CN208786377U - A kind of microwave-heating device - Google Patents
A kind of microwave-heating device Download PDFInfo
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- CN208786377U CN208786377U CN201821539393.3U CN201821539393U CN208786377U CN 208786377 U CN208786377 U CN 208786377U CN 201821539393 U CN201821539393 U CN 201821539393U CN 208786377 U CN208786377 U CN 208786377U
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Abstract
The utility model relates to a kind of microwave-heating devices comprising preheating part, reacting part and discharging portion；Preheating part includes the feed inlet and preheating cavity of connection setting；Reacting part includes shell, liner, microwave generating apparatus and blender, the wall thickness of liner is 15~30mm and is located in reacting part, the inside of liner forms the pyrolysis chamber being connected to preheating cavity, it is pyrolyzed intracavitary be equipped with and inhales parts for wave, and the internal incubation cavity for being equipped with thermal insulation material is formed between liner and the inner wall of reacting part, microwave generating apparatus is set to outside shell, for intracavitary transmitting microwave is pyrolyzed, blender, which is used to stir to be located at, to be pyrolyzed intracavitary material；Discharging portion includes the feed bin and discharge port being successively connected to pyrolysis chamber.The microwave-heating device, can effectively improve pyrolysis efficiency, can continuous production, and liner will not occur in pyrolytic process and burst.
Description
Technical field
The utility model relates to consersion unit technical fields, and in particular to a kind of microwave-heating device.
Background technique
The principle of microwave heating technique is: when hot medium to be added is placed in microwave electromagnetic field, having pole in dielectric material
Molecule and non-polar molecule will form dipole or existing dipole rearranges, and during this, molecule can be handed over high frequency
Electromagnetic Field is swung with up to several hundred million times speed per second, during which certainly will need to overcome the original warm-up movement of molecule and molecule mutual
Between the interference and obstruction that act on therefore can generate the effect similar to friction, so that electromagnetic energy is gradually transformed into thermal energy, make medium
Temperature appearance is significantly promoted.
Microwave heating technique compares traditional fossil energy heating technique, and heating is more evenly, heat transfer loss is lower, heats effect
Rate is higher and has the better feature of environmental protection and higher safety.Therefore, industrial circle also gradually starts application of microwave heating
Technology.For example, in recent years, microwave-heating stove is gradually adopted to be situated between waste plastic, waste old, clinical waste, chemical industry greasy filth etc.
Matter is heated, these media is made to be pyrolyzed as oil plant, not coagulate fuel gas and solid product.
Microwave-heating device in the prior art, capacity is smaller, power is smaller, it can be achieved that small lot materials pyrolysis, it is right
In the pyrolysis of high-volume material, generally requiring to be performed in multiple times, efficiency is lower, meanwhile, microwave-heating wall in the prior art
It is thick relatively thin, if carrying out the pyrolysis of high-volume material, it is understood that there may be therefore the problem of bursting can only intermittently be pyrolyzed, that is to say, that
After being pyrolyzed a period of time, blowing out cooling is pyrolyzed, efficiency is lower again later.
Therefore, how a kind of microwave-heating device can adapt to the pyrolysis of high-volume material is provided, improves and is pyrolyzed efficiency, and
Will not burst in pyrolytic process is those skilled in the art's technical issues that need to address.
Utility model content
The purpose of the utility model is to provide a kind of microwave-heating device, pyrolysis efficiency can be effectively improved, can continuous production, and
It will not be burst in pyrolytic process.
In order to solve the above technical problems, the utility model provides a kind of microwave-heating device comprising preheating part, reacting part and
Discharging portion；The preheating part includes the feed inlet and preheating cavity of connection setting；The reacting part includes shell, liner, microwave hair
Generating apparatus and blender, the wall thickness of the liner are 15~30mm and are located in the reacting part that the inside of the liner is formed
The pyrolysis chamber being connected to the preheating cavity, intracavitary be equipped with of the pyrolysis inhales parts for wave, and the liner and the reacting part is interior
The internal incubation cavity for being equipped with thermal insulation material is formed between wall, the microwave generating apparatus is set to outside the shell, is used for described
It is pyrolyzed intracavitary transmitting microwave, the blender, which is used to stir, is located at the intracavitary material of the pyrolysis；The discharging portion includes successively
The feed bin and discharge port being connected to the pyrolysis chamber.
Specifically, material enters preheating part by feed inlet, then entered in the pyrolysis chamber in liner by preheating cavity, and micro-
Microwave-heating reaction is carried out under the microwave that wave generating device is emitted, the mixed combustible gas generated after pyrolytic reaction is pre- by being set to
High-temperature oil gas that hot portion is connected to preheating cavity exports discharge, wherein electromagnetic energy caused by microwave generating apparatus originally when
It waits and is mainly absorbed by being pyrolyzed intracavitary suction parts for wave, be conducted to material, with the raising for being pyrolyzed intracavitary temperature, material constantly quilt
Pyrolysis, state also constantly change, and wave-sucking performance gradually increases, and inhale the electromagnetic energy that parts for wave and material absorb and are completely converted into heat
It can be to maintain pyrolysis temperature, the material after pyrolytic reaction enters in the feed bin of discharging portion and is discharged by discharge port.
The microwave-heating device is before pyrolytic reaction, first to the intracavitary inert gas (such as nitrogen) that is passed through of pyrolysis to exclude to be pyrolyzed
Then intracavitary oxygen starts to carry out pyrolytic reaction, the fuel gas for being pyrolyzed generation can keep oxygen-free environment in liner, can protect
Going on smoothly for the pyrolytic reaction is demonstrate,proved, internal situations such as exploding is avoided.
Liner in the microwave-heating device is straight bobbin structure, and the wall thickness of the liner is 15~30mm, compared to existing skill
For the liner no more than 15mm thickness in art, the wall thickness for increasing liner can effectively improve its intensity, make that it is suitable for high-power
The microwave-heating device of (20KW or more), and it is configurable to biggish bore (internal diameter is such as set to 600mm or so), to realize
Large-scale lasting pyrolysis guarantees what the liner will not be burst in pyrolytic process while effectively improving pyrolysis efficiency
Situation.
Meanwhile blender is additionally provided in the microwave-heating device, blender is stirred the material in liner, to accelerate object
The pyrolysis of material, so that being pyrolyzed intracavitary material heat since the stirring action of blender can be when using the liner of larger capacity
Solution more evenly more rapidly.In addition, inhaling the setting of parts for wave convenient for the progress of microwave-heating reaction.
In addition, thermal insulation material is filled in incubation cavity, so that the material in liner can be reduced when carrying out pyrolytic reaction
It is pyrolyzed chamber and external generation heat exchange, to guarantee going on smoothly for pyrolytic reaction, in the present embodiment, not to the thermal insulation material material
It is required that as long as its can high temperature resistant, do not absorb microwave, be nonflammable, good heat preservation performance, reduce and be pyrolyzed intracavitary material and external occur
Heat exchange.
Optionally, the inner wall of the shell is equipped with zinc coat, conductive oxide layer.
Optionally, the liner is that the purity of silica is greater than 99.9% quartzy liner.
Optionally, the suction parts for wave is fixedly arranged on the blender.
Optionally, the outer wall inhaled parts for wave and be embedded in the blender.
Optionally, the material for inhaling parts for wave is silica, iron oxide, copper oxide, manganese dioxide, barium titanate, iron
At least one of oxysome, nano ceramics.
Optionally, the blender is blade construction or helical structure.
Optionally, the microwave generating apparatus includes that the microwave for the outer wall that multiple uniform intervals are set to the shell occurs
Device.
Optionally, the setting angle of the two neighboring microwave generator is different.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of microwave-heating device provided by the utility model；
Fig. 2 is the schematic diagram of internal structure of Fig. 1.
In attached drawing 1-2, the reference numerals are as follows:
1- preheating part, 11- feed inlet, 12- preheating cavity, the outlet of 13- high-temperature oil gas；
2- reacting part, 21- shell, 22- liner, 23- microwave generator, 24- blender, 25- are pyrolyzed chamber, and 26- inhales wave portion
Part, 27- incubation cavity；
3- discharging portion, 32- discharge port, 33- stock guide.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, with reference to the accompanying drawing and have
The utility model is described in further detail for body embodiment.
Fig. 1-2 is please referred to, Fig. 1 is the structural schematic diagram of microwave-heating device provided by the utility model；Fig. 2 is Fig. 1
Schematic diagram of internal structure.
The utility model embodiment provides a kind of microwave-heating device, and as depicted in figs. 1 and 2, which includes
Preheating part 1, reacting part 2 and discharging portion 3；Wherein, preheating part 1 includes the feed inlet 11 and preheating cavity 12 of connection setting；Reacting part 2
Including shell 21, liner 22, microwave generating apparatus and blender 24, liner 22 is the straight pipe structure in reacting part 2, and
The pyrolysis chamber 25 of the liner 22 being connected to a thickness of 15~30mm, the inside formation of liner 22 with preheating cavity 12, the pyrolysis chamber 25
Interior be equipped with inhales parts for wave 26, and the internal incubation cavity 27 for being equipped with thermal insulation material, microwave are formed between liner 22 and the inner wall of reacting part 2
Generating device is set to outside shell 21, and emits microwave into pyrolysis chamber 25, and blender 24 is located in pyrolysis chamber 25 for stirring
Material；Discharging portion 3 includes the feed bin 31 and discharge port 32 being successively connected to pyrolysis chamber 25.
Specifically, material enters preheating part 1 by feed inlet 11, the pyrolysis chamber 25 in liner 22 is then entered by preheating cavity 12
In, and microwave-heating reaction is carried out under the microwave that microwave generating apparatus is emitted, the mixing generated after pyrolytic reaction is flammable
Gas is by being set to 13 discharge of high-temperature oil gas outlet that preheating part 1 is connected to preheating cavity 12, wherein electricity caused by microwave generating apparatus
Magnetic energy is mainly absorbed by the suction parts for wave 26 in pyrolysis chamber 25 when originally, is conducted to material, in pyrolysis chamber 25
The raising of temperature, material is constantly pyrolyzed, state also constantly changes, and wave-sucking performance gradually increases, and inhales parts for wave 26 and material
The electromagnetic energy of absorption is completely converted into thermal energy to maintain pyrolysis temperature, and the material after pyrolytic reaction enters the feed bin 31 of discharging portion 3
It is interior and be discharged by discharge port 32.
The microwave-heating device is first passed through inert gas (such as nitrogen) into pyrolysis chamber 25 before pyrolytic reaction to exclude heat
The oxygen in chamber 25 is solved, then starts to carry out pyrolytic reaction, the fuel gas for being pyrolyzed generation can keep anaerobic ring in liner 22
Border, it is ensured that the pyrolytic reaction is gone on smoothly, and avoids internal situations such as exploding.
Liner 22 in the microwave-heating device is straight bobbin structure, and the wall thickness of the liner 22 is 15~30mm, compared to existing
Have for the liner 22 no more than 15mm thickness in technology, the wall thickness for increasing liner 22 can effectively improve its intensity, be applicable in it
In the microwave-heating device of high-power (20KW or more), and it is configurable to biggish bore and (internal diameter is such as set to the left side 600mm
It is right), to realize that large-scale lasting pyrolysis guarantees the liner 22 in pyrolytic process not while effectively improving pyrolysis efficiency
It can there is a situation where burst.
Meanwhile blender 24 is additionally provided in the microwave-heating device, blender 24 is stirred the material in liner 22, with
Accelerate the pyrolysis of material, so that when using the liner 22 of larger capacity, since the stirring action of blender 24 can be pyrolysis chamber
Material pyrolysis in 25 more evenly more rapidly.In addition, inhaling the setting of parts for wave 26 convenient for the progress of microwave-heating reaction.
In addition, thermal insulation material is filled in incubation cavity 27, so that the material in liner 22 is when carrying out pyrolytic reaction, it can
Pyrolysis chamber 25 and external generation heat exchange are reduced, to guarantee going on smoothly for pyrolytic reaction, in the present embodiment, to the thermal insulation material
Material does not require, if its can high temperature resistant, do not absorb microwave, be nonflammable, good heat preservation performance, reduce pyrolysis chamber 25 in material with
Heat exchange occurs for outside.
In the above-described embodiments, the inner wall of shell 21 is equipped with zinc coat, conductive oxide layer, also with regard to being stated, incubation cavity 27
The side wall of side far from liner 22 is equipped with zinc coat, conductive oxide layer etc., to reduce the skin effect on 21 surface of shell, reduces
Loss.Further, the wall thickness of each position of the liner 22 is consistent, keeps so set, being conducive to 22 each position temperature of liner
Unanimously.
In the above-described embodiments, liner 22 is that the purity of silica is greater than 99.9% quartzy liner, silica
Purity is higher, and wave, temperature tolerance and chemical stability are better.Certainly, in the present embodiment, the material of the liner 22 can be with
Other ceramic materials for not absorbing microwave are selected as, do not do specific requirement herein, and quartzy liner 22 is microwave permeability occasioned good, economical
Property is good.
It inhales parts for wave 26 to be located in pyrolysis chamber 25, its position is not required, in the present embodiment, which is consolidated
It set on blender 24, is directly placed into pyrolysis chamber 25 compared to by the suction parts for wave 26, and comes with the scheme that material passes in and out together
It says, parts for wave 26 will be inhaled and be fixedly arranged on the pick-and-place that blender 24 is convenient for the suction parts for wave 26, being not necessarily to after pyrolytic reaction will from material
It is chosen, simplified operation, easy to use.
In the above-described embodiments, the outer wall that parts for wave 26 is embedded in blender 24 is inhaled, which can also be led to
It crosses and the modes such as is bolted, rivets, welding and realize fixed with blender 24, do not require herein, and be embedded in blender 24
Outer wall can simplify the overall structure of the blender 24, convenient for clearing up it.
In the above-described embodiments, the material for inhaling parts for wave 26 is silica, iron oxide, copper oxide, manganese dioxide, metatitanic acid
At least one of barium, ferrite, nano ceramics, that is to say, that the material for inhaling parts for wave 26 can be a kind of above-mentioned material,
Specific requirement is not done in the mixing that can be two or more materials herein, and when inhaling parts for wave 26 equipped with more than one,
Each material for inhaling parts for wave 26 can be the same or different, and not require herein.
In the above-described embodiments, blender 24 is blade construction or helical structure, as long as can stir material
It mixes, the pyrolysis of material can be accelerated and is pyrolyzed the material being pyrolyzed in chamber 25 uniformly.
In the above-described embodiments, microwave generating apparatus includes that the microwave for the outer wall that multiple uniform intervals are set to shell 21 occurs
Device 23, certainly, in the present embodiment, which may also be only a monomer structure, i.e., only a microwave occurs
Device 23, and the ophitron 23 for being set as multiple uniform intervals settings occurs compared to a large-scale microwave is set as
For the structure of device 23, structure is more stable, and more evenly, pyrolysis stability is good for the microwave emitted into pyrolysis chamber 25.
Further, when being equipped with the microwave generator 23 of multiple uniform intervals setting, two neighboring microwave generator 23
Setting angle it is different, i.e., the installation direction of two neighboring microwave generator 23 is different, and each microwave generator 23 is along shell 21
Laterally, longitudinal direction is staggered, and avoids the occurrence of microwave generator 23 and interferes with each other, and guarantees that the field strength distribution in pyrolysis chamber 25 is equal
It is even.
In the above-described embodiments, the stock guide 33 of the tilted setting of feed bin 31, for material to be oriented to discharge port 32, this is led
Flitch 33 play the guiding role, and convenient for the discharge of material, avoids material from accumulation occurring in feed bin 31 to generate dead angle, increases cleaning
Difficulty.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of microwave-heating device, which is characterized in that including preheating part (1), reacting part (2) and discharging portion (3)；
The preheating part (1) includes the feed inlet (11) and preheating cavity (12) of connection setting；
The reacting part (2) includes shell (21), liner (22), microwave generating apparatus and blender (24), the liner (22)
Wall thickness be 15~30mm and be located in the shell (21) that the inside of the liner (22) is formed with the preheating cavity (12) even
Logical pyrolysis chamber (25), interior be equipped with of the pyrolysis chamber (25) inhales parts for wave (26), and the liner (22) and the reacting part (2)
Inner wall between form the internal incubation cavity (27) for being equipped with thermal insulation material, the microwave generating apparatus is set to the shell (21)
Outside, for emitting microwave into the pyrolysis chamber (25), the blender (24) is located in the pyrolysis chamber (25) for stirring
Material；
The discharging portion (3) includes the feed bin (31) and discharge port (32) being successively connected to pyrolysis chamber (25).
2. microwave-heating device according to claim 1, which is characterized in that the inner wall of the shell (21) be equipped with zinc coat,
Conductive oxide layer.
3. microwave-heating device according to claim 1, which is characterized in that the liner (22) is that the purity of silica is big
In 99.9% quartzy liner.
4. microwave-heating device according to claim 1-3, which is characterized in that the suction parts for wave (26) is fixedly arranged on
The blender (24).
5. microwave-heating device according to claim 4, which is characterized in that the suction parts for wave (26) is embedded in the stirring
The outer wall of device (24).
6. microwave-heating device according to claim 1-3, which is characterized in that the material for inhaling parts for wave (26)
For at least one of silicon carbide, iron oxide, copper oxide, manganese dioxide, graphite, barium titanate, ferrite, nano ceramics.
7. microwave-heating device according to claim 1-3, which is characterized in that the blender (24) is blade knot
Structure or helical structure.
8. microwave-heating device according to claim 1-3, which is characterized in that the microwave generating apparatus includes more
A uniform intervals are set to the microwave generator (23) of the outer wall of the shell (21).
9. microwave-heating device according to claim 8, which is characterized in that the peace of the two neighboring microwave generator (23)
It is different to fill angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821539393.3U CN208786377U (en) | 2018-09-19 | 2018-09-19 | A kind of microwave-heating device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821539393.3U CN208786377U (en) | 2018-09-19 | 2018-09-19 | A kind of microwave-heating device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111139099A (en) * | 2020-01-19 | 2020-05-12 | 北京诺芯环境科技有限公司 | Microwave pyrolysis equipment |
| CN112745962A (en) * | 2019-10-31 | 2021-05-04 | 中国石油化工股份有限公司 | Vertical biomass cracking reaction device |
| CN113999975A (en) * | 2021-10-29 | 2022-02-01 | 上海大学 | Microwave lattice distribution structure in solid waste dezincification and design method |
| CN114713613A (en) * | 2022-04-06 | 2022-07-08 | 广东熹钻技术有限公司 | Microwave plasma reaction cavity and regulating method thereof |
-
2018
- 2018-09-19 CN CN201821539393.3U patent/CN208786377U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112745962A (en) * | 2019-10-31 | 2021-05-04 | 中国石油化工股份有限公司 | Vertical biomass cracking reaction device |
| CN112745962B (en) * | 2019-10-31 | 2022-08-12 | 中国石油化工股份有限公司 | Vertical biomass cracking reaction device |
| CN111139099A (en) * | 2020-01-19 | 2020-05-12 | 北京诺芯环境科技有限公司 | Microwave pyrolysis equipment |
| CN113999975A (en) * | 2021-10-29 | 2022-02-01 | 上海大学 | Microwave lattice distribution structure in solid waste dezincification and design method |
| CN114713613A (en) * | 2022-04-06 | 2022-07-08 | 广东熹钻技术有限公司 | Microwave plasma reaction cavity and regulating method thereof |
| CN114713613B (en) * | 2022-04-06 | 2022-11-11 | 广东熹钻技术有限公司 | Microwave plasma reaction cavity and regulating method thereof |
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