CN205718421U - A kind of shell and tube revolution pyrolysis reactor - Google Patents
A kind of shell and tube revolution pyrolysis reactor Download PDFInfo
- Publication number
- CN205718421U CN205718421U CN201620374225.8U CN201620374225U CN205718421U CN 205718421 U CN205718421 U CN 205718421U CN 201620374225 U CN201620374225 U CN 201620374225U CN 205718421 U CN205718421 U CN 205718421U
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- dividing plate
- pyrolysis
- cylinder
- pyrolysis reactor
- tubulation
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Abstract
The utility model discloses a kind of shell and tube revolution pyrolysis reactor, described pyrolysis reactor includes cylinder, kiln head cover, kiln hood, feed pipe, discharge nozzle, the first dividing plate, second partition, the 3rd dividing plate, passage, pushing spiral plate and tubulation；Pyrolysis reactor of the present utility model burns at burning zone at material parts after being operationally pyrolyzed, and enter heating pyrolysis material in tubulation, with be introduced from outside into material or by compared with outside direct for material in kiln venting, in this utility model, material does not lose due to temperature itself entrained heat higher, but be reused, improve the thermal efficiency；Meanwhile, after burning, material with pyrolysis section does not directly contact, and is mixed into a large amount of impurity, it is ensured that pyrolysis product quality, it is simple to subsequent treatment in being possible to prevent to be pyrolyzed material.
Description
Technical field
This utility model relates to swinging pyrolysis plant, particularly to a kind of can the row of hot self-balancing
Tubular type revolution pyrolysis reactor.
Background technology
Rotary reactor is that granular material is carried out hot worked equipment, be widely used in nonferrous metallurgy,
The industries such as refractory material, cement, chemical industry and papermaking.Along with the technological progress of unconventional energy resource, return
Turn reactor to also begin to now be applied to oil shale pyrolysis production shale oil, replenish in economic development
Demand to conventional energy resource.The Related product external-heat multistage rotary furnace that such as Beijing coalification is developed,
The external-heating rotary kiln reactor of Xi'an Sanrui Industrial Co., Ltd.'s exploitation.
Above pyrolysis reactor is included again by the supply mode of pyrolytic process institute calorific requirement: the first heat
The external-heat that medium does not contacts with raw material, the external-heat multistage rotary furnace developed such as Beijing coalification,
The external-heating rotary kiln reactor of Xi'an Sanrui Industrial Co., Ltd.'s exploitation just belongs to external-heat；Second
Kind is the internal heat type that thermal medium contacts with raw material.External-heating revolving reactor is relatively low due to the thermal efficiency,
It is difficult to large-scale commercial production.But, although using the internal heat type rotary reactor thermal efficiency
High, easily realize industrialization, but owing to heat source substance mixes with pyrolysis product so that pyrolysis product returns
Receive difficulty, significantly limit its range of application, therefore, prior art exists and improves the thermal efficiency
The problem being difficult to take into account with recovery pyrolysis product.
Utility model content
The purpose of this utility model is to provide a kind of shell and tube revolution pyrolysis reactor, existing to solve
Have in technology to exist and improve the thermal efficiency and reclaim the problem that pyrolysis product is difficult to take into account.
For achieving the above object, this utility model is by the following technical solutions:
A kind of shell and tube revolution pyrolysis reactor, described pyrolysis reactor include cylinder, kiln head cover and
Kiln hood, described kiln head cover and kiln hood are rotatably connected to described cylinder by sealing device respectively
The two ends of body, and the top of described kiln head cover is provided with air vent, bottom is provided with slag-drip opening, described
The bottom of kiln hood is provided with air inlet；
Wherein, the two ends of described cylinder further respectively have the first dividing plate and second partition, and described first
Dividing plate is radially disposed at described cylinder one end near kiln head cover along described cylinder, described second every
Plate is radially disposed at described cylinder one end near kiln hood along described cylinder；
Described pyrolysis reactor also includes feed pipe, discharge nozzle, tubulation, passage and pushing spiral
Plate, described feed pipe connects through described kiln head cover and the first dividing plate with described cylinder；Described discharging
Pipe extends in described cylinder through described kiln hood and second partition, and it is positioned at described cylinder
Internal one end is connected to the inwall of described cylinder by the 3rd dividing plate, thus is separated by described cylinder
For the pyrolysis section between described first dividing plate and the 3rd dividing plate, and it is positioned at described second partition
And the burning zone between the 3rd dividing plate；Opening is distributed on described second partition, is used for making through described
The air-flow that air inlet introduces enters in described burning zone；
Described pushing spiral plate is arranged along the inwall of described pyrolysis section and discharge nozzle, for by described
Discharge nozzle pushed to by material in pyrolysis section；
Described tubulation is provided with many, and it through described pushing spiral plate and is respectively connecting to by two ends
First dividing plate and the 3rd dividing plate, so that described burning zone is connected with kiln head cover by tubulation, and institute
The many tubulations stated be arranged in parallel along the circumferencial direction of described cylinder inboard wall；
Described passage in the shape of a spiral, is coiled on described discharge nozzle, for by described pyrolysis section
Partial material import in burning zone, including charging aperture and discharging opening, described charging aperture is arranged at institute
Stating discharge nozzle near one end of the 3rd dividing plate and to connect with described pyrolysis section, described discharging opening is near institute
State second partition arrange and connect with described burning zone.
According to pyrolysis reactor of the present utility model, it is preferable that described 3rd dividing plate is tapered, and
And the end that connects of described 3rd dividing plate and described cylinder inboard wall is positioned at described discharge nozzle by the one of kiln head cover
Side.
According to pyrolysis reactor of the present utility model, it is preferable that described 3rd dividing plate and described cylinder
The angle of inwall is 15～75 °, more preferably 20～60 °, such as 30 °, and described tubulation
The opening of the one end being connected to described 3rd dividing plate is concordant with described 3rd dividing plate, to be more beneficial for
State the material in burning zone to enter in described tubulation.
According to pyrolysis reactor of the present utility model, it is preferable that the charging aperture of described passage is arranged
On the inwall of described discharge nozzle and concordant with the inwall of described discharge nozzle.
According to pyrolysis reactor of the present utility model, it is preferable that the spiral number of turns of described passage is
2～6, such as 3 or 4, wherein 1 spiral coil refers to that passage coils 360 °.
According to pyrolysis reactor of the present utility model, it is preferable that described tubulation is provided with along cylinder inboard wall
Multilamellar, such as 2～4 layers.In this utility model, the tubulation of same layer refers to the tubulation in this layer
The distance of distance cylinder inboard wall is substantially the same, and such as error is less than 10%.
According to pyrolysis reactor of the present utility model, it is preferable that described tubulation near described first every
One end of plate is provided with thermal expansion compensator, to compensate in the thermal expansion amount of tubulation, and described cylinder
It is additionally provided with containment vessel, for described thermal expansion compensator is enclosed in described containment vessel and cylinder inboard wall
Between, with anti-wear.
According to pyrolysis reactor of the present utility model, it is preferable that be additionally provided with charging in described feed pipe
Spiral, for sending into material to be pyrolyzed in described pyrolysis section from described feed pipe.
According to pyrolysis reactor of the present utility model, it is preferable that described burning zone and the length of pyrolysis section
Degree ratio is 1:2～1:4, such as 1:3.
According to pyrolysis reactor of the present utility model, it is preferable that the inwall of the burning zone of described cylinder
Being provided with copy plate, described pyrolysis reactor also includes air stove, for by described air inlet to
Hot-air is provided in described burning zone.Certainly those skilled in the art are further appreciated that described cylinder
Also it is further provided with heat-insulation layer and wearing layer.
Compared with prior art, this utility model has the advantage that
1, at material parts after shell and tube of the present utility model revolution pyrolysis reactor is operationally pyrolyzed
Burn at burning zone, and enter heating pyrolysis material in tubulation, and be introduced from outside into material or by kiln
Comparing outside the direct venting of interior material, in this utility model, material itself is taken owing to temperature is higher
The heat of band does not lose, but is reused, and improves the thermal efficiency, forms autothermal equilibrium；With
Time, after burning, material with pyrolysis section does not directly contact, and is mixed into big in being possible to prevent to be pyrolyzed material
Amount impurity, it is ensured that pyrolysis product quality, it is simple to subsequent treatment；
2, in this utility model, material conveying is carried out by spiral helicine passage, due to guide
All the time a material in conveying is had in pipe, and in the shape of a spiral, so that the material tool in passage
Have self-packing function so that in inner core and directly hand over for the solid-phase material in thermal jacket
Change during conveying safe and efficient.
Accompanying drawing explanation
Fig. 1 is the structure of a kind of embodiment of shell and tube of the present utility model revolution pyrolysis reactor
Schematic diagram；
Fig. 2 is the schematic diagram of passage in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in detail, but this utility model not only limiting
In this, because described embodiment a part of embodiment that is only this utility model, based on this reality
By the embodiment in novel, the every other embodiment that those of ordinary skill in the art are obtained, all
Belong to the scope of this utility model protection.
As shown in Figure 1-2, shell and tube of the present utility model revolution pyrolysis reactor, including cylinder 1,
Kiln head cover 2 and kiln hood 3, described kiln head cover 2 and kiln hood 3 pass through sealing device (in figure respectively
Not shown) it is rotatably connected to the two ends of described cylinder 1, and the top of described kiln head cover 2
Be provided with air vent 21, bottom is provided with slag-drip opening 22, in order to aerofluxus, deslagging；Described kiln hood 3
Bottom is provided with air inlet 31.Described sealing device can be the sealing device that rotary kiln field is conventional,
Such as scale type sealing device, with anti-leak, said structure is the most known in the art, the most not
Repeat again.
Wherein, the two ends of described cylinder 1 further respectively have the first dividing plate 4 and second partition 5, described
First dividing plate 4 is radially disposed at described cylinder 1 near one end of kiln head cover 2 along described cylinder 1,
Described second partition 5 is radially disposed at described cylinder 1 near kiln hood 3 along described cylinder 1
One end.
Described pyrolysis reactor also includes feed pipe 11, discharge nozzle 12, tubulation 9, passage 7 and
Pushing spiral plate 8, described feed pipe 11 is through described kiln head cover 2 and the first dividing plate 4 and described cylinder
Body 1 connects；It will be appreciated by those skilled in the art that as making charging smooth, in described feed pipe 11 generally
Being additionally provided with auxiliary feeding apparatus, preferably feed auger 13, described feed auger 13 can by rotation
So that material to be pyrolyzed is sent in described pyrolysis section from described feed pipe 11.
Described discharge nozzle 12 extends into described cylinder 1 through described kiln hood 3 and second partition 5
In, and it is positioned at one end of described cylinder 1 and is connected to described cylinder 1 by the 3rd dividing plate 6
Inwall.Thus described cylinder 1 is divided into be positioned at described first dividing plate 4 and the 3rd dividing plate 6 it
Between pyrolysis section, and the burning zone between described second partition 5 and the 3rd dividing plate 6.Institute
State and opening on second partition, is distributed, for making the air-flow introduced through described air inlet enter described combustion
Burn in section, in order to for the combustion reaction oxygen supply in burning zone.Preferably, described burning zone and pyrolysis
The length of section ratio is for 1:2～1:4, such as 1:3.
Described pushing spiral plate 8 is arranged along the inwall of described pyrolysis section and discharge nozzle 12, and being used for will
Discharge nozzle 12 pushed to by material in described pyrolysis section, finally to send described pyrolysis reactor.Pusher
Spiral lamina is the common inner member in rotary kiln, for it is known in the art that by changing its hand of spiral,
The material in rotary kiln can be pushed one end or the other end of rotary kiln to along with the material of rotary kiln.
Described tubulation 9 is provided with many, and it connects respectively through described pushing spiral plate 8 and by two ends
It is connected to the first dividing plate 4 and the 3rd dividing plate 6, so that described burning zone is by tubulation 9 and kiln head cover 2
Connection, and many described tubulations 9 be arranged in parallel along the circumferencial direction of described cylinder 1 inwall.
In a preferred embodiment, described 3rd dividing plate is tapered, and described 3rd dividing plate is with described
The end that connects of cylinder inboard wall is positioned at the described discharge nozzle side by kiln head cover.It is further preferred that institute
The angle α stating the 3rd dividing plate and described cylinder inboard wall is 15～75 °, more preferably 20～60 °,
Such as 30 °, and described tubulation be connected to described 3rd dividing plate one end opening with the described 3rd every
Plate is concordant, enters in described tubulation with the material being more beneficial in described burning zone.Excellent at another
Selecting in embodiment, described tubulation is provided with multilamellar along cylinder inboard wall, such as 2～4 layers, such that it is able to more
Well with the material-heat-exchanging of pyrolysis section.In this utility model, the tubulation of same layer refers in this layer
Tubulation distance cylinder inboard wall distance be substantially the same, such as error be less than 10% or 5%.
Described passage 7 in the shape of a spiral, is coiled on described discharge nozzle 12, for by described pyrolysis
Partial material in Duan imports in burning zone, including charging aperture 71 and discharging opening (not marking in figure),
Material to be imported, deriving；Skilled person understands, in this utility model, and described spiral shell
The hand of spiral of coil is the normal rotation along with pyrolysis reactor, and material can be promoted by charging aperture
71 hands of spiral moved to discharging opening direction.
Described charging aperture 71 be arranged at described discharge nozzle 12 near one end of the 3rd dividing plate 6 and with institute
Stating pyrolysis section connection, described discharging opening arranges near described second partition 5 and connects with described burning zone
Logical；So, when charging aperture 71 goes to lower with cylinder 1, under the effect of pushing spiral plate 8
The partial material being gathered in discharge nozzle can enter charging aperture 71, and along with the rotation of cylinder 1 is from going out
Material mouth is discharged, and enters burning zone burning, for pyrolysis heat supply.In a preferred embodiment, described
The charging aperture 71 of passage 7 be arranged on the inwall of described discharge nozzle 12 and with described discharge nozzle 12
Inwall concordant, it is simple to charging.It will be appreciated by those skilled in the art that the spiral coil of described passage 7
Number is no less than 1, and in a preferred embodiment, the spiral number of turns of described passage 7 is the least
In 2, more preferably 2～6, such as 3 or 4, during to be better achieved guide
Self sealss, wherein 1 spiral coil refers to that passage coils 360 °.In this utility model, institute
The cross section stating passage 7 can be the shapes such as circle, ellipse, rectangle, preferably rectangular,
It is beneficial to material and enters passage and self sealss.
Below as a example by pulverized coal pyrolysis, ruuning situation of the present utility model is illustrated.
During operation, fine coal to be pyrolyzed from kiln hood end through feed pipe 11 through kiln head cover 2 and first every
Pyrolysis section sent into by plate 4；In pyrolysis section, material to be pyrolyzed is along with rotation and the tubulation 9 of cylinder
Interior high-temperature material heat exchange heats up, and then pyrolytic reaction occurs.Solid-phase material after pyrolysis is in pusher
Move to discharge nozzle 12 under the promotion of spiral lamina 8 and finally to leave described pyrolysis together with pyrolysis gas anti-
Answer device.Wherein, in discharge nozzle 12, after partial thermal decomposition, solid-phase material enters burning along passage 7
Section in, and in pyrolysis section with air inlet 31 thermal current catalytic combustion.In burning zone, burning is formed
High temperature tailings along with cylinder 1 be rotated into each tubulation 9 after, under the drive of thermal current row
Move in pipe 9, to heat the material in pyrolysis section and final in kiln head cover 2 sent into by tubulation 9,
Wherein, flue gas is discharged from the air vent 21 of kiln head cover 2, and tailings is discharged from slag-drip opening 22.
In a preferred embodiment, described tubulation 9 sets near one end of described first dividing plate 4
There is thermal expansion compensator 91, to compensate the thermal expansion amount of tubulation 9, described thermal expansion compensator 91
Known in the art, repeat no more here；It addition, be additionally provided with containment vessel 92 in described cylinder 1,
For described thermal expansion compensator 91 is enclosed between described containment vessel 92 and the inwall of cylinder 1,
With anti-wear.
In a preferred embodiment, described pyrolysis reactor also includes that air stove (is not shown in figure
Go out), for providing hot-air in described burning zone by described air inlet 31.Art technology
Personnel are appreciated that as making the material distribution in burning good, are also provided with in described burning zone
Copy plate 14 (also referred to as lifting blade)；Additionally, described pyrolysis reactor operation temperature is higher, therefore
Heat-insulation layer can also be set；For preventing abrasion, in described cylinder 1, wearing layer can also be set, with
On the most known in the art, repeat no more here.
Above-described embodiment is the most for illustration of the utility model, rather than is to restriction of the present utility model,
About the those of ordinary skill of technical field, before without departing from spirit and scope of the present utility model
Putting, it is also possible to make a variety of changes and deform, therefore the technical scheme of equivalent used also should belong to
Category of the present utility model, protection domain of the present utility model should be limited by each claim.
Claims (10)
1. a shell and tube revolution pyrolysis reactor, described pyrolysis reactor includes cylinder, kiln head cover
It is rotatably connected to described respectively by sealing device with kiln hood, described kiln head cover and kiln hood
The two ends of cylinder, and the top of described kiln head cover is provided with air vent, bottom is provided with slag-drip opening, institute
The bottom stating kiln hood is provided with air inlet；
It is characterized in that, the two ends of described cylinder further respectively have the first dividing plate and second partition, institute
State the first dividing plate and be radially disposed at described cylinder one end near kiln head cover along described cylinder, described
Second partition is radially disposed at described cylinder one end near kiln hood along described cylinder；
Described pyrolysis reactor also includes feed pipe, discharge nozzle, tubulation, passage and pushing spiral
Plate, described feed pipe connects through described kiln head cover and the first dividing plate with described cylinder；Described discharging
Pipe extends in described cylinder through described kiln hood and second partition, and it is positioned at described cylinder
Internal one end is connected to the inwall of described cylinder by the 3rd dividing plate, thus is separated by described cylinder
For the pyrolysis section between described first dividing plate and the 3rd dividing plate, and it is positioned at described second partition
And the burning zone between the 3rd dividing plate；Opening is distributed on described second partition, is used for making through described
The air-flow that air inlet introduces enters in described burning zone；
Described pushing spiral plate is arranged along the inwall of described pyrolysis section and discharge nozzle, for by described
Discharge nozzle pushed to by material in pyrolysis section；
Described tubulation is provided with many, and it through described pushing spiral plate and is respectively connecting to by two ends
First dividing plate and the 3rd dividing plate, so that described burning zone is connected with kiln head cover by tubulation, and institute
The many tubulations stated be arranged in parallel along the circumferencial direction of described cylinder inboard wall；
Described passage in the shape of a spiral, is coiled on described discharge nozzle, for by described pyrolysis section
Partial material import in burning zone, including charging aperture and discharging opening, described charging aperture is arranged at institute
Stating discharge nozzle near one end of the 3rd dividing plate and to connect with described pyrolysis section, described discharging opening is near institute
State second partition arrange and connect with described burning zone.
Pyrolysis reactor the most according to claim 1, it is characterised in that described 3rd dividing plate
Tapered, and the connection end of described 3rd dividing plate and described cylinder inboard wall is positioned at described discharge nozzle and leans on
The side of kiln head cover.
Pyrolysis reactor the most according to claim 2, it is characterised in that described 3rd dividing plate
It is 15～75 ° with the angle of described cylinder inboard wall, and described tubulation is connected to described 3rd dividing plate
The opening of one end is concordant with described 3rd dividing plate.
Pyrolysis reactor the most according to claim 1, it is characterised in that described passage
Charging aperture is arranged on the inwall of described discharge nozzle and concordant with the inwall of described discharge nozzle.
Pyrolysis reactor the most according to claim 4, it is characterised in that described passage
The spiral number of turns is 2～6.
Pyrolysis reactor the most according to claim 1, it is characterised in that described tubulation is along cylinder
Internal wall is provided with multilamellar.
Pyrolysis reactor the most according to claim 6, it is characterised in that described tubulation is close
One end of described first dividing plate is additionally provided with containment vessel in being provided with thermal expansion compensator, and described cylinder,
For described thermal expansion compensator is enclosed between described containment vessel and cylinder inboard wall.
8. according to the pyrolysis reactor according to any one of claim 1～7, it is characterised in that institute
It is additionally provided with feed auger, for sending into described from described feed pipe by material to be pyrolyzed in stating feed pipe
In pyrolysis section.
Pyrolysis reactor the most according to claim 8, it is characterised in that described burning zone with
The length of pyrolysis section is than for 1:2～1:4.
Pyrolysis reactor the most according to claim 9, it is characterised in that described cylinder
The inwall of burning zone is provided with copy plate；Described pyrolysis reactor also includes air stove, is used for passing through
Described air inlet provides hot-air in described burning zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620374225.8U CN205718421U (en) | 2016-04-28 | 2016-04-28 | A kind of shell and tube revolution pyrolysis reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620374225.8U CN205718421U (en) | 2016-04-28 | 2016-04-28 | A kind of shell and tube revolution pyrolysis reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205718421U true CN205718421U (en) | 2016-11-23 |
Family
ID=57291584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620374225.8U Expired - Fee Related CN205718421U (en) | 2016-04-28 | 2016-04-28 | A kind of shell and tube revolution pyrolysis reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205718421U (en) |
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2016
- 2016-04-28 CN CN201620374225.8U patent/CN205718421U/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20200428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |