CN2291632Y - Electric heating drum furnace for ferromagnetic material - Google Patents
Electric heating drum furnace for ferromagnetic material Download PDFInfo
- Publication number
- CN2291632Y CN2291632Y CN 96238568 CN96238568U CN2291632Y CN 2291632 Y CN2291632 Y CN 2291632Y CN 96238568 CN96238568 CN 96238568 CN 96238568 U CN96238568 U CN 96238568U CN 2291632 Y CN2291632 Y CN 2291632Y
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- heater
- cylinder body
- furnace
- electric heating
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Abstract
The utility model relates to an electric heating drum furnace for ferromagnetic material, which is used for producing the raw material of permanent-magnet material. The utility model is provided with a circular cylinder furnace body, a driving supporting roller and a driven supporting roller are arranged beneath the cylinder body, and the driving supporting roller is connected with a transmission device. The cylinder body are swung and rotated backwards and forwards, and the frequency and the amplitude of swing can be adjusted. A refractory furnace is coated with black-body radiation layer on the surface layer above a lining material line, and the surrounding of the central axis of the circular cylinder furnace body is provided with silicon carbide rods. The circular cylinder furnace body is provided with a thermocouple temperature measuring device, and the furnace wall of the upper part of the circular cylinder furnace body is provided with an oxygen supply passage. The utility model is suitable for the requirement that a small scale produces high grade of ferromagnetic material.
Description
The utility model relates to a kind of rotary furnace, particularly electric heating rotary furnace for ferromagnetic materials.
The base-material of making permanent-magnet material is ferromagnetic material.Abroad be to adopt iron oxide to obtain through the rotary furnace sintering, China adopts the product iron scale of paying of steel rolling mill to be oxidized to iron oxide through rotary furnace, obtain through another rotary furnace sintering continuously again, and the rotary furnace employing is that coal gas and heavy oil combustion are thermal source, its combustion process is difficult for artificial control, each zone temperatures deficiency in the burner hearth, and gas divides unfavorable, with the ferromagnetic material that this sampling device obtains, do not satisfy the needs of making the high magnetic characteristics permanent-magnet material far away; This sampling device also produces the combustion product gases pollution.
The objective of the invention is to provide a kind of ferromagnetic material of satisfied manufacturing high magnetic characteristics permanent-magnet material, do not produce the electric heating rotary furnace for ferromagnetic materials that combustion product gases pollutes.
For achieving the above object, the scheme that the utility model is taked is: a cylinder body of heater, and its inwall has refractory lining, and there is active support roller and the passive support roller that supports with transmission cylinder body of heater at the two ends below the cylinder body of heater, and the active support roller is connected with transmission device; The cylinder body of heater is around the revolution of its axis reciprocally swinging, and hunting frequency and the amplitude of oscillation can adjust, and has Elema to do electric heating body in the cylinder body of heater internal furnace, and is equipped with thermocouple temperature measuring apparatus at place, burner hearth refractory lining endosexine; Scribble the black body radiation layer on the inner surface in the cylinder body of heater more than the refractory lining stockline; The furnace wall layer of cylinder top is equipped with apparatus of oxygen supply; The lever-type substrate in cylinder body of heater below can make body of heater adjust angle with level on demand.
Advantage of the present utility model is:
(1), the reciprocal rotation of cylinder body of heater, can adopt electrical heating, can accurately control temperature, on the cylinder body of heater, apparatus of oxygen supply is arranged, make the furnace charge heating temperature even, react completely thoroughly, can obtain high-grade ferrite prefiring material;
(2), adopt electrical heating, refractory-lined ovens is lined with the black body radiation layer, can improve the thermal efficiency 10%, burnt gas does not pollute;
(3), support the dynamic transmission agency of support roller, save a cover gear ring, and alleviate noise.
Below in conjunction with accompanying drawing the utility model is described in further detail:
Fig. 1 is the main cutaway view of the utility model electric heating rotary furnace for ferromagnetic materials;
Fig. 2 is the left view of Fig. 1.
