CN104710997B - Destructive distillation device and destructive distillation method of solid heat carrier - Google Patents
Destructive distillation device and destructive distillation method of solid heat carrier Download PDFInfo
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- CN104710997B CN104710997B CN201510150950.7A CN201510150950A CN104710997B CN 104710997 B CN104710997 B CN 104710997B CN 201510150950 A CN201510150950 A CN 201510150950A CN 104710997 B CN104710997 B CN 104710997B
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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
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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
- C10B49/00—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated
- C10B49/16—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with moving solid heat-carriers in divided form
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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
- C10B53/06—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of oil shale and/or or bituminous rocks
Abstract
The invention discloses a destructive distillation device and a destructive distillation method of a solid heat carrier. A mixing chamber of the destructive distillation device is provided with a feed opening, triangular baffling and mixing plates are arranged in the mixing chamber in a stagger manner, multiple layers of angular boxes are arranged in a destructive distillation chamber, derivation holes are formed in the angular boxes and are communicated with a settling chamber through volatile matter channels, a discharge opening is formed in the lower part of a destructive distillation solid product chamber, an oil gas outlet is formed in the upper part away from a volatile matter channel interface of the settling chamber, and a dust outlet is formed in the bottom of the settling chamber. The destructive distillation method comprises: a destructive distillation raw material and the solid heat carrier enter the mixing chamber from the feed opening and drop into the destructive distillation chamber to form a material layer after being mixed by the triangular baffling and mixing plates, the destructive distillation raw material is heated in the destructive distillation chamber to pyrolyze to release a volatile matter, the volatile matter enters the angular boxes and enters the settling chamber through the derivation holes and the volatile matter channels, a destructive distillation solid product is discharged from the discharge opening, the volatile matter enters the settling chamber, and a gas and a solid are separated and are respectively discharged from the oil gas outlet and the dust outlet. The destructive distillation device and destructive distillation method of solid heat carrier disclosed by the invention have the advantages of low power consumption, little equipment wear, good gas-solid separation effect and high resource utilization rate.
Description
Technical field
The invention belongs to derived energy chemical technical field, and in particular to a kind of power consumption is low, equipment attrition is little, gas solid separation
Effect is good, resource utilization is high hot solid carrier devolatilization device and its method for destructive distillation.
Background technology
Rich coal resources in China, raw coal are in addition to part is used for coking, conversion processing, most for directly burning,
Not only the thermal efficiency is low, serious to the destruction of environment, and the hydrogen-rich component with higher economic worth cannot be rationally sharp in coal
With.And China's oil shale, oil sands reserves are abundant, development of resources has a high potential.
At present, coal or oil shale low temperature distillation technology are most of using block gas heat carrier retorting technique, and such as coal is low
Warm destructive distillation has the strange three sections of stoves of three river stoves, Shandong, and the low temperature distillation of oil shale has Fushun stove, Maoming stove, Jilin Cheng great Lu, Estonia
Abel Kiviat stove, the Pei Teluosekesi stoves etc. of Brazil, but generally existing cannot utilize<The destructive distillation material of 15mm granularities, especially
It is oil shale industry.
Solid heat carrier pyrolysis technique is being pyrolyzed with destructive distillation material using high-temperature semi-coke or other high-temp solid materials
Indoor mixing, is pyrolyzed using the sensible heat of heat carrier.Compared with gas heat carrier pyrolytic process, solid heat carrier pyrolysis are avoided
The volatility product that pyrolysis is separated out has been obtained extensive research by flue gas dilution while reducing the load of cooling system.But
It is that conventional solid heat carrier pyrolysis technique generally carries out material mixing using mechanical agitation, while consuming a large amount of power, exists
Serious wear and sealing, stirring blade problem on deformation under the condition of high temperature；Also have using the conical baffled dependence gravity mixing of fan, but
Not only volume is larger, and heat carrier and destructive distillation material are well mixed difference, directly influence between heat carrier and coal particle
Heat transfer efficiency, it is difficult to avoid char particle from cohering, so as to affect steady flow of the solid particle in coupled system, reduces pyrolytic reaction
Air-liquid yield.In addition, conventional solid heat carrier pyrolysis technique is in practical operation, heavy tar and semicoke fine particle are adhered to
In cyclone separator and the inwall of cooling line, the stable operation of system is affected.
