CN104534864A - Electrically-heating continuous internal-heating high temperature rotary kiln - Google Patents
Electrically-heating continuous internal-heating high temperature rotary kiln Download PDFInfo
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- CN104534864A CN104534864A CN201410773125.8A CN201410773125A CN104534864A CN 104534864 A CN104534864 A CN 104534864A CN 201410773125 A CN201410773125 A CN 201410773125A CN 104534864 A CN104534864 A CN 104534864A
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Abstract
The invention relates to an electrically-heating continuous internal-heating high temperature rotary kiln. A hearth of the kiln is internally provided with a graphite heating pipe which is an insulation quilt, the periphery of the insulation quilt is covered by a metal flux weakening integrally-sealed furnace casing, and the two ends of the sealed furnace casing are hermetically connected with an inlet cover and an outlet cover statically and movably; the inlet cover is connected with a spiral feeder, a mechanical driving component is fixed on the furnace casing, and the furnace casing is supported by front and rear support rollers. According to the rotary kiln provided by the invention, aiming at a continuous electrically-heating rotary kiln is low in using temperature, an ultrahigh temperature internal heating rotary kiln which can be continuously used at 300-2000 DEG C heated by an inner hearth or a product through an external heating way is adopted to prevent the limitation on the highest temperature of the kiln caused by the using temperature of high temperature stainless steel alloy, solve the demand that powder needs to be dynamically and continuously calcined in batches in either a high temperature field or an ultrahigh temperature field, and fill in the blank of calcining equipment of the continuous high temperature rotary kiln, therefore the rotary kiln has a good market promotion prospect.
Description
One, technical field
The present invention relates to a kind of electrical heating continuous internal heat type high temperature rotating kiln, belong to structural design and the manufacturing technology field of electrical heating Industrial Stoves equipment.
Two, background technology
Current continuous electric heating kiln substantially all adopts external heat structure, according to technological temperature requirement, revolving cylinder can adopt different types of stainless steel alloy steel plate to make, revolving cylinder outside adopts resistance wire, the heater element resistance heated such as Elema, by stainless steel revolving cylinder outer surface, heat is passed in burner hearth, because stainless steel revolving cylinder is heat transfer carrier, transmit the driving torque needed for kiln rotation again, therefore, the elevated temperature strength of stainless steel material and heatproof limit the serviceability temperature of current electric heating rotary kiln, general maximum operation (service) temperature only reaches 200 DEG C.
The present invention be directed to that existing market continuous electric heating kiln serviceability temperature is low, the internal furnace that adopts external heating mode to propose or product self-heating, a kind of superhigh temperature internal heat type kilns that can use continuously at 300 ~ 2000 DEG C, the serviceability temperature of high temperature stainless steel alloy is avoided to the restriction of kiln maximum temperature from structural principle, solve the equipment needs of high temperature or the dynamic continuous calcining product of superhigh temperature field powder needs batch, fill up continuous high-temperature calcined by rotary kiln equipment blank, there is good marketing prospect.
Three, summary of the invention
The object of this invention is to provide a kind of electrical heating continuous internal heat type high temperature rotating kiln that normally can use continuously at 300 ~ 2000 DEG C, realize the dynamic calcining of powder in the condition of high temperature.
The object of the present invention is achieved like this: a kind of electrical heating continuous internal heat type high temperature rotating kiln, it comprises: body of heater shell, load coil, insulation quilt, graphite heating pipe, static and dynamic sealing, screw feeder, import cover, compensating pipe, mechanical driving, backing roll, go out mouth mask, burner hearth inside is graphite heating pipe, graphite heating pipe is outward insulation quilt, insulation quilt periphery metal weak magnetic integral sealing body of heater shell wraps up, Sealing furnace body case two ends and import cover, going out mouth mask adopts static and dynamic sealing to connect, import cover is connected with screw feeder, body of heater shell is fixed with mechanical driving, support with backing roll before and after body of heater shell, load coil is bent into by hollow copper tube, interior logical recirculated cooling water, load coil is arranged in the outside of body of heater shell, all be connected with inert protective gas in body of heater shell and graphite heating pipe, insulation quilt is fixed on body of heater shell inner cavity, goes out mouth mask and is positioned at kiln afterbody, is connected with outlet static and dynamic sealing, described insulation quilt is built into by multiple insulation materials such as carbon felt, graphite felt, aluminium oxide, and insulation quilt is fixed on body of heater shell inner cavity, described graphite heating pipe through high-density graphite electrode machining, then by multiple graphite-pipe with being threaded, forms whole graphite burner hearth, described body of heater shell adopts metal plate-like material to make, and adopt integral sealing welding, body of heater shell is as revolving cylinder, and body of heater shell adopts weak magnetic metal material, can realize furnace sealing and driving torque transmission, described screw feeder and import cover are tightly connected, and screw feeder is made up of helical axis, urceolus, deceleration motor etc., utilize helix to rotate material sending in burner hearth graphite heating pipe, described mechanical driving is the drive part of kiln, mainly comprises chain gear transmission part, reducing motor drive division grades, and chain gear transmission part is directly fixed on body of heater outer surface of outer cover, described electrical heating continuous internal heat type high temperature rotating kiln, internal furnace or product self-heating, can shorten the Product Process time, and have obvious energy saving effect.
The weak magnetic metal material seal welding of cylinder of rotary kiln of the present invention forms, and provides the seal chamber of gas shield.The various flame-proof thermal insulation material of metal cylinder liner (according to furnace lining heat-insulating property needs), improves the heat-insulating property of kiln, and internal furnace builds high power graphite processed.Induction coil layout, in the outside of cylinder of rotary kiln, when induction coil leads to alternating current, is positioned at high power graphite or the magnetic conduction product heating itself of inside, induction coil magnetic field, realizes internal furnace heating or product self-heating.By the setting of the single or multiple thermal treatment zone, the continuous process of Realization of Product low-temperature prewarming, high temperature, cooling.Cylinder is owing to being weak magnetic metal material, and under the effect of induction alternating current, react very little, cylinder remains self mechanical strength, as the stressed member of gyration moment of torsion; In addition, cylinder is also for atmosphere protection provides condition.
Four, accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
Description of reference numerals: body of heater shell 1, load coil 2, insulation quilt 3, graphite heating pipe 4, static and dynamic sealing 5, screw feeder 6, import cover 7, compensating pipe 8, mechanical driving 9, backing roll 10, goes out mouth mask 11.
Five, implementation
Below in conjunction with accompanying drawing, the present invention will be further described.
With reference to accompanying drawing, a kind of electrical heating continuous internal heat type of the present invention high temperature rotating kiln, it comprises: body of heater shell 1, load coil 2, insulation quilt 3, graphite heating pipe 4, static and dynamic sealing 5, screw feeder 6, import cover 7, compensating pipe 8, mechanical driving 9, backing roll 10, go out mouth mask 11, burner hearth inside is graphite heating pipe 4, graphite heating pipe 4 is outer is insulation quilt 3, insulation quilt 3 periphery metal weak magnetic integral sealing body of heater shell 1 wraps up, Sealing furnace body case 1 two ends and import cover 7, going out mouth mask 11 adopts static and dynamic sealing 5 to connect, import cover 7 is connected with screw feeder 6, body of heater shell 1 is fixed with mechanical driving 9, support with backing roll 10 before and after body of heater shell 1, load coil 2 is bent into by hollow copper tube, interior logical recirculated cooling water, load coil 2 is arranged in the outside of body of heater shell 1, all be connected with inert protective gas in body of heater shell 1 and graphite heating pipe 4, insulation quilt 3 is fixed on body of heater shell 1 inner chamber, goes out mouth mask 11 and is positioned at kiln afterbody, is connected with outlet static and dynamic sealing 5.
In order to realize superhigh temperature eddy-current heating, graphite heating pipe 4, under the effect of load coil 2, produces induced-current, realizes heating.High power graphite heating pipe 4 through high-density graphite electrode machining, then by multiple graphite-pipe with being threaded, forms whole graphite burner hearth.Load coil 2 is bent into by hollow copper tube, and interior logical recirculated cooling water, load coil 2 is arranged in the outside of body of heater shell 1.
Not oxidized in order to ensure graphite heating pipe 4, insulation quilt 3, be all connected with inert protective gas in body of heater shell 1 and graphite heating pipe 4.Insulation quilt 3 is built into by multiple insulation materials such as carbon felt, graphite felt, aluminium oxide, and insulation quilt 3 is fixed on body of heater shell 1 inner chamber.
In order to realize static and dynamic sealing, static and dynamic sealing 5 position is provided with compensating pipe 4, compensating pipe 4 is corrugated metal pipe, reduces the reasons such as rotary motion is beated, machining deformation, thermal deformation and has an impact to sealing.Static and dynamic sealing adopts graphite annulus mechanical seal mode, adopts telescopic spring to apply thrust, realizes self adaptation static and dynamic sealing.
Body of heater shell 1 adopts metal plate-like material to make, and adopts integral sealing welding.In order to ensure that metal stove outer covering 1 does not generate heat or generates heat very little under the effect of load coil 2, body of heater shell 1 adopts weak magnetic metal material, can realize furnace sealing and driving torque transmission.
To achieve these goals, the present invention adopts eddy-current heating, and weak magnetic metallic material shell 1 is as revolving cylinder, graphite heating pipe 4 or internal product itself are as heater, internal furnace or product self-heating, can shorten the Product Process time, and have obvious energy saving effect.
Screw feeder 6 and import cover 7 are tightly connected, and screw feeder 6 is made up of helical axis, urceolus, deceleration motor etc., utilize helix to rotate material sending in burner hearth graphite heating pipe 4.Import cover 7 is static and dynamic sealings 5 and the excessive section of screw feeder 6, mainly for toxic emission with realize static and dynamic sealing.
Mechanical driving 9 is drive parts of kiln, mainly comprises chain gear transmission part, reducing motor drive division grades, and chain gear transmission part is directly fixed on body of heater shell 1 outer surface.
In order to realize rotary motion, two ends are respectively provided with 1 group of backing roll 10, often organize backing roll and are made up of, by revolving cylinder frame between roller pair of rolls wheel.
Going out mouth mask 11 and be positioned at kiln afterbody, is the discharging transition warehouse of kiln, is connected with outlet static and dynamic sealing 5.
The superhigh temperature of electrical heating continuous internal heat type high temperature rotating kiln uses, for carbothermy high temperature dynamics synthesize, the high-temperature heat treatment of oxide powder, the high temperature purification of native graphite powder, the synthesis in solid state etc. of multiple powder of nitride powder, have great importance.
Claims (7)
1. an electrical heating continuous internal heat type high temperature rotating kiln, it comprises: body of heater shell (1), load coil (2), insulation quilt (3), graphite heating pipe (4), static and dynamic sealing (5), screw feeder (6), import cover (7), compensating pipe (8), mechanical driving (9), backing roll (10), go out mouth mask (11), it is characterized in that: burner hearth inside is graphite heating pipe (4), graphite heating pipe (4) is outward insulation quilt (3), insulation quilt (3) periphery metal weak magnetic integral sealing body of heater shell (1) wraps up, Sealing furnace body case (1) two ends and import cover (7), going out mouth mask (11) adopts static and dynamic sealing (5) to connect, import cover (7) is connected with screw feeder (6), body of heater shell (1) is fixed with mechanical driving (9), support with backing roll (10) before and after body of heater shell (1), load coil (2) is bent into by hollow copper tube, interior logical recirculated cooling water, load coil (2) is arranged in the outside of body of heater shell (1), all inert protective gas is connected with in body of heater shell (1) and graphite heating pipe (4), insulation quilt (3) is fixed on body of heater shell (1) inner chamber, go out mouth mask (11) and be positioned at kiln afterbody, be connected with outlet static and dynamic sealing (5).
2. electrical heating continuous internal heat type high temperature rotating kiln as claimed in claim 1, it is characterized in that: insulation quilt (3) is built into by multiple insulation materials such as carbon felt, graphite felt, aluminium oxide, and insulation quilt (3) is fixed on body of heater shell (1) inner chamber.
3. electrical heating continuous internal heat type high temperature rotating kiln as claimed in claim 1, is characterized in that: graphite heating pipe (4) through high-density graphite electrode machining, then by multiple graphite-pipe with being threaded, forms whole graphite burner hearth.
4. electrical heating continuous internal heat type high temperature rotating kiln as claimed in claim 1, it is characterized in that: body of heater shell (1) adopts metal plate-like material to make, employing integral sealing welds, body of heater shell (1) is as revolving cylinder, body of heater shell (1) adopts weak magnetic metal material, can realize furnace sealing and driving torque transmission.
5. electrical heating continuous internal heat type high temperature rotating kiln as claimed in claim 1, it is characterized in that: screw feeder (6) and import cover (7) are tightly connected, screw feeder (6) is made up of helical axis, urceolus, deceleration motor etc., utilizes helix to rotate material sending in burner hearth graphite heating pipe (4).
6. electrical heating continuous internal heat type high temperature rotating kiln as claimed in claim 1, it is characterized in that: mechanical driving (9) is the drive part of kiln, mainly comprise chain gear transmission part, reducing motor drive division grades, chain gear transmission part is directly fixed on body of heater shell (1) outer surface.
7. electrical heating continuous internal heat type high temperature rotating kiln as claimed in claim 1, is characterized in that: internal furnace or product self-heating, can shorten the Product Process time, and have obvious energy saving effect.
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| CN201410773125.8A CN104534864B (en) | 2014-12-01 | 2014-12-01 | Electrically-heating continuous internal-heating high temperature rotary kiln |
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| CN201410773125.8A CN104534864B (en) | 2014-12-01 | 2014-12-01 | Electrically-heating continuous internal-heating high temperature rotary kiln |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135874A (en) * | 2015-10-07 | 2015-12-09 | 张琪雯 | Mineral refining furnace |
| CN105256128A (en) * | 2015-09-28 | 2016-01-20 | 安徽冠华黄金科技有限公司 | Electromagnetic heating reaction kettle rotary kiln with temperature control and exhaust functions |
| CN105258497A (en) * | 2015-09-28 | 2016-01-20 | 安徽冠华黄金科技有限公司 | Electromagnetic heating reaction kettle rotary kiln with high stability |
| CN107894397A (en) * | 2017-12-18 | 2018-04-10 | 上海仪电分析仪器有限公司 | Self-adapting type graphite furnace self-locking device |
| CN108085518A (en) * | 2017-12-21 | 2018-05-29 | 广东先导先进材料股份有限公司 | A kind of preparation method of vacuum distillation plant and super high purity indium |
| CN110260651A (en) * | 2019-07-22 | 2019-09-20 | 镇江龙源铝业有限公司 | A kind of continuous heating for aluminium strip |
| CN111365983A (en) * | 2020-04-23 | 2020-07-03 | 河南龙成煤高效技术应用有限公司 | Rotary kiln |
| CN112146432A (en) * | 2019-06-26 | 2020-12-29 | 康荷 | Electric heating kiln furnace body structure with built-in spiral track propelling groove |
| CN112518345A (en) * | 2020-12-18 | 2021-03-19 | 云南建投安装股份有限公司 | Underground space and hydraulic tunnel advanced small guide pipe processing device |
| CN114684806A (en) * | 2022-04-22 | 2022-07-01 | 赵延锋 | Carbon composite rotary heating process and device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000161859A (en) * | 1998-11-30 | 2000-06-16 | Daido Steel Co Ltd | External heating rotary kiln furnace and its operation control method |
| CN201014917Y (en) * | 2007-02-27 | 2008-01-30 | 泰州恒翔无线电专用设备有限公司 | Full airproof atmosphere protection high temperature continuous calcination rotary kiln |
| CN201522187U (en) * | 2009-05-22 | 2010-07-07 | 林鹏 | Middle frequency induction horizontal rotation heating furnace |
| CN102419086A (en) * | 2011-12-20 | 2012-04-18 | 湖南省中晟热能科技有限公司 | Microwave and electricity hybrid heating high-temperature rotary kiln |
| CN103134307A (en) * | 2013-03-18 | 2013-06-05 | 古晓跃 | Electromagnetic induction heating rotary kiln |
| JP5656411B2 (en) * | 2010-01-14 | 2015-01-21 | 高砂工業株式会社 | Rotary kiln |
| CN204388576U (en) * | 2014-12-01 | 2015-06-10 | 咸阳华光窑炉设备有限公司 | Electrical heating continuous internal heat type high temperature rotating kiln |
-
2014
- 2014-12-01 CN CN201410773125.8A patent/CN104534864B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000161859A (en) * | 1998-11-30 | 2000-06-16 | Daido Steel Co Ltd | External heating rotary kiln furnace and its operation control method |
| CN201014917Y (en) * | 2007-02-27 | 2008-01-30 | 泰州恒翔无线电专用设备有限公司 | Full airproof atmosphere protection high temperature continuous calcination rotary kiln |
| CN201522187U (en) * | 2009-05-22 | 2010-07-07 | 林鹏 | Middle frequency induction horizontal rotation heating furnace |
| JP5656411B2 (en) * | 2010-01-14 | 2015-01-21 | 高砂工業株式会社 | Rotary kiln |
| CN102419086A (en) * | 2011-12-20 | 2012-04-18 | 湖南省中晟热能科技有限公司 | Microwave and electricity hybrid heating high-temperature rotary kiln |
| CN103134307A (en) * | 2013-03-18 | 2013-06-05 | 古晓跃 | Electromagnetic induction heating rotary kiln |
| CN204388576U (en) * | 2014-12-01 | 2015-06-10 | 咸阳华光窑炉设备有限公司 | Electrical heating continuous internal heat type high temperature rotating kiln |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256128A (en) * | 2015-09-28 | 2016-01-20 | 安徽冠华黄金科技有限公司 | Electromagnetic heating reaction kettle rotary kiln with temperature control and exhaust functions |
| CN105258497A (en) * | 2015-09-28 | 2016-01-20 | 安徽冠华黄金科技有限公司 | Electromagnetic heating reaction kettle rotary kiln with high stability |
| CN105258497B (en) * | 2015-09-28 | 2017-04-12 | 安徽冠华黄金科技有限公司 | Electromagnetic heating reaction kettle rotary kiln with high stability |
| CN105256128B (en) * | 2015-09-28 | 2017-08-08 | 安徽冠华黄金科技有限公司 | A kind of Electromagnetic Heating reactor rotary kiln with temperature control degassing function |
| CN105135874A (en) * | 2015-10-07 | 2015-12-09 | 张琪雯 | Mineral refining furnace |
| CN105135874B (en) * | 2015-10-07 | 2016-12-07 | 张琪雯 | A kind of mineral refining stove |
| CN107894397A (en) * | 2017-12-18 | 2018-04-10 | 上海仪电分析仪器有限公司 | Self-adapting type graphite furnace self-locking device |
| CN108085518A (en) * | 2017-12-21 | 2018-05-29 | 广东先导先进材料股份有限公司 | A kind of preparation method of vacuum distillation plant and super high purity indium |
| CN112146432A (en) * | 2019-06-26 | 2020-12-29 | 康荷 | Electric heating kiln furnace body structure with built-in spiral track propelling groove |
| CN112146432B (en) * | 2019-06-26 | 2023-05-02 | 康荷 | Electric heating kiln body structure with built-in spiral track propulsion groove |
| CN110260651A (en) * | 2019-07-22 | 2019-09-20 | 镇江龙源铝业有限公司 | A kind of continuous heating for aluminium strip |
| CN111365983A (en) * | 2020-04-23 | 2020-07-03 | 河南龙成煤高效技术应用有限公司 | Rotary kiln |
| CN112518345A (en) * | 2020-12-18 | 2021-03-19 | 云南建投安装股份有限公司 | Underground space and hydraulic tunnel advanced small guide pipe processing device |
| CN114684806A (en) * | 2022-04-22 | 2022-07-01 | 赵延锋 | Carbon composite rotary heating process and device |
| CN114684806B (en) * | 2022-04-22 | 2024-03-26 | 赵延锋 | Carbon composite rotary heating process and device |
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