Electric heating rotary furnace for ferromagnetic materials of the present utility model comprises cylinder body of heater, refractory lining, support roller, transmission device, heater, temperature measuring equipment, apparatus of oxygen supply, it is characterized in that:
The support roller at the both ends below the cylinder body of heater 1 is by two initiatively support rollers 10 and two passive support rollers 10 ' form, and two active support rollers 10 are connected with a transmission device 13;
Cylinder body of heater 1 is around the revolution of its axis reciprocally swinging, and hunting frequency and amplitude of oscillation limit range are adjustable;
Cylinder body of heater 1 internal furnace centre, around the cycloid and parallel to the axis and be equipped with Elema 7, perhaps the horizontal level with axis normal is equipped with Elema 7;
The place, refractory lining 6 endosexines of cylinder body of heater 1 burner hearth axis top is equipped with temperature thermocouple 5;
The furnace lining of cylinder body of heater 1 on the inner surface more than the stockline, scribble black body radiation layer 6 ';
In the cylinder body of heater 1, the furnace wall layer of the upper center of axis is equipped with apparatus of oxygen supply 3.
Cylinder body of heater 1 is 1/2～3 time/minute around the frequency of its axis rotation, and amplitude of oscillation limit range is 30～300 ° of angles.
Cylinder body of heater 1 is 2 times/minute around the optimum frequency of its axis rotation, and best amplitude of oscillation limit range is 270 ° of angles.
The centre is equipped with the Elema 7 that 3 inverted triangles distribute, perhaps 6 rounded distributions at axis turnover and axle parallel position in the cylinder body of heater 1.
The apparatus of oxygen supply 3 of cylinder body of heater 1 is molecular sieve or container tank apparatus of oxygen supply.
There is fire door 8 end of cylinder body of heater 1, and can move on the track 9 that connects as one with cylinder body of heater 1.
From Fig. 1 and Fig. 2 as can be known, there is backing ring 2 at the two ends of cylinder body of heater 1, backing ring 2 is fastenedly connected with cylinder body of heater 1, circle 2 following respectively have two support rollers 10 and support roller 10 ', support roller 10 is the active support roller, and two active support rollers 10 are connected with actuating unit 13, and initiatively support roller is positioned at the left side of Fig. 2, passive support roller is positioned at the right side of Fig. 2, and the active support roller 10 of position, the left and right sides and passive support roller 10 ' between angle be 60 °; Support roller 10, passive support roller 10 ' and power set 13 have been provided initiatively among Fig. 1, be fixed on the substrate 11, there is bearing 12 at substrate 11 middle parts, substrate 11 serves as that axle is moved substrate handle 14 with hand with pedestal 12, can allow substrate make lever rotates, can drive 6 ° of angles of cylinder body of heater 1 counterclockwise inclination of Fig. 1,9 ° of angles clockwise tilt; Cylindrical furnace body axis turnover as can be known from Fig. 1 and Fig. 2, and the direction that parallels to the axis has 3 Elemas 7, and be upside-down triangle shape and distribute, two end walls that the cylinder body of heater is passed at the two ends of Elema are connected with feed cable 15; In the cylinder body of heater 1, the place, endosexine of the refractory lining 6 of axis top is equipped with temperature thermocouple 5, and temperature thermocouple is connected with the thermometric instrument system at an end of external of cylindrical furnace; On the inner surface on refractory lining 6 stocklines of cylinder body of heater 1, scribble JT type energy-saving high-temperature coating, promptly black body radiation layer 6 '; When the cylinder body of heater amplitude of oscillation is equal to or greater than 180 ° of angles, be not coated with black matrix layer; The furnace wall layer is passed in the axis top of cylinder body of heater 1, is equipped with molecular sieve apparatus of oxygen supply 3, and pipe 4 is the furnace gas delivery pipe.The fire door 8 of cylinder body of heater 1 left end can walking on the pulley 9 that connects as one with cylindrical shell among Fig. 1, need open and close fire door by the charging discharging.
Is the 4KW variable-speed motor at Fig. 1 with the motor that active support roller 10 among Fig. 2 is connected with actuating unit 13, and control system adopts current-limited startup, the IGCT commutation; When this electric heating rotary furnace for ferromagnetic materials operation work, initiatively support roller 10 runnings with the frictionally transmission, drive the revolution of cylinder body of heater 1 reciprocally swinging, and its hunting frequency is 2 times/minute, and the amplitude of oscillation is 270 ° of angles.This stove can be produced 1.5 tons daily, and annual production is 450 tons, is fit on a small scale the needs that senior ferromagnetic material is produced.
