CN203591880U - Air-cooled magnetic separation roller and air-cooled magnetic separation device - Google Patents
Air-cooled magnetic separation roller and air-cooled magnetic separation device Download PDFInfo
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- CN203591880U CN203591880U CN201320779798.5U CN201320779798U CN203591880U CN 203591880 U CN203591880 U CN 203591880U CN 201320779798 U CN201320779798 U CN 201320779798U CN 203591880 U CN203591880 U CN 203591880U
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Abstract
The utility model discloses an air-cooled magnetic separation roller and an air-cooled magnetic separation device. A gap between the inner wall of a body of the air-cooled magnetic separation roller and a magnetic system forms a sealed space by lateral sealing pieces and end sealing pieces in a surrounding manner; main shaft axial air inlets and main shaft radial air inlets which are communicated are formed in the first end of a main shaft; the main shaft radial air inlets are connected with first ends of air-in ventilating pipes; main shaft axial air outlets and main shaft radial air outlets which are communicated are formed in the second end of the main shaft; the main shaft radial air outlets are connected with the first ends of air-out ventilating pipes; second ends of the air-in ventilating pipes and the air-out ventilating pipes are communicated with the sealed space. The air-cooled magnetic separation device comprises the air-cooled magnetic separation roller as well as an air supply device and an air extraction device. According to the air-cooled magnetic separation roller and the air-cooled magnetic separation device which are provided by the utility model, the temperature of the magnetic system and the temperature of the body of the air-cooled magnetic separation roller are effectively reduced, the magnetic system is low in temperature rising, demagnetization of magnetic blocks are avoided, the stability in magnetic force of magnetic material is protected, and normal operation of magnetic separation equipment is ensured.
Description
Technical field
The utility model relates to magnetic plant technical field, relates in particular to a kind of air-cooled magnetic separation roller and utilizes 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 mainly by the main shaft being fixedly installed, rotate to be arranged at the cylindrical shell on main shaft and to be positioned at cylindrical shell and to be fixed on magnetic on main shaft system and form, wherein, magnetic system is made up of multiple magnetic patch.
Utilize magnetic separation roller the high temperature raw material such as slag (approximately 150 ℃～200 ℃) are carried out to magnetic separation process in or utilize magnetic separator to carry out in dry type magnetic separation process high temperature raw material, the magnetic patch phenomenon of demagnetizing under high-temperature condition is serious, even within very short time, just lose magnetism completely, affect the normal use of equipment.Existing can conventionally just making 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 also the hard to bear resistance to temperature of energy is limited, can not meet the demand that some enterprises produce.Therefore the temperature that, how effectively to reduce the cylindrical shell that directly contacts with material in magnetic separation process and magnetic system becomes those skilled in the art's technical barrier urgently to be resolved hurrily.
Summary of the invention
First technical problem to be solved in the utility model is: a kind of air-cooled magnetic separation roller is provided, to effectively reduce the temperature of the system of magnetic in high temperature raw material magnetic separation process, avoids occurring demagnetization phenomenon, guarantee that magnetic separation process normally carries out.
For solving the problems of the technologies described above, the technical solution of the utility model is: air-cooled magnetic separation roller, comprise: the main shaft being fixedly installed, rotation is arranged at the cylindrical shell on described main shaft, and be positioned at described cylindrical shell and be fixed on the magnetic system on described main shaft, between the inwall of described cylindrical shell and described magnetic system, leave the gap that cross section is arcuation
The both sides in described gap are fixed with respectively side seals, and the two ends in described gap are fixed with respectively end seal, and described side seals and described end seal surround described gap a confined space jointly;
The first end of described main shaft is provided with along it and extends axially to the main shaft air inlet through hollow shaft hole in described cylindrical shell, be positioned on the described main shaft of described cylindrical shell and offer the main shaft diameter being 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, the second end of described air inlet ventilation pipe and described confined space internal communication to fresh air inlet;
The second end of described main shaft is provided with along it and extends axially to the axial exhaust vent of main shaft in described cylindrical shell, be positioned on the described main shaft of described cylindrical shell and offer the main shaft diameter being communicated with the axial exhaust vent of described main shaft to exhaust vent, described main shaft diameter connects first end, the second end of described air-out ventilation duct and the described confined space internal communication of air-out ventilation duct to exhaust vent.
As preferably, the described end seal that is 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 be connected with described arcuation air intake mouth and with described confined space internal communication; The described end seal that is positioned at described gap the second end is the arcuation air outlet suitable with the shape in described gap, the second end of described air-out ventilation duct be connected with described arcuation air outlet and with described confined space internal communication.The setting of arcuation air intake mouth and arcuation air outlet, can make to enter and the air-flow that flows out described confined space is 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 of being fixed on described magnetic system; Described side seals is along the radially setting of described main shaft, and extending axially along described main shaft.
As preferably, described side seals is polyurethane seal.Polyurethane seal has self-lubricating function, can reduce the caused wearing and tearing of friction in magnetic separation process and between the cylindrical shell rotating, and increases the service life.
As preferably, described main shaft diameter is provided with multiple to fresh air inlet, and 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 pipes and multiple air-out ventilation ducts, can strengthen cooling air intake and the air output of confined space, further improves the cooling effect to magnetic system and cylinder inner surface magnetic separation region.
Second technical problem to be solved in the utility model is: a kind of air-cooled concentration equipment is provided.
For solving above-mentioned second technical problem, the technical solution of the utility model 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 axial exhaust vent of main shaft 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 with the first end of described main shaft through blast pipe; 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 having adopted technique scheme, air-cooled magnetic separation roller of the present utility model, 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, the second end and confined space internal communication; The second end of main shaft be provided with the axial exhaust vent of main shaft 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, the second end and confined space internal communication.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, the gap that enters between cylinder inner surface that temperature is the highest and magnetic system of air inlet ventilation pipe is in confined space, to carry out exchange heat, and effective temperature-reducing is carried out in the magnetic separation region of magnetic system and cylindrical shell; Afterwards, the cooling air that carries heat drains into outside magnetic separation roller to exhaust vent and the axial exhaust vent of main shaft along the main shaft diameter of air-out ventilation duct, main shaft the second end, thus by thermal release to space outerpace.
Air-cooled magnetic separation roller of the present utility model effectively reduces the temperature of magnetic system in high temperature raw material magnetic separation process and the temperature in cylinder inner surface magnetic separation region; good cooling results; magnetic system heats up low; avoid the magnetic patch of magnetic system to occur demagnetization phenomenon; protect the stability of magnetic force in magnetic material, guaranteed the normal operation of magnetic plant.
Air-cooled concentration equipment of the present utility model, 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 axial exhaust vent of main shaft of air-cooled magnetic separation roller is connected with extractor fan, forms negative pressure at the second end of main shaft; Thereby make cooling air form the fixed flow direction from high pressure to negative pressure, effective temperature-reducing is carried out in the magnetic separation region of magnetic system and cylindrical shell.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the air-cooled magnetic separation roller structure cross-sectional schematic of the utility model embodiment;
Fig. 2 is that in Fig. 1, A-A analyses and observe enlarged diagram;
Fig. 3 removes cylindrical shell and magnetic system schematic diagram afterwards in Fig. 2;
Fig. 4 is the structure cross-sectional schematic of the air-cooled concentration equipment of the utility model embodiment;
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; The axial exhaust vent of 92-main shaft; 93-main shaft diameter is to fresh air inlet; 10-reach bearing; 11-blast pipe; 12-air blast; 13-side seals; B-confined space.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Shown in common with Fig. 3 as shown in Figure 1, Figure 2, be the air-cooled magnetic separation roller of the present embodiment, wherein in figure, only show the part relevant to the utility model.The air-cooled magnetic separation roller of the present embodiment comprises: the main shaft 9 being fixedly installed, rotation is arranged at the cylindrical shell 4 on main shaft 9, and be positioned at cylindrical shell 4 and the magnetic that is fixed on main shaft 9 is 5, be between 5, to leave the gap that cross section is 3～5mm of arcuation at inwall and the magnetic of cylindrical shell 4.
Wherein, be fixed with respectively side seals 13 in the both sides in gap, be fixed with respectively end seal at the two ends in gap, two side seals 13 surround described gap a relative airtight space B jointly with two end seals.
Wherein, be provided with at the first end of main shaft 9 the main shaft air inlet through hollow shaft hole 91 extending axially along it in cylindrical shell 4, be positioned on the main shaft 9 of cylindrical shell 4 and offer the main shaft diameter being 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 fresh air inlet 93 and the first end of air inlet ventilation pipe 7, the second end of air inlet ventilation pipe 7 and the internal communication of confined space B.
Wherein, be provided with at the second end of main shaft 9 the axial exhaust vent 92 of main shaft extending axially along it in cylindrical shell 4, be positioned on the main shaft 9 of cylindrical shell 4 and offer the main shaft diameter being communicated with the axial exhaust vent 92 of main shaft to exhaust vent, this main shaft diameter is welded to connect to the first end of exhaust vent and air-out ventilation duct 2, the second end of air-out ventilation duct 2 and the internal communication of confined space B.
Below that improve the many places that the air-cooled magnetic separation roller of the present embodiment is done:
Further, the end seal that is 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 be connected with arcuation air intake mouth 6 and with the internal communication of confined space B; The end seal that is positioned at confined space B the second end is designed to the arcuation air outlet 3 suitable with the shape in gap, the second end of air-out ventilation duct 2 be connected with arcuation air outlet 3 and with the internal communication of confined space B.The setting of arcuation air intake mouth 6 and arcuation air outlet 3, can make to enter and the air-flow that flows out confined space B is tending towards uniformity, and improving magnetic is 5 and the cooling effect in cylindrical shell 4 inner surface magnetic separation regions.
Further, the side seals 13 that is positioned at confined space B both sides is designed to tabular, being fixed on magnetic through bolt is 5 both sides; Side seals 13 is along the radially setting of main shaft 9, and extending axially along main shaft 9.Side seals 13 preferably adopts polyurethane material.Polyurethane has self-lubricating property, can reduce the caused wearing and tearing of friction in magnetic separation process and between the cylindrical shell 4 rotating, and extends 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 pipes 7 and multiple air-out ventilation ducts 2, can strengthen cooling air intake and the air output of confined space B, and further improving magnetic is 5 and the cooling effect in cylindrical shell 4 inner surface magnetic separation regions.The situation that is 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 ends through blast pipe 11; Extractor fan comprises air-introduced machine 1, and air-introduced machine 1 is connected with the axial exhaust vent 92 of main shaft of main shaft 9 second ends through induced duct.
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 set pass to power cylindrical shell 4 and drive cylindrical shell 4 to rotate through drive sprocket 8.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 ends, through main shaft diameter to fresh air inlet 93, arrive arcuation air intake mouth 6 along air inlet ventilation pipe 7, entering by arcuation air intake mouth 6 cylindrical shell 4 inner surfaces and the magnetic that temperature is the highest is in the confined space B between 5, with magnetic be 5 and cylindrical shell 4 carry out exchange heat, thereby to magnetic be 5 and the magnetic separation region of cylindrical shell 4 carry out effective temperature-reducing; Afterwards, carrying the cooling air of heat is extracted out and drains into outside magnetic separation roller to exhaust vent and the axial exhaust vent 92 of main shaft along the main shaft diameter of arcuation air outlet 3, air-out ventilation duct 2, main shaft the second end by air-introduced machine 1, by from magnetic be 5 and the thermal release of cylindrical shell 4 to space outerpace, thereby to magnetic be 5 and cylindrical shell 4 carry out effective temperature-reducing; Meanwhile, guarantee the correct flow direction of air-flow, be unlikely to go hither and thither, formed 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 utility model and air-cooled concentration equipment; realize cooling air and in magnetic separation roller, constantly taken away heat; effectively reduce the temperature of magnetic system in high temperature raw material magnetic separation process and the temperature in cylinder inner surface magnetic separation region; magnetic system heats up low; avoid the magnetic patch of magnetic system to occur demagnetization phenomenon; protect the stability of magnetic force in magnetic material, guaranteed the normal operation of magnetic plant.Air-cooled magnetic separation roller of the present utility model and air-cooled concentration equipment are simple in structure, and good cooling results is easy to utilize.
