CN201648477U - High-temperature strong-convection circulatory atmosphere cover type heat treating furnace with separated fan and heat area - Google Patents
High-temperature strong-convection circulatory atmosphere cover type heat treating furnace with separated fan and heat area Download PDFInfo
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- CN201648477U CN201648477U CN201020116869XU CN201020116869U CN201648477U CN 201648477 U CN201648477 U CN 201648477U CN 201020116869X U CN201020116869X U CN 201020116869XU CN 201020116869 U CN201020116869 U CN 201020116869U CN 201648477 U CN201648477 U CN 201648477U
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Abstract
The utility model belongs to the field of high-temperature annealing and heat treatment, which particularly relates to a high-temperature strong-convection circulatory atmosphere cover type heat treating furnace. The high-temperature strong-convection circulatory atmosphere cover type heat treating furnace with separated fan and heat area comprises an inner cover (1), a heating cover (2), a flow guide barrel (3), a material rack platform (6), a furnace platform (10) and a support rack (11), wherein the middle of the material rack platform (6) is provided with a ventilating passage (15) which is communicated with the inner cavity of the furnace platform (10); a circulatory fan (16) is arranged in the furnace platform (10); an air delivering pipe of the circulatory fan (16) is connected with the ventilating passage (15); and a heating insulating plate (8) is arranged in the ventilating passage (15). As the circulatory fan is arranged in the high-temperature strong-convection circulatory atmosphere cover type heat treating furnace, the utility model utilizes the circulatory air flow to enhance the heating speed and heating uniformity during high-temperature heat treatment, can well realize the high-temperature heat treatment process, ensure the good high-temperature heat treatment quality, and also can achieve the effects of enhancement of production rate, property uniformity and little adhesion of products.
Description
Technical field
The utility model belongs to high temperature annealing thermal treatment field, relates in particular to a kind of high temperature strong convection circulating atmosphere Scale Bell-type Heat Treatment Furnace.
Background technology
Present existing annealing furnace mostly is the non high temperature full-hydrogen hood-type annealing furnace, is used for general annealing, and this annealing furnace is the thermal treatment unit that has the strong convection circulating atmosphere, and its structure is that recirculation blower is arranged in the stove inner compartment, is not suitable for the high-temperature heat treatment mode.And final high temperature annealing thermal treatment temp is generally 1180～1200 ℃ in the oriented electrical steel production, and the equipment of oriented electrical steel The high temperature anneal mainly contains two kinds, and a kind of is the high temperature bell type annealing furnace, and another kind is the stove that goes in ring.
The high temperature annealing of oriented electrical steel is an important procedure, on this operation, realizes the secondary recrystallization that oriented electrical steel is important and purifies annealing process.Existing oriented electrical steel high temperature bell type annealing furnace; one cover high temperature bell furnace table has four monovolume tables; adopt a big oval heating mantles; Electric heating; 4 monovolume inner cover tables are arranged in the oval heating mantles; each table does not have the convection circulation blower fan, has only a pipeline that advances to protect gas from the bottom.Oriented electrical steel is in the high temperature furnace annealing of no convection current circulating atmosphere, and the annealing cycle is long, the lack of homogeneity of annealing product.
Existing high temperature cover annealing is by the radiative transfer between coil of strip and inner cover, and heat transfer rate is slow.Particularly coil of strip radially, because of the MgO coating is arranged, thermal conductivity is lower, thermal resistance between layer and the layer is very big, produce the big temperature difference on the coil of strip section, the glassy membrane and the magnetic that cause coil of strip length and width to form are inhomogeneous, have influenced the various performance index of product.
The utility model content
Technical problem to be solved in the utility model has provided the isolating high temperature strong convection of a kind of blower fan and hot-zone circulating atmosphere Scale Bell-type Heat Treatment Furnace, and this processing stove utilizes recirculation blower to accelerate product airflow circulation on every side, improves heating uniformity, shortens the annealing cycle.
