CN208279565U - A kind of novel fast pyrolysis reactor - Google Patents
A kind of novel fast pyrolysis reactor Download PDFInfo
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- CN208279565U CN208279565U CN201721860047.0U CN201721860047U CN208279565U CN 208279565 U CN208279565 U CN 208279565U CN 201721860047 U CN201721860047 U CN 201721860047U CN 208279565 U CN208279565 U CN 208279565U
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- pyrolysis reactor
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Abstract
The utility model is specifically related to a kind of novel fast pyrolysis reactor, comprising: reactor shell, distributing device and heat accumulation type radiant tube, wherein the top of the reactor shell is ellipsoid structure, and middle part is annular barrel structure, and bottom is pyramidal structure；It is evenly arranged with multiple feed inlets in the ellipsoid structure, multiple distributing devices corresponding with the feed inlet are equipped in the ellipsoid structure, the region that the ellipsoid structure is formed is cloth area；It is equipped with heat accumulation type radiant tube described in multilayer in the annular barrel structure, every layer of radiant tube be provided with more radiant tubes, and every layer of heat accumulation type radiant tube is radial in the horizontal direction is uniformly arranged, and the region that the annular barrel structure is formed is reaction zone.The top of the utility model reactor shell is ellipsoid structure, and middle part is annular barrel structure, and bottom is that pyramidal structure pressure resistance and heat-resisting ability are stronger, is applicable not only to low pressure and hyperbaric environment and is suitable for low temperature and hot environment.
Description
Technical field
The utility model belongs to petrochemical technology field, and in particular to a kind of novel fast pyrolysis reactor.
Background technique
Fast pyrogenation refers under conditions of anaerobic or limit oxygen, and material is rapidly heated to pyrolysis required temperature, so that containing
Chemical bond rupture reaction rapidly occurs for carbon macromolecule, and the working environment of high temperature and pressure can be to the generating rate for improving thermal decomposition product
It improves a lot.Fast pyrolysis reactor is generally divided into the reaction units such as fluidized bed, moving bed, revolving bed, and benefit at present
The requirement of the Temperature Distribution and heating rate in temperature field is realized with having two methods of carrier and carrier-free, however heat is used to carry
The flashing reactor of body is related to the uniformly distributed of carrier and raw material, mixing and react and downstream vector and semicoke product divide
From, again a series of complex technique such as preheat, convey again, lead to high failure rate, overall thermal low efficiency.Also have indirect using carrier-free
Conduct heat reactor, but heat transfer efficiency is low, and large-scale is more difficult, and is more the reactor using rectangular section, this shape
The reactor of formula is suitable only under the operating condition of middle low temperature, normal pressure and low pressure, is gone back at present for the flashing reactor of high temperature and pressure
It need to further develop.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of novel fast pyrolysis reactor, reactor shell
Top is ellipsoid structure, and middle part is annular barrel structure, and bottom is that pyramidal structure pressure resistance and heat-resisting ability are stronger, is not only applicable in
In low pressure and hyperbaric environment and it is suitable for low temperature and hot environment.
To solve the above problems, the technical solution adopted in the utility model are as follows:
A kind of novel fast pyrolysis reactor, comprising: reactor shell, distributing device and heat accumulation type radiant tube, wherein
The top of the reactor shell is ellipsoid structure, and middle part is annular barrel structure, and bottom is pyramidal structure；
Be evenly arranged with multiple feed inlets in the ellipsoid structure, be equipped in the ellipsoid structure it is multiple with it is described into
The corresponding distributing device of material mouth, the region that the ellipsoid structure is formed are cloth area；
Heat accumulation type radiant tube described in multilayer, the in vertical direction accumulation of heat of every adjacent two layers are equipped in the annular barrel structure
Formula radiant tube is to be interspersed, and every layer of radiant tube is provided with more radiant tubes, and every layer of heat accumulation type radiant tube is in level side
Radial upwards to be uniformly arranged, the region that the annular barrel structure is formed is reaction zone；
The bottom of the pyramidal structure is evenly arranged with multiple coke outlets, and the region that the pyramidal structure is formed is discharging
Area.
Further, the reactor shell is provided with heat insulating refractory material, and the reactor shell is by 6-30mm's
Steel plate materials are made, the heat insulating refractory material with a thickness of 200-400mm.
Further, the number of the feed inlet and the distributing device is 4-12.
Further, the caliber of the radiant tube is 100-600mm, and the distance between radiant tube described in upper layer and lower layer is
2000-3000mm, the radiant tube are provided with 6-12 layers, and every layer is provided with 8-12 root radiant tube.
Further, further include pyrolysis gas outlet, be set to the top of the discharge zone.
Further, the number of the coke outlet is 4-12.
Further, the absolute pressure in the reactor cylinder body is 0-600KPa, and temperature is 500-1000 DEG C.
Further, the central diameter of the reactor shell is 3-20m, is highly 6-50m, and the spacing of inner ring and outer ring is 1-
5m。
Further, the distributing device is located at the feed inlet lower part, and the center line of the distributing device and the charging
The center line of mouth is overlapped.
Further, the radiant tube is made of heat-resistant steel, and the pipe thickness of the radiant tube is 8-15mm.
The utility model has the beneficial effects that:
(1) top of reactor shell is ellipsoid structure, and middle part is annular barrel structure, bottom be pyramidal structure pressure resistance and
Heat-resisting ability is stronger；
(2) low pressure and hyperbaric environment are applicable not only to and is suitable for low temperature and hot environment；
(3) relative to heat carrier rapid pyrolysis reactor, which simplifies structure, reduces manufacturing cost, improves material
Utilization rate；
(4) whole system manufacture and installation are simple, and continuous operating time is long；
(5) diversification and enlargement may be implemented according to production-scale size in reactor, and system is easily industrialized；
(6) pyrolysis can be made more thorough under high temperature and high pressure environment, the yield of pyrolysis gas is higher；Reactor can be according to pyrolysis
The requirement of product adjusts internal temperature and pressure.
Detailed description of the invention
Fig. 1 is the novel fast pyrolysis reactor overall structure figure of the utility model.
Fig. 2 is the novel fast pyrolysis reactor of the utility model along the face A-A cross-sectional view.
Wherein, 1. reactor shell；2. feed inlet；3. distributing device；4. heat accumulation type radiant tube；5. pyrolysis gas outlet；6. going out
Jiao Kou.
Specific embodiment
In order to enable those skilled in the art to better understand the technical solutions of the present invention, combined with specific embodiments below
The utility model is described in further detail.It note that the embodiments described below is exemplary, be only used for explaining this
Utility model, and should not be understood as limiting the present invention.Particular technique or condition are not specified in embodiment, according to this
Technology or conditions described in document in field are carried out according to product description.Production is not specified in agents useful for same or instrument
Manufacturer person, being can be with conventional products that are commercially available.
The requirement of downstream process is answered, pyrolysis gas needs to realize the conveying of high temperature and pressure, however existing rectangular section at present
No heat carrier rapid pyrolysis reactor is suitable only for low-pressure delivery, is not able to satisfy process requirements.The utility model and existing square
Tee section is compared without heat carrier rapid pyrolysis reactor, and the wider structure of the scope of application is more reliable.The structure type of cartridge type first
In contrast bearing capacity is stronger, and more evenly, stability is more preferable for structure stress, so that the complexity of structure is greatly simplified,
Stock utilization is improved, manufacturing cost is greatly reduced, and can satisfy more high internal pressure and working environment at higher temperature.
One aspect according to the present utility model, the utility model provide a kind of novel fast pyrolysis reactor, and Fig. 1 is
The novel fast pyrolysis reactor overall structure figure of the utility model, as shown in Figure 1, comprising: reactor shell, distributing device and storage
Hot type radiant tube, wherein the top of the reactor shell is ellipsoid structure, and middle part is annular barrel structure, and bottom is taper
Structure；It is evenly arranged with multiple feed inlets in the ellipsoid structure, is equipped with the multiple and charging in the ellipsoid structure
The corresponding distributing device of mouth, the region that the ellipsoid structure is formed are cloth area；It is equipped with described in multilayer in the annular barrel structure
Heat accumulation type radiant tube, the heat accumulation type radiant tube of every adjacent two layers is to be interspersed in vertical direction, and every layer of radiant tube is provided with
More radiant tubes, and every layer of heat accumulation type radiant tube is radial in the horizontal direction is uniformly arranged, the annular barrel structure
The region of formation is reaction zone；The bottom of the pyramidal structure is evenly arranged with multiple coke outlets, what the pyramidal structure was formed
Region is discharge zone.
Fast pyrogenation reaction process process is as follows: material enters the sub-material area in reactor cylinder body by feed inlet, passes through
Distributing device uniform distribution, then passes through the heat accumulation type radiant tube of high temperature, and material generates in dropping process with pyrolysis in reactor
High temperature pyrolysis gas and radiant tube contact, promptly occur pyrolytic reaction, generate pyrolysis gas and semicoke, final reaction generates
Semicoke by coke outlet be discharged, high temperature pyrolysis gas by pyrolysis gas outlet export.
Specific embodiment according to the present utility model, the reactor are designed using cylindrical structure, from upper in reactor body
Sub-material area, reaction zone and the part of discharge zone three are formd under and, cylinder steel plate wall thickness δ is preferably 6~30mm, reactor wall
The heat insulating refractory material for being laid with 200mm~400mm is used to prevent scattering and disappearing for heat, and the central diameter size of cylinder can be according to production scale
3~20m is adjusted, highly can be 6~50m, the spacing of reactor shell inner ring and outer ring is 1~5m.
Specific embodiment according to the present utility model, feed inlet are located in the ellipsoid structure at the top of reactor shell, and
And on horizontal position reactor head feed inlet along annular top (along center line or center line and outer ring it
Between) with identical even angle dispersed placement, material is uniformly dispersed so that distributing device is easier.For sub-material area,
Inner wall is tapered or ellipsoid surface structure；Distributing device is located at feed inlet lower part, and center line and feed inlet center line one are a pair of
It answers, quantity is depending on the quantity of feed inlet；The material of whereabouts can be uniformly distributed to each region by distributing device；Feed inlet
Number with distributing device is preferably 4~12.
Specific embodiment according to the present utility model, multilayer heat accumulation type radiant tube are to provide in reactor needed for material pyrolysis
Main heating source, multilayer heat accumulation type radiant tube is spaced apart in reactor along body height direction, and every layer of heat accumulating type spoke
It penetrates pipe and is radially spaced along center of circle direction in the horizontal direction and is evenly arranged, Fig. 2 is the novel fast pyrogenation of the utility model
Reactor is along the face A-A cross-sectional view, as shown in Fig. 2, reaction zone is made to form one or more uniform temperature field to meet heat
Temperature needed for solution, and staggered arrangement is conducive to material further being uniformly dispersed in dropping process up and down.
In some preferred embodiments of the utility model, the caliber of radiant tube is preferably 100~600mm, in vertical direction phase
Adjacent two layers of radiant tube carries out interlaced arrangement, and distance is 2000~3000mm between upper layer and lower layer radiant tube, while each spoke
The temperature for penetrating pipe can be adjusted flexibly according to the demand of downstream product, to obtain reliable and stable each temperature field, greatly
The quality and yield of product are improved greatly.The number of plies of radiant tube should meet material in the requirement of residing time in furnace, can it is supreme to
Lower 6~12 layers of arrangement, every layer number is set according to actually required heat, generally 8~60 or other quantity.
Specific embodiment according to the present utility model, pyrolysis gas outlet are set to the side lower part of reactor shell, discharge zone
Top generates a large amount of pyrolysis gas and the pressure in the reactor is gradually risen during pyrolytic reaction, biggish internal pressure
Driving is so that pyrolysis gas is quickly exported from outlet.Pyrolysis gas outlet is arranged in lower part, and particle have passed through entire anti-from top to bottom
Device is answered, keeps its pyrolysis more complete, pyrolysis gas outlet is set relative to top and middle part, reduces the carrying granule number in gas,
The purity for improving gas when pyrolysis gas outlet is in communication with the outside, there is pressure conversion device, to avoid powder particles with pyrolysis gas
Directly take out of.At least one or multiple, pyrolysis tolerance and dedusting in particular number binding reactor cylinder will be arranged in pyrolysis gas outlet
Device ability determines.
Specific embodiment according to the present utility model, discharge zone are located at the lower part of reactor, and inner wall surface thereof is pyramidal structure,
The structure of taper is convenient for collecting the semicoke product of pyrolytic reaction.The bottom of pyramidal structure is arranged in coke outlet, and semicoke passes through self weight
Comprehensive function with upper layer semicoke gravity exports reactor by coke outlet.The number of coke outlet is preferably 4~12, this is practical
It is novel that this is not particularly limited.
Specific embodiment according to the present utility model, reactor shell external annulus bear the effect of internal pressure, radiant tube and interior
Ring wall is respectively subjected to the effect of external pressure, in order to reach the technique requirement of high pressure, the steel plate of reactor outer ring barrel and inner ring barrel
Thickness takes 6~30mm according to pressure and diameter difference, and top and bottom use ellipsoid structure type.Radiant tube preferably by
Heat resisting cast steel is made, and to adapt to long term high temperature operating condition, different with radiation pipe diameter according to pressure, the wall thickness of radiant tube is preferably 8
~15mm.All solder joints are welded using air-tightness, all high temperature resistants of charging and discharging, high-tension apparatus；It can be held in reactor cylinder body
The absolute pressure P received is 0~600KPa, and the temperature control of reactor is realized by adjusting the temperature of radiant tube, and cylinder is intracorporal
Temperature T can achieve 500~1000 DEG C.
The novel fast pyrolysis reactor of the utility model in summary, the top of reactor shell are ellipsoid structure,
Middle part is annular barrel structure, and bottom is that pyramidal structure pressure resistance and heat-resisting ability are stronger；It is applicable not only to low pressure and hyperbaric environment
And it is suitable for low temperature and hot environment；Relative to heat carrier rapid pyrolysis reactor, which simplifies structure, reduces manufacture
Cost improves stock utilization；Whole system manufacture and installation are simple, and continuous operating time is long；Reactor is according to production scale
Size diversification and enlargement may be implemented, system is easily industrialized；It can make pyrolysis under high temperature and high pressure environment more
Thoroughly, the yield of pyrolysis gas is higher；Reactor can adjust internal temperature and pressure according to the requirement of thermal decomposition product.
In the description of the present invention, it should be understood that term " first ", " second " are used for description purposes only, and
It cannot be understood as indicating or implying relative importance or implicitly indicate the quantity of indicated technical characteristic.It defines as a result,
The feature of " first ", " second " can explicitly or implicitly include one or more of the features.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Identical embodiment or example need not be directed to by stating.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
It inside can make changes, modifications, alterations, and variations to the above described embodiments, at the same time, for those skilled in the art, foundation
The thought of the application, there will be changes in the specific implementation manner and application range.
Claims (10)
1. a kind of novel fast pyrolysis reactor characterized by comprising reactor shell, distributing device and heat accumulation type radiant tube,
Wherein,
The top of the reactor shell is ellipsoid structure, and middle part is annular barrel structure, and bottom is pyramidal structure；
It is evenly arranged with multiple feed inlets in the ellipsoid structure, is equipped with the multiple and feed inlet in the ellipsoid structure
Corresponding distributing device, the region that the ellipsoid structure is formed are cloth area；
It is equipped with heat accumulation type radiant tube described in multilayer in the annular barrel structure, in vertical direction the heat accumulating type spoke of every adjacent two layers
Penetrating pipe is to be interspersed, and every layer of radiant tube is provided with more radiant tubes, and every layer of heat accumulation type radiant tube is in the horizontal direction
Radial to be uniformly arranged, the region that the annular barrel structure is formed is reaction zone；
The bottom of the pyramidal structure is evenly arranged with multiple coke outlets, and the region that the pyramidal structure is formed is discharge zone.
2. fast pyrolysis reactor according to claim 1, which is characterized in that the reactor shell is provided with heat preservation
Refractory material, the reactor shell are made of the steel plate materials of 6-30mm, the heat insulating refractory material with a thickness of 200-
400mm。
3. fast pyrolysis reactor according to claim 1, which is characterized in that of the feed inlet and the distributing device
Number is 4-12.
4. fast pyrolysis reactor according to claim 1, which is characterized in that the caliber of the radiant tube is 100-
600mm, the distance between radiant tube described in upper layer and lower layer are 2000-3000mm, and the radiant tube is provided with 6-12 layers, and every layer sets
It is equipped with 8-12 root radiant tube.
5. fast pyrolysis reactor according to claim 1, which is characterized in that further include pyrolysis gas outlet, be set to
The top of the discharge zone.
6. fast pyrolysis reactor according to claim 1, which is characterized in that the number of the coke outlet is 4-12.
7. fast pyrolysis reactor according to claim 1, which is characterized in that the absolute pressure in the reactor cylinder body
For 0-600KPa, temperature is 500-1000 DEG C.
8. fast pyrolysis reactor according to claim 1, which is characterized in that the central diameter of the reactor shell is 3-
20m is highly 6-50m, and the spacing of inner ring and outer ring is 1-5m.
9. fast pyrolysis reactor according to claim 1, which is characterized in that the distributing device is located under the feed inlet
Portion, and the center line of the distributing device is overlapped with the center line of the feed inlet.
10. fast pyrolysis reactor according to claim 1, which is characterized in that the radiant tube is made of heat-resistant steel, institute
The pipe thickness for stating radiant tube is 8-15mm.
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| CN201721860047.0U CN208279565U (en) | 2017-12-27 | 2017-12-27 | A kind of novel fast pyrolysis reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107903927A (en) * | 2017-12-27 | 2018-04-13 | 北京神雾电力科技有限公司 | A kind of new fast pyrolysis reactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107903927A (en) * | 2017-12-27 | 2018-04-13 | 北京神雾电力科技有限公司 | A kind of new fast pyrolysis reactor |
| CN107903927B (en) * | 2017-12-27 | 2024-04-02 | 北京恒丰亚业科技发展有限公司 | Novel fast pyrolysis reactor |
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Effective date of registration: 20201123 Address after: 102209 226, 2nd floor, building 71, 30 Litang Road, Changping District, Beijing Patentee after: Beijing Hengfeng Yaye Technology Development Co.,Ltd. Address before: 102200 Beijing city Changping District Machi Town kamis Road No. 18 building 201 room 2 Patentee before: BEIJING SHENWU POWER TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20230626 Address after: 414018 No. 1, Baihua Avenue, Qianlianghu Town, Junshan District, Yueyang City, Hunan Province (in the yard of Hunan Jingtianren Paper Co., Ltd.) Patentee after: Hunan Dongqi Biomass Energy Co.,Ltd. Address before: 102209 226, 2 / F, building 71, 30 Litang Road, Changping District, Beijing Patentee before: Beijing Hengfeng Yaye Technology Development Co.,Ltd. |