For<The coal or oil shale of 15mm granularities, oil-sand, can be with using fluid bed, air flow bed mode destructive distillation but this dry
Mode is evaporated, also needs further to crush, as above not only gas solid separation is difficult, and there have that power consumption is big, equipment attrition is big etc. to be all
Many disadvantages.Especially fluid bed, also be present " suffering from vomiting and diarrhoea ", oil productivity relative reduction, can equally cause the wasting of resources.Move
Dynamic bed hot solid carrier devolatilization technology, such as with cycling hot semicoke or heat retorting technique of the ash as heat carrier, although power consumption and
Equipment attrition is relatively small, but the dust in the middle of oil gas is removed and becomes the maximum restriction of the technology.Destructive distillation cannot be carried out, is caused
Resource is greatly wasted, especially oil shale industry.
That is, granule destructive distillation maximum technical bottleneck：It is exactly the fugitive constituent of destructive distillation generation（Raw coke oven gas claims empyreumatic oil
Gas）How gas solid separation is carried out.Containing oil in the middle of the fugitive constituent produced because of destructive distillation, as the reduction of temperature has oily condensation, institute
General gas solid separation is different from it.Additionally, either fluid bed, air flow bed destructive distillation, or solid thermal carriers moving bed are done
Evaporate, they belong to " isothermal " retort process, and moisture, the effusion of fugitive constituent moment easily cause heat to collapse broken so that semicoke product grain
Degree is thinner, and Dust Capacity is bigger, increased gas solid separation difficulty.
The content of the invention
The first object of the present invention is that a kind of power consumption of offer is low, equipment attrition is little, gas-solid separating effect good, resource
The high hot solid carrier devolatilization device of utilization rate；Second purpose is to provide a kind of method for destructive distillation for realizing the first mesh.
What the first object of the present invention was realized in：Including mixing chamber, destructive distillation room, destructive distillation solid product room, expansion chamber,
The mixing chamber is arranged at destructive distillation room top and is interconnected, and the destructive distillation solid product room is arranged at destructive distillation room bottom simultaneously mutually
Connection, the expansion chamber are arranged at destructive distillation solid product room both sides, and the mixing chamber top is provided with dog-house, the mixing chamber
Inside it is staggeredly equipped with the mixed plate of multiple triangle foldings from top to bottom successively, in the destructive distillation room, is provided with multiple horn shape boxes, it is described dry
Evaporate top of the room in horn shape box and be provided with the leadout hole with ft connection, the leadout hole passes through fugitive constituent passage and expansion chamber
Connection, the sedimentation building volume are much larger than fugitive constituent passage, and the destructive distillation solid product room bottom is provided with discharging opening, described heavy
Top away from fugitive constituent channel interface is provided with oil gas vent for drop room and bottom is provided with dust outlet.
What the second object of the present invention was realized in：Including batch mixing, destructive distillation, dust removal step, specifically include：
A, batch mixing：Destructive distillation raw material and solid thermal carriers are put into into mixing chamber, destructive distillation raw material and solid thermal jointly from dog-house
Destructive distillation room is fallen into after carrier falls and the mixed plate of triangle folding Jing being crisscross arranged mixes and forms material bed；
B, destructive distillation：Step A formed it is material bed in destructive distillation raw material in the destructive distillation room Jing solid thermal carriers intensification pyrolysis release
Fugitive constituent is released, fugitive constituent is upward through simultaneously Jing leadout holes derivation in material bed entrance horn shape box, and the destructive distillation formed after destructive distillation is solid
Body product drops downward into destructive distillation solid product room and Jing discharging openings are discharged；
C, dedusting：Fugitive constituent derived from step B enters expansion chamber by fugitive constituent passage, detached after gravity natural subsidence
Oil gas is discharged by oil gas vent, and dust is discharged from dust outlet.
The present invention mixes plate in the indoor triangle folding that is crisscross arranged from top to bottom of mixing, by destructive distillation cold material（Coal, oil shale or
Oil-sand）With solid thermal material（Hot semicoke or heat ash）Mixing chamber is put into jointly from the dog-house on top, by gravity fall Jing
The mixed plate of triangle folding being crisscross arranged is sufficiently mixed, and the material after being mixed enters the destructive distillation room of bottom；In destructive distillation room on
Under be disposed with multilayer horn shape box, the material after mixing falls into destructive distillation room and forms material bed, and solid thermal material is heat transfer
There is pyrolytic reaction to destructive distillation cold material, be pyrolyzed the fugitive constituent for producing, by the multilayer horn shape box for setting gradually from top to bottom nearby
Collecting Jing leadout holes is derived into following expansion chamber by the fugitive constituent passage of destructive distillation room both sides, can shorten tar in fugitive constituent
High-temperature residence time, is effectively prevented the twice decomposition of tar, and can also effectively reduce dust and escaped destructive distillation together with oil gas
It is outdoor；In addition, multiple horn shape boxes for shifting to install are also beneficial to the further mixing of material.Wave as sedimentation building volume is much larger than
Part passage is sent out, and fugitive constituent flows from top to bottom, fugitive constituent enters sedimentation building volume and increases suddenly, and gas flow rate is reduced, volatilization
Part entrained solid particle natural subsidence, further solves a gas solid separation difficult problem for fugitive constituent.The mixed plate of triangle folding and horn shape box
Compact conformation, neither consumes power, and mechanical wear is little, reliability is high, and Blending Efficiency of Blending is good.Particularly arrange many in expansion chamber
Place deflection plate so that fugitive constituent gas expansion chamber warpage flow, fugitive constituent carry dust effectively removed, and fall into it is heavy
In the middle of drop room；Oil gas in fugitive constituent expansion chamber after a lot of bother after, by oil gas vent from the bottom to top enter gas recovery system for oil；
The dust that expansion chamber is collected, is discharged out of the furnace by the dust outlet of bottom, does not only consume power, and gas-solid separating effect
Preferably.The destructive distillation device of the present invention is quiet body equipment, and destructive distillation material is again slow in destructive distillation room and the middle speed of service, because
This power consumption is low, and equipment attrition is little.By the internal structure of mixing chamber, destructive distillation room and expansion chamber, granularity can be realized<15mm
Coal, oil shale or oil-sand resource utilization rate 100%, the usual gas heat carrier retorting technique of effectively solving is unserviceable little
A grain difficult problem.In a word, the present invention have simple structure, method is convenient, power consumption is low, equipment attrition is little, gas-solid separating effect is good,
The characteristics of resource utilization is high.
Description of the drawings
Fig. 1 is the destructive distillation device working condition cross section structure diagram of the present invention；
Left views of the Fig. 2 for Fig. 1；
Top views of the Fig. 3 for Fig. 2；
Expansion chamber another structural representations of the Fig. 4 for Fig. 1
In figure：1- mixing chambers, 11- dog-houses, the mixed plate of 12- triangles folding, 2- destructive distillation room, 21- horn shape boxes, 22- leadout holes,
3- destructive distillation solid products room, 31- discharging openings, 4- expansion chambers, 41- oil gas vents, 42- dust outlets, 43- valves, 5- fugitive constituents
Passage, 6- deflection plates, deflection plate under 61-, the upper deflection plates of 62-, 7- are material bed.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but never in any form to the present invention in addition
Limit, based on present invention teach that any change for being made or improvement, belong to protection scope of the present invention.
As shown in Figure 1,2 and 3, destructive distillation device of the invention includes mixing chamber 1, destructive distillation room 2, destructive distillation solid product room 3, heavy
Drop room 4, the mixing chamber 1 are arranged at 2 top of destructive distillation room and are interconnected, and the destructive distillation solid product room 3 is arranged at destructive distillation room 2
Bottom is simultaneously interconnected, and the expansion chamber 4 is arranged at 3 both sides of destructive distillation solid product room, and 1 top of the mixing chamber is provided with and feeds intake
Mouth 11, is staggeredly equipped with the mixed plate 12 of multiple triangles foldings, setting in the destructive distillation room 2 from top to bottom successively in the mixing chamber 1
There are multiple horn shape boxes 21, the destructive distillation room 2 is provided with the leadout hole 22 with ft connection in the top in horn shape box 21, described to lead
Portal and 22 connected with expansion chamber 4 by fugitive constituent passage 5,4 volume of the expansion chamber is much larger than fugitive constituent passage 5, the destructive distillation
3 bottom of solid product room is provided with discharging opening 31, and the expansion chamber 4 is provided with oil on the top away from 5 interface of fugitive constituent passage
Gas exports 41 and bottom is provided with dust outlet 42.
The mixing chamber 1 and/or destructive distillation room 2 are cuboid or cube structure, mixed 12 two ends of plate of the triangle folding with
1 two side of mixing chamber connects and/or 21 two ends of horn shape box are connected with 2 two side of destructive distillation room.
The horn shape box 21 is that " Λ " shape or " Λ " shape add bottom both sides baffle arrangement.
The horn shape box 21 is in the Heterogeneous Permutation successively from top to bottom of destructive distillation room 2.
Deflection plate 6 is provided between 5 interface of fugitive constituent passage and oil gas vent 41 inside the expansion chamber 4.
As shown in figure 4, the expansion chamber 4 is in " W " shape structure and bottom is provided with dust outlet 42, the dust outlet 42
Valve 43 is provided with, the expansion chamber 4 sets up the lower deflection plate 61 of upper opening from valve 43, and the expansion chamber 4 exists
Between lower 61 both sides of deflection plate and 5 interface of fugitive constituent passage and oil gas vent 41, top is respectively arranged with the upper of downward and lower openings
Deflection plate 62.
The expansion chamber 4 and/or 5 outer wall of fugitive constituent passage are provided with heat-insulation layer.
As shown in Figure 1,2 and 3, method for destructive distillation of the invention includes batch mixing, destructive distillation, dust removal step, specifically includes：
A, batch mixing：Destructive distillation raw material and solid thermal carriers are put into into mixing chamber, destructive distillation raw material and solid thermal jointly from dog-house
Destructive distillation room is fallen into after carrier falls and the mixed plate of triangle folding Jing being crisscross arranged mixes and forms material bed；
B, destructive distillation：Step A formed it is material bed in destructive distillation raw material in the destructive distillation room Jing solid thermal carriers intensification pyrolysis release
Fugitive constituent is released, fugitive constituent is upward through simultaneously Jing leadout holes derivation in material bed entrance horn shape box, and the destructive distillation formed after destructive distillation is solid
Body product drops downward into destructive distillation solid product room and Jing discharging openings are discharged；
C, dedusting：Fugitive constituent derived from step B enters expansion chamber by fugitive constituent passage, detached after gravity natural subsidence
Oil gas is discharged by oil gas vent, and dust is discharged from dust outlet.
Fugitive constituent in the step C enters after expansion chamber that Jing deflection plates are V-shaped in expansion chamber or " W " shape warpage stream
It is dynamic.
The destructive distillation raw material is granularity<The coal of 15mm, oil shale or oil-sand.
The solid thermal carriers are hot semicoke and/or heat ash.
Operation principle of the present invention and the course of work：
The present invention mixes plate in the indoor triangle folding that is crisscross arranged from top to bottom of mixing, by destructive distillation cold material（Coal, oil shale or
Oil-sand）With solid thermal material（Hot semicoke or heat ash）Mixing chamber is entered jointly from the dog-house on top, by gravity fall and Jing
The mixed plate of triangle folding being crisscross arranged is sufficiently mixed, and the material after being mixed enters the destructive distillation room of bottom；In destructive distillation room on
Under shifted to install multilayer horn shape box successively, the material after mixing falls into destructive distillation room and forms material bed, and solid thermal material is heat
Pass to destructive distillation cold material occur pyrolytic reaction, be pyrolyzed produce fugitive constituent, by nearby and the above horn shape box collect Jing derive
The expansion chamber into destructive distillation solid product room both sides is derived by the fugitive constituent passage of destructive distillation room both sides in hole；It is remote due to settling building volume
More than fugitive constituent passage, and fugitive constituent flows from top to bottom, then fugitive constituent enters sedimentation building volume and increases suddenly, gas flow rate drop
It is low, fugitive constituent entrained solid particle natural subsidence.Particularly in the indoor arrangement many places deflection plate of sedimentation so that fugitive constituent gas
The warpage flowing in expansion chamber, the dust that fugitive constituent is carried effectively is removed, and is fallen in the middle of expansion chamber；Oil in fugitive constituent
Gas expansion chamber after a lot of bother after, by oil gas vent from the bottom to top enter gas recovery system for oil；The dust that expansion chamber is collected,
Discharged out of the furnace by the dust outlet of bottom.Mixing chamber and destructive distillation room are set to cuboid or cube structure further, therebetween
The mixed plate of triangle folding and horn shape box two ends be connected with two side respectively, both facilitated inside triangle folding to mix plate and horn shape box two ends
Connection and replacing, and overall structure is simple, convenient processing and manufacture.In addition, the present invention is to fugitive constituent passage and/or expansion chamber
Insulation, can effectively prevent fugitive constituent passage and/or the oily condensation phenomenon produced by expansion chamber temperature drop so that the dust in fugitive constituent
Removed before oily condensation point.The destructive distillation device of the present invention is quiet body equipment, and destructive distillation material in destructive distillation room and middle operation
Speed is again slow, therefore power consumption is low, and equipment attrition is little.By the special construction using mixing chamber and destructive distillation room and coordinate
Sedimentation cell structure, can realize granularity<The coal of 15mm, oil shale or oil-sand resource utilization rate 100%, effectively solve usual gas
The unserviceable little particle difficult problem of body heat carrier retorting technique.In a word, the present invention has that simple structure, method be convenient, power disappears
Consume the characteristics of low, equipment attrition is little, gas-solid separating effect is good, resource utilization is high.
Embodiment 1
As shown in Figure 1,2 and 3, it is graininess that destructive distillation material accounts for 94% brown coal grain and solid thermal carriers for 5～6mm of granularity
Hot semicoke.
A, above-mentioned brown coal grain and hot semicoke are put into jointly from the dog-house on mixing chamber top, Jing interlocks successively from top to bottom
Destructive distillation room is fallen into after the mixed plate mixing of " Λ " shape triangle folding for arranging and forms material bed；
B, it is material bed in brown coal grain in the destructive distillation room the hot semicoke intensification pyrolysis of Jing discharge fugitive constituent, fugitive constituent is worn upwards
Cross material bed in " Λ " shape horn shape box that Heterogeneous Permutation is arranged successively from top to bottom, Jing leadout holes therein are derived, and are done
The destructive distillation solid product formed after evaporating drops downward into destructive distillation solid product room and Jing discharging openings are discharged；
C, fugitive constituent import expansion chamber, Jing deflection plates V-shaped folding in expansion chamber from top to bottom by fugitive constituent passage
Meander is dynamic, and natural subsidence with dedusting, derived by oil gas vent by detached oil gas under gravity, and dust is arranged from dust outlet
Go out.
Embodiment 2
It is hot semicoke that destructive distillation material accounts for 97% oil shale particle and solid thermal carriers for 13～15mm of granularity.
A, above-mentioned oil shale particle and hot semicoke are put into jointly from the dog-house on mixing chamber top, from top to bottom Jing successively
Destructive distillation room is fallen into after the mixed plate mixing of " Λ " shape triangle folding being crisscross arranged and forms material bed；
B, it is material bed in oil shale particle in the destructive distillation room the hot semicoke intensification pyrolysis of Jing discharge fugitive constituent, fugitive constituent to
On through it is material bed enter from top to bottom successively Heterogeneous Permutation arrange " Λ " shape add in the horn shape box of bottom both sides baffle arrangement,
Jing leadout holes therein are derived, and the destructive distillation solid product formed after destructive distillation drops downward into destructive distillation solid product room Jing discharging openings
Discharge；
C, fugitive constituent import expansion chamber from top to bottom by fugitive constituent passage, and Jing deflection plates are rolled in " W " shape in expansion chamber
Meander is dynamic, and natural subsidence with dedusting, derived by oil gas vent by detached oil gas under gravity, and dust is arranged from dust outlet
Go out.
Embodiment 3
It is heat ash that destructive distillation material accounts for 88% brown coal particle and solid thermal carriers for 8～10mm of granularity.
A, the dog-house by above-mentioned brown coal particle and heat ash from mixing chamber top are put into jointly, and Jing interlocks successively from top to bottom
Destructive distillation room is fallen into after the mixed plate mixing of " Λ " shape triangle folding for arranging and forms material bed；
B, it is material bed in brown coal particle in the destructive distillation room ash intensification pyrolysis of Jing heat discharge fugitive constituent, fugitive constituent is worn upwards
Cross it is material bed enter from top to bottom " Λ " shape that Heterogeneous Permutation is arranged successively and add the horn shape box of bottom both sides baffle arrangement, Jing its
In leadout hole derive, and the destructive distillation solid product formed after destructive distillation drop downward into destructive distillation solid product room and Jing discharging openings row
Go out；
C, fugitive constituent import expansion chamber from top to bottom by fugitive constituent passage, and Jing deflection plates are rolled in " W " shape in expansion chamber
Meander is dynamic, and natural subsidence with dedusting, derived by oil gas vent by detached oil gas under gravity, and dust is arranged from dust outlet
Go out.
Claims (10)
1. a kind of hot solid carrier devolatilization device, it is characterised in that including mixing chamber（1）, destructive distillation room（2）, destructive distillation solid product room
（3）, expansion chamber（4）, the mixing chamber（1）It is arranged at destructive distillation room（2）Top is simultaneously interconnected, the destructive distillation solid product room
（3）It is arranged at destructive distillation room（2）Bottom is simultaneously interconnected, the expansion chamber（4）It is arranged at destructive distillation solid product room（3）Both sides, institute
State mixing chamber（1）Top is provided with dog-house（11）, the mixing chamber（1）Multiple triangles are staggeredly equipped with from top to bottom successively inside
The mixed plate of shape folding（12）, the destructive distillation room（2）Multiple horn shape boxes are provided with inside（21）, the destructive distillation room（2）In horn shape box（21）It is interior
Top be provided with the leadout hole with ft connection（22）, the leadout hole（22）By fugitive constituent passage（5）With expansion chamber（4）
Connection, the expansion chamber（4）Volume is much larger than fugitive constituent passage（5）, the destructive distillation solid product room（3）Bottom is provided with discharging
Mouthful（31）, the expansion chamber（4）Away from fugitive constituent passage（5）The top of interface is provided with oil gas vent（41）And bottom is arranged
There is dust outlet（42）.
2. destructive distillation device according to claim 1, it is characterised in that the mixing chamber（1）And/or destructive distillation room（2）For rectangular
Body or cube structure, the triangle folding mix plate（12）Two ends and mixing chamber（1）Two side connects and/or the horn shape box
（21）Two ends and destructive distillation room（2）Two side connects.
3. destructive distillation device according to claim 1, it is characterised in that the horn shape box（21）It is that " Λ " shape or " Λ " shape add
Bottom both sides baffle arrangement.
4. the destructive distillation device according to claim 1 or 3, it is characterised in that the horn shape box（21）In destructive distillation room（2）From upper
And under Heterogeneous Permutation successively.
5. destructive distillation device according to claim 1, it is characterised in that the expansion chamber（4）Inside is in fugitive constituent passage（5）
Interface and oil gas vent（41）Between be provided with deflection plate（6）.
6. destructive distillation device according to claim 5, it is characterised in that the expansion chamber（4）In " W " shape structure and bottom sets
It is equipped with dust outlet（42）, the dust outlet（42）It is provided with valve（43）, the expansion chamber（4）From valve（43）Set upwards
It is equipped with the lower deflection plate of upper opening（61）, the expansion chamber（4）In lower deflection plate（61）Both sides and fugitive constituent passage（5）Interface
And oil gas vent（41）Between top be respectively arranged with downwards and lower openings upper deflection plate（62）.
7. the destructive distillation device according to claim 1,2,3,5 or 6, it is characterised in that the expansion chamber（4）And/or fugitive constituent
Passage（5）Outer wall is provided with heat-insulation layer.
8. a kind of method for destructive distillation based on the arbitrary described hot solid carrier devolatilization device of claim 1 to 7, it is characterised in that bag
Batch mixing, destructive distillation, dust removal step is included, is specifically included：
A, batch mixing：Destructive distillation raw material and solid thermal carriers are put into into mixing chamber, destructive distillation raw material and solid thermal carriers jointly from dog-house
The triangle for falling simultaneously Jing being crisscross arranged falls into destructive distillation room after rolling over mixed plate mixing and forms material bed；
B, destructive distillation：Step A formed it is material bed in destructive distillation raw material in the destructive distillation room Jing solid thermal carriers intensification pyrolysis discharge
Fugitive constituent, fugitive constituent are upward through simultaneously Jing leadout holes derivation in material bed entrance horn shape box, and the destructive distillation solid formed after destructive distillation is produced
Thing drops downward into destructive distillation solid product room and Jing discharging openings are discharged；
C, dedusting：Fugitive constituent derived from step B enters expansion chamber by fugitive constituent passage, detached oil gas after gravity natural subsidence
Discharged by oil gas vent, and dust is discharged from dust outlet.
9. method for destructive distillation according to claim 8, it is characterised in that the fugitive constituent in the step C enters Jing after expansion chamber
Deflection plate is V-shaped in expansion chamber or " W " shape warpage flows.
10. method for destructive distillation according to claim 8 or claim 9, it is characterised in that the destructive distillation raw material is granularity<The coal of 15mm,
Oil shale or oil-sand；The solid thermal carriers are hot semicoke and/or heat ash.
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| CN201347419Y (en) * | 2008-09-16 | 2009-11-18 | 吴启成 | Gas retort capable of processing 2000 tons of granule oil shale |
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| CN204550474U (en) * | 2015-04-01 | 2015-08-12 | 曲靖众一精细化工股份有限公司 | A kind of hot solid carrier devolatilization device |
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