CN109705888A - Heat accumulating type rotating bed - Google Patents
Heat accumulating type rotating bed Download PDFInfo
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- CN109705888A CN109705888A CN201910039718.4A CN201910039718A CN109705888A CN 109705888 A CN109705888 A CN 109705888A CN 201910039718 A CN201910039718 A CN 201910039718A CN 109705888 A CN109705888 A CN 109705888A
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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
Abstract
The invention discloses a kind of heat accumulating type rotating beds, it include: the furnace body for being formed as annular shape, rotatable material bed is equipped in the furnace body, accommodation space is limited between the furnace body and the material bed, the furnace body is equipped with feed inlet, discharge port, chlorine contained exhaust gas outlet and pyrolysis oil gas vent, partition is equipped in the furnace body so that the accommodation space is separated into melting zone and pyrolysis zone, the feed inlet and chlorine contained exhaust gas outlet are located at the melting zone, the discharge port and the pyrolysis oil gas vent are located at the pyrolysis zone, the reaction temperature of the melting zone is lower than the reaction temperature of the pyrolysis zone, the melting zone and the pyrolysis zone are respectively equipped with multiple heat accumulation type radiant tubes.Heat accumulating type rotating bed according to the present invention as much as possible removes the chlorine element in the waste plastic containing chlorine such as PVC while ensure that the continuous operation of waste plastic containing chlorine such as material to be pyrolyzed such as PVC as early as possible, avoids influence of the later period to pyrolysis oil product.
Description
Technical field
The present invention relates to pyrolytic technique fields, more particularly, to a kind of heat accumulating type rotating bed.
Background technique
Due to plastics usage amount be gradually increased and refractory organics, waste plastics are also increasingly tighter to the potential impact of environment
Weight, relative processing technique is also increasingly by the concern of researcher.Currently, many research institutions are to useless both at home and abroad
Old plastics recovery Treatment and recovery recycling conducts extensive research, and recycling regeneration technology mainly has: 1, recycling is granulated
Regeneration produces the lower plastic products of class after recycling waste plastics；2 modification regenerations, will using physical modification or chemical modification
Recycling of waste plastics, such as production plastics " timber ", production adhesive etc.；3, thermal decomposing oiling technology；4, preparation RDF combustion
Burn power generation；5 supercritical water oiling technologies etc..
Wherein, recycling be granulated regeneration be by waste plastic by be granulated post-processing at finished product or pass it through cleaning, be crushed,
It is plasticized direct machine-shaping, Direct Regeneration is lower to process equipment and working condition requirement, and operation cost is low；But Direct Regeneration
Technique also has a serious limitation, and the plastics quality produced in this way has biggish reduction.And prepare RDF combustion power generation technique
Then there is dioxin generation and causes secondary pollution, the single problem of Plastics Combustion power generation product.In numerous treatment process, plastics
Pyrolysis technology can make waste plastics resolve into pyrolysis oil, pyrolysis gas and pyrolytic carbon under more temperate condition, to maximize
Recycling waste plastics value；In addition, the pyrolysis gas and pyrolysis oil that generate in pyrolytic process can be used as combustion gas or chemical industry is former
Expect reuse, can effectively avoid the pollutions such as dioxin generation.
In the related technology, traditional waste plastics pyrolysis is primarily present two problems: 1, pyrolysis oven processing raw material is single, cannot
Handle the waste PVCs such as PVC.Because containing a large amount of halides in PVC, the sour gas such as hydrogen chloride can be generated in pyrolytic process
Body causes to corrode to equipment, reduces later period oil quality.2, continuous feed is unable in traditional cracking process, reactor holds
Easy coking plugging, generates secondary pollution problems.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, one object of the present invention
It is to propose a kind of heat accumulating type rotating bed, continuous feed may be implemented, and ensure that oil quality.
Heat accumulating type rotating bed according to an embodiment of the present invention, comprising: be formed as the furnace body of annular shape, set in the furnace body
There is rotatable material bed, accommodation space is limited between the furnace body and the material bed, the furnace body is equipped with feed inlet, discharging
Mouth, chlorine contained exhaust gas outlet and pyrolysis oil gas vent, the interior partition that is equipped with of the furnace body is to be separated into melting zone for the accommodation space
And pyrolysis zone, the feed inlet and chlorine contained exhaust gas outlet are located at the melting zone, the discharge port and the pyrolysis oil gas
Outlet is located at the pyrolysis zone, and the reaction temperature of the melting zone is lower than the reaction temperature of the pyrolysis zone, the melting zone and
The pyrolysis zone is respectively equipped with multiple heat accumulation type radiant tubes.
Heat accumulating type rotating bed according to an embodiment of the present invention will be accommodated by the way that rotatable material bed is arranged, and by partition
Space is separated into melting zone and pyrolysis zone and the reaction temperature of melting zone is made to be lower than the reaction temperature of pyrolysis zone, ensure that heat
While the continuous operation of waste plastic containing chlorine such as the material of solution such as PVC, as much as possible by the chlorine in the waste plastic containing chlorine such as PVC
Element removes as early as possible, avoids influence of the later period to pyrolysis oil product.
According to some embodiments of the present invention, the reaction temperature of the melting zone is between 20 DEG C~400 DEG C, the pyrolysis
The reaction temperature in area is between 400 DEG C~700 DEG C.
According to some embodiments of the present invention, the melting zone includes preheating zone and practical melting zone, the feed inlet cloth
It sets in the preheating zone, multiple heat accumulation type radiant tubes are arranged only at the melting zone.
According to some embodiments of the present invention, the both ends of the neighbouring sidewall of the furnace body of the upper surface of the material bed are higher than institute
State the center of the upper surface of material bed.
According to some embodiments of the present invention, the center of the highest point at the both ends of the material bed and the material bed
Minimum point between line and horizontal plane between angle be α, wherein the α meets: 3 °≤α≤10 °.
According to some embodiments of the present invention, the energy used in the heat accumulation type radiant tube is pyrolyzed from material to be pyrolyzed
Pyrolysis gas afterwards.
According to some embodiments of the present invention, the discharge outlet is equipped with spiral and scrapes material conveying device.
According to some embodiments of the present invention, the pyrolysis oil gas outlet is equipped with oil gas catalytic unit.
According to some embodiments of the present invention, the part that the melting zone is corresponded in the furnace body is acidproof corrosion-resistant material
Part.
According to some embodiments of the present invention, water seal arrangement is respectively equipped at the internal perisporium and periphery wall of the furnace body.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the schematic diagram of heat accumulating type rotating bed according to an embodiment of the present invention；
Fig. 2 is the sectional view of heat accumulating type rotating bed according to an embodiment of the present invention.
Appended drawing reference:
100: heat accumulating type rotating bed；
1: furnace body；11: material bed；
12: feed inlet；13: discharge port；14: chlorine contained exhaust gas outlet；15: pyrolysis oil gas vent；
16: melting zone；17: pyrolysis zone；18: partition；19: heat accumulation type radiant tube；
2: water sealed tank.
Specific embodiment
Heat accumulating type rotating bed 100 according to an embodiment of the present invention is described below with reference to Fig. 1 and Fig. 2.
As depicted in figs. 1 and 2, heat accumulating type rotating bed 100 according to an embodiment of the present invention, including furnace body 1.
Specifically, furnace body 1 is formed as annular shape.For example, referring to Fig. 1 and Fig. 2 is combined, furnace body 1 may include inside and outside
The roof of annular is connected between the top of spaced internal perisporium and periphery wall, internal perisporium and periphery wall.It is equipped in furnace body 1
Rotatable material bed 11, limits accommodation space between furnace body 1 and material bed 11.As shown in Fig. 2, material bed 11 is located at the interior of furnace body 1
Between peripheral wall and periphery wall, and it is located at the lower section of roof.Use is limited jointly between material bed 11, roof, internal perisporium and periphery wall
In the accommodation space for accommodating waste plastic etc..As a result, by the rotatable material bed 11 of setting, the rotation of material bed 11 be ensure that heat
The material of solution such as waste plastic etc. can steadily enter in hot stove body 1, during entire pyrolytic reaction, the phases such as waste plastic
It is motionless for material bed 11, by expecting that the rotation of bed 11 can guarantee being carried out continuously for reaction.
Furnace body 1 is equipped with feed inlet 12, discharge port 13, chlorine contained exhaust gas outlet 14 and pyrolysis oil gas vent 15, sets in furnace body 1
There is partition 18 accommodation space is separated into melting zone 16 and pyrolysis zone 17, feed inlet 12 and chlorine contained exhaust gas outlet 14 are located at melting
Area 16, discharge port 13 and pyrolysis oil gas vent 15 are located at pyrolysis zone 17, and the reaction temperature of melting zone 16 is anti-lower than pyrolysis zone 17
Temperature is answered, melting zone 16 and pyrolysis zone 17 are respectively equipped with multiple heat accumulation type radiant tubes 19, and heat accumulation type radiant tube 19 is useless for heating
Old plastics etc..In the description of the present invention, the meaning of " plurality " is two or more.
Feed inlet 12 is for being passed through material to be pyrolyzed such as waste plastic etc. into melting zone 16, and waste plastic is for example
The plastic containing chlorines such as PVC can generate the products such as hydrogen chloride after the pyrolysis of melting zone 16, these products containing chlorine can be by useless containing chlorine
14 discharge of gas outlet, hereby it is achieved that dechlorination, to reduce corruption of the sour gas such as hydrogen chloride to heat accumulating type rotating bed 100
Erosion, and the influence to subsequent thermal decomposition product such as tar is reduced, improve the quality of tar.Material after dechlorination is in pyrolysis zone
It is pyrolyzed in 17, pyrolysis solid such as tar and pyrolytic carbon for obtaining after pyrolysis etc. can be discharged by discharge port 13, pyrolysis
Oil gas etc. is then discharged from pyrolysis oil gas vent 15.When heat accumulating type rotating bed 100 works, the reaction of melting zone 16 is made by being arranged
Temperature is lower than the reaction temperature of pyrolysis zone 17, since the fracture life of C-Cl key mainly occurs under lower temperature conditions for waste plastic etc.
At inorganic matters such as HCl, and organic matter is mainly generated under higher temperature conditions, using differential responses regional temperature it is different to
The chlorinated products such as HCl and thermal decomposition product are separated, to be effectively guaranteed dechlorination.For example, in the figure 2 example, partition 18
Two side walls can be connected respectively with the internal perisporium of furnace body 1 and periphery wall, the roof of partition 18 can be with the roof phase of furnace body 1
Even, the bottom of partition 18 and the upper surface interval of material bed 11 are arranged, to allow material bed 11 suitable while guaranteeing dechlorination
Sharp continuous rotation.Heat accumulation type radiant tube 19 can be arranged in the top heating of material to be pyrolyzed.For example, can be according to actual process
Different heating power is chosen to be arranged.
Heat accumulating type rotating bed 100 according to an embodiment of the present invention by the way that rotatable material bed 11 is arranged, and passes through partition 18
Accommodation space is separated into melting zone 16 and pyrolysis zone 17 and the reaction temperature of melting zone 16 is made to be lower than the reaction of pyrolysis zone 17
Temperature as much as possible contains PVC etc. while ensure that the continuous operation of waste plastic containing chlorine such as material to be pyrolyzed such as PVC
Chlorine element in chlorine waste plastic removes as early as possible, avoids influence of the later period to pyrolysis oil product.
According to some embodiments of the present invention, the reaction temperature of melting zone 16 20 DEG C~400 DEG C (including endpoint value) it
Between, the reaction temperature of pyrolysis zone 17 is between 400 DEG C~700 DEG C (including endpoint value).Further, the reaction temperature of melting zone 16
Degree is between 20 DEG C~360 DEG C (including endpoint value).More for PVC content in waste plastic, there are a large amount of chlorine in pyrolysis gas
Change the sour gas such as hydrogen, using PVC in pyrolytic process, most chlorine elements decomposites to become chlorine at 20~360 DEG C
Change the principle of the chlorine-containing gas such as hydrogen, the present apparatus will be divided into two parts using partition 18 inside furnace body 1, a part is melting zone 16,
Waste plastic is melted into dechlorination；A part is pyrolysis zone 17, improves temperature for being pyrolyzed.As a result, by the difference of reaction temperature,
Dechlorination can be carried out to waste plastic well, and the material after dechlorination is pyrolyzed.
Wherein it is possible to guarantee to melt by the operating temperature and/or number and/or distribution of control heat accumulation type radiant tube 19
The temperature of the material in area 16 is between 20~400 DEG C, to make removing away in advance in waste plastic containing chlorine element.
Some specific embodiments according to the present invention, melting zone 16 include preheating zone and practical melting zone 16, feed inlet 12
It is arranged in preheating zone, multiple heat accumulation type radiant tubes 19 are arranged only at melting zone 16.At this point, preheating zone does not arrange heat accumulation type radiant tube
19.Temperature of the waste plastic at feed inlet 12 is lower as a result, so that guaranteeing that waste plastic can be stablized is delivered to accommodation space
In.
According to a further embodiment of the invention, as shown in Fig. 2, the two of 1 side wall of neighbouring furnace body of the upper surface of material bed 11
End is higher than the center of the upper surface of material bed 11.In the form of material bed 11 is high in two sides as a result, centre is low, it is recessed will to expect that bed 11 is designed to
It is melt liquid shape that shape, which is because of waste plastic pyrolysis, can be to expecting to collect among bed 11, to avoid the plastics of melting after heated
Gap (for example, flowing in water sealed tank 2 hereinafter) between flow direction material bed 11 and the side wall of furnace body 1.
Optionally, expect bed 11 both ends highest point and material bed 11 center minimum point between line and horizontal plane it
Between angle be α, wherein α meet: 3 °≤α≤10 °.As a result, if setting make α less than 3 °, at this time expect bed 11 inclination angle compared with
Small, then the plastics melted still may flow to the gap between material bed 11 and the side wall of furnace body 1；If setting makes α be greater than 10 °,
It is then arranged in the center of material bed 11 and the material at both ends and the distance between heat accumulation type radiant tube 19 is poor larger, to be unfavorable for giving up
The uniform pyrolysis of old plastics etc., and then will affect pyrolysis effect.That is, making α meet 3 °≤α≤10 ° by setting, having
While effect avoids the gap between the plastic flows material bed 11 and the side wall of furnace body 1 of melting, be conducive to the equal of waste plastic etc.
Even pyrolysis improves the pyrolysis effect of heat accumulating type rotating bed 100.
According to some embodiments of the present invention, the energy used in heat accumulation type radiant tube 19 is after the material pyrolysis wait be pyrolyzed
Pyrolysis gas.Specifically, for example, the energy used in heat accumulation type radiant tube 19 may come from waste plastic pyrolysis purified treatment after
Pyrolysis gas, provide heat using the burning of waste plastics pyrolysis gas for plastics pyrolysis, to realize the recycling of the energy, save
Cost.
According to some embodiments of the present invention, referring to Fig.1, it is equipped with spiral at discharge port 13 and scrapes material conveying device.Specifically,
Spiral is scraped can be by the cooling normal use for guaranteeing main shaft of water in the helical axis of material conveying device.Helical axis both ends have adjusting to fill
It sets to adjust helical axis and expect the spacing of bed 11, guarantees that the material being pyrolyzed can be stablized and deliver into later period device for discharging.According to
The heat accumulating type rotating bed 100 of the embodiment of the present invention scrapes material conveying device by the rotation of material bed 11 and spiral and guarantees that waste plastic is continuous
Charging avoids waste plastic because being pyrolyzed coking and blocking heat accumulating type rotating bed 100.
Further, it is pyrolyzed at oil gas vent 15 and is equipped with oil gas catalytic unit.As a result, by the way that oil gas catalytic unit is arranged,
Catalytic reforming is carried out to waste plastic pyrolytic tar, promotes oil quality.
Optionally, the part that melting zone 16 is corresponded in furnace body 1 is acidproof corrosion-resistant material part.Thus, it is possible to promote furnace body 1
Resistance to corrosion, extend the service life of heat accumulating type rotating bed 100.
According to some embodiments of the present invention, as shown in Fig. 2, being respectively equipped with water seal at the internal perisporium and periphery wall of furnace body 1
Device.For example, can respectively configure a set of water seal arrangement in the inner and outer rings of furnace body 1, the water sealed tank 2 of water seal arrangement is mounted on inside and outside
On the column of ring, movable blade is mounted on the material bed 11 of rotation, is rotated together with material bed 11, fixing cutter is mounted on furnace wall (on i.e.
The internal perisporium and periphery wall stated) on it is motionless.Guarantee the air-tightness of heat accumulating type rotating bed 100 by water seal arrangement as a result,.
Wherein, heat accumulating type rotating bed 100 according to an embodiment of the present invention passes through control cloth doses, cloth rate and material bed 11
Revolving speed control the treating capacity of waste plastic, guarantee the pyrolysis time of waste plastic by changing the revolving speed of material bed 11, really
It is complete to protect waste plastic pyrolysis.
Optionally, material bed 11 can specifically include rotatable annular rotary table and the drapery panel for being located at annular rotary table top,
Waste plastic to be pyrolyzed etc. can be arranged on drapery panel.Wherein it is possible to be controlled by adjusting the height of drapery panel
Expect that the thickness of waste plastic on bed 11, partition 18 can be adjusted according to the height of drapery panel.
For example, feed inlet 12 can be along the top of furnace body 1 being arranged radially and be located at furnace body 1, so that waste plastic can be with
By on feed inlet 12 equably cloth to the material bed 11 of annular.
Below with reference to Fig. 1 and Fig. 2 description using heat accumulating type rotating bed according to the above embodiment of the present invention 100 come to waste and old
The detailed process that plastics are pyrolyzed:
Firstly, the waste plastic of collection is entered heat accumulating type rotating bed by pretreatment (for example, being crushed to certain partial size)
100, the fabric thickness of waste plastic can be 100mm, by adjusting the height of melting zone 16 and the spacing board 18 of pyrolysis zone 17
So that accommodation space is divided into two independent reaction burner hearths.
Then, the quantity that heat accumulating type rotating bed 100 can be opened and closed by control heat accumulation type radiant tube 19, so that melting zone 16
Temperature of charge at 300~360 DEG C (including endpoint value) Zuo You, the temperature of charge of pyrolysis zone 17 is at 500~600 DEG C of (including ends
Point value), to guarantee that in melting zone 16 heat fusing dechlorination can occur for waste plastic, pyrolysis then occurs in pyrolysis zone 17 and generates heat
Solve oil gas.Specifically, with the rotation of material bed 11, waste plastic enters to melting zone 16, in adding for heat accumulation type radiant tube 19
Under heat, waste plastic temperature can be promoted to 300~360 DEG C, and the fracture of C-Cl key occurs in pyrolysis melting zone 16, generates HCl etc.
Inorganic matter, these sour gas export 14 (for example, passing through air-introduced machine) through chlorine contained exhaust gas and draw, and by later period absorption tower by water
Absorption prepares the by-products such as hydrochloric acid.Waste plastic enters to pyrolysis zone 17, the reaction temperature of pyrolysis zone 17 after 16 dechlorination of melting zone
Degree can be 400~700 DEG C, the organic substance in waste plastic is largely decomposed into oil gas ingredient, by air-introduced machine from pyrolysis oil gas
The quickly export of outlet 15.Wherein, pyrolysis oil gas vent 15 can add oil gas catalytic unit, be catalyzed to plastics pyrolytic tar
Modification, to promote oil quality.Material conveying device can then be scraped through 13 row of discharge port by spiral by being pyrolyzed obtained pyrolytic carbon etc.
Out, for example, pyrolytic carbon can go out outside furnace body 1 by discharging spiral and the double coolconveyer cooling heel row of tube auger.
Wherein, the pyrolysis tail gas of melting zone 16 is directly sprayed through clear water, with the HCl etc. in absorbing reaction gas；Pyrolysis zone 17
Pyrolysis oil gas pass through oil gas catalytic unit, to pyrolytic tar carry out catalysis upgrading, then by ammonia spray to pyrolysis oil gas
Cool down, with separating tar and pyrolysis gas.Pyrolysis gas after purified treatment reuse to 19 combustion heat supplying of heat accumulation type radiant tube.
The major advantage of heat accumulating type rotating bed 100 according to an embodiment of the present invention is as follows:
(1) furnace body 1 is divided by melting zone 16 and pyrolysis zone 17, the heat that two regions generate by adjustable partition 18
It vents one's spleen and is quickly exported by independent air-introduced machine；Different using conversion zone temperature will remove out in waste plastics containing chlorine element in advance
Come, prevent the later period to the corrosion of consersion unit, avoids it from reacting with tar and generate the quality of organic chloride reduction tar；
(2) waste plastics heat fusing can be reacted by the setting of partition 18 and two independent oil gas guiding systems and heat
Solve reaction bonded together, having reduces equipment cost, guarantees the advantages of material steady and continuous is run；
(3) waste plastics pyrolysis is carried out using heat accumulating type rotating bed 100, by distribution device, the rotation of rotary hearth furnace bottom and spiral shell
The continuous operation that scraper guarantees waste plastic pyrolysis is revolved, avoids the problem that plastics are pyrolyzed coking and blocking reactor；Described
The downward concavity of revolving bed annular rotary table, plastic hot melt collect in reactor bottom and avoid flowing to water sealed tank 2 after melting.
In the description of the present invention, it is to be understood that, term " center ", " width ", " thickness ", "upper", "lower",
The orientation of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axial direction ", " radial direction ", " circumferential direction "
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It is not considered as limiting the invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of heat accumulating type rotating bed characterized by comprising
Be formed as the furnace body of annular shape, rotatable material bed is equipped in the furnace body, is limited between the furnace body and the material bed
Accommodation space is made, the furnace body is equipped with feed inlet, discharge port, chlorine contained exhaust gas outlet and pyrolysis oil gas vent, the furnace body
For the interior partition that is equipped with the accommodation space is separated into melting zone and pyrolysis zone, the feed inlet and the chlorine contained exhaust gas export position
In the melting zone, the discharge port and the pyrolysis oil gas vent are located at the pyrolysis zone, the reaction temperature of the melting zone
Lower than the reaction temperature of the pyrolysis zone, the melting zone and the pyrolysis zone are respectively equipped with multiple heat accumulation type radiant tubes.
2. heat accumulating type rotating bed according to claim 1, which is characterized in that the reaction temperature of the melting zone 20 DEG C~
Between 400 DEG C, the reaction temperature of the pyrolysis zone is between 400 DEG C~700 DEG C.
3. heat accumulating type rotating bed according to claim 1, which is characterized in that the melting zone includes that preheating zone and reality are molten
Tabetisol, the feed inlet are arranged in the preheating zone, and multiple heat accumulation type radiant tubes are arranged only at the melting zone.
4. heat accumulating type rotating bed according to any one of claim 1-3, which is characterized in that the upper surface of the material bed
The both ends of the neighbouring sidewall of the furnace body are higher than the center of the upper surface of the material bed.
5. heat accumulating type rotating bed according to claim 4, which is characterized in that the highest point at the both ends of the material bed with
The angle between line and horizontal plane between the minimum point in the center of the material bed is α, wherein the α meets: 3 °≤
α≤10°。
6. heat accumulating type rotating bed according to claim 1, which is characterized in that the energy used in the heat accumulation type radiant tube comes
Pyrolysis gas from after the material pyrolysis wait be pyrolyzed.
7. heat accumulating type rotating bed according to claim 1, which is characterized in that the discharge outlet is conveyed equipped with spiral scraper
Device.
8. heat accumulating type rotating bed according to claim 1, which is characterized in that the pyrolysis oil gas outlet is urged equipped with oil gas
Makeup is set.
9. heat accumulating type rotating bed according to claim 1, which is characterized in that correspond to the portion of the melting zone in the furnace body
It is divided into acidproof corrosion-resistant material part.
10. heat accumulating type rotating bed according to claim 1, which is characterized in that at the internal perisporium and periphery wall of the furnace body
It is respectively equipped with water seal arrangement.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114699992A (en) * | 2022-02-17 | 2022-07-05 | 四川马边龙泰磷电有限责任公司 | Calcium nitrate pyrolysis device |
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| CN107166400A (en) * | 2017-06-30 | 2017-09-15 | 北京神源环保有限公司 | House refuse integration heat treatment system and method |
| CN209816033U (en) * | 2019-01-16 | 2019-12-20 | 武汉博立达农业科技发展有限公司 | Heat accumulating type rotary bed |
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