Claims (7)
1, a kind of electric heating rotary furnace for ferromagnetic materials comprises cylinder body of heater, refractory lining, support roller, transmission device, heater, temperature measuring equipment, apparatus of oxygen supply, it is characterized in that:
The support roller at the both ends below a, the cylinder body of heater (1) is made up of two active support rollers (10) and two passive support rollers (10 '), and two active support rollers (10) are connected with a transmission device (13);
B, cylinder body of heater (1) be around its axis reciprocally swinging revolution, and rotation frequency and amplitude of oscillation limit range are adjustable;
C, cylinder body of heater (1) internal furnace centre, around the axis and parallel to the axis and be equipped with Elema (7), perhaps the horizontal level with axis normal is equipped with Elema (7);
The place, refractory lining (6) endosexine of d, cylinder body of heater (1) burner hearth axis top is equipped with temperature thermocouple (5);
The furnace lining of e, cylinder body of heater (1) scribbles black body radiation layer (6 ') on the inner surface more than the stockline
In f, the cylinder body of heater (1), the furnace wall layer of the upper center of axis is equipped with apparatus of oxygen supply (3).
2, electric heating rotary furnace for ferromagnetic materials according to claim 1, it is characterized in that: active support roller (10), passive support roller (10 ') and transmission device are fixed on the substrate (11), there is bearing (12) at substrate (11) middle part, but the substrate lever is rotated, and it is 6-9 ° that drive cylinder body of heater has the angle of inclination.
3, electric heating rotary furnace for ferromagnetic materials according to claim 1 is characterized in that: revolution body of heater (1) is 1/2-3 time/minute around the frequency of its axis rotation, and amplitude of oscillation limit range is 30-300 ° of angle.
4, according to claim 1 or 3 described electric heating rotary furnace for ferromagnetic materials, it is characterized in that: cylinder body of heater (1) is 2 times/minute around the frequency of its axis rotation, and amplitude of oscillation limit range is 270 ° of angles.
5, electric heating rotary furnace for ferromagnetic materials according to claim 1 is characterized in that: the interior centre of cylinder body of heater (1) is equipped with the Elema (7) that 3 inverted triangles distribute at axis turnover and axle parallel position; Or 6 rounded distributions are arranged;
6, electric heating rotary furnace for ferromagnetic materials according to claim 1 is characterized in that: the apparatus of oxygen supply (3) of cylinder body of heater (1) is molecular sieve or container tank apparatus of oxygen supply.
7, electric heating rotary furnace for ferromagnetic materials according to claim 1 is characterized in that: there is fire door (8) end of cylinder body of heater (1), and can move on the track that connects as one with cylinder body of heater (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96238568 CN2291632Y (en) | 1996-09-25 | 1996-09-25 | Electric heating drum furnace for ferromagnetic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96238568 CN2291632Y (en) | 1996-09-25 | 1996-09-25 | Electric heating drum furnace for ferromagnetic material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2291632Y true CN2291632Y (en) | 1998-09-16 |
Family
ID=33913829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96238568 Expired - Fee Related CN2291632Y (en) | 1996-09-25 | 1996-09-25 | Electric heating drum furnace for ferromagnetic material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2291632Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100339673C (en) * | 2003-05-08 | 2007-09-26 | 李治岷 | Blackbody furnace-producing material and heating furnace |
| CN104019645A (en) * | 2013-03-01 | 2014-09-03 | 郎溪县恒云工程机械有限公司 | Pulverized coal-fired boiler |
| CN104976901A (en) * | 2015-07-13 | 2015-10-14 | 扬州市德友线缆有限公司 | FEP insulation polyimide sheath cable sintering furnace |
| CN110243171A (en) * | 2019-06-27 | 2019-09-17 | 佛山市天禄智能装备科技有限公司 | A kind of intermittent rotary kiln |
-
1996
- 1996-09-25 CN CN 96238568 patent/CN2291632Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100339673C (en) * | 2003-05-08 | 2007-09-26 | 李治岷 | Blackbody furnace-producing material and heating furnace |
| CN104019645A (en) * | 2013-03-01 | 2014-09-03 | 郎溪县恒云工程机械有限公司 | Pulverized coal-fired boiler |
| CN104976901A (en) * | 2015-07-13 | 2015-10-14 | 扬州市德友线缆有限公司 | FEP insulation polyimide sheath cable sintering furnace |
| CN110243171A (en) * | 2019-06-27 | 2019-09-17 | 佛山市天禄智能装备科技有限公司 | A kind of intermittent rotary kiln |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |