CN108444283A - A kind of microwave rotary hearth furnace - Google Patents
A kind of microwave rotary hearth furnace Download PDFInfo
- Publication number
- CN108444283A CN108444283A CN201810324881.0A CN201810324881A CN108444283A CN 108444283 A CN108444283 A CN 108444283A CN 201810324881 A CN201810324881 A CN 201810324881A CN 108444283 A CN108444283 A CN 108444283A
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- China
- Prior art keywords
- microwave
- stainless steel
- special
- resistant
- furnace
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- 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
- F27B13/00—Furnaces with both stationary charge and progression of heating, e.g. of ring type, of type in which segmental kiln moves over stationary charge
-
- 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
- F27B13/00—Furnaces with both stationary charge and progression of heating, e.g. of ring type, of type in which segmental kiln moves over stationary charge
- F27B13/06—Details, accessories, or equipment peculiar to furnaces of this type
-
- 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
- F27B13/00—Furnaces with both stationary charge and progression of heating, e.g. of ring type, of type in which segmental kiln moves over stationary charge
- F27B13/06—Details, accessories, or equipment peculiar to furnaces of this type
- F27B13/08—Casings
- F27B13/10—Arrangements of linings
-
- 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
- F27B13/00—Furnaces with both stationary charge and progression of heating, e.g. of ring type, of type in which segmental kiln moves over stationary charge
- F27B13/06—Details, accessories, or equipment peculiar to furnaces of this type
- F27B13/12—Arrangements of heating devices
Abstract
The invention discloses a kind of microwave rotary hearth furnaces, including stainless steel furnace body, stainless steel furnace body is placed on grate, the outer of stainless steel furnace body is equipped with microwave heating system, the top of stainless steel furnace body is equipped with feed system, stainless steel furnace interior is equipped with refractory burner hearth, the bottom of refractory burner hearth is equipped with microwave special-purpose fire-resistant furnace bottom, microwave special-purpose fire-resistant furnace bottom is placed on rotatable stove bottom, microwave special-purpose fire-resistant furnace bottom is fixedly arranged above charging tray, charging tray is equipped with scraper plate discharging machine, and the inside of stainless steel furnace body is equipped with form, and elastic carbon brush is equipped between stainless steel furnace body and rotatable stove bottom.Beneficial effects of the present invention：Material is heated by the way of microwave heating, microwave irradiation material, acutely concussion rubs and heat for intermolecular generation after material absorbs microwave, heating rate is fast, material reaction quickly completes, and capacity usage ratio is high, in other words, non-metal kind material is handled using the microwave rotary hearth furnace, has the advantages that material heating rate is fast, the thermal efficiency is high.
Description
Technical field
The present invention relates to technical field of smelting, relate in particular to a kind of microwave rotary hearth furnace.
Background technology
Rotary hearth furnace is used to handle iron-containing waste earliest, after be used for the direct-reduction of iron ore, by nearly development in 30 years,
Rotary hearth furnace is also by development and application in other techniques, such as handles the heat treatment etc. of Zinc-Bearing Wastes, metal class product, but for place
Reason non-metal kind material (such as the cracking of organic matter, calcining etc. of inorganic material) should be used less.And the heating side of rotary hearth furnace
Formula is mainly resistance and gas heating, and ordinary material heating rate is slow, the thermal efficiency is low.
Invention content
For the problems in the relevant technologies, the present invention proposes a kind of microwave rotary hearth furnace, is heated in the way of microwave energy-feeding
Non-metal kind material, material heating rate is fast, the thermal efficiency is high.
To realize the above-mentioned technical purpose, the technical proposal of the invention is realized in this way：
A kind of microwave rotary hearth furnace, including stainless steel furnace body, the stainless steel furnace body are placed on grate, outside the stainless steel furnace body
It is equipped with microwave heating system, the top of the stainless steel furnace body is equipped with feed system, and the stainless steel furnace interior is equipped with micro-
The bottom of wave special-purpose fire-resistant burner hearth, the microwave special-purpose fire-resistant burner hearth is equipped with microwave special-purpose fire-resistant furnace bottom, and the microwave is special resistance to
Stove bottom is placed on rotatable stove bottom, and the microwave special-purpose fire-resistant furnace bottom is fixedly arranged above charging tray, and the charging tray is equipped with scraper plate
The inside of discharging machine, the stainless steel furnace body is equipped with form, and Elastic Carbon is equipped between the stainless steel furnace body and rotatable stove bottom
Brush.
Further, microwave special-purpose fire-resistant furnace wall, microwave special-purpose fire-resistant stove of the microwave special-purpose fire-resistant burner hearth by both sides
The microwave dedicated ceramic cellucotton composition that the microwave Special support roller and surrounding of bottom and roof of the furnace are laid with.
Further, close using labyrinth type between the microwave special-purpose fire-resistant furnace wall and the both sides of microwave special-purpose fire-resistant furnace bottom
Seal structure.
Further, the microwave heating system is connected with microwave leaky antenna and microwave straight wave guide.
Further, the microwave leaky antenna and microwave straight wave guide are set to stainless steel furnace body outer shroud.
Further, the microwave leaky antenna is located at the top of microwave special-purpose fire-resistant burner hearth.
Further, the distribution form of the microwave straight wave guide is omnidirectional distribution.
Further, one end of the elastic carbon brush is fixed on rotatable stove bottom side, the other end of the elasticity carbon brush
It contacts to form dynamic sealing with stainless steel furnace body.
Further, the scraper plate discharging machine is consistent with the direction of rotation at rotatable stove bottom.
Further, the form is made of cut-off waveguide pipe and transparent glass.
Beneficial effects of the present invention：Material is heated by the way of microwave heating, microwave irradiation material, material is inhaled
Intermolecular generation acutely shakes friction after receipts microwave and heat, heating rate are fast, and material reaction quickly completes, capacity usage ratio
In other words height handles non-metal kind material using the microwave rotary hearth furnace, with that material heating rate is fast, the thermal efficiency is high is excellent
Point, and different atmospheres is can be widely applied to, various nonmetallic materials are handled and calcined.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of vertical view of the microwave rotary hearth furnace described according to embodiments of the present invention；
Fig. 2 is sectional view along A-A in Fig. 1.
In figure：
1, microwave heating system；2, feed system；3, scraper plate discharging machine；4, stainless steel furnace body；5, microwave special-purpose fire-resistant burner hearth；6、
Charging tray；7, ceramic fiber cotton；8, microwave Special support roller；9, form；10, elastic carbon brush；11, rotatable stove bottom；12, microwave is special
With refractory-lined ovens bottom；13, grate；14, microwave special-purpose fire-resistant furnace wall；15, microwave straight wave guide；16, microwave leaky antenna.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained belong to what the present invention protected
Range.
As shown in Figs. 1-2, a kind of microwave rotary hearth furnace, including stainless steel furnace body 4, the stainless steel furnace body 4 are placed in grate 13
On, the outer of the stainless steel furnace body 4 is equipped with microwave heating system 1, and the top of the stainless steel furnace body 4 is equipped with feed system 2,
The stainless steel furnace body 4 is internally provided with microwave special-purpose fire-resistant burner hearth 5, and the bottom of the microwave special-purpose fire-resistant burner hearth 5 is equipped with microwave
Special-purpose fire-resistant furnace bottom 12, the microwave special-purpose fire-resistant furnace bottom 12 are placed on rotatable stove bottom 11, the microwave special-purpose fire-resistant furnace bottom
12 are fixedly arranged above charging tray 6, and the charging tray 6 is equipped with scraper plate discharging machine 3, and the inside of the stainless steel furnace body 4 is equipped with form 9,
Elastic carbon brush 10 is equipped between the stainless steel furnace body 4 and rotatable stove bottom 11.
Microwave special-purpose fire-resistant furnace wall 14, microwave special-purpose fire-resistant furnace bottom 12 and of the microwave special-purpose fire-resistant burner hearth 5 by both sides
The microwave dedicated ceramic cellucotton 7 that the microwave Special support roller 8 and surrounding of roof of the furnace are laid with forms.
Labyrinth sealing knot is used between the microwave special-purpose fire-resistant furnace wall 14 and the both sides of microwave special-purpose fire-resistant furnace bottom 12
Structure, since by the way of microwave heating, material absorbs self-heating after microwave, and microwave special-purpose fire-resistant furnace wall 14 and microwave are special
The temperature at refractory-lined ovens bottom 12 is relatively low, and thermal expansion amount is small, and smaller can be arranged to obtain in the gap in labyrinth, effectively prevents dissipating for heat
It loses, increases the thermal efficiency.
The microwave heating system 1 is connected with microwave leaky antenna 16 and microwave straight wave guide 15, using microwave leaky antenna
16 and microwave straight wave guide 15 simultaneously energy regenerative mode, it is uneven to solve inner ring and outer rings microwave intensity when microwave circularizes arrangement
The problem of.
The microwave leaky antenna 16 and microwave straight wave guide 15 are set to 4 outer shroud of stainless steel furnace body, due to outer shroud Zhou Chang great
In inner ring so that the microwave of furnace chamber inner ring is better than furnace chamber outer shroud, increases microwave straight wave guide 15 by the outer shroud in stainless steel furnace body 4
The microwave intensity of furnace chamber outer shroud is supplemented with microwave leaky antenna 16, so that temperature of charge is evenly.
The microwave leaky antenna 16 is located at the top of microwave special-purpose fire-resistant burner hearth 5, from top down to the object in charging tray
Material carries out energy regenerative.
The distribution form of the microwave straight wave guide 15 is omnidirectional distribution.
One end of the elasticity carbon brush 10 is fixed on 11 side of rotatable stove bottom, the other end of the elasticity carbon brush 10 with not
4 contact of rust steel stove body forms dynamic sealing, which is a kind of special microwave Special carbon brush, not only with conducting function but also
Have the function of sealing microwave, conducting function makes furnace chamber form continuous microwave field along section, and sealing the function of microwave prevents
Microwave from the gap between stainless steel stove body 4 and rotatable stove bottom 11 enters water seal, effectively prevents water seal and inhales wave to energy
The waste of consumption.
The scraper plate discharging machine 3 is consistent with the direction of rotation at rotatable stove bottom 11, is continuous discharging.
The form 9 is made of cut-off waveguide pipe and transparent glass, and cut-off waveguide pipe plays a part of to seal microwave, thoroughly
Bright glass plays blanket gas.
When specifically used, material from feed system 2 equably under on charging tray 6, in company with rotatable stove bottom 11 together around
Center rotates, and microwave heating system 1 heats material, and intermolecular generation is violent after material absorption microwave shakes friction and give birth to
Heat, material are brought rapidly up set temperature, through isothermal reaction after a period of time, achieve the purpose that calcining, the material of burning-out by
Scraper plate discharging machine 3 scrapes.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of microwave rotary hearth furnace, which is characterized in that including stainless steel furnace body（4）, the stainless steel furnace body（4）It is placed in grate
（13）On, the stainless steel furnace body（4）Outer be equipped with microwave heating system（1）, the stainless steel furnace body（4）Top be equipped with
Feed system（2）, the stainless steel furnace body（4）It is internally provided with microwave special-purpose fire-resistant burner hearth（5）, the microwave special-purpose fire-resistant burner hearth
（5）Bottom be equipped with microwave special-purpose fire-resistant furnace bottom（12）, the microwave special-purpose fire-resistant furnace bottom（12）It is placed in rotatable stove bottom（11）
On, the microwave special-purpose fire-resistant furnace bottom（12）It is fixedly arranged above charging tray（6）, the charging tray（6）It is equipped with scraper plate discharging machine（3）,
The stainless steel furnace body（4）Inside be equipped with form（9）, the stainless steel furnace body（4）With rotatable stove bottom（11）Between be equipped with
Elastic carbon brush（10）.
2. a kind of microwave rotary hearth furnace according to claim 1, which is characterized in that the microwave special-purpose fire-resistant burner hearth（5）By
The microwave special-purpose fire-resistant furnace wall of both sides（14）, microwave special-purpose fire-resistant furnace bottom（12）With the microwave Special support roller of roof of the furnace（8）
And the microwave dedicated ceramic cellucotton that surrounding is laid with（7）Composition.
3. a kind of microwave rotary hearth furnace according to claim 2, which is characterized in that the microwave special-purpose fire-resistant furnace wall（14）With
Microwave special-purpose fire-resistant furnace bottom（12）Both sides between use labyrinth seal structure.
4. a kind of microwave rotary hearth furnace according to claim 1, which is characterized in that the microwave heating system（1）It is connected with
Microwave leaky antenna（16）With microwave straight wave guide（15）.
5. a kind of microwave rotary hearth furnace according to claim 4, which is characterized in that the microwave leaky antenna（16）And microwave
Straight wave guide（15）It is set to stainless steel furnace body（4）Outer shroud.
6. a kind of microwave rotary hearth furnace according to claim 5, which is characterized in that the microwave leaky antenna（16）Positioned at micro-
Wave special-purpose fire-resistant burner hearth（5）Top.
7. a kind of microwave rotary hearth furnace according to claim 4 or 5, which is characterized in that the microwave straight wave guide（15）Point
Cloth form is omnidirectional distribution.
8. a kind of microwave rotary hearth furnace according to claim 1, which is characterized in that the elasticity carbon brush（10）One end fix
At rotatable stove bottom（11）Side, the elasticity carbon brush（10）The other end and stainless steel furnace body（4）Contact forms dynamic sealing.
9. a kind of microwave rotary hearth furnace according to claim 1, which is characterized in that the scraper plate discharging machine（3）With it is rotatable
Furnace bottom（11）Direction of rotation it is consistent.
10. a kind of microwave rotary hearth furnace according to claim 1, which is characterized in that the form（9）By cut-off waveguide pipe
It is formed with transparent glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324881.0A CN108444283A (en) | 2018-04-12 | 2018-04-12 | A kind of microwave rotary hearth furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324881.0A CN108444283A (en) | 2018-04-12 | 2018-04-12 | A kind of microwave rotary hearth furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108444283A true CN108444283A (en) | 2018-08-24 |
Family
ID=63199695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810324881.0A Pending CN108444283A (en) | 2018-04-12 | 2018-04-12 | A kind of microwave rotary hearth furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN108444283A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112844272A (en) * | 2021-02-22 | 2021-05-28 | 河北龙亿环境工程有限公司 | Application of microwave rotary hearth furnace in carbonization reaction |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000016807A (en) * | 1998-07-01 | 2000-01-18 | Mitsubishi Heavy Ind Ltd | Powder carbon graphitizing and baking apparatus |
| JP2009197272A (en) * | 2008-02-21 | 2009-09-03 | Nippon Steel Engineering Co Ltd | Rotary hearth furnace |
| CN102353254A (en) * | 2011-08-05 | 2012-02-15 | 湖南省中晟热能科技有限公司 | Microwave and electricity hybrid heating high temperature push plate kiln |
| CN102778128A (en) * | 2012-08-17 | 2012-11-14 | 西安瑞驰节能工程有限责任公司 | Airtight-ring-type heating furnace insulating from air |
| CN103123220A (en) * | 2011-11-21 | 2013-05-29 | 北京华翔电炉技术有限责任公司 | Adjustable material plate rotating device applied to vacuum furnace |
| CN106834626A (en) * | 2017-03-23 | 2017-06-13 | 湖南省中晟热能科技有限公司 | A kind of microwave steel belt furnace |
| CN208124861U (en) * | 2018-04-12 | 2018-11-20 | 湖南省中晟热能科技有限公司 | A kind of microwave rotary hearth furnace |
-
2018
- 2018-04-12 CN CN201810324881.0A patent/CN108444283A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000016807A (en) * | 1998-07-01 | 2000-01-18 | Mitsubishi Heavy Ind Ltd | Powder carbon graphitizing and baking apparatus |
| JP2009197272A (en) * | 2008-02-21 | 2009-09-03 | Nippon Steel Engineering Co Ltd | Rotary hearth furnace |
| CN102353254A (en) * | 2011-08-05 | 2012-02-15 | 湖南省中晟热能科技有限公司 | Microwave and electricity hybrid heating high temperature push plate kiln |
| CN103123220A (en) * | 2011-11-21 | 2013-05-29 | 北京华翔电炉技术有限责任公司 | Adjustable material plate rotating device applied to vacuum furnace |
| CN102778128A (en) * | 2012-08-17 | 2012-11-14 | 西安瑞驰节能工程有限责任公司 | Airtight-ring-type heating furnace insulating from air |
| CN106834626A (en) * | 2017-03-23 | 2017-06-13 | 湖南省中晟热能科技有限公司 | A kind of microwave steel belt furnace |
| CN208124861U (en) * | 2018-04-12 | 2018-11-20 | 湖南省中晟热能科技有限公司 | A kind of microwave rotary hearth furnace |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112844272A (en) * | 2021-02-22 | 2021-05-28 | 河北龙亿环境工程有限公司 | Application of microwave rotary hearth furnace in carbonization reaction |
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