CN108981384A - A kind of device and method that permanent-magnet ferrite sintering heat reuses - Google Patents
A kind of device and method that permanent-magnet ferrite sintering heat reuses Download PDFInfo
- Publication number
- CN108981384A CN108981384A CN201810643941.5A CN201810643941A CN108981384A CN 108981384 A CN108981384 A CN 108981384A CN 201810643941 A CN201810643941 A CN 201810643941A CN 108981384 A CN108981384 A CN 108981384A
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- China
- Prior art keywords
- heat pipe
- heat
- send
- adjustable valve
- heating zone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/22—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on rails, e.g. under the action of scrapers or pushers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/40—Arrangements of controlling or monitoring devices
Abstract
The invention discloses the device and methods that a kind of permanent-magnet ferrite sintering heat reuses, mainly include adjustable valve A, send heat pipe, exhaust fan, frequency converter, adjustable valve B, heating zone, high-temperature region, cooling area, takes out heat pipe, into heat pipe, heating zone, high-temperature region, cooling area three are sequentially connected and communicate, setting pumping heat pipe, which is communicated to, on cooling area send heat pipe one end, send the exhaust fan that transducer drive is equipped in the middle part of heat pipe, it send the heat pipe other end to be arranged into heat pipe and is connected to heating zone, take out heat pipe, into being respectively arranged with adjustable valve A, adjustable valve B on heat pipe.The present invention reduces the power consumption of heating zone, structure is simple, and use is easy to adjust, saves 20% or more power consumption than conventional electric roller kiln burning tubercle by by exhaust fan and heat pipe being sent to send to heating zone the heat of cooling area.
Description
Technical field
The present invention relates to the fields of permanent-magnet ferrite sintering, and in particular to a kind of dress that permanent-magnet ferrite sintering heat reuses
It sets and method.
Background technique
Permanent-magnet ferrite product is mainly used for electric motor of automobile, convertible frequency air-conditioner motor, intelligence, automation transmission system, meter
Calculation machine, the fields such as microwave communication, high-performance permanent-magnet ferrite manufacturing process mainly have: ingredient, pre-burning, ball milling, molding, sintering,
Mill processing, detection etc., sintering process is using full-automatic double push plate 45m long sintering roller kilns, and power consumption is big, and investment is big.Conventional work
It is 1500~1800 degree of electricity that skill, which is sintered one ton of product power consumption, and power consumption is too big, and economic benefit is low, does not meet environmental requirement.
Summary of the invention
It is an object of the invention to overcome the shortcomings of the prior art, and provide a kind of permanent-magnet ferrite sintering heat makes again
Device and method.
The object of the present invention is achieved by the following technical solutions: the dress that this permanent-magnet ferrite sintering heat reuses
Set, mainly include adjustable valve A, send heat pipe, exhaust fan, frequency converter, adjustable valve B, heating zone, high-temperature region, cooling area, take out heat pipe,
Into heat pipe, heating zone, high-temperature region, cooling area three are sequentially connected and communicate, and setting pumping heat pipe, which is communicated to, on cooling area send heat pipe one
The exhaust fan that transducer drive is equipped in the middle part of heat pipe is sent at end, is sent the heat pipe other end to be arranged into heat pipe and is connected to heating zone, take out heat pipe,
Adjustable valve A, adjustable valve B are respectively arranged on into heat pipe.
The device that the permanent-magnet ferrite sintering heat reuses is using 45 meters of double push plate roller kilns.
The method that this permanent-magnet ferrite sintering heat reuses: exhaust fan revolving speed is 2840 revs/min, the frequency conversion model of frequency converter
Enclosing is 20~30 hertz, and hot blast rate is 20000~35000m3, how much guaranteeing to be sintered according to green compact size size and water content
It is adjusted in the indehiscent situation of product；Adjustable valve A takes out heat and is adjusted from less to more from high-temperature region to cooling area direction, by temperature
The instruction of degree table indicates that the sintering temperature lowering curve according to product is adjusted；Adjustable valve B send heat from heating zone to high-temperature region direction by few
It adjusts morely to, is indicated by thermometer instruction, the sintering heating curve according to product green compact is adjusted.
The invention has the benefit that
1, it is 900~1200 degree that the present invention, which is sintered one ton of product power consumption, in same green compact specification, the same base amount and equally of filling
When into version speed, averagely it is sintered one ton of product and economizes on electricity 400 degree or more.
2, the present invention reduces heating zone by by exhaust fan and heat pipe being sent to send to heating zone the heat of cooling area
Power consumption, structure is simple, and use is easy to adjust, saves 20% or more power consumption than conventional electric roller kiln burning tubercle.
Detailed description of the invention
Fig. 1 is system schematic of the invention.
Fig. 2 is sintering high-performance permanent magnetic ferrite tile-shaped magnet R15.8 × r13 × 27.7 × 37mm sintering temperature curve
Figure.
Description of symbols: heat pipe 2, exhaust fan 3, frequency converter 4, adjustable valve B5, heating zone 6, high-temperature region adjustable valve A1, are sent
7, cooling area 8, take out heat pipe 9, into heat pipe 10.
Specific embodiment
Below in conjunction with attached drawing, the present invention will be described in detail:
Embodiment 1: as shown in the picture, the device that this permanent-magnet ferrite sintering heat reuses, mainly include adjustable valve A1,
It send heat pipe 2, exhaust fan 3, frequency converter 4, adjustable valve B5, heating zone 6, high-temperature region 7, cooling area 8, take out heat pipe 9, into heat pipe 10, rise
Warm area 6, high-temperature region 7,8 three of cooling area are sequentially connected and communicate, and six roots of sensation Φ 250mm pumping heat pipe 9 is arranged on cooling area 8 and is communicated to one
Root Φ 400mm send heat pipe 2 one end, send and is equipped with the exhaust fan 3 that frequency converter 4 drives in the middle part of heat pipe 2, can be selected and select TYPEY90L-2
Frequency converter blower one, band send 2 other end of heat pipe that ten Φ 150mm are arranged and is connected to heating zone 6 into heat pipe 10, takes out heat pipe 9, into heat
Adjustable valve A1, adjustable valve B5 are respectively arranged on pipe 10.
The device that the permanent-magnet ferrite sintering heat reuses is using 45 meters of double push plate roller kilns.
3 revolving speed of exhaust fan is 2840 revs/min, and the variable frequency range of frequency converter 4 is 20~30 hertz, hot blast rate is 20000~
35000m3, how much it is adjusted in the case where guaranteeing the indehiscent situation of sintered products according to green compact size size and water content；It is adjustable
Valve A1 takes out heat and is adjusted from less to more from high-temperature region 7 to 8 direction of cooling area, is indicated by thermometer instruction, the sintering according to product
Temperature lowering curve is adjusted；Adjustable valve B5 send heat to be adjusted from less to more from heating zone 6 to 7 direction of high-temperature region, by thermometer indicateing arm
Bright, the sintering heating curve according to product green compact is adjusted.
Embodiment 2: sintering high-performance permanent magnetic ferrite tile-shaped magnet outer diameter × internal diameter × width x length=R15.8 of the present invention ×
R13 × 27.7 × 37mm, every push plate fill 608, and double push plates are together into being sintered 6.5 minute/edition of feed speed, green compact water content
13%, 1800 revs/min of 3 motor speed of sintered exhauster, 22 hertz of 4 frequency of frequency converter adjusts pumping heat according to attached drawing 2 and send heat
Amount, product qualification rate reach 98%, and average product power consumption per ton is 1050 degree.
It is understood that it will be understood by those skilled in the art that being subject to technical solution of the present invention and inventive concept
It all should fall within the scope of protection of the appended claims of the present invention with replacement or change.
Claims (3)
1. a kind of device that permanent-magnet ferrite sintering heat reuses, it is characterised in that: include mainly adjustable valve A (1), send heat pipe
(2), exhaust fan (3), frequency converter (4), adjustable valve B (5), heating zone (6), high-temperature region (7), cooling area (8), take out heat pipe (9), into
Heat pipe (10), heating zone (6), high-temperature region (7), cooling area (8) three are sequentially connected and communicate, and heat pipe is taken out in setting on cooling area (8)
(9) it is communicated to and send heat pipe (2) one end, send the exhaust fan (3) for being equipped with frequency converter (4) driving in the middle part of heat pipe (2), send heat pipe (2) another
One end, which is arranged into heat pipe (10), is connected to heating zone (6), take out heat pipe (9), into be respectively arranged with adjustable valve A (1) on heat pipe (10), can
It adjusts valve B (5).
2. the device that permanent-magnet ferrite sintering heat according to claim 1 reuses, it is characterised in that: the permanent magnet oxygen
The device that body sintering heat reuses is using 45 meters of double push plate roller kilns.
3. a kind of method that permanent-magnet ferrite sintering heat reuses, it is characterised in that: exhaust fan (3) revolving speed is 2840 revs/min, is become
The variable frequency range of frequency device (4) is 20~30 hertz, and hot blast rate is 20000~35000m3, according to green compact size size and water content
How much it is adjusted in the case where guaranteeing the indehiscent situation of sintered products；Adjustable valve A (1) takes out heat from high-temperature region (7) to cooling area
(8) direction is adjusted from less to more, is indicated by thermometer instruction, and the sintering temperature lowering curve according to product is adjusted；Adjustable valve B (5) is sent
Heat is adjusted from less to more from heating zone (6) to high-temperature region (7) direction, is indicated by thermometer instruction, the burning according to product green compact
Heating curve is tied to adjust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810643941.5A CN108981384A (en) | 2018-06-21 | 2018-06-21 | A kind of device and method that permanent-magnet ferrite sintering heat reuses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810643941.5A CN108981384A (en) | 2018-06-21 | 2018-06-21 | A kind of device and method that permanent-magnet ferrite sintering heat reuses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108981384A true CN108981384A (en) | 2018-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810643941.5A Pending CN108981384A (en) | 2018-06-21 | 2018-06-21 | A kind of device and method that permanent-magnet ferrite sintering heat reuses |
Country Status (1)
| Country | Link |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0826731A (en) * | 1994-07-08 | 1996-01-30 | Tdk Corp | Production of ferrite material |
| CN101598502A (en) * | 2009-07-03 | 2009-12-09 | 霍镰泉 | Waste heat recovery system of kiln |
| CN201387227Y (en) * | 2009-03-26 | 2010-01-20 | 重庆凌达实业有限公司 | Roller way double push-plate electric kiln humidity-reducing air-inducing device |
| CN202793043U (en) * | 2012-08-13 | 2013-03-13 | 镇江金港磁性元件有限公司(中外合资） | Magnetic material sintering system |
| CN204240790U (en) * | 2014-10-14 | 2015-04-01 | 黄冈市华窑中瑞窑炉有限公司 | A kind of hydrogenation catalyst electrical heating mesh-belt kiln |
| CN105423749A (en) * | 2015-12-04 | 2016-03-23 | 中国电子科技集团公司第四十八研究所 | Energy-saving type split double-layer roller way electrical kiln for permanent magnetic ferrite sintering |
| CN105585321A (en) * | 2014-10-29 | 2016-05-18 | 自贡市江阳磁材有限责任公司 | Quick sintering method for permanent magnetic ferrite |
| CN105622111A (en) * | 2014-10-29 | 2016-06-01 | 自贡市江阳磁材有限责任公司 | Sintering technology of high-performance permanent magnetic ferrite |
| US9643249B2 (en) * | 2014-05-11 | 2017-05-09 | Shenyang General Magnetics Co., Ltd | Method and apparatus for sintering NdFeB rare earth permanent magnet |
-
2018
- 2018-06-21 CN CN201810643941.5A patent/CN108981384A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0826731A (en) * | 1994-07-08 | 1996-01-30 | Tdk Corp | Production of ferrite material |
| CN201387227Y (en) * | 2009-03-26 | 2010-01-20 | 重庆凌达实业有限公司 | Roller way double push-plate electric kiln humidity-reducing air-inducing device |
| CN101598502A (en) * | 2009-07-03 | 2009-12-09 | 霍镰泉 | Waste heat recovery system of kiln |
| CN202793043U (en) * | 2012-08-13 | 2013-03-13 | 镇江金港磁性元件有限公司(中外合资） | Magnetic material sintering system |
| US9643249B2 (en) * | 2014-05-11 | 2017-05-09 | Shenyang General Magnetics Co., Ltd | Method and apparatus for sintering NdFeB rare earth permanent magnet |
| CN204240790U (en) * | 2014-10-14 | 2015-04-01 | 黄冈市华窑中瑞窑炉有限公司 | A kind of hydrogenation catalyst electrical heating mesh-belt kiln |
| CN105585321A (en) * | 2014-10-29 | 2016-05-18 | 自贡市江阳磁材有限责任公司 | Quick sintering method for permanent magnetic ferrite |
| CN105622111A (en) * | 2014-10-29 | 2016-06-01 | 自贡市江阳磁材有限责任公司 | Sintering technology of high-performance permanent magnetic ferrite |
| CN105423749A (en) * | 2015-12-04 | 2016-03-23 | 中国电子科技集团公司第四十八研究所 | Energy-saving type split double-layer roller way electrical kiln for permanent magnetic ferrite sintering |
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Application publication date: 20181211 |