CN105925285A - Quick powdered coal pyrolysis device - Google Patents
Quick powdered coal pyrolysis device Download PDFInfo
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- CN105925285A CN105925285A CN201610429062.3A CN201610429062A CN105925285A CN 105925285 A CN105925285 A CN 105925285A CN 201610429062 A CN201610429062 A CN 201610429062A CN 105925285 A CN105925285 A CN 105925285A
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- Prior art keywords
- pyrolysis
- umbrella
- radiant tube
- heat accumulation
- type radiant
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/04—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of powdered coal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
- C10K1/024—Dust removal by filtration
Abstract
The invention provides a quick powdered coal pyrolysis device. The quick powdered coal pyrolysis device comprises a reactor body, a gas suction umbrella and a level indicator. The reactor body comprises a feeding area, a pyrolysis area and a discharging area, the feeding area comprises a material inlet, the pyrolysis area comprises multiple layers of regenerative radiant tubes, and the discharging area comprises a semicoke outlet. The gas suction umbrella is used for discharging pyrolysis gas generated in a pyrolysis process and arranged in the discharging area and comprises an umbrella portion and a shank portion, the umbrella portion and the shank portion are in gas communication connection, the umbrella portion is positioned towards the bottom of the reactor body, and the surface of the umbrella portion is provided with a plurality of through holes. The level indicator is arranged in the discharging area and used for displaying a level of semicoke in the discharging area from the bottom of the gas suction umbrella to an upper material level. By the quick powdered coal pyrolysis device, oil-gas resources generated in pyrolysis can be quickly guided out of a pyrolysis reactor, dust content of pyrolysis gas passing through the discharging area is reduced, and accordingly pyrolysis gas and tar quality can be improved.
Description
Technical field
The invention belongs to fine coal processing technique field, be specifically related to a kind of fine coal rapid pyrolysis apparatus.
Background technology
The energy resource structure feature of China is rich coal, gas oil-poor, few.As coal maximum in the world
Production and consumption state, within one considerably long period, coal resources dominate the energy as China
Status is unshakable.According to statistics, it is 114,500,000,000 tons that China has verified coal reserves, wherein
Middle low-order coal (brown coal, lower-grade metamorphic bituminous) accounts for again about the 55.15% of whole nation reserves.
Due to low-order coal have moisture height, easy-weathering spontaneous combustion, be difficult to sorting, should not transport for long-distance and
The features such as storage so that its comprehensive utilization is very limited.Wherein directly combustion power generation be its
One of common Land use systems.According to incompletely statistics, there are the brown coal of more than 90% in China for power station
Boiler and various Industrial Boiler.Low-order coal is directly burnt as thermal coal fuel, not only wastes coal
The hydrocarbon rich resource contained in charcoal, and efficiency is low.By low-temperature pyrolysis of coal and coal-char combustion,
Gasification decoupling, it is achieved low-order coal classification high-efficiency cleaning trans-utilization, is the master of present large-scale Coal Chemical Industry
Want direction.
It is widely used along with modernization coal mining is polytechnic so that the ratio of lump coal declines (by present
40% decline 10～20%), fine coal productivity raise (being risen to 80～90% by current 60%).
There is easy airborne dust, inflammable, explosive, the problems such as comprehensive utilization difficulty is big, pyrolysis of coal technology quilt in fine coal
It is considered the maximally efficient approach of coal high-efficiency clean utilization.
Prior art one
Of the prior art Toscoal hot solid carrier devolatilization technique is briefly described below.
Fig. 4 is the process chart of prior art one.As shown in Figure 4, the technological process of this technique
For: raw material, through being crushed to below 12.7mm, enters coal and is dried and preheater 2, is being dried and preheating
In device, coal and heat smoke contact mass transfer heat exchange.Fine coal after drying and preheating, by heat smoke carry to
Cyclone separator 3.In cyclone separator 3, coal separates with useless flue gas, the coal after drying and preheating
Enter pyrolysis reactor 6, and from the red-hot porcelain mixed pyrolysis in Ceramic Balls preheater 4.Coal heat
Hydrolysis products and porcelain ball separate in sifter 7, and pyrolysis char is discharged after cooling, and pyrolysis oil gas exists
Being fractionated in fractionating column, pyrolysis coal gas and air burn to from riser 8 in Ceramic Balls pyrolysis apparatus
Cold porcelain ball heat supply, it is achieved recycling of cold and hot porcelain ball.
Toscoal hot solid carrier devolatilization technique uses partial thermal decomposition gas-fired, is added by cold porcelain ball
Heat.Porcelain ball after heating and dried coal mixed pyrolysis in pyrolysis reactor, produce pyrolysis oil
Gas and semicoke.After semicoke and the screening of porcelain ball warp separate, semicoke cools down, and porcelain ball warp riser is promoted to
Ceramic Balls preheater waste heat, completes once to circulate.
Prior art one has the drawback that
In cyclic process, there is mechanical wear, and the mistake of airlift conveying Ceramic Balls in Ceramic Balls
Cheng Zhong, has a certain degree of abrasion to pipeline and equipment inner wall.
Additionally, pyrolysis reactor uses rotary kiln, the oil gas time of staying that pyrolysis produces is long, oil gas
Secondary response is violent, and tar quality declines.
And, after pyrolysis, semicoke and Ceramic Balls are completely separated difficulty.
Prior art two
Fig. 5 is the process chart of prior art three.As it is shown in figure 5, god mansion SH internal heat type is straight
Vertical retort technological process is: after raw coal (20～150mm) after crushing and screening, be delivered to furnace roof
Coal tower, through sealing-tape machine, coal valve and auxiliary coal bin enter in upright furnace.Lump coal in upright furnace is from upper
And lower movement, with high-temperature gas counter current contacting.Upright furnace top is lump coal preheating section, and preheating section will
Lump coal is preheated to 360～400 DEG C；Lump coal after preheating enters the retort section in the middle part of upright furnace, destructive distillation
Section lump coal is heated to 680～720 DEG C, produces semicoke and pyrolysis gas, and semicoke passes through carbonization chamber bottom
Cooling section after cooling discharge, pyrolysis gas through tedge, bridge tube enter pneumatic trough.In pneumatic trough,
High-temperature hot is vented one's spleen by about cyclic ammonia water spraying cooling to 80 DEG C, obtains raw gas and tar, rough coal
As the heating fuel of upright furnace after gas is purified.
Prior art two has the drawback that
SH type internal thermal upright carbonization furnace PROCESS FOR TREATMENT lump coal, is not suitable for pulverized coal pyrolysis.
SH type internal thermal upright carbonization furnace technique uses gas heat carrier, the pyrolysis produced after pyrolysis
Petroleum resources is diluted by gas heat carrier, and calorific value is low.
Pyrolysis petroleum resources condensation number is big.
Lump coal volume is big, and heat transfer coefficient is low, and heat transfer efficiency is the highest, and pyrolysis time is long, oil gas secondary
Acutely, tar quality is the highest in reaction.
Equipment is huge, is difficult to operation.
Summary of the invention
The problem existed for above prior art, the present invention proposes a kind of fine coal fast pyrogenation dress
Put, it is possible to the petroleum resources that pyrolysis produces is derived rapidly pyrolysis reactor, and secondary response is few, has
The raising tar of effect and pyrolysis gas quality.
The present invention proposes fine coal rapid pyrolysis apparatus, comprising:
Reactor body, described reactor body limits reaction compartment, and described reaction compartment is supreme
Feed zone, pyrolysis zone and discharge zone can be divided under and；
Described feed zone includes: material inlet, and described material inlet is positioned at described reactor body
Top；
Described pyrolysis zone includes: multilayer heat accumulation type radiant tube, and described multilayer heat accumulation type radiant tube is in institute
State in pyrolysis zone spaced apart along described reactor body short transverse, and every layer of described heat accumulating type
Radiant tube includes the heat accumulation type radiant tube of multiple horizontally spaced distribution；
Described discharge zone includes: semicoke exports, and the outlet of described semicoke is positioned at described reactor body
Bottom, for discharging described reactor body by the semicoke after pyrolysis；
Bleed umbrella, for discharging the pyrolysis gas produced in pyrolytic process, described in umbrella of bleeding be arranged in institute
State discharge zone, described in pack of bleeding include umbrella portion and shank, described umbrella portion and described both shanks gas
Connection connects, and described shank passes the sidewall of reactor and extends to reactor from the outside of reactor
Internal centre position；
Level-sensing device, described level-sensing device is arranged in described discharge zone, shows described discharge zone in real time
Bleed described in middle semicoke at the bottom of umbrella umbrella to the material position of place, feeding position plane.
Fine coal rapid pyrolysis apparatus as above, wherein, described umbrella portion is pyramidal structure, described
Bottom and the surface, umbrella portion of umbrella portion orientating reaction device are disposed with multiple through hole.
Fine coal rapid pyrolysis apparatus as above, wherein, described in radius at the bottom of umbrella umbrella of bleeding be described
The 1/8～1/4 of reactor body width, inclination angle is 45 °～60 °.
Fine coal rapid pyrolysis apparatus as above, wherein, every layer of described heat accumulation type radiant tube includes
Multiple parallel and equally distributed heat accumulation type radiant tube, and every layer of described heat accumulation type radiant tube is with upper
Lower two-layer heat accumulation type radiant tube is parallel, and is interspersed along described reactor body short transverse.
Fine coal rapid pyrolysis apparatus as above, wherein, described in the bleed top, umbrella portion of umbrella arrange
There is bleeding point.
As above fine coal rapid pyrolysis apparatus, wherein, described in bleed umbrella shank inside be
Hollow structure, for discharging the pyrolysis gas within described reactor body.
Fine coal rapid pyrolysis apparatus as above, wherein, the external diameter of described heat accumulation type radiant tube is
200～300mm.
Fine coal rapid pyrolysis apparatus as above, wherein, described adjacent heat accumulation type radiant tube outer wall
Between horizontal range be 200～500mm.
Fine coal rapid pyrolysis apparatus as above, wherein, described adjacent heat accumulation type radiant tube outer wall
Between vertical distance be 200～700mm.
Fine coal rapid pyrolysis apparatus as above, wherein, the number of plies of described heat accumulation type radiant tube is
10～25 layers.
Fine coal rapid pyrolysis apparatus described in the application of the invention, uses under heat accumulation type radiant tube formula
Row bed processes fine coal, it is possible to the effective pyrolysis particle diameter fine coal less than 3mm；Bled by employing
Umbrella structure, derives rapidly reactor body by the oil gas that pyrolysis produces, and secondary response is few, pyrolysis oil
Gas is declined by dustiness after the pyrolysis char in discharge zone, effectively reduces containing in pyrolysis oil gas
Dust quantity, reduces the pretreatment cost of the follow-up refinement treatment of tar, effective raising tar and pyrolysis
The quality of oil gas.
Accompanying drawing explanation
By the detailed description made in conjunction with the following drawings, the present invention's is above-mentioned or otherwise interior
Hold and will be apparent from and be easier to understand, wherein:
Fig. 1 is the structural representation of fine coal rapid pyrolysis apparatus of the present invention；
Fig. 2 is the umbrella front view of bleeding of fine coal rapid pyrolysis apparatus of the present invention；
Fig. 3 is umbrella umbrella portion of the bleeding top view of fine coal rapid pyrolysis apparatus of the present invention；
Fig. 4 is the process chart of prior art one；
Fig. 5 is the process chart of prior art two.
In accompanying drawing, each label is expressed as follows:
1: reactor body, 11: feed zone, 12: pyrolysis zone, 13: discharge zone；
2: heat accumulation type radiant tube；
3: umbrella of bleeding, 31: umbrella portion, 32: shank, 33: bleeding point, 34: at the bottom of umbrella；
4: pyrolysis char；
5: level-sensing device；
6: material inlet；
7: semicoke exports.
Detailed description of the invention
Describe the detailed description of the invention of the present invention below in conjunction with the accompanying drawings in detail.
Detailed description of the invention/the embodiment recorded at this is the specific specific embodiment party of the present invention
Formula, for the design of the present invention is described, is all explanatory and exemplary, should not be construed as this
Invention embodiment and the restriction of the scope of the invention.In addition to the embodiment recorded at this, this area skill
Art personnel can also based on the application claims and specification disclosure of that use aobvious and
Other technical scheme being clear to, these technical schemes include using doing the embodiment recorded at this
Go out the technical scheme of any obvious substitutions and modifications, all protection scope of the present invention it
In.
Fig. 1 is the structural representation of fine coal rapid pyrolysis apparatus of the present invention.As it is shown in figure 1, this
The fine coal rapid pyrolysis apparatus of bright proposition includes reactor body 1.
Described reactor body 1 limits reaction compartment, and described reaction compartment can be divided into from top to down
Feed zone 11, pyrolysis zone 12 and discharge zone 13.
Described feed zone 11 includes material inlet 6.Described material inlet 6 is positioned at described reactor
The top of body 1.
Concrete, described material inlet 6 can be arranged in described reactor body 1 top as far as possible
Center, it is simple to entering into the material in reactor from described material mouth 6 can be scattered uniformly
Inside described pyrolysis zone 12.
Further, the material particular diameter entered in described pyrolysis zone 12 should be less than 3mm.
Described pyrolysis zone 12 includes multilayer heat accumulation type radiant tube 2.Described multilayer heat accumulating type radiates
Pipe 2 is spaced apart along described reactor body 1 short transverse in described pyrolysis zone 12, and
Every layer of described heat accumulation type radiant tube 2 includes the heat accumulating type radiation of multiple horizontally spaced distribution
Pipe 2.
Further, every layer of described heat accumulation type radiant tube 2 includes multiple parallel and equally distributed
Heat accumulation type radiant tube 2, and every layer of heat accumulation type radiant tube 2 is flat with upper and lower two-layer heat accumulation type radiant tube 2
OK, and along reactor body 1 short transverse it is interspersed.
Concrete, as it is shown in figure 1, the external diameter of described heat accumulation type radiant tube 2 is 200～300mm.
Horizontal range between adjacent described heat accumulation type radiant tube 2 outer wall is 200～500mm, vertical distance
200～700mm.The number of plies of described multilayer heat accumulation type radiant tube 2 can be 10～25 layers.Through invention
People finds, this kind of structure is arranged so that uniform distribution of temperature field in pyrolysis zone, such that it is able to aobvious
Write the fast pyrogenation efficiency improving material, and then improve the productivity of tar.
In the present invention, heat accumulation type radiant tube 2 is regenerative gas radiant tube, i.e. by radiant tube pipe
The heat that combustion gas is produced by body carries out heat supply in the way of radiation.Thus, it is possible to by adjusting
The flow being passed through the combustion gas in heat accumulation type radiant tube 2 realizes the control of the temperature to pyrolytic process, from
And the fast pyrogenation efficiency of material can be significantly improved, and then improve the productivity of tar.
In the present invention, described heat accumulation type radiant tube 2 can also be by burner or other heating plant generations
Replacing, its technical scheme is not limited solely to this.
As it is shown in figure 1, described discharge zone 13 includes semicoke outlet 7.Described semicoke exports 7
In the bottom of described reactor body 1, for the semicoke 4 after pyrolysis is discharged described reactor originally
Body 1.
Concrete, described discharge zone 13 can be in back taper.Thus, it is possible to make pyrolysis generate
Semicoke 4 discharge discharge zone 13 smoothly.Described semicoke outlet 7 should be arranged in as far as possible described instead
Answer the center of device body 1 bottom, it is simple to the semicoke 4 in discharge zone 13 is discharged instead smoothly
Answer outside device.
Bleed umbrella 3 for discharging the pyrolysis gas produced in pyrolytic process.Described umbrella 3 of bleeding is arranged in
Described discharge zone 13.Fig. 2 is the umbrella front view of bleeding of fine coal rapid pyrolysis apparatus of the present invention.As
Shown in Fig. 2, described in umbrella 3 of bleeding include umbrella portion 31 and shank 32, the connection of the two gas connects.
Described shank 32 passes the sidewall of reactor and extends to inside reactor from the outside of reactor
Centre position.Described umbrella portion 31 is pyramidal structure, and the bottom of described umbrella portion 31 orientating reaction device is also
And surface, umbrella portion 31 is disposed with multiple through hole.
Fig. 3 is umbrella umbrella portion of the bleeding top view of fine coal rapid pyrolysis apparatus of the present invention.As it is shown on figure 3,
The bleed top of umbrella 3 has bleeding point 33.The shank of described bleeding point 33 top and umbrella 3 of bleeding
32 are connected.Described umbrella handle portion 32 of bleeding is for hollow structure, for the pyrolysis gas produced by semicoke 4
Discharge in time outside described reactor body 1.The pyrolysis gas discharged outside reactor carries out oil further
Gas separates, and obtains tar and pyrolysis gas.
By arranging umbrella 3 of bleeding in discharge zone 13, the pyrolysis gas produced after pulverized coal pyrolysis is led to
Reactor body 1 is derived by umbrella 3 of bleeding outside after crossing pyrolysis char.Filtration through semicoke 4 is made
With, the temperature of pyrolysis gas can be reduced, reduce the dust content in pyrolysis gas simultaneously, reduce follow-up height
Dustiness in temperature coal pyrolysis gas Quench tar, reduces the pretreatment cost of tar.
Further, detach process for more preferably realize pyrolysis gas, can be by described umbrella 3 of bleeding
Radius at the bottom of umbrella is set as the 1/8～1/4 of described reactor body 1 width, and inclination angle is 45 °～60 °.
As it is shown in figure 1, level-sensing device 5 is arranged in described discharge zone 13, described level-sensing device 5
End 34 is in same plane with described bleed at the bottom of umbrella umbrella, shows described discharge zone 13 in real time
34 are bled at the bottom of umbrella 3 umbrella to the material position of place, feeding position plane described in middle semicoke 4.
Concrete, as it is shown in figure 1, one end of described level-sensing device 5 is stretched in reactor body 1
Discharge zone 13, is connected with described semicoke 4；Its other end is positioned at outside described reactor body 1
Portion, and be furnished with display device, it is simple to bleed at the bottom of umbrella 3 umbrella 34 in observing response device to feeding position institute
Distance H in plane.The aspirating hole 33 of umbrella 3 of bleeding is h to the distance of feeding position.It is visible,
H=H-b*tanA, b bleed the radius of 34 at the bottom of umbrella 3 umbrella described in being, A is for bleeding at the bottom of umbrella 3 umbrella 34
Inclination angle.The height of h is preferably 30～60mm.This structure can preferably complete the separation of pyrolysis gas
Process, reduces pyrolysis gas and is diluted, improve pyrolysis gas quality.
Embodiment
The present embodiment utilizes fine coal rapid pyrolysis apparatus to be as shown in Figure 1 pyrolyzed brown coal.Treat
The particle diameter of pyrolysis feed brown coal is less than 3mm, and its brown coal are analyzed data and are shown in Table 1.
Table 1: brown coal analyze data.
The key dimension of fine coal rapid pyrolysis apparatus is as follows: heat accumulation type radiant tube employing caliber is
The round tube of 245mm, in level, the outer wall distance of every layer of adjacent radiation pipe is 200mm, up and down
The outer wall distance of every layer of adjacent radiation pipe is 300mm, and the heat accumulation type radiant tube number of plies is 15.Bleed
At the bottom of umbrella umbrella, radius is 900mm, 45 ° of umbrella inclination angle of bleeding.The temperature of regulation pyrolysis zone radiant tube and
The each regional temperature of reaction zone formed is as indicated in the chart 2.Wherein, material stop in the reactor
Time is 6.5s.Fine coal product after pyrolysis is tar 17.4%, pyrolysis gas 12.8%, semicoke
69.8%.Pyrolysis gas dustiness is 0.8%.
From the data of above thermal decomposition product it can be seen that assembly of the invention effectively reduces follow-up Jiao
After oil condensation, the dustiness of tar, reduces the pretreatment cost 10% of follow-up tar refining, significantly
Improve the benefit of pyrolysis.
The pyrolysis gas produced through pyrolytic reaction is discharged outside reactor body 1 in time by umbrella 3 of bleeding
Portion, reduces the degree that pyrolysis gas is diluted, and effectively raises the quality of tar and pyrolysis gas.
The semicoke 4 produced after pyrolysis discharges reactor by the discharging opening 7 of reactor body 1 bottom
Outside, in order to carry out pyrolytic reaction next time.
Table 2: process operation parameter.
| Sequence number | Parameter name | Parameter value |
| 1 | Heat accumulation type radiant tube reactor upper temp | 580℃ |
| 2 | Heat accumulation type radiant tube reactor middle portion temperature | 605℃ |
| 3 | Heat accumulation type radiant tube reactor lower part temperature | 594℃ |
| 4 | Pyrolysis gas outlet temperature | 583℃ |
Each technical characteristic of above-mentioned disclosure is not limited to disclosed and other features combinations, ability
Field technique personnel also can carry out other combinations between each technical characteristic according to goal of the invention, to realize
The purpose of the present invention is as the criterion.
Claims (10)
1. fine coal rapid pyrolysis apparatus, it is characterised in that including:
Reactor body, described reactor body limits reaction compartment, and described reaction compartment is supreme
Feed zone, pyrolysis zone and discharge zone can be divided under and；
Described feed zone includes: material inlet, and described material inlet is positioned at described reactor body
Top；
Described pyrolysis zone includes: multilayer heat accumulation type radiant tube, and described multilayer heat accumulation type radiant tube is in institute
State in pyrolysis zone spaced apart along described reactor body short transverse, and every layer of described heat accumulating type
Radiant tube includes the heat accumulation type radiant tube of multiple horizontally spaced distribution；
Described discharge zone includes: semicoke exports, and the outlet of described semicoke is positioned at described reactor body
Bottom, for discharging described reactor body by the semicoke after pyrolysis；
Bleed umbrella, for discharging the pyrolysis gas produced in pyrolytic process, described in umbrella of bleeding be arranged in institute
State discharge zone, described in pack of bleeding include umbrella portion and shank, described umbrella portion and described both shanks gas
Connection connects, and described shank passes the sidewall of reactor and extends to reactor from the outside of reactor
Internal centre position；
Level-sensing device, described level-sensing device is arranged in described discharge zone, shows described discharge zone in real time
Bleed described in middle semicoke at the bottom of umbrella umbrella to the material position of place, feeding position plane.
Fine coal rapid pyrolysis apparatus the most according to claim 1, it is characterised in that described
Umbrella portion is pyramidal structure, and bottom and the surface, umbrella portion of described umbrella portion orientating reaction device are disposed with multiple
Through hole.
Fine coal rapid pyrolysis apparatus the most according to claim 1, it is characterised in that described
Bleed that radius at the bottom of umbrella umbrella is described reactor body width 1/8～1/4, inclination angle is 45 °～60 °.
Fine coal rapid pyrolysis apparatus the most according to claim 1, it is characterised in that every layer
Described heat accumulation type radiant tube includes multiple parallel and equally distributed heat accumulation type radiant tube, and every layer
Described heat accumulation type radiant tube is parallel with upper and lower two-layer heat accumulation type radiant tube, and along described reactor originally
Height direction is interspersed.
Fine coal rapid pyrolysis apparatus the most according to claim 1, it is characterised in that described
The bleed top, umbrella portion of umbrella is provided with bleeding point.
Fine coal rapid pyrolysis apparatus the most according to claim 1, it is characterised in that described
The shank of umbrella of bleeding is internal for hollow structure, for discharging the pyrolysis within described reactor body
Gas.
Fine coal rapid pyrolysis apparatus the most according to claim 1, it is characterised in that described
The external diameter of heat accumulation type radiant tube is 200～300mm.
Fine coal rapid pyrolysis apparatus the most according to claim 1, it is characterised in that described
Horizontal range between adjacent heat accumulation type radiant tube outer wall is 200～500mm.
Fine coal rapid pyrolysis apparatus the most according to claim 1, it is characterised in that described
Vertical distance between adjacent heat accumulation type radiant tube outer wall is 200～700mm.
Fine coal rapid pyrolysis apparatus the most according to claim 1, it is characterised in that described
The number of plies of heat accumulation type radiant tube is 10～25 layers.
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| CN201610429062.3A CN105925285A (en) | 2016-06-16 | 2016-06-16 | Quick powdered coal pyrolysis device |
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| CN109355070A (en) * | 2018-11-02 | 2019-02-19 | 武汉博立达农业科技发展有限公司 | Biomass and coal copyrolysis reactor |
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| CN109355070A (en) * | 2018-11-02 | 2019-02-19 | 武汉博立达农业科技发展有限公司 | Biomass and coal copyrolysis reactor |
| CN109355070B (en) * | 2018-11-02 | 2023-12-01 | 武汉兰多生物科技有限公司 | Biomass and coal co-pyrolysis reactor |
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