CN102564142A - Quaternary variable-frequency resistance-furnace heater - Google Patents
Quaternary variable-frequency resistance-furnace heater Download PDFInfo
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- CN102564142A CN102564142A CN2011104298340A CN201110429834A CN102564142A CN 102564142 A CN102564142 A CN 102564142A CN 2011104298340 A CN2011104298340 A CN 2011104298340A CN 201110429834 A CN201110429834 A CN 201110429834A CN 102564142 A CN102564142 A CN 102564142A
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Abstract
The invention relates to a resistance-furnace heating device for aviation, and in particular relates to a quaternary variable-frequency resistance-furnace heater. The quaternary variable-frequency resistance-furnace heater is characterized in that a plurality of heating unit areas are arranged on a supporting brick made of refractory materials in a hearth of a furnace body; each heating unit area is internally provided with a space area which can be used for installing the heating units; the space area is divided into space positions which can be used for placing six heating element units; four heating element units are placed at six space positions, and are made of electrothermal alloy wires; or the electrothermal alloy wires are wound along the length direction to form heating element units with unequal helical pitches; and the helical pitch wound in the 1/4 length at the two ends is T, and the helical pitch wound in the 1/2 length at the middle is 2T. The quaternary variable-frequency resistance-furnace heater provided by the invention adapts to the optimized design of a resistance furnace for aviation.
Description
Technical field
The present invention relates to a kind of aviation and use the resistance furnace heater, particularly a kind of quaternary frequency conversion type resistance furnace heater.
Background technology
The industry resistance furnace uses lectrothermal alloy wire as heating element heater usually, converts electric energy to heat energy through it, is heated the workpiece that is processed by heat energy.In order to guarantee the quality of heat treatment of workpieces, the furnace temperature uniformity of stove is a very important index.In order to reach this index request, can take diversified means.Usually heating element heater is evenly to arrange in burner hearth, and this mode can only satisfy the general stove of furnace temperature uniformity requirement.And along with development of aviation and aerospace technology; Also increasingly high to aviation with the requirement of the furnace temperature uniformity of industrial heat-treatment furnace; For example the furnace temperature uniformity of heat treatment car type furnace requires to be ± 5 ℃ (being generally ± 10 ℃), and this just needs a kind of preferred arrangement mode of new heating element heater.
Summary of the invention
The technical problem that the present invention will solve provides and is adapted to the quaternary frequency conversion type resistance furnace heater of aviation with the resistance furnace optimal design.
Technical scheme of the present invention is: a kind of quaternary frequency conversion type resistance furnace heater; It is characterized in that: the refractory material in the burner hearth of body of heater supports brick and is provided with some heating units district, is provided with the space region that the heating element heater unit can be installed in each heating unit district; Space region is divided into can place position, 6 heating element heater unitary spaces; 4 heating element heater unit are placed in 6 locus; 4 heating element heater unit are lectrothermal alloy wires, lectrothermal alloy wire or be that the coiling pitch is the heating element heater unit that do not wait along its length, and the screw pitch of the interior coiled of 1/4 length at two ends is T; The screw pitch of coiled is 2T in 1/2 length of centre, is connected to power supply after the heating element heater units in series in the same space district.
It is to arrange that by 1,2,6,5 space region positions 3,4 space region are the room, form a thermal treatment zone that 4 heating element heater unit are placed in said 6 spaces; Four heating element heater unit are arranged in putting on the brick in the heating furnace burner hearth, all are together in series, and are connected to power supply,
It is to arrange that by 1,2,4,6 space region positions 3,5 space region are the room, form a thermal treatment zone that 4 heating element heater unit are placed in said 6 spaces.
It is to arrange that by 1,2,3,6 space region positions 4,5 space region are the room, form a thermal treatment zone that 4 heating element heater unit are placed in said 6 spaces.
Technique effect of the present invention is:
Unit to heating element heater is processed into different pitch T, according to the demand of burner hearth to heat, the unit optimization of heating element heater is arranged in rational position.Can be spaced, also can be not at interval, with the layout of multiple combination, reaches the requirement of the uniformity of furnace temperature.For example at certain high temperature car type furnace, the size in its effective operating room is long to be 4500mm * wide 2200mm * high 1300mm.After preferred arrangement, the furnace temperature uniformity is ± 3.15 ℃ in the time of 500 ℃, in the time of 940 ℃, is ± 2.8 ℃, in the time of 1010 ℃, is ± 2.7 ℃, smaller or equal to ± 5 ℃ requirement with the unit of heating element heater.
Description of drawings
Below in conjunction with the embodiment accompanying drawing the present invention is further specified:
Fig. 1 is an embodiment of the invention structural representation;
Fig. 2 is that pitch is the heating element heater unit that T+2T mixes;
Fig. 3 is embodiment of the invention structure one sketch map;
Fig. 4 is embodiment of the invention structure two sketch mapes;
Fig. 5 is embodiment of the invention structure three sketch mapes.
Reference numeral is: 1. body of heater, 2. burner hearth, 3. heating unit district, 4. heating element heater unit, 5. space region.
The specific embodiment
The preferred arrangement that the invention belongs to a kind of quaternary frequency conversion type resistance furnace heater, particularly heating element heater has improved the temperature uniformity of aviation with industrial resistance furnace.As shown in Figure 1, it is that refractory material in the burner hearth 2 of body of heater 1 supports brick and is provided with some heating units district 3, is provided with the space region 5 that heating element heater unit 4 can be installed in each heating unit district 3; Be connected to power supply after heating element heater unit 4 series connection in the same space district 5.
