邵阳煤矿机械厂 | Spiral coal classifier |
CN203091248U (en) * | 2013-03-07 | 2013-07-31 | 石林明 | Dry method screening machine for adhesive and wet type material granules |
CN203484330U (en) * | 2013-08-27 | 2014-03-19 | 台州伟博环保设备科技有限公司 | Size-based material sorter |
CN104549705A (en) * | 2013-10-10 | 2015-04-29 | 杜鹃 | Multifunctional mineral processing equipment |
CN203936011U (en) * | 2014-06-10 | 2014-11-12 | 邹建春 | A kind of roller screen machine automatically |
CN204842154U (en) * | 2015-08-14 | 2015-12-09 | 天津市傲景农业科技发展有限公司 | Drum -type fruit vegetables sorter |
CN205495979U (en) * | 2016-03-25 | 2016-08-24 | 王文泗 | Automatic fragrant bamboo let of screening system machine |
CN206689009U (en) * | 2017-03-21 | 2017-12-01 | 西峡爱尚菇食品科技有限公司 | A kind of mushroom sorting conveyer device |
CN108015008A (en) * | 2018-01-31 | 2018-05-11 | 海宁艾迪欧动物保健品科技有限公司 | It is a kind of efficiently to select ball machine from except broken ball |
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