The utility model is achieved in that the isolating high temperature strong convection of a kind of blower fan and hot-zone circulating atmosphere Scale Bell-type Heat Treatment Furnace, comprises inner cover, heating mantles, guide shell, bin platform, table and bracing frame; Described table is fixed on the bracing frame, described bin platform is fixed on the table, described guide shell is fixed on the top of bin platform, inlet pipe and vapor pipe are housed on the table, inner cover is fixed on and covers the bin platform on the table, be tightly connected between inner cover and the table, described heating mantles is arranged on the bracing frame, heating mantles covers on outside the inner cover, have parichnos in the middle of the described bin platform with the table intracavity inter-connection, recirculation blower is housed in the table, and the induction pipe of described recirculation blower links to each other with parichnos, in the described parichnos thermal baffle is housed.
Described thermal baffle is the double thermal insulation screen, the thermal radiation in the shielding burner hearth.
Air ring is equipped with at described inner cover and the table place of being tightly connected, and air ring is connected to water inlet pipe and water shoot.
Thermopair is equipped with at the top of described bin platform.
On the described vapor pipe vacuum system is housed.
Adorned recirculation blower in the strong circulating atmosphere heat treatment furnace of high temperature bell-type of the present utility model, the circulating current that utilizes recirculation blower to drive when carrying out high-temperature heat treatment has improved rate of heating and the heating uniformity to sample, can better realize the high-temperature heat treatment process process, the high-temperature heat treatment quality that both can guarantee, can improve the productivity of product again, product performance are even.
Description of drawings
Fig. 1 is the isolating high temperature strong convection of a utility model blower fan and hot-zone circulating atmosphere Scale Bell-type Heat Treatment Furnace structural representation.
Among the figure: 1 inner cover, 2 heating mantleses, 3 guide shells, 4 samples, 5 inner cover air rings, 6 bin platforms, 7 water inlet pipes, 8 thermal baffles, 9 thermopairs, 10 tables, 11 bracing frames, 12 inlet pipe, 13 vapor pipes, 14 water shoots, 15 parichnoss, 16 recirculation blowers, 17 vacuum systems.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model statement, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
A kind of blower fan and hot-zone isolating high temperature strong convection circulating atmosphere Scale Bell-type Heat Treatment Furnace comprises inner cover 1, heating mantles 2, guide shell 3, bin platform 6, table 10 and bracing frame 11, the table 10 outer furnace shells that sealing is housed; Described table 10 is fixed on the bracing frame 11, described bin platform 6 is fixed on the table 10, described guide shell 3 is fixed on the top of bin platform 6, guide shell 3 is an annular cylindrical shell, be arranged on outer ring, bin platform 6 top, when heat-treating, sample 4 is placed on bin platform 6 tops and is positioned at guide shell 3, the height of guide shell 3 is higher than the height of sample 4, guide shell 3 promotes the circulation of sample 4 ambient airs, improve heats, thermopair 9 also is equipped with at the top of bin platform 6, in order to measure the temperature of heating region;
Inlet pipe 12 and vapor pipe 13 are housed on the described table 10, inner cover 1 is fixed on and covers bin platform 6 on the table 10, be tightly connected between inner cover 1 and the table 10, adopt inner cover 1 that sample 4 is separated with extraneous, in inner cover 1, can charge into shielding gas (nitrogen, hydrogen, argon gas) protection sample 4;
Described heating mantles 2 is arranged on the bracing frame 11, heating mantles 2 covers on outside the inner cover 1, have parichnos 15 in the middle of the described bin platform 6 with table 10 intracavity inter-connections, recirculation blower 16 is housed in the table 10, the induction pipe of described recirculation blower 16 links to each other with parichnos 15, make gas circulation convection current in the heat treatment furnace by recirculation blower 16, to improve temperature homogeneity in rate of heating and the sample 4, thermal baffle 8 is housed in the parichnos 15, and thermal baffle 8 shields to isolate the damage of radiant heat to impellers in the recirculation blower 16 for double thermal insulation; Can improve heating efficiency like this, boost productivity, solve the problem that bonding die and product performance lack of homogeneity easily take place high temperature annealing.
Temperature because of inner cover 1 is very high in the present embodiment, high temperature may damage the sealing-ring between inner cover 1 and the table 10, so air ring 5 also is equipped with at described inner cover 1 and table 10 places of being tightly connected, air ring 5 is connected to water inlet pipe 7 and water shoot 14, sealing-ring is cooled off, guarantee the effect that seals.
In addition, of particular note, on the described vapor pipe 13 vacuum system 17 is housed also, when heating, vacuum outgas is carried out on sample 4 surfaces and handled.
Claims (5)
1. the isolating high temperature strong convection of a blower fan and hot-zone circulating atmosphere Scale Bell-type Heat Treatment Furnace comprises inner cover (1), heating mantles (2), guide shell (3), bin platform (6), table (10) and bracing frame (11); Described table (10) is fixed on the bracing frame (11), described bin platform (6) is fixed on the table (10), described guide shell (3) is fixed on the top of bin platform (6), inlet pipe (12) and vapor pipe (13) are housed on the table (10), inner cover (1) is fixed on and covers bin platform (6) on the table (10), be tightly connected between inner cover (1) and the table (10), described heating mantles (2) is arranged on the bracing frame (11), heating mantles (2) covers on outside the inner cover (1), it is characterized in that: have parichnos (15) in the middle of the described bin platform (6) with table (10) intracavity inter-connection, recirculation blower (16) is housed in the table (10), the induction pipe of described recirculation blower (16) links to each other with parichnos (15), and thermal baffle (8) is housed in the described parichnos (15).
2. the isolating high temperature strong convection of blower fan as claimed in claim 1 and hot-zone circulating atmosphere Scale Bell-type Heat Treatment Furnace is characterized in that: described thermal baffle (8) is double thermal insulation screen, the thermal radiation in the shielding burner hearth.
3. the isolating high temperature strong convection of blower fan as claimed in claim 1 and hot-zone circulating atmosphere Scale Bell-type Heat Treatment Furnace, it is characterized in that: air ring (5) is equipped with at described inner cover (1) and table (10) place of being tightly connected, and air ring (5) is connected to water inlet pipe (7) and water shoot (14).
4. the isolating high temperature strong convection of blower fan as claimed in claim 1 and hot-zone circulating atmosphere Scale Bell-type Heat Treatment Furnace, it is characterized in that: thermopair (9) is equipped with at the top of described bin platform (6).
5. the isolating high temperature strong convection of blower fan as claimed in claim 1 and hot-zone circulating atmosphere Scale Bell-type Heat Treatment Furnace is characterized in that: vacuum system (17) is housed on the described vapor pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020116869XU CN201648477U (en) | 2010-02-23 | 2010-02-23 | High-temperature strong-convection circulatory atmosphere cover type heat treating furnace with separated fan and heat area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020116869XU CN201648477U (en) | 2010-02-23 | 2010-02-23 | High-temperature strong-convection circulatory atmosphere cover type heat treating furnace with separated fan and heat area |
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| CN201648477U true CN201648477U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201020116869XU Expired - Lifetime CN201648477U (en) | 2010-02-23 | 2010-02-23 | High-temperature strong-convection circulatory atmosphere cover type heat treating furnace with separated fan and heat area |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102534180A (en) * | 2012-03-12 | 2012-07-04 | 溧阳市宏大机械设备有限公司 | Double-layer sealing non-standard cover furnace |
| CN102586581A (en) * | 2012-03-12 | 2012-07-18 | 溧阳市宏大机械设备有限公司 | Top forced convection type non-standard bell-type furnace |
| CN102586579A (en) * | 2012-03-12 | 2012-07-18 | 溧阳市宏大机械设备有限公司 | Nonstandard bell-type furnace |
| CN102586551A (en) * | 2012-03-12 | 2012-07-18 | 溧阳市宏大机械设备有限公司 | Bottom heating non-standard bell-type furnace |
| CN102586582A (en) * | 2012-03-12 | 2012-07-18 | 溧阳市宏大机械设备有限公司 | Bottom side air inlet type non-standard bell-type furnace |
| CN102888504A (en) * | 2011-07-20 | 2013-01-23 | 艾伯纳工业炉(太仓)有限公司 | Guide cylinder of wire bell-type furnace for bright annealing |
| CN103014572A (en) * | 2012-11-14 | 2013-04-03 | 云南钛业股份有限公司 | Protective atmosphere cover annealing method for Titanium and titanium alloy plates |
| CN103031427A (en) * | 2012-11-14 | 2013-04-10 | 云南钛业股份有限公司 | Stacking type cover annealing method for titanium and titanium alloy plate |
| CN103759540A (en) * | 2014-01-14 | 2014-04-30 | 湖南顶立科技有限公司 | Stirring diversion system and batch-type carbide furnace |
| CN108342561A (en) * | 2018-04-20 | 2018-07-31 | 山翁工业炉(嘉善)有限公司 | A kind of nodularization bell furnace without decarbonizing process using full nitrogen |
| CN108977629A (en) * | 2018-08-22 | 2018-12-11 | 上海宝钢包装钢带有限公司 | The method for annealing of Varying-thickness vehicle dormer window crossbeam |
| CN114150132A (en) * | 2021-12-08 | 2022-03-08 | 中冶南方（武汉）热工有限公司 | Multifunctional furnace section of continuous roller hearth annealing furnace and working method thereof |
| CN116970792A (en) * | 2023-06-25 | 2023-10-31 | 江苏甬金金属科技有限公司 | Hot air circulating type oxygen-isolation dustproof annealing furnace |
-
2010
- 2010-02-23 CN CN201020116869XU patent/CN201648477U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102888504A (en) * | 2011-07-20 | 2013-01-23 | 艾伯纳工业炉(太仓)有限公司 | Guide cylinder of wire bell-type furnace for bright annealing |
| CN102534180A (en) * | 2012-03-12 | 2012-07-04 | 溧阳市宏大机械设备有限公司 | Double-layer sealing non-standard cover furnace |
| CN102586581A (en) * | 2012-03-12 | 2012-07-18 | 溧阳市宏大机械设备有限公司 | Top forced convection type non-standard bell-type furnace |
| CN102586579A (en) * | 2012-03-12 | 2012-07-18 | 溧阳市宏大机械设备有限公司 | Nonstandard bell-type furnace |
| CN102586551A (en) * | 2012-03-12 | 2012-07-18 | 溧阳市宏大机械设备有限公司 | Bottom heating non-standard bell-type furnace |
| CN102586582A (en) * | 2012-03-12 | 2012-07-18 | 溧阳市宏大机械设备有限公司 | Bottom side air inlet type non-standard bell-type furnace |
| CN103014572A (en) * | 2012-11-14 | 2013-04-03 | 云南钛业股份有限公司 | Protective atmosphere cover annealing method for Titanium and titanium alloy plates |
| CN103031427A (en) * | 2012-11-14 | 2013-04-10 | 云南钛业股份有限公司 | Stacking type cover annealing method for titanium and titanium alloy plate |
| CN103759540A (en) * | 2014-01-14 | 2014-04-30 | 湖南顶立科技有限公司 | Stirring diversion system and batch-type carbide furnace |
| CN108342561A (en) * | 2018-04-20 | 2018-07-31 | 山翁工业炉(嘉善)有限公司 | A kind of nodularization bell furnace without decarbonizing process using full nitrogen |
| CN108977629A (en) * | 2018-08-22 | 2018-12-11 | 上海宝钢包装钢带有限公司 | The method for annealing of Varying-thickness vehicle dormer window crossbeam |
| CN114150132A (en) * | 2021-12-08 | 2022-03-08 | 中冶南方（武汉）热工有限公司 | Multifunctional furnace section of continuous roller hearth annealing furnace and working method thereof |
| CN114150132B (en) * | 2021-12-08 | 2023-12-26 | 中冶南方（武汉）热工有限公司 | Multifunctional furnace section of continuous roller hearth annealing furnace and working method thereof |
| CN116970792A (en) * | 2023-06-25 | 2023-10-31 | 江苏甬金金属科技有限公司 | Hot air circulating type oxygen-isolation dustproof annealing furnace |
| CN116970792B (en) * | 2023-06-25 | 2024-04-19 | 江苏甬金金属科技有限公司 | Hot air circulating type oxygen-isolation dustproof annealing furnace |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |
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| CX01 | Expiry of patent term |