CN105542816B - A kind of screw propulsion material external-heat dry distillation of coal device - Google Patents
A kind of screw propulsion material external-heat dry distillation of coal device Download PDFInfo
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- CN105542816B CN105542816B CN201610021665.XA CN201610021665A CN105542816B CN 105542816 B CN105542816 B CN 105542816B CN 201610021665 A CN201610021665 A CN 201610021665A CN 105542816 B CN105542816 B CN 105542816B
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- destructive distillation
- distillation room
- room
- heating chamber
- 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
- 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
- C10B21/00—Heating of coke ovens with combustible gases
- C10B21/02—Heating of coke ovens with combustible gases with lean gas
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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
- C10B31/00—Charging devices
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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
- C10B7/00—Coke ovens with mechanical conveying means for the raw material inside the oven
- C10B7/10—Coke ovens with mechanical conveying means for the raw material inside the oven with conveyor-screws
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The present invention proposes a kind of screw propulsion material external-heat dry distillation of coal device, including：Heating chamber, destructive distillation room, helix transporting device, cracking gas collecting chamber, bearing support block, feeding-discharging mechanism and drive device, cracking gas collecting chamber is arranged on destructive distillation room and connected with destructive distillation room, the heated portion of destructive distillation room is in heating chamber, feeding-discharging mechanism connection destructive distillation room, helix transporting device is arranged in destructive distillation room and end passes through bearings seat supports, drive device is connected to the end of helix transporting device, and fume emission mouth is offered in heating chamber.The pioneering propulsion realized in dry distillation of coal device by the way of screw propulsion material to raw coal of the present invention, multiple destructive distillation rooms in parallel carry out destructive distillation in the heating chamber of same closing, the raw coal solved in existing dry distillation of coal technology promotes problem and efficiency of heating surface problem, has the particular advantages such as retort process coal is heated evenly, retorting time is short, the efficiency of heating surface is high, tar yield is high, raw coke oven gas calorific value is high, dustiness is low, economic well-being of workers and staff is good.
Description
Technical field
The present invention relates to dry distillation of coal technology, and in particular to a kind of screw propulsion material external-heat dry distillation of coal device, belongs to fine coal
Middle low temperature distillation technical field.
Background technology
The pyrolysis of fine coal retorting technique, also referred to as coal carbonization or coal, refer to that coal is added under conditions of air is completely cut off
Heat, the burnt oil and gas inside coal is evaporated, obtains tar, coal gas, the process of semi-coke.The technology results from 19 generation earliest
Record, originating from Germany, be mainly used in producing coal tar at the beginning of invention, be also used for producing hard coke charcoal and fuel gas, due to this
The energy conversion rate of technology is very high, is considered the third coal conversion skill arranged side by side with coal gasification, coal liquefaction both at home and abroad always
Art, and the developing direction of clean coal utilization, meet national energy policy.
Large-scale coalfield is continuously found that on the Inner Mongol in China, Xinjiang and other places.These coalfields are mainly with high volatile
Low-order coal based on, account for coal resources in China reserves more than 50%.The volatile component of lignite and jet coal therein accounts for original
Volatile component accounts for the 20%~37% of raw coal dry weight in more than the 37% of coal dry weight, dross coal and weakly caking coal.These coals are at me
Reserves in state's coal resources are larger, have the characteristics that moisture is big, caloric value is low, chemical reactivity is good, inflammable frangible, are unfavorable for
Directly burn and transport, and the thermal efficiency directly to burn is relatively low, and greenhouse gas emissions are big, and carbonization is low to these
Quality coal carries out the good method of upgrading.
The exploitation of domestic pyrolysis of coal new technology was also very active in recent years, and also the scale to pyrolysis of coal, Poly-generation provide
Technical condition.For example Zhejiang University just proposed the imagination of thermoelectricity gas multi-production process early in 1987, and state is applied for
Family's patent of invention (patent No. 92100505.2, circulating fluidized bed heat-power-gas-tar multi-joint-production apparatus exploitation》, Dalian University of Technology
In recent years hot solid carrier devolatilization new technology is being developed always, has completed the laboratory experiments of a variety of oil shales, lignite.But with regard to mesh
Preceding present situation in general, also in the starting stage, mostly using upright square lump coal pyrolysis oven, do by domestic coal carbonization industrialization
During evaporating there is it is more serious the problem of, such as raw coke oven gas calorific value caused by destructive distillation is low, normal pressure or pressure-fired are to exist
Common problem.What the current domestic dry distillation of coal had industrial advantages is the dry distillation of coal technology based on external-heat, that is, by coal
Retort process and heating process separate, and the subject matter for influenceing external-heat dry distillation of coal efficiency be wherein the propulsion mode of coal and plus
The thermal efficiency, in the current external-heat dry distillation of coal equipment raw coal propulsion mode using it is more be that the gravity based on upright furnace is promoted, carried out
Band conveying promotes, shaft rolls propulsion etc., and these raw coal propulsion modes have larger industrialization defect in actual use,
Gravity such as based on upright furnace promotes and shaft rolls Push Technology, and being limited to the equipment volume of gas retort can not be made
Greatly, the pyrolysis yield of coal is directly limit, and crawler belt conveying promotes the increase of the complexity, sealing difficulty that can then cause device structure
And the raising of equipment failure rate, therefore the raw coal propulsion mode in existing pyrolysis of coal technology in the prevalence of it is larger the defects of.
It is always the key factor that its needs considers that the efficiency of heating surface is improved in external-heat dry distillation of coal technology, is not had generally in the prior art
The efficiency of heating surface in pyrolysis and coal propulsion mode are combined consideration.Therefore a kind of external-heat dry distillation of coal device is innovated for promoting
The pyrolysis industrialization of coal is significant.
The content of the invention
The present invention is based on above-mentioned prior art problem, and innovation proposes a kind of screw propulsion material external-heat dry distillation of coal device, first
The propulsion realized in dry distillation of coal device by the way of screw propulsion material to raw coal of secondary innovation, and first in same closing
Multiple destructive distillation rooms in parallel of innovation in heating chamber, efficiently solve the raw coal in existing dry distillation of coal technology and promote problem and heating to imitate
Rate problem, have retort process coal is heated evenly, retorting time is short, the efficiency of heating surface is high, tar yield is high, raw coke oven gas calorific value is high,
The particular advantages such as dustiness is low, economic well-being of workers and staff is good, while whole dry distillation of coal device is easily realized, is simple to operate, can be according to industry
Change amplification to require to carry out the making of more sizes, market promotion prospect is wide.
It is as follows that the present invention solves the technical scheme that above-mentioned technical problem is taken：
A kind of screw propulsion material external-heat dry distillation of coal device, including：Heating chamber 3, destructive distillation room, helix transporting device 9, cracking
Gas collecting chamber 10 and drive device, the cracking gas collecting chamber 10 are arranged on the destructive distillation room, and the cracking gas collecting chamber
10 are connected with the destructive distillation room, and the heated portion of the destructive distillation room is in the heating chamber 3, and the destructive distillation of the destructive distillation room is empty
Between be isolated with the heating space of the heating chamber 3, formed with charging aperture and discharging opening, the helical feed on the destructive distillation room
Device 9 is arranged in the destructive distillation room, and the drive device drives the helix transporting device 9 to be rotated in the destructive distillation room,
Fume emission mouth 15 is offered in the heating chamber 3.
Further according to screw propulsion material external-heat dry distillation of coal device of the present invention, wherein also including cracking gas
Collecting pipe 2, the cracking gas collecting chamber 10 are formed on the outer wall of the destructive distillation room, and the cracking gas collecting chamber 10 with it is described
Destructive distillation room is in the heating chamber, and outer heat space, institute are formed between the outer wall of the destructive distillation room and the inwall of heating chamber
The one end for stating cracking gas collecting pipe 2 is communicated in the cracking gas collecting chamber 10, and the other end of the cracking gas collecting pipe 2 stretches out in
Outside the heating chamber 3.
Further according to screw propulsion material external-heat dry distillation of coal device of the present invention, wherein also including fuel confession
Room 16 and fuel supply pipe 17 are answered, the fuel supply room 16 is connected to the heating chamber by the fuel supply pipe 17
3, and the heating chamber is provided with igniter 12 in the position of connection fuel supply pipe 17, including the heating chamber is by fuel
The mode of portion's burning heats for the destructive distillation room.
Further according to screw propulsion material external-heat dry distillation of coal device of the present invention, wherein also including feeding warehouse
1 and discharging bin 6, the charging aperture 20 is opened up at the top of the destructive distillation room, and one end of the feeding warehouse 1 is connected to the charging aperture
20, the other end of the feeding warehouse 1 is stretched out in outside the heating chamber 3, and the bottom of the destructive distillation room opens up the discharging opening 22,
One end of the discharging bin 6 is connected to the discharging opening 22, and the other end of the discharging bin 6 is stretched out in outside the heating chamber 3.
Further according to screw propulsion material external-heat dry distillation of coal device of the present invention, wherein the destructive distillation room includes
Upper destructive distillation room 4 and lower destructive distillation room 5, the upper destructive distillation room 4 and lower destructive distillation room 5 are arranged side by side in the heating chamber, and upper destructive distillation
It is interconnected, is provided with upper destructive distillation room 4 and lower destructive distillation room 5 described by material connecting leg 13 between room 4 and lower destructive distillation room 5
Helix transporting device 9, the cracking gas collecting chamber 10 is provided with outside upper destructive distillation room 4 and lower destructive distillation room 5.
Further according to screw propulsion material external-heat dry distillation of coal device of the present invention, wherein the upper destructive distillation room 4
It is arranged side by side with what lower destructive distillation room 5 was parallel to each other in the heating chamber, and upper destructive distillation room 4 is more leaned on relative to lower destructive distillation room 5
The top surface of nearly heating chamber, the front top of the upper destructive distillation room 4 offer charging aperture, the front end bottom of the lower destructive distillation room 4 upwards
Portion offers downwards discharging opening, and the material connecting leg 13 connects the He of destructive distillation room 4 in upper destructive distillation room 4 with the rear end of lower destructive distillation room 5
The coal charge screw propulsion of lower destructive distillation room 5, the upper destructive distillation room 4 and the helix transporting device 9 in lower destructive distillation room 5 is in opposite direction.
Further according to screw propulsion material external-heat dry distillation of coal device of the present invention, wherein the upper destructive distillation room 4
Penetrating cylinder-like structure is respectively provided with lower destructive distillation room 5, at least one end of cylinder is fixed in heating chamber, the upper destructive distillation
Connected entrance is provided with the cylinder side wall of room 4 and lower destructive distillation room 5, the front and back end portses of the material connecting leg 13 are connected to destructive distillation
Room 4 and the connected entrance of lower destructive distillation room 5, and the bottom surface of material connecting leg 13 simultaneously with upper destructive distillation room 4 and the cylinder bottom surface of lower destructive distillation room 5
It is tangent.
Further according to screw propulsion material external-heat dry distillation of coal device of the present invention, wherein also including bearing branch
Seat is supportted, the helix transporting device 9 includes rotary shaft 18 and helical blade 19, and the helical blade 19 is set in destructive distillation chamber interior
Helical duct is axially formed in destructive distillation room in the rotary shaft 18, and along rotary shaft 18, the both ends of the rotary shaft 18 are stretched
Outside the destructive distillation room, and the both ends of the rotary shaft 18 are supported in outside destructive distillation room on the bearing support block, described
Rotational sealing structure is formed between the both ends port of destructive distillation room and the rotary shaft, the drive device is connected in described turn
One end of moving axis.
Further according to screw propulsion material external-heat dry distillation of coal device of the present invention, wherein before the destructive distillation room
Both ends are individually fixed in the rear and front end face of heating chamber afterwards, and the destructive distillation room and the junction of heating chamber form sealing structure,
The both ends of the rotary shaft 18 are stretched out in outside the heating chamber, and the bearing support block includes fore bearing support base 7 and rear axle
Hold support base 8, the front end of the rotary shaft 18 heating chamber front rolling support on the fore bearing support base 7, it is described
The rear end of rotary shaft 18 heating chamber rear rolling support after described on bearing support block 8, the drive device 11 is driven
It is connected to the rear end of the rotary shaft 18.
Further according to screw propulsion material external-heat dry distillation of coal device of the present invention, wherein behind the destructive distillation room
The rear end face of the heating chamber is fixed at end, and the destructive distillation room and the junction of heating chamber form sealing structure, the rotation
The back-end ports of the rear end of axle 18 from the destructive distillation room are stretched out in outside the heating chamber, and the bearing support block includes fore bearing
Support base 7 and rear bearing support block 8, the rear end of the rotary shaft 18 heating chamber rear rolling support after described bearing branch
Support on seat 8, the fore bearing support base 7 is arranged within the heating chamber 3, and the front end of the rotary shaft 18 is rolled in heating chamber
Dynamic to be supported on the fore bearing support base 7, the drive device 11 is connected in the rear end of the rotary shaft 18.
Technical scheme has following technology original creation and technique effect：
1）, the present invention first in dry distillation of coal device introduce helix transporting device promote raw coal material, innovated raw coal and pushed away
Enter means, solve the problems, such as conventional upright stove limitation pyrolysis yield, avoid the device structure that conventional track conveyer belt comes and answer
Miscellaneous, the problem of sealing difficulty is big, fault rate is high, raw coal material being slowly advanced in destructive distillation and thermally equivalent is effectively ensured,
And dust from flying will not be produced, can wide popularization and application in fine coal destructive distillation industrialization, wide market.
2）, the present invention initiates more than two destructive distillation rooms is arranged in parallel in the heating chamber of sealing, and innovate destructive distillation room
Spiral pusher mode under material mode of communicating and parallel connection, dry distillation efficiency is substantially increased, and provided using raw coke oven gas burning
Destructive distillation heat, realize recycling for energy.
3）, the present invention cracking gas collection device is set on destructive distillation chamber outer wall in heating chamber, cracking gas collecting chamber is set
Be placed in the top of destructive distillation room and lower destructive distillation room, can many places opening, oil gas caused by destructive distillation can discharge uniformly in time, lead to
Crossing reduces the discharge speed of carbonizing gas, improves carbonizing gas（Raw coke oven gas）The settling efficiency of middle dust, it is entirely avoided pass
The problem of air accumulation amount is big when system afterbody individually discharges gas, and then improve dry distillation efficiency.Reduce and put in destructive distillation room simultaneously
When in heating chamber and heating chamber isolation requirement because oil gas caused by destructive distillation is collected in time from destructive distillation room side wall, in coal charge
With spiral path fill up on the premise of destructive distillation chamber interior to a certain extent limit value oil gas from destructive distillation room end（Afterbody）Leak
Possibility, so as to by set between destructive distillation room port and rotary shaft sealing brush can meet destructive distillation room and heating chamber every
Require absolutely, ensure that safe for operation, and then improve dry distillation efficiency.
4）, coal charge is based on indirectly heat destructive distillation, raw coke oven gas caused by destructive distillation in upper destructive distillation room and lower destructive distillation room in the present invention
Calorific value is high, and methane content is high, and the heat in heating chamber may be from destructive distillation used heat, improve heat utilization efficiency.
5）, screw propulsion material external-heat dry distillation of coal device of the present invention passes through to connect on feeding warehouse and discharging bin and expects more
Cylinder series connection feed bin, raw coke oven gas is avoided under negative pressure or positive pressure operation in destructive distillation room from feed inlet and outlet leakage and oxygen from input and output material
The danger that mouth enters in destructive distillation room, avoid the possibility of pyrolytic process blast.
6）, screw propulsion material external-heat dry distillation of coal device of the present invention operating condition it is flexible, wherein upper destructive distillation room and
The pressure of lower destructive distillation room can carry out flexible modulation, raw coke oven gas flow velocity in destructive distillation room can be reduced by improving pressure, so as to have
Beneficial to the sedimentation of dust in raw coke oven gas；And destructive distillation room may operate in negative pressure or malleation destructive distillation condition；Can under positive pressure operation
The compression power consumption of raw coke oven gas following process is reduced, retorting time can be shortened under negative-pressure operation, improve the output capacity of tar, so as to
Device of the present invention has stronger industrialization amplification application prospect.
7）, the present invention resistant to elevated temperatures sealing brush or stuffing seal are used between destructive distillation room and helix transporting device,
Not stop sealing replacing can be realized, it is ensured that the macrocyclic stable operation of whole device.
Brief description of the drawings
Accompanying drawing 1 is cuing open for the screw propulsion material external-heat dry distillation of coal device of the present invention as the first preferred embodiment
Face front view；
Accompanying drawing 2 is cuing open for the screw propulsion material external-heat dry distillation of coal device of the present invention as the first preferred embodiment
Face top view；
Accompanying drawing 3 is cuing open for the screw propulsion material external-heat dry distillation of coal device of the present invention as the first preferred embodiment
Surface side view；
Accompanying drawing 4 is as in the screw propulsion material external-heat dry distillation of coal device of the present invention of the first preferred embodiment
The cross-section front view of destructive distillation room；
Accompanying drawing 5 is as under in the screw propulsion material external-heat dry distillation of coal device of the present invention of the first preferred embodiment
The cross-section front view of destructive distillation room；
Accompanying drawing 6 is as entering in the screw propulsion material external-heat dry distillation of coal device of the present invention of the first preferred embodiment
The structural representation of more barrel series connection feeding magazines is set on feed bin；
Accompanying drawing 7 is as going out in the screw propulsion material external-heat dry distillation of coal device of the present invention of the first preferred embodiment
The structural representation of more barrel series connection blanking magazines is set on feed bin；
Accompanying drawing 8 is cuing open for the screw propulsion material external-heat dry distillation of coal device of the present invention as the second preferred embodiment
Face front view；
Accompanying drawing 9 is cuing open for the screw propulsion material external-heat dry distillation of coal device of the present invention as the second preferred embodiment
Face top view；
Accompanying drawing 10 is as in the screw propulsion material external-heat dry distillation of coal device of the present invention of the second preferred embodiment
The cross-section front view of upper destructive distillation room；
Accompanying drawing 11 is as in the screw propulsion material external-heat dry distillation of coal device of the present invention of the second preferred embodiment
The cross-section front view of lower destructive distillation room.
The implication of each reference is as follows in figure：
1- feeding warehouses, 2- cracking gas collecting pipes, 3- heating chambers, the upper destructive distillation rooms of 4-, destructive distillation room under 5-, 6- discharging bins, before 7-
Bearing support block, bearing support block after 8-, 9- helix transporting devices, 10- cracking gas collecting chambers, 11- drive devices, 12- igniting
Device, 13- material connecting legs, 14- adiabatic walls, 15- fume emission mouths, 16- fuel supply rooms, 17- fuel supply pipe, 18- are rotated
Axle, 19- helical blades, 20- charging apertures, 21- gas outlets, 22- discharging openings, 23- destructive distillation chamber outer walls, the more barrel series connection feedings of 24-
Magazine, the more barrel series connection blanking magazines of 25-.
Embodiment
Technical scheme is described in detail below in conjunction with accompanying drawing, so that those skilled in the art can be more
Add and be clearly understood from the present invention, but therefore do not limit the scope of the invention.
Screw propulsion material external-heat dry distillation of coal device provided by the present invention is entered using screw propulsion material and external heating mode
Row coal carbonization, whole device include heating chamber, destructive distillation room, helix transporting device, cracking gas collecting chamber, bearing support block, entered
Feed bin, cracking gas collecting pipe, discharging bin, drive device, igniter and fuel supply device.Described destructive distillation room is carried out as coal
The reaction compartment of dry distillation reactor, coal is thermally decomposed to generate the materials such as semicoke, coalite tar, coal gas in destructive distillation room, in destructive distillation
Feeding warehouse and discharging bin are connected on room, raw coal input is provided into destructive distillation room by feeding warehouse, by discharging bin by coal in destructive distillation
The solid products such as the semicoke after indoor destructive distillation are exported, and described helix transporting device is arranged in destructive distillation room, passes through helical feed
Device realizes spiral promotion of the feed coal in retort process in destructive distillation room, and make coal during screw propulsion uniformly by
Heat；The cracking gas collecting chamber is close to the setting of destructive distillation chamber outer wall, and is connected with destructive distillation room, is done for collecting coal in destructive distillation room in time
Evaporate caused gaseous material（Coal tar, coal gas etc.）, and exported by cracking gas collecting pipe to outside heating chamber.Described destructive distillation room
It is tightly connected and cracking gas collecting chamber may be contained within heating chamber, and between the destructive distillation room and heating chamber into enclosed construction,
Fuel supply device supplies fuel in heating chamber extroversion heating chamber（Oxygen+fuel gas）, and the igniting of heated indoor setting
Device is burnt after lighting in heating chamber, and heat smoke caused by burning heats to destructive distillation chamber outer wall, by between heat transfer
Connect and the coal in destructive distillation room is heated, there is provided the necessary thermal source of the dry distillation of coal.Described helix transporting device passes through bearings
Seat supports, and be connected with drive device, rotated under the gearing of drive device, realize that the spiral of raw coal pushes away
Enter.
Screw propulsion material external-heat dry distillation of coal device of the present invention has a variety of excellent in the category of above-mentioned technical concept
The embodiment of choosing, two preferred embodiments are given below, but the invention is not limited in this, those skilled in the art are at this
The improvement of any known property carried out on innovation concept belongs to the protection category of the present invention.
First preferred embodiment
Below in conjunction with the accompanying drawings 1 the first excellent of screw propulsion material external-heat dry distillation of coal device of the present invention is provided to accompanying drawing 7
Select the concrete composition structure and its course of work of embodiment.The screw propulsion material external-heat dry distillation of coal described in the embodiment fills
Put and preferably include two destructive distillation rooms, and the present invention has further innovated position relationship and the material transmission between two destructive distillation rooms
Mode, but the invention is not limited in this, those skilled in the art can set three on the basis of the innovation thinking of the present invention
Destructive distillation room above, this is belonged within the technology category of the present invention.As shown in Figures 1 and 2, the preferable spiral
Promote material external-heat dry distillation of coal device include feeding warehouse 1, cracking gas collecting pipe 2, heating chamber 3, upper destructive distillation room 4, lower destructive distillation room 5,
Discharging bin 6, fore bearing support base 7, rear bearing support block 8, helix transporting device 9, cracking gas collecting chamber 10, drive device 11,
Igniter 12, material connecting leg 13, fume emission mouth 15, fuel supply room 16 and fuel supply pipe 17.Described heating chamber 3 is made
For the heat exchange space of whole dry distillation of coal device, heat-seal space structure is formed as using heat-insulating material, it is preferable such as the He of accompanying drawing 1
Shown in 3, be formed as rectangular parallelepiped space structure, six sides of cuboid are formed using adiabatic wall 14, in the heating chamber
Front/rear end and top surface, bottom surface on offer the opening passed through for rotary shaft and associated pipe, but the adiabatic wall of heating chamber
Hermetical connecting structure is formed between rotary shaft and associated pipe, ensures the adiabatic sealing property of whole heating chamber 3.Described
Upper destructive distillation room 4 is close with the lower structure of destructive distillation room 5, and may be contained within the heating chamber 3, in combination with accompanying drawing 3 to accompanying drawing 5, institute
State the front/rear end for being fixed in heating chamber side by side that destructive distillation room 4 and lower destructive distillation room 5 be transversely parallel to each other in heating chamber it
Between, and upper destructive distillation room 4 relative to lower destructive distillation room 5 vertically closer to the top surface of heating chamber, the upper destructive distillation room 4 and lower destructive distillation room
5 preferably have penetrating cylinder-like structure, and the leading section of cylinder is sealingly fastened in the front end face of heating chamber, the rear end of cylinder
Portion is sealingly fastened in the rear end face of heating chamber, and the heat exchange of closing is formed between the lateral wall and heating chamber internal face of cylinder
Space.Charging aperture 20 has been upwardly formed in side wall of the upper destructive distillation room 4 close to front end, has been sealedly connected with the charging aperture 20
Feeding warehouse 1, the top surface of the heating chamber offer the opening passed through for feeding warehouse 1, and the top surface of the heating chamber with it is described enter
It is tightly connected between feed bin, so as to be provided raw coal material in supreme destructive distillation room outside heating chamber by the feeding warehouse.
Discharging opening 22 has been formed down in side wall of the lower destructive distillation room 5 close to front end, has been sealedly connected with the discharging opening 22
Discharging bin 6, the bottom surface of the heating chamber, which offers, confesses the opening that feed bin 6 passes through, and the bottom surface of the heating chamber with it is described go out
It is tightly connected between feed bin, so as to which the destructive distillation product in destructive distillation room can be sent to outside heating chamber by the discharging bin.Institute
It is interconnected between the upper destructive distillation room 4 and lower destructive distillation room 5 stated by material connecting leg 13, specifically with reference to accompanying drawing 1 to accompanying drawing 3, institute
State material connecting leg 13 be connected near upper destructive distillation room 4 and the lower rear end of destructive distillation room 5 destructive distillation room 4 and lower destructive distillation room 5 side wall it
Between, in the side wall upper shed of upper destructive distillation room 4 and the lower rearward end of destructive distillation room 5, the material connecting leg 13 has front and rear penetrating wedge shape
Structure, front and rear open end are sealedly attached to the opening on destructive distillation room 4 and the lower side wall of destructive distillation room 5 respectively, preferably such as the institute of accompanying drawing 3
Show, the bottom surface of the material connecting leg 13 while, the material connecting leg tangent with the bottom cylindrical face of upper destructive distillation room 4 and lower destructive distillation room 5
The face of cylinder that 13 top surface is connected to the destructive distillation chamber outer wall 23 of destructive distillation room 4 and lower destructive distillation room 5 corresponds to horizontal diameter
Position, the two side of the material connecting leg 13 are vertically connected at the cylindrical side of upper destructive distillation room 4 and lower destructive distillation room 5.The material
Connecting leg 13 is sealedly attached to destructive distillation room 4 and lower destructive distillation room 5, while material transferring therebetween is realized, the He of destructive distillation room 4 in guarantee
Sealing between lower destructive distillation room 5.It is sent to by the coal in destructive distillation room 4 on the material connecting leg 13 from its bottom cylindrical face
In lower destructive distillation room, the continuous transmission of material when upper and lower destructive distillation room is arranged side by side is realized, in this innovation thinking model of the present invention
, also can be by each destructive distillation room to shift to install up and down, and with bottom surface phase between each destructive distillation room when setting multiple destructive distillation rooms under farmland
Butt formula sets material communicating passage.Cracking gas collecting chamber 10 is provided with outside the upper destructive distillation room 4 and lower destructive distillation room 5, it is described
Cylindrical outer wall surface of the cracking gas collecting chamber 10 along destructive distillation room is set, and the top in the face of cylinder, as shown in Figure 3, described
Cracking gas collecting chamber 10 is preferably the cuboid chamber structure extended in destructive distillation ceiling portion along destructive distillation chamber axial direction, cracking gas
Top surface, end face and the side of collecting chamber use planar structure, the bottom surface of the cylindrical outer wall face of destructive distillation room as cracking gas collecting chamber；
Or the cracking gas collecting chamber is the annular cavity type cell structure being formed on the cylindrical outer wall surface of destructive distillation room, cracking gas collecting chamber
End face, side be planar structure, the bottom surface of the cylindrical outer wall face of destructive distillation room as cracking gas collecting chamber, cracking gas collecting chamber
Top surface is the arcwall face coaxial with destructive distillation room cylindrical outer wall face.The cracking gas collecting chamber connects with destructive distillation room, is received in cracking gas
Collecting and be sealedly connected with cracking gas collecting pipe 2 on the top surface of room, the cracking gas collecting pipe 2 stretches out in outside heating chamber 3 upwards, and
Hermetical connecting structure is formed between the cracking gas collecting pipe 2 and heating chamber, inside upper destructive distillation room 4 and lower destructive distillation room 5
Coal caused oil gas after high-temperature retorting is collected via the cracking gas collecting chamber set on upper destructive distillation room 4 and lower destructive distillation room 5, is gone forward side by side
Being exported via cracking gas collecting pipe 2 to outside heating chamber 3 for one step, realizes the extraction of destructive distillation oil gas.The cracking gas collecting chamber
Planform and its big I determine that but said structure is optimum structure according to oil and gas content.The cracking gas collecting pipe 2 can
Cracking gas collecting chamber is provided with more as needed, as above the cracking gas collecting chamber outside destructive distillation room 4 and lower destructive distillation room 5 can be distinguished
Two cracking gas collecting pipes are set.Described cracking gas collecting chamber is integrally formed or is welded on destructive distillation room, ensure that and destructive distillation
High sealing connection between room, the possibility that cracking gas is leaked in heating chamber, while cracking gas collecting chamber and destructive distillation room are prevented
It is in together in heating chamber and ensure that oil gas caused by destructive distillation can be exported smoothly in a gaseous form.
Helix transporting device 9 is provided with described upper destructive distillation room 4 and lower destructive distillation room 5, is filled by the helical feed
Put 9 realizations movement of the raw coal material in retort process in destructive distillation room up and down.The helix transporting device 9 includes the He of rotary shaft 18
The helical blade 19 being fixedly installed in rotary shaft 18, length of the helical blade 19 along the rotary shaft form spiral and led to
Road, the preferable helical blade can use entity spiral face, belt type spiral face, blade screw face or tooth form helicoid structure.
The helix transporting device 9 is in upper and lower destructive distillation indoor location and causes between the outward flange of helical blade 19 and the inwall of destructive distillation room
The gap of 2-5 millimeters is left, the gap is applicant when spiral pusher mechanism is applied into pyrolysis of coal field by long-term examination
Test the coal charge that can either ensure to realize destructive distillation room for summing up it is stable promote, and can is enough prevented between the stuck innovation of helical blade
Gap size.The helical blade 19 is only arranged in the rotary shaft 18 in the destructive distillation chamber interior, and the two of the rotary shaft 18
End is stretched out in outside the destructive distillation room.The front-end and back-end of the specific rotary shaft 18 stretch out in respectively from the both ends of destructive distillation room
Outside heating chamber, and rolling support is on fore bearing support base 7 in front of heating chamber for the front end of rotary shaft 18, the rear end of rotary shaft 18
In heating chamber rear rolling support on rear bearing support block 8, the fore bearing support base 7 and rear bearing support block 8 are rotation
The rotation of axle provides bearings.Rotational sealing structure is formed between the rotary shaft 18 and the rear and front end of destructive distillation room, specifically
Upper destructive distillation room 4 rear and front end port and rotary shaft therebetween through between rotational sealing structure, lower destructive distillation room 5 are set respectively
Rear and front end port and rotary shaft therebetween through between rotational sealing structure is also set respectively, the rotational sealing structure exists
Ensure to form highly dense seal structure to destructive distillation chamber interior while rotary shaft can be rotated freely, the preferable rotational sealing structure
Can use resistant to elevated temperatures sealing brush or other stop sealing change mechanism.The rear end of the rotary shaft 18 is connected to driving dress
11 are put, the rear end of preferable rotary shaft is connected in the output revolving shaft of drive device 11 by feed belt, is driven so as to pass through
Dynamic device band turn moving axis rotates in destructive distillation room, and then drives the helical blade in rotary shaft to rotate, and turn of helical blade
Dynamic then in promotion destructive distillation room coal charge is promoted along spiral path.The upper destructive distillation room and lower destructive distillation room being arranged side by side in the present invention
Interior rotary shaft can individually or Synchronization Control, and the hand of spiral of helical blade can be in the same direction or oppositely arranged in rotary shaft.When upper and lower
When the hand of spiral of helical blade in destructive distillation room in rotary shaft is identical, the rotation direction of the rotary shaft in control in destructive distillation room with
The rotation direction of rotary shaft in lower destructive distillation room is on the contrary, when the hand of spiral phase of the helical blade in upper and lower destructive distillation room in rotary shaft
Inverse time, the rotary shaft up and down in destructive distillation room is controlled synchronously to rotate in same direction, to ensure charging of the coal charge from upper destructive distillation room front top
After storehouse enters in upper destructive distillation room, the rear end of destructive distillation room is advanced into backward along spiral path under the rotary action of its rotary shaft,
Then by material connecting leg 13 enter lower destructive distillation room, then in lower destructive distillation room under the rotary action of rotary shaft along spiral path forward
The front end of lower destructive distillation room is advanced into, and is discharged from the discharging bin of lower destructive distillation room front end, realizes the steady conveying of material.
Described heating chamber 3 is that internal destructive distillation room carries out external heat by way of fuel combustion, preferably described to add
The bottom surface in hot cell is further connected to fire to fuel supply pipe 17, the fuel supply pipe 17 is externally connected with outside heating chamber
Expect supply room 16, the fuel supply room 16 provides fuel by the fuel supply pipe 17 into the heating chamber, described
The position of connection fuel supply pipe 17 is provided with igniter 12 in heating chamber 3, so passed through from the fuel of fuel supply room 16
When in the entrance heating chamber of fuel supply pipe 17, burnt under the ignition action of igniter in heating chamber, so as to for
Destructive distillation room provides thermal source.Preferable fuel supply room 16 provides raw coke oven gas and oxygen to heating chamber, and both mix in heating chamber
Heat transfer space after conjunction through igniting and between adiabatic wall 14 and destructive distillation chamber outer wall is burnt, and described raw coke oven gas can derive from dry
The gaseous product after oil vapor treatment is evaporated, heat is provided for destructive distillation room using heat smoke caused by burning, realizes resource circulation utilization.
Setting fuel supply pipe 17 can be connected in bottom of heating chamber many places and igniter is set as needed.Also other temperature can be used
More than 800 DEG C thermals source.The top surface of the heating chamber is provided with least one fume emission mouth 15, so as to which Indoor Combustion will be heated
Flue gas afterwards is discharged in time, and combustion product gases flow from bottom to top in heating chamber, ensure that the efficiency of heating surface to destructive distillation room.It is preferred that
Near heating chamber front end of the top surface set a fume emission mouth 15, with cause combustion product gases can be stopped in heating chamber compared with
For a long time, the efficiency of heating surface is ensured.
Further is to prevent screw propulsion material external-heat dry distillation of coal device of the present invention under negative pressure or positive pressure operation
Raw coke oven gas in upper destructive distillation room 4 and lower destructive distillation room 5 enters oxygen from charging aperture, discharging opening leakage and upper and lower destructive distillation room（Air）Danger
Danger, can further preferably as shown in accompanying drawing 6 and accompanying drawing 7, more barrels are connected on the feeding warehouse 1 of upper destructive distillation room connection and are connected
Feeding magazine 24, more barrel series connection blanking magazines 25 are connected on the discharging bin 6 of lower destructive distillation room connection, continuous feed is realized and goes out
Material.Specifically when needing charging, the top feed bin inlet valve of more barrel series connection feeding magazines 24 is opened, closes its middle part feed bin
Isolating valve, the at this moment bottom feed bin of more barrel series connection feeding magazines 24 and the isolation of top feed bin, it is ensured that in top feed bin feeding
While bottom feed bin be fed on request to feeding warehouse 1, when top feed bin feed supplement in place after, close top feed bin inlet valve, beat
Middle part feed bin isolating valve is driven, upper and lower feed bin is connected as a single entity, and top bunker raw material enters bottom feed bin under gravity, and this is at present
Portion's feed bin remains to continue to be fed to feeding warehouse 1 on request.Using opposite behaviour when the discharging bin 6 for similarly descending destructive distillation room to connect discharges
The practice, ensure that input and output material therebetween on raw coke oven gas in destructive distillation room 4 and lower destructive distillation room 5 will not be let out from charging aperture and discharging opening
Leakage, while oxygen will not be also entered to by charging aperture and discharging opening in upper and lower destructive distillation room, and it is safe for operation to further increase equipment
Property.
Use screw propulsion material external-heat dry distillation of coal device of the present invention carry out the process of fine coal destructive distillation for：Waste coal
The fuel such as gas, oxygen provide to be provided supreme to simultaneously ignition in heating chamber, feeding warehouse of the raw material fine coal through upper destructive distillation room front end
In destructive distillation room, and the rear end of destructive distillation room is flowed in upper destructive distillation room under the impetus of helix transporting device from right to left,
Then lower destructive distillation room is entered by material connecting leg, and again in lower destructive distillation room under the impetus of helix transporting device from a left side to
The right side flows to the front end of lower destructive distillation room, uniform pickup heating chamber transmission during movable in upper and lower destructive distillation room of fine coal
Heat, and carry out carbonization decomposition reaction, caused gaseous material are collected by cracking gas collecting chamber, and from cracking gas collecting pipe to
Outer conveying, discharging bin discharge of the caused solid-state slag charge through lower destructive distillation room front end, completes powder coal carbonization.
Second preferred embodiment
Below in conjunction with the accompanying drawings 8 the second excellent of screw propulsion material external-heat dry distillation of coal device of the present invention is provided to accompanying drawing 11
Select the concrete composition structure and its course of work of embodiment.As shown in accompanying drawing 8 to accompanying drawing 11, screw propulsion of the present invention
The second preferred embodiment of external-heat dry distillation of coal device and differing only in for above-mentioned first preferred embodiment are expected, second
In preferred embodiment, the fore bearing support base 7 is arranged at the inside of heating chamber 3, specifically upper destructive distillation room 4 and lower destructive distillation room
5 cylinder back-end sealing is fixed on the rear end face of heating chamber, and the cylinder front end of upper destructive distillation room 4 and lower destructive distillation room 5 is in heating chamber
Inside, and the front end of the rotary shaft 18 of the helix transporting device in destructive distillation room is stretched out in outside cylinder front end up and down, but still in
Within heating chamber, rolling support is on fore bearing support base 7 in front of the destructive distillation room of heating chamber for the front end of rotary shaft 18, institute
Fore bearing support base 7 is stated to be arranged in heating chamber.The rear end of the rotary shaft 18 then stretch out in the destructive distillation room and heating chamber it
Outside, and in heating chamber rear rolling support on rear bearing support block 8.Formed between the rear and front end of rotary shaft 18 and destructive distillation room
Resistant to elevated temperatures rotary seal is set between rotational sealing structure, the especially front-end port of destructive distillation room and rotary shaft therebetween through
Structure, the rotational sealing structure can ensure that reaching destructive distillation sealing between destructive distillation room and heating chamber wants under the hot environment of heating chamber
Ask, while freely rotating for rotary shaft can be provided, the preferable rotational sealing structure can use resistant to elevated temperatures sealing brush or
Other refractory seals mechanisms of person, this rotary seal mechanism have been widely used in this area, have been not described again.Except this it
Outer other structures feature and the specific course of work are identical with above-mentioned first preferred embodiment, herein no longer
Repeated description.In second preferred embodiment, pass through this spiral transferring by upper destructive distillation room and lower destructive distillation room and its inside
Send device completely set up in heating chamber, improve the sealing of heating chamber to greatest extent, reduce the heat loss of heating chamber,
Improve the destructive distillation efficiency of heating surface.
Screw propulsion material external-heat dry distillation of coal device of the present invention is that applicant passes through long-term innovation Test Summary
The system that can be good at being applied to low temperature distillation in external-heat fine coal out, has following technological innovation feature：
1）, the present invention first in dry distillation of coal device introduce helix transporting device promote raw coal material, innovated fine coal and pushed away
Enter means, solve the problems, such as conventional upright stove limitation pyrolysis yield, avoid the device structure that conventional track conveyer belt comes and answer
Miscellaneous, the problem of sealing difficulty is big, fault rate is high, fine coal material being slowly advanced in destructive distillation and thermally equivalent is effectively ensured,
And dust from flying will not be produced, can wide popularization and application in dry distillation of coal industrialization, wide market.
2）, the present invention initiate be arranged in parallel in heated sealed room two so that destructive distillation room, and innovate the thing of destructive distillation room
Expect the spiral pusher mode under mode of communicating and parallel connection, substantially increase dry distillation efficiency, and it is dry to use raw coke oven gas burning to provide
Heat is evaporated, realizes recycling for energy.
3）, the present invention cracking gas collection device is set on destructive distillation chamber outer wall in heating chamber, cracking gas collecting chamber is set
Be placed in the top of destructive distillation room and lower destructive distillation room, can many places opening, oil gas caused by destructive distillation can discharge uniformly in time, lead to
Crossing reduces the discharge speed of carbonizing gas, improves carbonizing gas（Raw coke oven gas）The settling efficiency of middle dust, it is entirely avoided pass
System afterbody the problem of air accumulation amount is big when individually discharging gas, while reduce when being placed in destructive distillation room in heating chamber and heating chamber
Isolation requirement because oil gas caused by destructive distillation is collected in time from destructive distillation room side wall, destructive distillation room is filled up with spiral path in coal charge
On the premise of inside to a certain extent limit value oil gas from destructive distillation room end（Afterbody）The possibility to leak, so as to by dry
The isolation requirement for setting sealing brush to meet destructive distillation room and heating chamber between room port and rotary shaft is evaporated, ensure that operation peace
Entirely, and then dry distillation efficiency is improved.
4）, coal charge is based on indirectly heat destructive distillation, raw coke oven gas caused by destructive distillation in upper destructive distillation room and lower destructive distillation room in the present invention
Calorific value is high, and methane content is high, and the heat in heating chamber may be from destructive distillation used heat, improve heat utilization efficiency.Simultaneously can be according to need
The rear bearing support block of helix transporting device is arranged in heating chamber, improves the closure of heating chamber to greatest extent,
System architecture is simplified while the efficiency of heating surface is improved, improves system operation security.
5）, screw propulsion material external-heat dry distillation of coal device of the present invention passes through to connect on feeding warehouse and discharging bin and expects more
Cylinder series connection feed bin, raw coke oven gas is avoided under negative pressure or positive pressure operation in destructive distillation room from feed inlet and outlet leakage and oxygen from input and output material
The danger that mouth enters in destructive distillation room, avoid the possibility of pyrolytic process blast.
6）, screw propulsion material external-heat dry distillation of coal device of the present invention operating condition it is flexible, wherein upper destructive distillation room and
The pressure of lower destructive distillation room can carry out flexible modulation, raw coke oven gas flow velocity in destructive distillation room can be reduced by improving pressure, so as to have
Beneficial to the sedimentation of dust in raw coke oven gas；And destructive distillation room may operate in negative pressure or malleation destructive distillation condition；Can under positive pressure operation
The compression power consumption of raw coke oven gas following process is reduced, retorting time can be shortened under negative-pressure operation, improve the output capacity of tar, so as to
Device of the present invention has stronger industrialization amplification application prospect.
7）, the present invention resistant to elevated temperatures sealing brush or stuffing seal are used between destructive distillation room and helix transporting device,
Not stop sealing replacing can be realized, it is ensured that the macrocyclic stable operation of whole device.
It the above is only and the preferred embodiment of the present invention is described, technical scheme is not limited to
This, any known deformation that those skilled in the art are made on the basis of the major technique design of the present invention belongs to the present invention
Claimed technology category, the specific protection domain of the present invention are defined by the record of claims.
Claims (9)
- A kind of 1. screw propulsion material external-heat dry distillation of coal device, it is characterised in that including：Heating chamber（3）, destructive distillation room, spiral transferring Send device（9）, cracking gas collecting chamber（10）And drive device, the cracking gas collecting chamber（10）It is arranged on the destructive distillation room, And the cracking gas collecting chamber（10）Connected with the destructive distillation room, the heated portion of the destructive distillation room is in the heating chamber（3） It is interior, and the destructive distillation space of the destructive distillation room and the heating chamber（3）Heating space be isolated, formed with entering on the destructive distillation room Material mouth and discharging opening, the helix transporting device（9）It is arranged in the destructive distillation room, the drive device drives the spiral transferring Send device（9）Rotated in the destructive distillation room, the heating chamber（3）On offer fume emission mouth（15）；Also include cracking Gas collecting pipe（2）, the cracking gas collecting chamber（10）It is formed on the outer wall of the destructive distillation room, and the cracking gas collecting chamber （10）It is in the destructive distillation room in the heating chamber, and formation is outer between the outer wall of the destructive distillation room and the inwall of heating chamber Heat space, the cracking gas collecting pipe（2）One end be communicated in the cracking gas collecting chamber（10）, the cracking gas collecting pipe （2）The other end stretch out in the heating chamber（3）Outside.
- 2. screw propulsion material external-heat dry distillation of coal device according to claim 1, it is characterised in that also include fuel confession Answer room（16）And fuel supply pipe（17）, the fuel supply room（16）Pass through the fuel supply pipe（17）It is connected to institute State heating chamber（3）, and the heating chamber is in connection fuel supply pipe（17）Position be provided with igniter（12）, the heating Heated by way of fuel internally burns for the destructive distillation room room.
- 3. screw propulsion material external-heat dry distillation of coal device according to claim 1, it is characterised in that also include feeding warehouse （1）And discharging bin（6）, the charging aperture is opened up at the top of the destructive distillation room（20）, the feeding warehouse（1）One end be connected to institute State charging aperture（20）, the feeding warehouse（1）The other end stretch out in the heating chamber（3）Outside, the bottom of the destructive distillation room is opened If the discharging opening（22）, the discharging bin（6）One end be connected to the discharging opening（22）, the discharging bin（6）It is another End stretches out in the heating chamber（3）Outside.
- 4. the screw propulsion material external-heat dry distillation of coal device according to claim any one of 1-3, it is characterised in that described dry Evaporating room includes upper destructive distillation room（4）With lower destructive distillation room（5）, the upper destructive distillation room（4）With lower destructive distillation room（5）In the heating chamber simultaneously Row is set, and upper destructive distillation room（4）With lower destructive distillation room（5）Between pass through material connecting leg（13）It is interconnected, in upper destructive distillation room（4）With Lower destructive distillation room（5）Inside it is provided with the helix transporting device（9）, in upper destructive distillation room（4）With lower destructive distillation room（5）It is provided with outside The cracking gas collecting chamber（10）.
- 5. screw propulsion material external-heat dry distillation of coal device according to claim 4, it is characterised in that the upper destructive distillation room （4）With lower destructive distillation room（5）What is be parallel to each other in the heating chamber is arranged side by side, and upper destructive distillation room（4）Relative to lower destructive distillation room （5）Closer to the top surface of heating chamber, the upper destructive distillation room（4）Front top offer charging aperture, the lower destructive distillation upwards Room（4）Front bottom end offer discharging opening, the material connecting leg downwards（13）In upper destructive distillation room（4）With lower destructive distillation room（5）'s The upper destructive distillation room of rear end connection（4）With lower destructive distillation room（5）, the upper destructive distillation room（4）With lower destructive distillation room（5）Interior helix transporting device （9）Coal charge screw propulsion it is in opposite direction.
- 6. screw propulsion material external-heat dry distillation of coal device according to claim 5, it is characterised in that the upper destructive distillation room （4）With lower destructive distillation room（5）Penetrating cylinder-like structure is respectively provided with, at least one end of cylinder is fixed in heating chamber, described Upper destructive distillation room（4）With lower destructive distillation room（5）Cylinder side wall on be provided with connected entrance, the material connecting leg（13）Front and back end portses difference It is connected to destructive distillation room（4）With lower destructive distillation room（5）Connected entrance, and material connecting leg（13）Bottom surface simultaneously with upper destructive distillation room（4） With lower destructive distillation room（5）Cylinder bottom surface it is tangent.
- 7. the screw propulsion material external-heat dry distillation of coal device according to claim any one of 1-3, it is characterised in that also include There are bearing support block, the helix transporting device（9）Including rotary shaft（18）And helical blade（19）, the helical blade（19） The rotary shaft is arranged in destructive distillation chamber interior（18）On, and along rotary shaft（18）Helical duct axially is formed in destructive distillation room, The rotary shaft（18）Both ends stretch out in outside the destructive distillation room, and the rotary shaft（18）Both ends supported outside destructive distillation room In on the bearing support block, rotational sealing structure is formed between the both ends port of the destructive distillation room and the rotary shaft, it is described Drive device is connected in one end of the rotary shaft.
- 8. screw propulsion material external-heat dry distillation of coal device according to claim 7, it is characterised in that before the destructive distillation room Both ends are individually fixed in the rear and front end face of heating chamber afterwards, and the destructive distillation room and the junction of heating chamber form sealing structure, The rotary shaft（18）Both ends stretch out in outside the heating chamber, the bearing support block includes fore bearing support base（7）With Bearing support block afterwards（8）, the rotary shaft（18）Front end heating chamber front rolling support in the fore bearing support base （7）On, the rotary shaft（18）Rear end heating chamber rear rolling support after described bearing support block（8）On, it is described Drive device（11）It is connected in the rotary shaft（18）Rear end.
- 9. screw propulsion material external-heat dry distillation of coal device according to claim 7, it is characterised in that behind the destructive distillation room The rear end face of the heating chamber is fixed at end, and the destructive distillation room and the junction of heating chamber form sealing structure, the rotation Axle（18）The back-end ports of rear end from the destructive distillation room stretch out in outside the heating chamber, the bearing support block includes front axle Hold support base（7）With rear bearing support block（8）, the rotary shaft（18）Rear end heating chamber rear rolling support in described Bearing support block afterwards（8）On, the fore bearing support base（7）It is arranged at the heating chamber（3）Within, the rotary shaft（18）'s Front end in heating chamber rolling support in the fore bearing support base（7）On, the drive device（11）It is connected in described Rotary shaft（18）Rear end.
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| CN112159671B (en) * | 2020-08-31 | 2022-03-25 | 北京化工大学 | Two-stage differential single-screw cracking equipment for solid waste |
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| US20080149471A1 (en) * | 2006-12-26 | 2008-06-26 | Nucor Corporation | Pyrolyzer furnace apparatus and method for operation thereof |
| CN202284896U (en) * | 2011-11-01 | 2012-06-27 | 李德旗 | Externally-heating rotary furnace of three-channel retracing continuous production |
| CN104099111A (en) * | 2014-07-21 | 2014-10-15 | 武汉海德新能源投资有限公司 | Continuous and overall biomass pyrolysis furnace |
| CN205382124U (en) * | 2016-01-14 | 2016-07-13 | 王崇峰 | Outer hot type coal carbonization device of screw propulsion material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20080149471A1 (en) * | 2006-12-26 | 2008-06-26 | Nucor Corporation | Pyrolyzer furnace apparatus and method for operation thereof |
| CN202284896U (en) * | 2011-11-01 | 2012-06-27 | 李德旗 | Externally-heating rotary furnace of three-channel retracing continuous production |
| CN104099111A (en) * | 2014-07-21 | 2014-10-15 | 武汉海德新能源投资有限公司 | Continuous and overall biomass pyrolysis furnace |
| CN205382124U (en) * | 2016-01-14 | 2016-07-13 | 王崇峰 | Outer hot type coal carbonization device of screw propulsion material |
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