Claims (7)
1. air-cooled magnetic separation roller, comprising: the main shaft being fixedly installed, rotates the cylindrical shell being arranged on described main shaft, and be positioned at described cylindrical shell and be fixed on the magnetic system on described main shaft, between the inwall of described cylindrical shell and described magnetic system, leave the gap that cross section is arcuation, it is characterized in that
The both sides in described gap are fixed with respectively side seals, and the two ends in described gap are fixed with respectively end seal, and described side seals and described end seal surround described gap a confined space jointly;
The first end of described main shaft is provided with along it and extends axially to the main shaft air inlet through hollow shaft hole in described cylindrical shell, be positioned on the described main shaft of described cylindrical shell and offer the main shaft diameter being 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, the second end of described air inlet ventilation pipe and described confined space internal communication to fresh air inlet;
The second end of described main shaft is provided with along it and extends axially to the axial exhaust vent of main shaft in described cylindrical shell, be positioned on the described main shaft of described cylindrical shell and offer the main shaft diameter being communicated with the axial exhaust vent of described main shaft to exhaust vent, described main shaft diameter connects first end, the second end of described air-out ventilation duct and the described confined space internal communication of air-out ventilation duct to exhaust vent.
2. air-cooled magnetic separation roller as claimed in claim 1, it is characterized in that: the described end seal that is 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 be connected with described arcuation air intake mouth and with described confined space internal communication; The described end seal that is positioned at described gap the second end is the arcuation air outlet suitable with the shape in described gap, the second end of described air-out ventilation duct be connected with described arcuation air outlet and with described confined space internal communication.
3. air-cooled magnetic separation roller as claimed in claim 2, is characterized in that: described side seals is tabular, the removable both sides of being fixed on described magnetic system; Described side seals is along the radially setting of described main shaft, and extending axially along described main shaft.
4. air-cooled magnetic separation roller as claimed in claim 3, is characterized in that: described side seals is polyurethane seal.
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 claim 1 to 5 any one; The main shaft air inlet through hollow shaft hole of described air-cooled magnetic separation roller is connected with air-supply arrangement; The axial exhaust vent of main shaft 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 with the first end of described main shaft through blast pipe; 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320779798.5U CN203591880U (en) | 2013-11-29 | 2013-11-29 | Air-cooled magnetic separation roller and air-cooled magnetic separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320779798.5U CN203591880U (en) | 2013-11-29 | 2013-11-29 | Air-cooled magnetic separation roller and air-cooled magnetic separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203591880U true CN203591880U (en) | 2014-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320779798.5U Withdrawn - After Issue CN203591880U (en) | 2013-11-29 | 2013-11-29 | Air-cooled magnetic separation roller and air-cooled magnetic separation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203591880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103611627A (en) * | 2013-11-29 | 2014-03-05 | 山东科力华电磁设备有限公司 | Air-cooled magnetic separation roller and air-cooled magnetic separation device |
-
2013
- 2013-11-29 CN CN201320779798.5U patent/CN203591880U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103611627A (en) * | 2013-11-29 | 2014-03-05 | 山东科力华电磁设备有限公司 | Air-cooled magnetic separation roller and air-cooled magnetic separation device |
| CN103611627B (en) * | 2013-11-29 | 2015-12-30 | 山东科力华电磁设备有限公司 | Air-cooled magnetic separation roller and air-cooled concentration equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140514 Effective date of abandoning: 20151230 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |