CN206308313U - A kind of circulation pyrolysis oven and the pyrolysis system with it - Google Patents
A kind of circulation pyrolysis oven and the pyrolysis system with it Download PDFInfo
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- CN206308313U CN206308313U CN201621202411.XU CN201621202411U CN206308313U CN 206308313 U CN206308313 U CN 206308313U CN 201621202411 U CN201621202411 U CN 201621202411U CN 206308313 U CN206308313 U CN 206308313U
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- rotating cylinder
- screen drum
- pyrolysis oven
- pyrolysis
- return duct
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
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Abstract
Pyrolysis oven and pyrolysis system with it are circulated the utility model discloses a kind of, is related to pyrolysis plant technical field.The circulation pyrolysis oven, comprising：Rotating cylinder, the rotating cylinder is obliquely installed along its axial direction, and feed end is higher than discharge end；Screen drum, is provided with multiple sieve apertures on the side wall of the screen drum, the screen drum is fixedly connected with the discharge end of the rotating cylinder；Return duct, the return duct is arranged on the inside of the rotating cylinder；Drainage tube, the drainage tube is connected radially across the side wall of the screen drum with the return duct, and for the material that the screen drum is sieving through to be drained in the return duct, the return duct is used to be delivered to the material being sieving through the feed end of the rotating cylinder.The utility model realizes the screening of pyrolysis material, will not be pyrolyzed thorough charcoal and is transported to feed end from the discharge end of rotating cylinder by return duct, repeatedly circulation, can effectively shorten pyrolysis furnace length, reduces production cost, improve production efficiency.
Description
Technical field
The utility model is related to pyrolysis plant technical field, and in particular to a kind of circulation pyrolysis oven and the pyrolysis system with it
System.
Background technology
In the prior art, the pyrolysis plant of main flow is rotary kiln, because rotary kiln can continuously run, treatment material is adapted to
Ability is strong, efficiency high.Temperature and the two big important technology indexs that the residence time is pyrolysis, in order that material is stopped in rotary kiln
Time it is enough, it is common practice to kiln body is lengthened, or the series connection of multiple rotary kiln.All there is manufacture difficulty in both approaches
Larger relatively costly the drawbacks of.
Utility model content
The purpose of this utility model is to provide a kind of circulation pyrolysis oven and the pyrolysis system with it, to solve or at least subtract
The problem at least one in the presence of light background technology.
The technical solution adopted in the utility model is：A kind of circulation pyrolysis oven is provided, comprising：
Rotating cylinder, the rotating cylinder is obliquely installed along its axial direction, and feed end is higher than discharge end；
Screen drum, is provided with multiple sieve apertures on the side wall of the screen drum, the screen drum is consolidated with the discharge end of the rotating cylinder
Fixed connection；
Return duct, the return duct is arranged on the inside of the rotating cylinder；
Drainage tube, the drainage tube is connected radially across the side wall of the screen drum with the return duct, for by the sieve
The material that cylinder is sieving through is drained in the return duct, and the return duct is used to for the material being sieving through to be delivered to described returning
The feed end of drum body.
Preferably, one end of the screen drum is stretched into the rotating cylinder and is fixedly connected with the inner surface of the discharge end, separately
The rotating cylinder is stretched out in one end from the discharge end；The screen drum stretches into part and the revolving drum in the rotating cylinder
Body forms receiving portion, and described accommodation section is provided with discharge gate.
Preferably, the screen drum includes taper cone barrel section and cylinder barrel segment；The taper cone barrel section is arranged on the rotating cylinder
Inside, the sieve aperture is arranged on the side wall of taper cone barrel section；One end of the cylinder barrel segment and the taper cone barrel Duan Gu
Fixed connection, the other end stretches out the discharge end of the rotating cylinder.
Preferably, the inner surface setting of the screen drum has spiral screen tablet.
Preferably, the return duct includes housing and helical feed piece, and the helical feed piece is arranged in the housing,
The axis of the helical feed piece overlaps with the axis of rotation of the rotating cylinder；Described drainage tube one end and described accommodation section
Side wall connection, the other end is connected with the housing.
Preferably, the outer surface of the housing is axially disposed multiple stirring sheets.
Preferably, the return duct is set to helix tube.
Preferably, the circulation pyrolysis oven also includes heat-insulation layer, and the heat-insulation layer is wrapped in the outside of the rotating cylinder,
And heat medium cavity is provided between the heat-insulation layer and the rotating cylinder, the heat medium cavity is near one end of the rotating cylinder
Air inlet is provided with, the other end is provided with gas outlet.
