CN103611627B - Air-cooled magnetic separation roller and air-cooled concentration equipment - Google Patents
Air-cooled magnetic separation roller and air-cooled concentration equipment Download PDFInfo
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- CN103611627B CN103611627B CN201310628429.0A CN201310628429A CN103611627B CN 103611627 B CN103611627 B CN 103611627B CN 201310628429 A CN201310628429 A CN 201310628429A CN 103611627 B CN103611627 B CN 103611627B
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Abstract
The invention discloses a kind of air-cooled magnetic separation roller and air-cooled concentration equipment.Gap between the cylinder inboard wall of air-cooled magnetic separation roller and magnetic system is surrounded a confined space by side seals and end seal; The first end of main shaft is provided with the main shaft air inlet through hollow shaft hole of connection and main shaft diameter to fresh air inlet, and main shaft diameter is connected to the first end of fresh air inlet with air inlet ventilation pipe; Second end of main shaft is provided with the main shaft Axial-running Out air holes of connection and main shaft diameter to exhaust vent, and main shaft diameter connects the first end of air-out ventilation duct to exhaust vent; Air inlet ventilation pipe is all communicated with confined space with the second end of air-out ventilation duct.Air-cooled concentration equipment comprises air-cooled magnetic separation roller and air-supply arrangement and extractor fan.Air-cooled magnetic separation roller of the present invention and air-cooled concentration equipment; effectively reduce the temperature of magnetic system and the temperature of cylindrical shell, magnetic system heats up low, avoids magnetic patch and occurs demagnetization phenomenon; protect the stability of magnetic force in magnetic material, ensure that the normal operation of magnetic plant.
Description
Technical field
The present invention relates to technical field of magnetic separation equipment, particularly relate to a kind of air-cooled magnetic separation roller and utilize the air-cooled concentration equipment of this air-cooled magnetic separation roller.
Background technology
Magnetic separation roller is the main element of magnetic plant, magnetic separation roller primarily of the main shaft be fixedly installed, rotate the cylindrical shell that is arranged on main shaft and be positioned at cylindrical shell and the magnetic system of being fixed on main shaft is formed, wherein, magnetic system is made up of multiple magnetic patch.
Carry out in magnetic separation process to the high temperature raw material such as slag (about 150 DEG C ~ 200 DEG C) utilizing magnetic separation roller or utilize magnetic separator to carry out in dry type magnetic separation process to high temperature raw material, magnetic patch phenomenon of demagnetizing in the case of a high temperature is serious, even just lose magnetism completely within very short time, affect the normal use of equipment.Existingly usually just can to make an effort at high temperature resistant magnetic patch by the magnetic separation roller of blanking iron tramp from high temperature raw material, but not only price is high for high temperature resistant magnetic patch, and can hard to bear resistance to temperature limited, the demand that some enterprises produce can not be met.Therefore, the temperature how effectively reducing cylindrical shell and the magnetic system directly contacted with material in magnetic separation process becomes those skilled in the art's technical barrier urgently to be resolved hurrily.
Summary of the invention
First technical problem to be solved by this invention is: provide a kind of air-cooled magnetic separation roller, effectively to reduce the temperature of magnetic system in high temperature raw material magnetic separation process, avoids occurring demagnetization phenomenon, guarantees that magnetic separation process is normally carried out.
For solving the problems of the technologies described above, technical scheme of the present invention is: air-cooled magnetic separation roller, comprise: the main shaft be fixedly installed, rotate the cylindrical shell be arranged on described main shaft, and be positioned at described cylindrical shell and be fixed on the magnetic system on described main shaft, the gap that cross section is arcuation is left between the inwall of described cylindrical shell and described magnetic system
The both sides in described gap are fixed with side seals respectively, and the two ends in described gap are fixed with end seal respectively, and described gap is surrounded a confined space by described side seals and described end seal jointly;
The first end of described main shaft is provided with the main shaft air inlet through hollow shaft hole axially extended to along it in described cylindrical shell, the described main shaft being positioned at described cylindrical shell offers the main shaft diameter that is communicated with described main shaft air inlet through hollow shaft hole to fresh air inlet, described main shaft diameter connects the first end of air inlet ventilation pipe to fresh air inlet, and the second end of described air inlet ventilation pipe is communicated with described confined space inside;
Second end of described main shaft is provided with the main shaft Axial-running Out air holes axially extended to along it in described cylindrical shell, the described main shaft being positioned at described cylindrical shell offers the main shaft diameter that is communicated with described main shaft Axial-running Out air holes to exhaust vent, described main shaft diameter connects the first end of air-out ventilation duct to exhaust vent, and the second end of described air-out ventilation duct is communicated with described confined space inside.
As preferably, the described end seal being positioned at described gap first end is the arcuation air intake mouth suitable with the shape in described gap, and the second end of described air inlet ventilation pipe is connected with described arcuation air intake mouth and is communicated with described confined space inside; The described end seal being positioned at described gap second end is the arcuation air outlet suitable with the shape in described gap, and the second end of described air-out ventilation duct is connected with described arcuation air outlet and is communicated with described confined space inside.The setting of arcuation air intake mouth and arcuation air outlet, can make the air-flow entering and flow out described confined space be tending towards uniformity, improves the cooling effect to magnetic system and cylinder inner surface magnetic separation region.
As preferably, described side seals is tabular, the removable both sides being fixed on described magnetic system; Described side seals is arranged along the radial direction of described main shaft, and extends along the axis of described main shaft.
As preferably, described side seals is Polyurethane seals.Polyurethane seals has self-lubricating function, can reduce the wearing and tearing caused by friction in magnetic separation process and between the cylindrical shell rotated, increase the service life.
As preferably, described main shaft diameter is provided with multiple to fresh air inlet, the quantity of described air inlet ventilation pipe is consistent to fresh air inlet quantity with described main shaft diameter, and each described air inlet ventilation pipe is connected with described arcuation air intake mouth respectively; Described main shaft diameter is provided with multiple to exhaust vent, the quantity of described air-out ventilation duct is consistent to exhaust vent quantity with described main shaft diameter, and each described air-out ventilation duct is connected with described arcuation air outlet respectively.The setting of multiple air inlet ventilation pipe and multiple air-out ventilation duct, can strengthen cooling air intake and the air output of confined space, improves the cooling effect to magnetic system and cylinder inner surface magnetic separation region further.
Second technical problem to be solved by this invention is: provide a kind of air-cooled concentration equipment.
For solving above-mentioned second technical problem, technical scheme of the present invention is: air-cooled concentration equipment comprises described air-cooled magnetic separation roller; The main shaft air inlet through hollow shaft hole of described air-cooled magnetic separation roller is connected with air-supply arrangement; The main shaft Axial-running Out air holes of described air-cooled magnetic separation roller is connected with extractor fan.
As preferably, described air-supply arrangement comprises air blast, and described air blast is connected through the first end of blast pipe with described main shaft; Described extractor fan comprises air-introduced machine, and described air-introduced machine is connected with the second end of described main shaft through induced duct.
Owing to have employed technique scheme, air-cooled magnetic separation roller of the present invention, comprising: main shaft, cylindrical shell and magnetic system, and the gap between cylinder inboard wall and magnetic system is surrounded a confined space jointly by the end seal at the side seals of both sides and two ends; The first end of main shaft be provided with main shaft air inlet through hollow shaft hole and the main shaft diameter that is communicated with it to fresh air inlet, the first end of air inlet ventilation pipe is connected to fresh air inlet with main shaft diameter, and the second end is communicated with confined space inside; Second end of main shaft be provided with main shaft Axial-running Out air holes and the main shaft diameter that is communicated with it to exhaust vent, the first end of air-out ventilation duct is connected to exhaust vent with main shaft diameter, and the second end is communicated with confined space inside.To in high temperature raw material magnetic separation process, cooling air enters in cylindrical shell from the main shaft air inlet through hollow shaft hole of main shaft first end, along main shaft diameter to fresh air inlet, air inlet ventilation pipe enters in gap between the highest cylinder inner surface of temperature and magnetic system and confined space and carries out exchange heat, carries out effective temperature-reducing to the magnetic separation region of magnetic system and cylindrical shell; Afterwards, the cooling air carrying heat drains into outside magnetic separation roller along the main shaft diameter of air-out ventilation duct, main shaft second end to exhaust vent and main shaft Axial-running Out air holes, thus by thermal release to space outerpace.
Air-cooled magnetic separation roller of the present invention effectively reduces the temperature of magnetic system and the temperature in cylinder inner surface magnetic separation region in high temperature raw material magnetic separation process; good cooling results; magnetic system heats up low; there is demagnetization phenomenon in the magnetic patch avoiding magnetic system; protect the stability of magnetic force in magnetic material, ensure that the normal operation of magnetic plant.
Air-cooled concentration equipment of the present invention, because the main shaft air inlet through hollow shaft hole of its air-cooled magnetic separation roller is connected with air-supply arrangement, forms positive air pressure at the first end of main shaft; The main shaft Axial-running Out air holes of air-cooled magnetic separation roller is connected with extractor fan, forms negative pressure at the second end of main shaft; Thus make the fixed flow direction of cooling air formation from high pressure to negative pressure, effective temperature-reducing is carried out to the magnetic separation region of magnetic system and cylindrical shell.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the air-cooled magnetic separation roller structure cross-sectional schematic of the embodiment of the present invention;
Fig. 2 is that in Fig. 1, A-A analyses and observe enlarged diagram;
Fig. 3 removes the schematic diagram after cylindrical shell and magnetic system in Fig. 2;
Fig. 4 is the structure cross-sectional schematic of the air-cooled concentration equipment of the embodiment of the present invention;
In figure: 1-air-introduced machine; 2-air-out ventilation duct; 3-arcuation air outlet; 4-cylindrical shell; 5-magnetic system; 6-arcuation air intake mouth; 7-air inlet ventilation pipe; 8-drive sprocket; 9-main shaft; 91-main shaft air inlet through hollow shaft hole; 92-main shaft Axial-running Out air holes; 93-main shaft diameter is to fresh air inlet; 10-reach bearing; 11-blast pipe; 12-air blast; 13-side seals; B-confined space.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, Figure 2 with Fig. 3 jointly shown in, be the air-cooled magnetic separation roller of the present embodiment, wherein illustrate only part related to the present invention in figure.The air-cooled magnetic separation roller of the present embodiment comprises: the main shaft 9 be fixedly installed, rotate the cylindrical shell 4 be arranged on main shaft 9, and be positioned at cylindrical shell 4 and be fixed on the magnetic system 5 on main shaft 9, between the inwall and magnetic system 5 of cylindrical shell 4, leave the gap that cross section is 3 ~ 5mm of arcuation.
Wherein, be fixed with side seals 13 respectively, be fixed with end seal respectively at the two ends in gap in the both sides in gap, described gap is surrounded a relative airtight space B with two end seals by two side seals 13 jointly.
Wherein, the main shaft air inlet through hollow shaft hole 91 axially extended to along it in cylindrical shell 4 is provided with at the first end of main shaft 9, the main shaft 9 being positioned at cylindrical shell 4 offers the main shaft diameter that is communicated with main shaft air inlet through hollow shaft hole 91 to fresh air inlet 93, this main shaft diameter is welded to connect to the first end of fresh air inlet 93 and air inlet ventilation pipe 7, and the second end of air inlet ventilation pipe 7 is communicated with the inside of confined space B.
Wherein, the main shaft Axial-running Out air holes 92 axially extended to along it in cylindrical shell 4 is provided with at the second end of main shaft 9, the main shaft 9 being positioned at cylindrical shell 4 offers the main shaft diameter that is communicated with main shaft Axial-running Out air holes 92 to exhaust vent, this main shaft diameter is welded to connect to the first end of exhaust vent and air-out ventilation duct 2, and the second end of air-out ventilation duct 2 is communicated with the inside of confined space B.
Below that the many places that the air-cooled magnetic separation roller of the present embodiment does are improved:
Further, the end seal being positioned at confined space B first end is designed to the arcuation air intake mouth 6 suitable with the shape in gap, the second end of air inlet ventilation pipe 7 is connected with arcuation air intake mouth 6 and is communicated with the inside of confined space B; The end seal being positioned at confined space B second end is designed to the arcuation air outlet 3 suitable with the shape in gap, and the second end of air-out ventilation duct 2 is connected with arcuation air outlet 3 and is communicated with the inside of confined space B.The setting of arcuation air intake mouth 6 and arcuation air outlet 3, can make the air-flow entering and flow out confined space B be tending towards uniformity, improves the cooling effect to magnetic system 5 and cylindrical shell 4 inner surface magnetic separation region.
Further, the side seals 13 being positioned at confined space B both sides is designed to tabular, is fixed on the both sides of magnetic system 5 through bolt; Side seals 13 is arranged along the radial direction of main shaft 9, and extends along the axis of main shaft 9.Side seals 13 preferably adopts polyurethane material.Polyurethane has self-lubricating property, can reduce the wearing and tearing caused by friction in magnetic separation process and between the cylindrical shell 4 rotated, extend its service life.
Further, main shaft diameter is provided with multiple to fresh air inlet 93, and the quantity of air inlet ventilation pipe 7 is consistent to fresh air inlet 93 quantity with main shaft diameter, and each air inlet ventilation pipe 7 is connected with arcuation air intake mouth 6 respectively; Correspondingly, main shaft diameter is also provided with multiple to exhaust vent, and the quantity of air-out ventilation duct 2 is consistent to exhaust vent quantity with main shaft diameter, and each air-out ventilation duct 2 is connected with arcuation air outlet 3 respectively.The setting of multiple air inlet ventilation pipe 7 and multiple air-out ventilation duct 2, can strengthen cooling air intake and the air output of confined space B, improves the cooling effect to magnetic system 5 and cylindrical shell 4 inner surface magnetic separation region further.The situation being provided with four air inlet ventilation pipes 7 and four air-out ventilation ducts 2 is shown in Fig. 2, certainly, can have increased and decreased to some extent according to practical condition.
As shown in Figure 4, be the air-cooled concentration equipment of the present embodiment.The air-cooled concentration equipment of the present embodiment comprises above-described air-cooled magnetic separation roller and air-supply arrangement and extractor fan.Wherein, air-supply arrangement comprises air blast 12, and air blast 12 is connected with the main shaft air inlet through hollow shaft hole 91 of main shaft 9 first end through blast pipe 11; Extractor fan comprises air-introduced machine 1, and air-introduced machine 1 is connected through the main shaft Axial-running Out air holes 92 of induced duct with main shaft 9 second end.
As shown in Figure 4, the air-cooled concentration equipment of the present embodiment, wherein, air-cooled magnetic separation roller is carried in reach bearing 10 by main shaft 9, and power is passed to cylindrical shell 4 through drive sprocket 8 and drives cylindrical shell 4 to rotate by power set.This is the state of the art, does not repeat them here.
The air-cooled magnetic separation roller of the present embodiment and the operation principle of air-cooled concentration equipment: in high temperature raw material magnetic separation process, air blast 12 blows out malleation cooling air, cooling air enters in cylindrical shell 4 from the main shaft air inlet through hollow shaft hole 91 of main shaft 9 first end, through main shaft diameter to fresh air inlet 93, arrive arcuation air intake mouth 6 along air inlet ventilation pipe 7, enter in the confined space B between temperature the highest cylindrical shell 4 inner surface and magnetic system 5 by arcuation air intake mouth 6, carry out exchange heat with magnetic system 5 and cylindrical shell 4, thus effective temperature-reducing is carried out to the magnetic separation region of magnetic system 5 and cylindrical shell 4; Afterwards, the cooling air carrying heat is extracted out and drains into outside magnetic separation roller along the main shaft diameter of arcuation air outlet 3, air-out ventilation duct 2, main shaft second end to exhaust vent and main shaft Axial-running Out air holes 92 by air-introduced machine 1, by the thermal release from magnetic system 5 and cylindrical shell 4 to space outerpace, thus effective temperature-reducing is carried out to magnetic system 5 and cylindrical shell 4; Meanwhile, ensure that the correct flow direction of air-flow, be unlikely to go hither and thither, form sinuous flow.Wherein, in Fig. 1 and Fig. 4, arrow is depicted as the flow direction of cooling air, in order to express clearly, by the cooling airflow at corresponding confined space B place to arrow be moved to outside cylindrical shell 4.
Air-cooled magnetic separation roller of the present invention and air-cooled concentration equipment; achieve cooling air and constantly take away heat in magnetic separation roller; effectively reduce the temperature of magnetic system and the temperature in cylinder inner surface magnetic separation region in high temperature raw material magnetic separation process; magnetic system heats up low; there is demagnetization phenomenon in the magnetic patch avoiding magnetic system; protect the stability of magnetic force in magnetic material, ensure that the normal operation of magnetic plant.Air-cooled magnetic separation roller of the present invention and air-cooled concentration equipment structure are simple, and good cooling results is easy to utilize.
Claims (7)
1. air-cooled magnetic separation roller, comprising: the main shaft be fixedly installed, and rotates the cylindrical shell be arranged on described main shaft, and be positioned at described cylindrical shell and be fixed on the magnetic system on described main shaft, leave the gap that cross section is arcuation between the inwall of described cylindrical shell and described magnetic system, it is characterized in that
The both sides in described gap are fixed with side seals respectively, and the two ends in described gap are fixed with end seal respectively, and described gap is surrounded a confined space by described side seals and described end seal jointly;
The first end of described main shaft is provided with the main shaft air inlet through hollow shaft hole axially extended to along it in described cylindrical shell, the described main shaft being positioned at described cylindrical shell offers the main shaft diameter that is communicated with described main shaft air inlet through hollow shaft hole to fresh air inlet, described main shaft diameter connects the first end of air inlet ventilation pipe to fresh air inlet, and the second end of described air inlet ventilation pipe is communicated with described confined space inside;
Second end of described main shaft is provided with the main shaft Axial-running Out air holes axially extended to along it in described cylindrical shell, the described main shaft being positioned at described cylindrical shell offers the main shaft diameter that is communicated with described main shaft Axial-running Out air holes to exhaust vent, described main shaft diameter connects the first end of air-out ventilation duct to exhaust vent, and the second end of described air-out ventilation duct is communicated with described confined space inside.
2. air-cooled magnetic separation roller as claimed in claim 1, it is characterized in that: the described end seal being positioned at described gap first end is the arcuation air intake mouth suitable with the shape in described gap, the second end of described air inlet ventilation pipe is connected with described arcuation air intake mouth and is communicated with described confined space inside; The described end seal being positioned at described gap second end is the arcuation air outlet suitable with the shape in described gap, and the second end of described air-out ventilation duct is connected with described arcuation air outlet and is communicated with described confined space inside.
3. air-cooled magnetic separation roller as claimed in claim 2, is characterized in that: described side seals is tabular, the removable both sides being fixed on described magnetic system; Described side seals is arranged along the radial direction of described main shaft, and extends along the axis of described main shaft.
4. air-cooled magnetic separation roller as claimed in claim 3, is characterized in that: described side seals is Polyurethane seals.
5. air-cooled magnetic separation roller as claimed in claim 2, it is characterized in that: described main shaft diameter is provided with multiple to fresh air inlet, the quantity of described air inlet ventilation pipe is consistent to fresh air inlet quantity with described main shaft diameter, and each described air inlet ventilation pipe is connected with described arcuation air intake mouth respectively; Described main shaft diameter is provided with multiple to exhaust vent, the quantity of described air-out ventilation duct is consistent to exhaust vent quantity with described main shaft diameter, and each described air-out ventilation duct is connected with described arcuation air outlet respectively.
6. air-cooled concentration equipment, is characterized in that: described air-cooled concentration equipment comprises the air-cooled magnetic separation roller described in any one of claim 1 to 5; The main shaft air inlet through hollow shaft hole of described air-cooled magnetic separation roller is connected with air-supply arrangement; The main shaft Axial-running Out air holes of described air-cooled magnetic separation roller is connected with extractor fan.
7. air-cooled concentration equipment as claimed in claim 6, is characterized in that: described air-supply arrangement comprises air blast, described air blast is connected through the first end of blast pipe with described main shaft; Described extractor fan comprises air-introduced machine, and described air-introduced machine is connected with the second end of described main shaft through induced duct.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310628429.0A CN103611627B (en) | 2013-11-29 | 2013-11-29 | Air-cooled magnetic separation roller and air-cooled concentration equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310628429.0A CN103611627B (en) | 2013-11-29 | 2013-11-29 | Air-cooled magnetic separation roller and air-cooled concentration equipment |
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| CN103611627A CN103611627A (en) | 2014-03-05 |
| CN103611627B true CN103611627B (en) | 2015-12-30 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344467A (en) * | 2014-08-21 | 2016-02-24 | 扬州市大洋水务设备有限公司 | Novel magnetic separation settler |
| CN105457745A (en) * | 2014-09-28 | 2016-04-06 | 抚顺欧柏丽电器成套制造有限公司 | Through shaft type magnetic separator roller penetrating through speed reducer |
| CN105797845B (en) * | 2016-05-17 | 2019-01-01 | 张进才 | A kind of dry type magnetic roller and magnetic separator |
| CN109277187A (en) * | 2018-12-04 | 2019-01-29 | 山东科力华电磁设备有限公司 | Magnetic separation roller |
| CN109277189A (en) * | 2018-12-04 | 2019-01-29 | 山东科力华电磁设备有限公司 | Electromagnetic eddy sorting machine |
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| CN2459522Y (en) * | 2001-01-11 | 2001-11-14 | 常州市华立液压润滑设备有限公司 | Column type magnetic filter |
| CN2695108Y (en) * | 2004-05-15 | 2005-04-27 | 贾彪 | Permanent magnet dry separation machine |
| CN203591880U (en) * | 2013-11-29 | 2014-05-14 | 山东科力华电磁设备有限公司 | Air-cooled magnetic separation roller and air-cooled magnetic separation device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0985124A (en) * | 1995-09-26 | 1997-03-31 | Hitachi Zosen Corp | Magnetic force separator |
| US20050103688A1 (en) * | 2003-11-17 | 2005-05-19 | Mchenry Kevin R. | External adjustment device for magnetic drum separators |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2459522Y (en) * | 2001-01-11 | 2001-11-14 | 常州市华立液压润滑设备有限公司 | Column type magnetic filter |
| CN2695108Y (en) * | 2004-05-15 | 2005-04-27 | 贾彪 | Permanent magnet dry separation machine |
| CN203591880U (en) * | 2013-11-29 | 2014-05-14 | 山东科力华电磁设备有限公司 | Air-cooled magnetic separation roller and air-cooled magnetic separation device |
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| CN103611627A (en) | 2014-03-05 |
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