As shown in Figure 2, space region is divided into can place position, 6 heating element heater unitary spaces, and 4 heating element heater unit are placed in 6 locus, and heating element heater unit 4 can be lectrothermal alloy wire.Lectrothermal alloy wire along its length the coiling pitch be the lectrothermal alloy wire of T and along its length the coiling pitch be the frequency conversion lectrothermal alloy wire of 2T; The screw pitch of coiled is T in 1/4 length at two ends; The screw pitch of coiled is 2T in 1/2 length of centre, is connected to power supply after the heating element heater units in series in the different spaces district.
An embodiment who realizes above-mentioned target is as shown in Figure 3, and it is to arrange that by 1,2,6,5 space region positions 3,4 space region are the room, form a thermal treatment zone that 4 heating element heater unit 4 are placed in 6 spaces.Four heating element heater unit are arranged in putting on the brick in the heating furnace burner hearth, all are together in series, and are connected to power supply,
Another embodiment that realizes above-mentioned target is as shown in Figure 4, and it is to arrange that by 1,2,4,6 space region positions 3,5 space region are the room, form a thermal treatment zone that 4 heating element heater unit 4 are placed in 6 spaces.
The 3rd embodiment that realizes above-mentioned target is as shown in Figure 5, and it is to arrange that by 1,2,3,6 space region positions 4,5 space region are the room, form a thermal treatment zone that 4 heating element heater unit 4 are placed in 6 spaces.
Because different space environments and different size of burner hearth and different heat requirements, combining form also adapts to different requirement, and the present invention is that 4 T+2T form of heating regime elements are placed in 6 spaces with different distributed combination.
Claims (4)
1. quaternary frequency conversion type resistance furnace heater; It is characterized in that: the refractory material in the burner hearth (2) of body of heater (1) supports brick and is provided with some heating units district (3), is provided with the space region (5) that heating element heater unit (4) can be installed in each heating unit district (3); Space region (5) is divided into can place locus, 6 heating element heater unit (4); 4 heating element heater unit (4) are placed in 6 locus; 4 heating element heater unit (4) are lectrothermal alloy wires, lectrothermal alloy wire or be that the coiling pitch is the heating element heater unit that do not wait along its length, and the screw pitch of the interior coiled of 1/4 length at two ends is T; The screw pitch of coiled is 2T in 1/2 length of centre, is connected to power supply after the heating element heater units in series in the same space district.
2. a kind of quaternary frequency conversion type resistance furnace heater according to claim 1 is characterized in that: it is to arrange that by 1,2,6,5 space region positions 3,4 space region are the room, form a thermal treatment zone that 4 heating element heater unit (4) are placed in said 6 spaces; Four heating element heater unit are arranged in putting on the brick in the heating furnace burner hearth, all are together in series, and are connected to power supply.
3. a kind of quaternary frequency conversion type resistance furnace heater according to claim 1 is characterized in that: it is to arrange that by 1,2,4,6 space region positions 3,5 space region are the room, form a thermal treatment zone that 4 heating element heater unit (4) are placed in said 6 spaces.
4. a kind of quaternary frequency conversion type resistance furnace heater according to claim 1 is characterized in that: it is to arrange that by 1,2,3,6 space region positions 4,5 space region are the room, form a thermal treatment zone that 4 heating element heater unit (4) are placed in said 6 spaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110429834.0A CN102564142B (en) | 2011-08-18 | 2011-12-20 | A kind of quaternary variable-frequency resistance-furnace heater |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110237361.4 | 2011-08-18 | ||
| CN2011102373614 | 2011-08-18 | ||
| CN201110237361 | 2011-08-18 | ||
| CN201110429834.0A CN102564142B (en) | 2011-08-18 | 2011-12-20 | A kind of quaternary variable-frequency resistance-furnace heater |
Publications (2)
| Publication Number | Publication Date |
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| CN102564142A true CN102564142A (en) | 2012-07-11 |
| CN102564142B CN102564142B (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110429834.0A Active CN102564142B (en) | 2011-08-18 | 2011-12-20 | A kind of quaternary variable-frequency resistance-furnace heater |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3952408A (en) * | 1970-03-26 | 1976-04-27 | Albert George Docx | Method of assembling a resistance furnace |
| CN1257991A (en) * | 1999-12-01 | 2000-06-28 | 上海交通大学 | Method for decreasing heat loss caused by grate bricks in industrial furnace |
| CN1610815A (en) * | 2002-03-19 | 2005-04-27 | 光洋热系统株式会社 | Electric heater for heat processing furnace |
| CN201163149Y (en) * | 2008-01-24 | 2008-12-10 | 郑州市科慧高科技发展有限公司 | Electric resistance furnace |
| CN202403553U (en) * | 2011-08-18 | 2012-08-29 | 西安奥杰电热设备工程有限责任公司 | Four-unit frequency conversion resistor furnace heating device |
-
2011
- 2011-12-20 CN CN201110429834.0A patent/CN102564142B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3952408A (en) * | 1970-03-26 | 1976-04-27 | Albert George Docx | Method of assembling a resistance furnace |
| CN1257991A (en) * | 1999-12-01 | 2000-06-28 | 上海交通大学 | Method for decreasing heat loss caused by grate bricks in industrial furnace |
| CN1610815A (en) * | 2002-03-19 | 2005-04-27 | 光洋热系统株式会社 | Electric heater for heat processing furnace |
| CN201163149Y (en) * | 2008-01-24 | 2008-12-10 | 郑州市科慧高科技发展有限公司 | Electric resistance furnace |
| CN202403553U (en) * | 2011-08-18 | 2012-08-29 | 西安奥杰电热设备工程有限责任公司 | Four-unit frequency conversion resistor furnace heating device |
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|---|---|
| CN102564142B (en) | 2016-06-15 |
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