Preferably, the circulation pyrolysis oven also includes the first discharger and the second discharger；First discharger is set
In the cylinder barrel segment of the screen drum, first discharger is fixedly installed, and the cylinder barrel segment being capable of relatively described first discharging
Device is freely rotated；Second discharger is arranged on the discharge end of the rotating cylinder, and second discharger is fixedly installed, institute
Stating rotating cylinder can freely rotate relative to second discharger；The discharge gate of described accommodation section connects with second discharger
It is logical；Exhaust outlet is provided with second discharger.
The utility model additionally provides a kind of pyrolysis system, and the pyrolysis system is comprising thermal source generation is hot standby and as above institute
The circulation pyrolysis oven stated, the thermal source generation equipment is connected with the circulation pyrolysis oven, for being provided for the circulation pyrolysis oven
Thermal source.
The beneficial effects of the utility model are：
Circulation pyrolysis oven of the present utility model can realize being pyrolyzed the screening of material by screen drum, will not be pyrolyzed thorough charcoal
Feed end is transported to from the discharge end of rotating cylinder by return duct, secondary pyrolysis is carried out, repeatedly circulation, until pyrolysis is thorough,
The thorough material of pyrolysis enters receiving portion, and the second discharger is entered from receiving portion discharge gate.The inert material screened through screen drum
Matter enters the first discharger from screen drum.Pyrolysis furnace length can be effectively shortened, manufacture difficulty is reduced and is reduced production cost, improve production
Efficiency.
Brief description of the drawings
Fig. 1 is the schematic diagram of the circulation pyrolysis oven of the embodiment of the utility model one.
Wherein, 1- rotating cylinders, 2- screen drums, 21- taper cone barrels section, 22- cylinder barrel segments, 23- spiral screen tablets, 3- backflows
Pipe, 31- housings, 32- helical feed pieces, 4- drainage tubes, 5- heat-insulation layers, the dischargers of 6- first, the dischargers of 7- second, 8- heating agents
Chamber, 81- air inlets, 82- gas outlets, 9- first row gas ports, 10- second exhaust port, 12- receiving portions, 13- feed ends.
Specific embodiment
For the purpose, technical scheme and advantage for implementing the utility model are clearer, below in conjunction with the utility model
Accompanying drawing in embodiment, is further described in more detail to the technical scheme in the utility model embodiment.In the accompanying drawings, ad initio
Same or similar element or element with same or like function are represented to same or similar label eventually.Described reality
It is a part of embodiment of the utility model to apply example, rather than whole embodiments.Below with reference to the embodiment of Description of Drawings
It is exemplary, it is intended to for explaining the utility model, and it is not intended that to limitation of the present utility model.It is new based on this practicality
Embodiment in type, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of the utility model protection.Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " are based on accompanying drawing institute
The orientation or position relationship for showing, are for only for ease of description the utility model and simplify description, signified rather than indicating or implying
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
The limitation of novel protected scope.
In order to avoid manufacturing pyrolysis rotary kiln more long, or by the series connection of multiple rotary kilns, present embodiments provide a kind of energy
After enough material is once pyrolyzed from kiln hood to kiln tail, screening out inert substance, then material is back into kiln hood carries out secondary pyrolysis
Multiple circulation pyrolysis oven.The length of pyrolysis oven can effectively be shortened, make material be pyrolyzed it is more abundant, and can make pyrolytic carbon and
Inert substance separates discharging.
As shown in figure 1, a kind of circulation pyrolysis oven, comprising rotating cylinder 1, screen drum 2, return duct 3, drainage tube 4.
Rotating cylinder 1 is obliquely installed along its axial direction, and feed end 13 is higher than discharge end, in Fig. 1, rotating cylinder 1
The other end relative with feed end 12 be discharge end；Material to be pyrolyzed enters inner barrel through the feed end of rotating cylinder 1,
It is obliquely installed with horizontal plane because rotating cylinder 1 is relative, and feed end is higher than discharge end, material to be pyrolyzed enters revolution
Behind the inside of cylinder 1, the single direction rotation under the driving of drive device of rotating cylinder 1, material is in rotating cylinder from feed end to going out
Slowly move at material end.
In the present embodiment, the axis of rotating cylinder 1 and the angle of inclination of horizontal plane are 2 degree.The advantage is that, Neng Goubao
The material for demonstrate,proving pyrolysis is automatically moved into discharge end under gravity.It is understood that according to material feature and needing material
Mobile speed, selects to set the angle of inclination of the axis with horizontal plane of rotating cylinder 1 between being spent 1 to 3.
Multiple sieve apertures are provided with the side wall of screen drum 2, screen drum 2 is fixedly connected with the discharge end of rotating cylinder 1；Screen drum 2 is used
Sieved in by the material for being moved to discharge end from feed end in rotating cylinder 1.Pyrolytic carbon, body are formed by the material being pyrolyzed
Product diminishes, under the mesh screen from the side wall of screen drum 2；Inert substance can not be pyrolyzed, and volume ratio is larger, it is impossible to leak down from sieve aperture,
Sifted out by screen drum 2.
Return duct 3 is arranged on the inside of rotating cylinder 1；
Drainage tube 4 is connected radially across the side wall of screen drum 2 with return duct 3, for the material that screen drum 2 is sieving through to be drained to
In return duct 3, return duct 3 is used to be delivered to the material being sieving through the feed end of rotating cylinder 1.
By circulation pyrolysis oven of the present utility model, into being pyrolyzed after rotating cylinder, material is from rotating cylinder for material
Feed end be moved to discharge end after, by discharge end set screen drum 2 sieved, screen out the inert substance that can not be pyrolyzed
Discharge, the material for not being pyrolyzed fully is again fed to the feed end of rotating cylinder by return duct 3, circulates successively, knows
Road material is pyrolyzed is discharged completely.The length of the pyrolysis oven of shortening, improves operating efficiency.
In the present embodiment, one end of screen drum 2 is stretched into rotating cylinder 1 and is fixedly connected with the inner surface of discharge end, the other end
Rotating cylinder 1 is stretched out from the discharge end；The part that screen drum 2 is stretched into rotating cylinder 1 forms receiving portion 12 with rotating cylinder 1,
Described accommodation section is provided with discharge gate.Pyrolytic carbon is formed by the material being pyrolyzed, volume diminishes, the sieve aperture from screen drum 2 enters
Receiving portion 12.Because the pyrolytic carbon after pyrolysis is lightweight, thoroughly the pyrolytic carbon of pyrolysis can be deposited in the top of receiving portion, from receiving
The discharge gate discharge in portion 12；The weight of material not being pyrolyzed completely is larger, takes advantage of the occasion, in the lower section of receiving portion, to enter by drainage tube 4
Return duct 3.
In the present embodiment, screen drum 2 includes taper cone barrel section 21 and cylinder barrel segment 22；Taper cone barrel section 21 is arranged on rotating cylinder
1 inside, the sieve aperture is arranged on the side wall of taper cone barrel section 21；One end of cylinder barrel segment 22 is consolidated with the small end of taper cone barrel section 21
Fixed connection, the other end stretches out the discharge end of rotating cylinder 1.
The inner surface setting of screen drum 2 has spiral screen tablet 23.The advantage is that, be conducive to material to push ahead.Can manage
Solution, described pushing ahead refers to be advanced to discharge end from the feed end of rotating cylinder 1.
In the present embodiment, return duct 3 includes housing 31 and helical feed piece 32, and helical feed piece 32 is arranged on housing 31
Interior, the axis of helical feed piece 32 overlaps with the axis of rotation of rotating cylinder 1；Drainage tube 4 can have many with 31 circle distribution
Individual, one end of drainage tube 4 is connected with the side wall of receiving portion 12, and the other end is connected with housing 31.The advantage is that, it is not necessary to power
Device, it is only necessary to when driving rotating cylinder 1, it is ensured that the rotation direction of rotating cylinder 1 and the oppositely oriented of helical feed piece 32 are
Can, mechanism is simple, saves power resource.
It is understood that the outer surface of housing 31 can also set multiple stirring sheets vertically, the advantage is that, flow back
When being rotated with rotating cylinder 1, stirring sheet is conducive to the stirring of material in rotating cylinder 1 to pipe 3 so that be uniformly heated, and carries
Pyrolysis rate high.
It is understood that the collecting pipe 3 can also use other structures.For example, in an alternative embodiment, returning
Flow tube 3 includes housing and material auger, and the material auger is arranged on enclosure interior, and material auger can improve the backflow of material
Speed, improves pyrolysis efficiency；In another alternative, return duct 3 is set to helix tube, the material warp after preliminary pyrolysis
Cross drainage tube 4 to be directly entered in helix tube, the hand of spiral of helix tube is with the rotation direction of rotating cylinder 1 conversely, material is by certainly
The dynamic feed end for being delivered to rotating cylinder 1.
In the present embodiment, the circulation pyrolysis oven also includes heat-insulation layer 5, and heat-insulation layer 5 is wrapped in the outer of rotating cylinder 1
Be provided with heat medium cavity 8 between side, and heat-insulation layer 5 and rotating cylinder 1, heat medium cavity 8 near one end of rotating cylinder 1 be provided with into
Gas port 81, the other end is provided with gas outlet 82.
In the present embodiment, the circulation pyrolysis oven also includes the first discharger 6 and the second discharger 7；First discharger 6
The cylinder barrel segment of screen drum 2 is arranged on, the first discharger 6 is fixedly installed, cylinder barrel segment 22 can freely turn with respect to the first discharger 6
Dynamic, for the inert substance that can not be pyrolyzed, because volume is larger, it is impossible to sifted out from the sieve aperture of screen drum 2, inert substance is from screen drum 2
Cylinder barrel segment discharge, into the first discharger 6, the first discharger 6 is arranged on the inside of the second discharger 7, and the first discharging
First row gas port 9 is provided with device 6, pyrolysis gas enter in the second discharger 7 through first row gas port 9；Second discharger 7 is arranged on
The discharge end of rotating cylinder 1, the second discharger 7 is fixedly installed, and rotating cylinder 1 can freely be rotated relative to the second discharger 7；Hold
The discharge gate in portion 12 received is connected with second discharger 7, is diminished by the volume of material after pyrolysis, when by screen drum 2, from
Sieve aperture enters in receiving portion 12, because the pyrolytic carbon after pyrolysis is lighter, the top of receiving portion 12 can be deposited in, by receiving portion 12
Discharge gate extrusion, into the second discharger 7；Second exhaust port 10 is provided with second discharger 7.
Material in the present embodiment is sieved after being once pyrolyzed, and is not pyrolyzed thorough charcoal return feed end mixing and is newly entered material
Carry out secondary pyrolysis, it is to avoid newly agglomerating into material (especially Plastic) coking.Pyrolysis furnace length can be effectively shortened, manufacture is reduced
Difficulty reduces production cost.Material by that can be discharged by screening after pyrolysis, inert substance and pyrolytic carbon respectively from it is respective go out
Mouth discharge.
The utility model additionally provides a kind of pyrolysis system, and the pyrolysis system is comprising thermal source generation is hot standby and as above institute
The circulation pyrolysis oven stated, the thermal source generation equipment is connected with the circulation pyrolysis oven, for being provided for the circulation pyrolysis oven
Thermal source.
It is last it is to be noted that：Above example is only used to illustrate the technical solution of the utility model, rather than it is limited
System.Although being described in detail to the utility model with reference to the foregoing embodiments, one of ordinary skill in the art should manage
Solution：It can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment of the utility model
The spirit and scope of technical scheme.
Claims (10)
1. it is a kind of to circulate pyrolysis oven, it is characterised in that to include：
Rotating cylinder (1), the rotating cylinder (1) is obliquely installed along its axial direction, and feed end is higher than discharge end；
Screen drum (2), is provided with multiple sieve apertures on the side wall of the screen drum, the discharging of the screen drum (2) and the rotating cylinder (1)
End is fixedly connected；
Return duct (3), the return duct (3) is arranged on the inside of the rotating cylinder (1)；
Drainage tube (4), the drainage tube (4) is connected radially across the side wall of the screen drum (2) with the return duct (3), is used for
The material that the screen drum (2) is sieving through is drained in the return duct (3), the return duct (3) by described for being sieving through
Material be delivered to the feed end of the rotating cylinder (1).
It is 2. as claimed in claim 1 to circulate pyrolysis oven, it is characterised in that：Stretch into the revolving drum in one end of the screen drum (2)
Body (1) is fixedly connected with the inner surface of the discharge end, and the other end stretches out the rotating cylinder (1) from the discharge end；It is described
The part that screen drum (2) is stretched into the rotating cylinder (1) forms receiving portion (12), described accommodation section with the rotating cylinder (1)
It is provided with discharge gate.
It is 3. as claimed in claim 2 to circulate pyrolysis oven, it is characterised in that：The screen drum (2) includes taper cone barrel section (21) and circle
Column casing section (22)；Taper cone barrel section (21) is arranged on the inside of the rotating cylinder (1), and the sieve aperture is arranged on the circular cone
On the side wall of cylinder section (21)；One end of the cylinder barrel segment (22) is fixedly connected with taper cone barrel section, and the other end stretches out described
The discharge end of rotating cylinder (1).
It is 4. as claimed in claim 3 to circulate pyrolysis oven, it is characterised in that：The inner surface setting of the screen drum (2) has spiral screen
Tablet (23).
It is 5. as claimed in claim 4 to circulate pyrolysis oven, it is characterised in that：The return duct (3) includes housing (31) and spiral
Conveying sheet (32), the helical feed piece (32) is arranged in the housing (31), the axis of the helical feed piece (32) with
The axis of rotation of the rotating cylinder (1) overlaps；Described drainage tube (4) one end is connected with the side wall of described accommodation section, the other end
It is connected with the housing (31).
It is 6. as claimed in claim 5 to circulate pyrolysis oven, it is characterised in that：The outer surface of the housing (31) is axially disposed to be had
Multiple stirring sheets.
It is 7. as claimed in claim 4 to circulate pyrolysis oven, it is characterised in that：The return duct (3) is set to helix tube.
It is 8. as claimed in claim 6 to circulate pyrolysis oven, it is characterised in that：The circulation pyrolysis oven also includes heat-insulation layer (5), institute
State and set between the outside that heat-insulation layer (5) is wrapped in the rotating cylinder (1), and the heat-insulation layer and the rotating cylinder (1)
There is heat medium cavity (8), the heat medium cavity is being provided with air inlet (81) near one end of the rotating cylinder (1), and the other end is set
There is gas outlet (82).
It is 9. as claimed in claim 8 to circulate pyrolysis oven, it is characterised in that：The circulation pyrolysis oven also includes the first discharger
And the second discharger (7) (6)；First discharger (6) is arranged on the cylinder barrel segment of the screen drum (2), first discharging
Device (6) is fixedly installed, and the cylinder barrel segment can freely be rotated relative to first discharger (6)；Second discharger (7)
The discharge end of the rotating cylinder (1) is arranged on, second discharger is fixedly installed, the rotating cylinder (1) can be relative
Second discharger (7) freely rotates；The discharge gate of described accommodation section is connected with second discharger (7)；Described second
Second exhaust port (10) is provided with discharger (7).
10. a kind of pyrolysis system, it is characterised in that the pyrolysis system is hot standby and such as claim 1 to 9 comprising thermal source generation
Circulation pyrolysis oven described in middle any one, the thermal source generation equipment is connected with the circulation pyrolysis oven, for being followed for described in
Ring pyrolysis oven provides thermal source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621202411.XU CN206308313U (en) | 2016-11-08 | 2016-11-08 | A kind of circulation pyrolysis oven and the pyrolysis system with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621202411.XU CN206308313U (en) | 2016-11-08 | 2016-11-08 | A kind of circulation pyrolysis oven and the pyrolysis system with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206308313U true CN206308313U (en) | 2017-07-07 |
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ID=59244085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621202411.XU Active CN206308313U (en) | 2016-11-08 | 2016-11-08 | A kind of circulation pyrolysis oven and the pyrolysis system with it |
Country Status (1)
| Country | Link |
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| CN (1) | CN206308313U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106433703A (en) * | 2016-11-08 | 2017-02-22 | 湖南万容科技股份有限公司 | Circulating pyrolysis furnace and pyrolysis system having same |
| CN107520245A (en) * | 2017-08-18 | 2017-12-29 | 中科鼎实环境工程股份有限公司 | External heating type heat is desorbed rotary kiln |
| US11999920B2 (en) | 2020-09-14 | 2024-06-04 | Ecolab Usa Inc. | Cold flow additives for plastic-derived synthetic feedstock |
| US12031097B2 (en) | 2022-10-12 | 2024-07-09 | Ecolab Usa Inc. | Antifouling agents for plastic-derived synthetic feedstocks |
-
2016
- 2016-11-08 CN CN201621202411.XU patent/CN206308313U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106433703A (en) * | 2016-11-08 | 2017-02-22 | 湖南万容科技股份有限公司 | Circulating pyrolysis furnace and pyrolysis system having same |
| CN107520245A (en) * | 2017-08-18 | 2017-12-29 | 中科鼎实环境工程股份有限公司 | External heating type heat is desorbed rotary kiln |
| US11999920B2 (en) | 2020-09-14 | 2024-06-04 | Ecolab Usa Inc. | Cold flow additives for plastic-derived synthetic feedstock |
| US12031097B2 (en) | 2022-10-12 | 2024-07-09 | Ecolab Usa Inc. | Antifouling agents for plastic-derived synthetic feedstocks |
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