CN105542816A - Spiral propelling feeding external-heating coal dry distillation device - Google Patents

Spiral propelling feeding external-heating coal dry distillation device Download PDF

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CN105542816A
CN105542816A CN201610021665.XA CN201610021665A CN105542816A CN 105542816 A CN105542816 A CN 105542816A CN 201610021665 A CN201610021665 A CN 201610021665A CN 105542816 A CN105542816 A CN 105542816A
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destructive distillation
distillation room
heating chamber
room
coal
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CN105542816B (en
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王崇峰
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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • C10B53/04Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of powdered coal
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B21/00Heating of coke ovens with combustible gases
    • C10B21/02Heating of coke ovens with combustible gases with lean gas
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B31/00Charging devices
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B7/00Coke ovens with mechanical conveying means for the raw material inside the oven
    • C10B7/10Coke 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)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

The invention provides a spiral propelling feeding external-heating coal dry distillation device which comprises a heating chamber, dry distillation chambers, spiral conveying devices, a pyrolysis gas collecting chamber, bearing supporting bases, a feeding and discharging mechanism and a drive device. The pyrolysis gas collecting chamber is arranged on the dry distillation chambers and communicated with the dry distillation chambers, heated parts of the dry distillation chambers are located in the heating chamber, the feeding and discharging mechanism is connected with the dry distillation chambers, the spiral conveying devices are arranged in the dry distillation chambers, the ends of the spiral conveying devices are supported by the bearing supporting bases, the drive device is connected to the end of the spiral conveying devices, and a smoke exhaust port is formed in the heating chamber. Raw coal is pushed in a spiral propelling feeding mode in the coal dry distillation device for the first time, the dry distillation chambers are connected in parallel in the same closed heating chamber for dry distillation, the raw coal propelling problem and heating efficiency problem in the existing coal dry distillation technology are solved, and the coal dry distillation device has the unique advantages that coal heating is uniform in the dry distillation process, dry distillation time is short, heating efficiency is high, the tar yield is high, the raw coke oven gas heat value is high, dust content is low, and economic benefits are good.

Description

A kind of screw propulsion material external-heat dry distillation of coal device
Technical field
The present invention relates to dry distillation of coal technology, be specifically related to a kind of screw propulsion material external-heat dry distillation of coal device, belong to low-temperature pyrolysis technical field in fine coal.
Background technology
Fine coal retorting technique, also referred to as the pyrolysis of coal carbonization or coal, refers to that coal heats under the condition of isolated air, the burnt oil and gas inside coal is evaporated, obtain the process of tar, coal gas, blue charcoal.This technology resulted from for 19th century the earliest, originate from Germany, preparing coal tar is mainly used at the beginning of invention, also for the production of hard coke charcoal and fuel gas, because the energy conversion rate of this technology is very high, thought the third coal conversion technology arranged side by side with gasification, gelatin liquefaction both at home and abroad always, be also the developing direction of clean coal utilization, meet national energy policy.
Large-scale coalfield has been found continuously on the Inner Mongol of China, Xinjiang and other places.These coalfields, mainly based on high-volatile low-rank coal, account for coal resources in China reserves more than 50%.Brown coal wherein and the volatile constituent of long-flame coal account for more than 37% of raw coal dry weight, and in non-caking coal and weakly caking coal, volatile constituent accounts for 20% ~ 37% of raw coal dry weight.The reserves of these coals in coal resources in China are larger, have that moisture is large, thermal value is low, chemical reactivity is good, the inflammable feature such as frangible, be unfavorable for directly burning and transport, and the thermo-efficiency directly burnt is lower, greenhouse gas emissions are large, and carbonization is the good method of these inferior quality coals being carried out to upgrading.
The exploitation of domestic pyrolysis of coal novel process was also very active in recent years, also provided technical condition to the mass-producing of pyrolysis of coal, Poly-generation.Such as Zhejiang University just proposed the imagination of thermoelectricity gas multi-production process as far back as 1987, and applied for the national inventing patent (patent No. 92100505.2, circulating fluidized bed heat-power-gas-tar multi-joint-production apparatus is developed ", Dalian University of Technology is developing hot solid carrier devolatilization new technology in recent years always, has completed the laboratory experiments of multiple resinous shale, brown coal.But just current present situation in general, domestic coal carbonization industrialization is also in the starting stage, most employing upright square lump coal pyrolysis oven, also exists comparatively serious problem in retort process, the raw gas calorific value such as produced during destructive distillation is low, normal pressure or pressure-fired there is common problem.The dry distillation of coal technology that what the Present Domestic dry distillation of coal had industrial advantages is based on external-heat, namely coal carbonization process and heat-processed are separated, and the subject matter affecting external-heat dry distillation of coal efficiency is propulsion mode and the heating efficiency of wherein coal, in current external-heat dry distillation of coal equipment, raw coal propulsion mode adopts more is advance based on the gravity of upright furnace, crawler belt conveying advances, shaft rolls and advances etc., these raw coal propulsion modes have larger industrialization defect in actual use, as the gravity based on upright furnace advances and shaft rolling Push Technology, it is very large that the equipment volume being limited to gas retort can not be done, directly limit the pyrolysis output of coal, crawler belt conveying advances the complexity that then can cause device structure, the increase of sealing difficulty and the raising of equipment failure rate, therefore the raw coal propulsion mode ubiquity in existing pyrolysis of coal technology larger defect.In external-heat dry distillation of coal technology, improve heating efficiency is the key factor that it needs to consider always, generally heating efficiency in pyrolysis and coal propulsion mode is not taken into consideration in prior art.Therefore a kind of external-heat dry distillation of coal device is innovated for promoting that the pyrolysis industrialization of coal is significant.
Summary of the invention
The present invention is based on above-mentioned prior art problem, innovation proposes a kind of screw propulsion material external-heat dry distillation of coal device, the propelling adopting the mode of screw propulsion material to realize raw coal in dry distillation of coal device innovated first, and the multiple destructive distillation room of parallel connection of innovating in same closed heating chamber first, the raw coal efficiently solved in existing dry distillation of coal technology advances problem and heating efficiency problem, there is retort process coal be heated evenly, retorting time is short, heating efficiency is high, tar yield is high, raw gas calorific value is high, dustiness is low, the particular advantages such as economic return is good, whole dry distillation of coal device easily realizes simultaneously, simple to operate, the making requiring to carry out many sizes can be amplified according to industrialization, marketing has a extensive future.
It is as follows that the present invention solves the problems of the technologies described above taked technical scheme:
A kind of screw propulsion material external-heat dry distillation of coal device, comprise: heating chamber 3, destructive distillation room, helix transporting device 9, splitting gas collecting chamber 10 and drive unit, described splitting gas collecting chamber 10 is arranged on described destructive distillation room, and described splitting gas collecting chamber 10 is communicated with described destructive distillation room, the heated portion of described destructive distillation room is in described heating chamber 3, and the destructive distillation space of described destructive distillation room and the heating space of described heating chamber 3 are isolated, described destructive distillation room is formed with opening for feed and discharge port, it is indoor that described helix transporting device 9 is arranged at described destructive distillation, described drive unit drives described helix transporting device 9 in the indoor rotation of described destructive distillation, described heating chamber 3 offers fume emission mouth 15.
Further according to screw propulsion material external-heat dry distillation of coal device of the present invention, wherein also include splitting gas collection tube 2, described splitting gas collecting chamber 10 is formed on the outer wall of described destructive distillation room, and described splitting gas collecting chamber 10 is in described heating chamber with described destructive distillation room, and outer heat space is formed between the outer wall and the inwall of heating chamber of described destructive distillation room, one end of described splitting gas collection tube 2 is communicated in described splitting gas collecting chamber 10, and the other end of described splitting gas collection tube 2 stretches out in outside described heating chamber 3.
Further according to screw propulsion material external-heat dry distillation of coal device of the present invention, wherein also include supply of fuel room 16 and fuel supply pipe 17, described supply of fuel room 16 is connected to described heating chamber 3 by described fuel supply pipe 17, and described heating chamber is provided with lighter for ignition 12 connecting the position of fuel supply pipe 17, described heating chamber is the heating of described destructive distillation room by fuel in internally fired mode.
Further according to screw propulsion material external-heat dry distillation of coal device of the present invention, wherein also include feeding warehouse 1 and discharging bin 6, described opening for feed 20 is offered at the top of described destructive distillation room, one end of described feeding warehouse 1 is connected to described opening for feed 20, the other end of described feeding warehouse 1 stretches out in outside described heating chamber 3, described discharge port 22 is offered in the bottom of described destructive distillation room, one end of described discharging bin 6 is connected to described discharge port 22, and the other end of described discharging bin 6 stretches out in outside described heating chamber 3.
Further according to screw propulsion material external-heat dry distillation of coal device of the present invention, wherein said destructive distillation room comprises destructive distillation room 4 and lower destructive distillation room 5, described upper destructive distillation room 4 and lower destructive distillation room 5 are arranged side by side in described heating chamber, and be interconnected by material connecting leg 13 between upper destructive distillation room 4 and lower destructive distillation room 5, in upper destructive distillation room 4 and lower destructive distillation room 5, be provided with described helix transporting device 9, outside upper destructive distillation room 4 and lower destructive distillation room 5, be provided with described splitting gas collecting chamber 10.
Further according to screw propulsion material external-heat dry distillation of coal device of the present invention, what wherein said upper destructive distillation room 4 and lower destructive distillation room 5 were parallel to each other in described heating chamber is arranged side by side, and upper destructive distillation room 4 relative to lower destructive distillation room 5 more near the end face of heating chamber, the front top of described upper destructive distillation room 4 upwards offers opening for feed, the front bottom end of described lower destructive distillation room 4 offers discharge port downwards, described material connecting leg 13 is communicated with destructive distillation room 4 and lower destructive distillation room 5 in upper destructive distillation room 4 with the rear end of lower destructive distillation room 5, the coal charge screw propulsion direction of the helix transporting device 9 in described upper destructive distillation room 4 and lower destructive distillation room 5 is contrary.
Further according to screw propulsion material external-heat dry distillation of coal device of the present invention, wherein said upper destructive distillation room 4 and lower destructive distillation room 5 all have penetrating cylinder-like structure, at least one end winding support of cylinder is on heating chamber, the cylinder side wall of described upper destructive distillation room 4 and lower destructive distillation room 5 has connected entrance, the front and back end ports of described material connecting leg 13 is connected to the connected entrance of destructive distillation room 4 and lower destructive distillation room 5, and the bottom surface of material connecting leg 13 is simultaneously tangent with the cylinder bottom surface of 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 also include bearing support block, described helix transporting device 9 comprises rotation axis 18 and screw-blade 19, described screw-blade 19 is arranged on described rotation axis 18 in destructive distillation chamber interior, and along rotation axis 18 axially at the indoor formation helical channel of destructive distillation, the two ends of described rotation axis 18 stretch out in outside described destructive distillation room, and the two ends of described rotation axis 18 are supported on described bearing support block in destructive distillation outdoor, rotational sealing structure is formed between the two ends port of described destructive distillation room and described rotation axis, described drive unit is in transmission connection in one end of described rotation axis.
Further according to screw propulsion material external-heat dry distillation of coal device of the present invention, the rear and front end of wherein said destructive distillation room is individually fixed in the face, rear and front end of heating chamber, and the junction of described destructive distillation room and heating chamber forms sealed structure, the two ends of described rotation axis 18 stretch out in outside described heating chamber, described bearing support block comprises front bearing supporting seat 7 and rear bearing supporting seat 8, the front end of described rotation axis 18 at the front rolling support of heating chamber on described front bearing supporting seat 7, the rear end of described rotation axis 18 at the rear rolling support of heating chamber on described rear bearing supporting seat 8, described drive unit 11 is in transmission connection in the rear end of described rotation axis 18.
Further according to screw propulsion material external-heat dry distillation of coal device of the present invention, the aft end face of described heating chamber is fixed in the rear end of wherein said destructive distillation room, and the junction of described destructive distillation room and heating chamber forms sealed structure, the rear end of described rotation axis 18 stretches out in outside described heating chamber from the back-end ports of described destructive distillation room, described bearing support block comprises front bearing supporting seat 7 and rear bearing supporting seat 8, the rear end of described rotation axis 18 at the rear rolling support of heating chamber on described rear bearing supporting seat 8, described front bearing supporting seat 7 is arranged within described heating chamber 3, the front end of described rotation axis 18 in heating chamber rolling support on described front bearing supporting seat 7, described drive unit 11 is in transmission connection in the rear end of described rotation axis 18.
Technical scheme of the present invention has the original creation of following technology and technique effect:
1), the present invention introduces helix transporting device first and advances raw coal material in dry distillation of coal device, innovate raw coal propulsioning means, solve the problem of conventional upright stove restriction pyrolysis output, avoid conventional track and carry the problem that device structure is complicated, sealing difficulty is large, failure rate is high brought, effectively ensure that the slow propelling of raw coal material in destructive distillation and thermally equivalent, and can not dust from flying be produced, can wide popularization and application in fine coal destructive distillation industrialization, wide market.
2), the present invention initiates and be arranged in parallel plural destructive distillation room in the heating chamber of sealing, and the spiral pusher mode innovated under the material mode of communicating of destructive distillation room and parallel connection, substantially increase dry distillation efficiency, and adopt raw gas burning to provide destructive distillation heat, achieve the recycle of energy.
3), the destructive distillation chamber outer wall of the present invention in heating chamber arranges splitting gas collection device, splitting gas collecting chamber is arranged at the top of upper destructive distillation room and lower destructive distillation room, can many places opening, the oil gas produced during destructive distillation can be discharged in time uniformly, by reducing the discharge speed of carbonizing gas, improve the settling efficiency of dust in carbonizing gas (raw gas), completely avoid the problem that when traditional tail discharges separately gas, gas accumulation amount is large, and then improve dry distillation efficiency.Reduce when destructive distillation indoor are placed in heating chamber and the isolated requirement of heating chamber simultaneously, because the oil gas that destructive distillation produces is collected in time from destructive distillation room sidewall, the possibility to leak from end, destructive distillation room (afterbody) of limit value oil gas to a certain extent under the prerequisite that coal charge fills up destructive distillation chamber interior with spiral path, thus by arranging the isolated requirement sealing and brush and can meet destructive distillation room and heating chamber between destructive distillation room port and rotation axis, ensure that operating safety, and then improve dry distillation efficiency.
4), in the present invention upper destructive distillation room and the indoor coal charge of lower destructive distillation are based on indirect heating destructive distillation, and the raw gas calorific value that destructive distillation produces is high, and methane content is high, and the heat in heating chamber from destructive distillation used heat, can improve heat utilization efficiency.
5), screw propulsion material external-heat dry distillation of coal device of the present invention by being connected many barrels series connection feed bin on feeding warehouse with discharging bin, under avoiding negative pressure or positive pressure operation, the indoor raw gas of destructive distillation enters the danger of destructive distillation indoor from feed inlet and outlet leakage and oxygen from feed inlet and outlet, avoids the possibility of pyrolytic process blast.
6), the operational condition of screw propulsion material external-heat dry distillation of coal device of the present invention is flexible, the pressure wherein going up destructive distillation room and lower destructive distillation room can carry out flexible, the indoor raw gas flow velocity of destructive distillation can be reduced by improving pressure, thus be conducive to the sedimentation of dust in raw gas; And destructive distillation room can work in negative pressure or malleation destructive distillation condition; Can reduce the compression power consumption of raw gas following process under positive pressure operation, can retorting time be shortened under negative-pressure operation, improve the output capacity of tar, thus device of the present invention has stronger industrialization amplification application prospect.
7), the present invention adopt between destructive distillation room and helix transporting device resistant to elevated temperatures sealing brush or stuffing seal, can realize not stop sealing change, guarantee the macrocyclic steady running of whole device.
Accompanying drawing explanation
Accompanying drawing 1 is the cross-section front view of the screw propulsion material external-heat dry distillation of coal device of the present invention as the first preferred implementation;
Accompanying drawing 2 is the cross sectional plan view of the screw propulsion material external-heat dry distillation of coal device of the present invention as the first preferred implementation;
Accompanying drawing 3 is the cross sectional side view of the screw propulsion material external-heat dry distillation of coal device of the present invention as the first preferred implementation;
Accompanying drawing 4 is the cross-section front view of upper destructive distillation room in the screw propulsion material external-heat dry distillation of coal device of the present invention as the first preferred implementation;
Accompanying drawing 5 is the cross-section front view of lower destructive distillation room in the screw propulsion material external-heat dry distillation of coal device of the present invention as the first preferred implementation;
Accompanying drawing 6 is the structural representation in the screw propulsion material external-heat dry distillation of coal device of the present invention as the first preferred implementation, feeding warehouse being arranged many barrels series connection material loading magazine;
Accompanying drawing 7 is the structural representation in the screw propulsion material external-heat dry distillation of coal device of the present invention as the first preferred implementation, discharging bin being arranged many barrels series connection blanking magazine;
Accompanying drawing 8 is the cross-section front view of the screw propulsion material external-heat dry distillation of coal device of the present invention as the second preferred implementation;
Accompanying drawing 9 is the cross sectional plan view of the screw propulsion material external-heat dry distillation of coal device of the present invention as the second preferred implementation;
Accompanying drawing 10 is the cross-section front view of upper destructive distillation room in the screw propulsion material external-heat dry distillation of coal device of the present invention as the second preferred implementation;
Accompanying drawing 11 is the cross-section front view of lower destructive distillation room in the screw propulsion material external-heat dry distillation of coal device of the present invention as the second preferred implementation.
In figure, the implication of each Reference numeral is as follows:
1-feeding warehouse, 2-splitting gas collection tube, 3-heating chamber, the upper destructive distillation room of 4-, destructive distillation room under 5-, 6-discharging bin, 7-front bearing supporting seat, 8-rear bearing supporting seat, 9-helix transporting device, 10-splitting gas collecting chamber, 11-drive unit, 12-lighter for ignition, 13-material connecting leg, 14-diathermic wall, 15-fume emission mouth, 16-supply of fuel room, 17-fuel supply pipe, 18-rotation axis, 19-screw-blade, 20-opening for feed, 21-air outlet, 22-discharge port, 23-destructive distillation chamber outer wall, 24-many barrel series connection material loading magazine, 25-many barrel series connection blanking magazine.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in detail, to enable those skilled in the art understanding the present invention clearly, but does not therefore limit the scope of the invention.
Screw propulsion material external-heat dry distillation of coal device provided by the present invention adopts screw propulsion material and external heating mode to carry out coal carbonization, and whole device comprises heating chamber, destructive distillation room, helix transporting device, splitting gas collecting chamber, bearing support block, feeding warehouse, splitting gas collection tube, discharging bin, drive unit, lighter for ignition and fuel supply device.The reaction compartment of dry distillation reactor is carried out in described destructive distillation room as coal, the materials such as semicoke, coalite tar, coal gas are generated in the indoor coal decomposes of destructive distillation, destructive distillation room connects feeding warehouse and discharging bin, raw coal is provided to input by feeding warehouse to destructive distillation indoor, by discharging bin, the solid products such as the semicoke of coal after the indoor destructive distillation of destructive distillation are exported, described helix transporting device is arranged at destructive distillation indoor, realize the spiral promotion of feed coal in retort process by helix transporting device in destructive distillation indoor, and make coal thermally equivalent in screw propulsion process; Described splitting gas collecting chamber is close to destructive distillation chamber outer wall and is arranged, and is communicated with destructive distillation room, for collecting the gaseous substance (coal tar, coal gas etc.) that the indoor dry distillation of coal of destructive distillation produces in time, and is exported to outside heating chamber by splitting gas collection tube.Described destructive distillation room and splitting gas collecting chamber are all arranged in heating chamber, and be tightly connected into enclosed construction between described destructive distillation room and heating chamber, fuel supply device is export-oriented heating chamber supply fuel (oxygen+inflammable gas) of heating chamber, and the lighter for ignition through arranging in heating chamber burns after lighting in heating chamber, the heat smoke that burning produces heats destructive distillation chamber outer wall, indirectly the coal of destructive distillation indoor is heated by thermal conduction, the necessary thermal source of the dry distillation of coal is provided.Described helix transporting device by bearings seat supports, and is in transmission connection with drive unit, rotates, realize the screw propulsion of raw coal under the gearing of drive unit.
Screw propulsion material external-heat dry distillation of coal device of the present invention has multiple preferred embodiment in the category of above-mentioned technical conceive; provide two preferred embodiments below; but the present invention is not limited thereto, the improvement of any known property that those skilled in the art carry out on innovation thinking basis of the present invention all belongs to protection category of the present invention.
first preferred implementation
Concrete composition structure and the working process thereof of the first preferred implementation of screw propulsion material external-heat dry distillation of coal device of the present invention is provided below in conjunction with accompanying drawing 1 to accompanying drawing 7.The external-heat of screw propulsion material described in this embodiment dry distillation of coal device preferably includes two destructive distillation rooms, and the present invention has innovated position relationship between two destructive distillation rooms and material transfer mode further, but the present invention is not limited thereto, those skilled in the art can arrange the destructive distillation room of more than three on innovation thinking basis of the present invention, and this all belongs within technology category of the present invention.As shown in Figures 1 and 2, preferred described screw propulsion material external-heat dry distillation of coal device comprises feeding warehouse 1, splitting gas collection tube 2, heating chamber 3, upper destructive distillation room 4, lower destructive distillation room 5, discharging bin 6, front bearing supporting seat 7, rear bearing supporting seat 8, helix transporting device 9, splitting gas collecting chamber 10, drive unit 11, lighter for ignition 12, material connecting leg 13, fume emission mouth 15, supply of fuel room 16 and fuel supply pipe 17.Described heating chamber 3 is as the heat exchange space of whole dry distillation of coal device, thermal insulation material is adopted to be formed as heat-seal space structure, preferred as shown in accompanying drawing 1 and 3, be formed as rectangular parallelepiped space structure, six sides of rectangular parallelepiped all adopt diathermic wall 14 to form, the front/rear end of described heating chamber and end face, bottom surface offer the opening passed for rotation axis and associated pipe, but form Hermetical connecting structure between the diathermic wall of heating chamber and rotation axis and associated pipe, ensure the adiabatic sealing property of whole heating chamber 3.Described upper destructive distillation room 4 is close with lower destructive distillation room 5 structure, and be all arranged in described heating chamber 3, simultaneously 3 to accompanying drawing 5 by reference to the accompanying drawings, between the front/rear end being fixed in heating chamber side by side that described upper destructive distillation room 4 and lower destructive distillation room 5 are transversely parallel to each other in heating chamber, and upper destructive distillation room 4 relative to lower destructive distillation room 5 vertically closer to the end face of heating chamber, described 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 rearward end of cylinder is sealingly fastened in the aft end face of heating chamber, and closed heat exchange space is formed between the outer side wall and heating chamber inner-wall surface of cylinder.On the sidewall of front end, upwards opening for feed 20 is formed with in upper destructive distillation room 4, described opening for feed 20 is sealedly connected with feeding warehouse 1, the end face of described heating chamber offers the opening passed for feeding warehouse 1, and be tightly connected between the end face of described heating chamber and described feeding warehouse, thus it is indoor raw coal material can be provided to from heating chamber upper destructive distillation by described feeding warehouse.On the sidewall of front end, discharge port 22 is formed with downwards in described lower destructive distillation room 5, described discharge port 22 is sealedly connected with discharging bin 6, the bottom surface of described heating chamber offers the opening passed for discharging bin 6, and be tightly connected between the bottom surface of described heating chamber and described discharging bin, thus the destructive distillation product of destructive distillation indoor can be sent to outside heating chamber by described discharging bin.Be interconnected by material connecting leg 13 between described upper destructive distillation room 4 and lower destructive distillation room 5, concrete 1 to accompanying drawing by reference to the accompanying drawings 3, described material connecting leg 13 is connected between the sidewall of destructive distillation room 4 and lower destructive distillation room 5 near upper destructive distillation room 4 and rear end, lower destructive distillation room 5, in the sidewall upper shed of upper destructive distillation room 4 and lower destructive distillation room 5 rearward end, wedge structure penetrating before and after described material connecting leg 13 has, front and rear open end is sealedly attached to the opening on destructive distillation room 4 and lower destructive distillation room 5 sidewall respectively, preferably as shown in Figure 3, the bottom surface of described material connecting leg 13 is simultaneously tangent with the bottom cylindrical face of upper destructive distillation room 4 and lower destructive distillation room 5, the end face of described material connecting leg 13 is connected to the position of cylindrical surface corresponding to horizontal diameter of the destructive distillation chamber outer wall 23 of destructive distillation room 4 and lower destructive distillation room 5, the two side of described material connecting leg 13 is vertically connected at the cylindrical side of upper destructive distillation room 4 and lower destructive distillation room 5.Described material connecting leg 13 is sealedly attached to destructive distillation room 4 and lower destructive distillation room 5, is realizing therebetween while material transferring, the stopping property in guarantee between destructive distillation room 4 and lower destructive distillation room 5.The coal in upper destructive distillation room 4 is made to be sent to lower destructive distillation from its bottom cylindrical face by described material connecting leg 13 indoor, achieve the continuous transmission of material when being arranged side by side upper and lower destructive distillation room, under this innovation thinking category of the present invention, when arranging multiple destructive distillation room, also by each destructive distillation room to shift to install up and down, and between each destructive distillation room, material communicating passage can be set with bottom surface tangential manner.Splitting gas collecting chamber 10 is provided with outside described upper destructive distillation room 4 and lower destructive distillation room 5, described splitting gas collecting chamber 10 is arranged along the cylindrical outer wall surface of destructive distillation room, and be in the top on cylindrical surface, as shown in Figure 3, described splitting gas collecting chamber 10 is preferably at the rectangular parallelepiped chamber structure that top, destructive distillation room extends along destructive distillation chamber axial direction, the end face of splitting gas collecting chamber, end face and side adopt two dimensional structure, and the cylindrical outer wall face of destructive distillation room is as the bottom surface of splitting gas collecting chamber; Or described splitting gas collecting chamber is be formed at the annular cavity type cell structure on cylindrical outer wall surface, destructive distillation room, the end face of splitting gas collecting chamber, side are two dimensional structure, the cylindrical outer wall face of destructive distillation room is as the bottom surface of splitting gas collecting chamber, and the end face of splitting gas collecting chamber is the arc coaxial with cylindrical outer wall face, destructive distillation room.Described splitting gas collecting chamber is communicated with destructive distillation room, the end face of splitting gas collecting chamber is sealedly connected with splitting gas collection tube 2, described splitting gas collection tube 2 protrudes upward outside heating chamber 3, and form Hermetical connecting structure between described splitting gas collection tube 2 and heating chamber, thus the oil gas that the coal of upper destructive distillation room 4 and inside, lower destructive distillation room 5 produces after high temperature carbonization is collected via the splitting gas collecting chamber that upper destructive distillation room 4 and lower destructive distillation room 5 are arranged, and further export to outside heating chamber 3 via splitting gas collection tube 2, realize the extraction of destructive distillation oil gas.Structural shape and the large I thereof of described splitting gas collecting chamber are determined according to oil and gas content, but said structure is optimum structure.Described splitting gas collection tube 2 can be provided with many along splitting gas collecting chamber as required, and the splitting gas collecting chamber as above outside destructive distillation room 4 and lower destructive distillation room 5 can arrange two splitting gas collection tubes respectively.Described splitting gas collecting chamber is integrally formed or is welded on destructive distillation room, ensure that and to be connected with the high sealing between destructive distillation room, stopped splitting gas and leaked to possibility in heating chamber, splitting gas collecting chamber and destructive distillation room are in together in heating chamber and ensure that the oil gas that destructive distillation produces can be derived in a gaseous form smoothly simultaneously.
Be provided with helix transporting device 9 in described upper destructive distillation room 4 and lower destructive distillation room 5, realize the movement of the indoor raw coal material of upper and lower destructive distillation in retort process by described helix transporting device 9.The screw-blade 19 that described helix transporting device 9 comprises rotation axis 18 and is fixedly installed on rotation axis 18, described screw-blade 19 forms helical channel along the length of described rotation axis, and preferred described screw-blade can adopt entity spiral face, belt type spiral face, blade screw face or profile of tooth helicoidal surface structure.Described helix transporting device 9 is at upper and lower destructive distillation indoor location and make the gap leaving 2-5 millimeter between the inwall of the outward flange of screw-blade 19 and destructive distillation room, and this gap is the innovation gap size that applicant stablizes propelling through the long-term Test Summary coal charge that can either ensure to realize destructive distillation room out, screw-blade can be prevented stuck again when spiral pusher mechanism being applied to pyrolysis of coal field.Described screw-blade 19 is only arranged on described rotation axis 18 in described destructive distillation chamber interior, and the two ends of described rotation axis 18 stretch out in outside described destructive distillation room.The front-end and back-end of concrete described rotation axis 18 stretch out in outside heating chamber respectively from the two ends of destructive distillation room, and the front end of rotation axis 18 at heating chamber front rolling support on front bearing supporting seat 7, the rear end of rotation axis 18 is at heating chamber rear rolling support on rear bearing supporting seat 8, and the rotation that described front bearing supporting seat 7 and rear bearing supporting seat 8 are rotation axis provides bearings.Rotational sealing structure is formed between described rotation axis 18 and the rear and front end of destructive distillation room; the rear and front end port of concrete upper destructive distillation room 4 and rotational sealing structure is set respectively through rotation axis therebetween; the rear and front end port of lower destructive distillation room 5 and also rotational sealing structure is set respectively through rotation axis therebetween; described rotational sealing structure forms high sealing structure to destructive distillation chamber interior while guarantee rotation axis can freely rotate, and preferred described rotational sealing structure can adopt resistant to elevated temperatures sealing to brush or other not stop sealing replacing mechanisms.The rear end of described rotation axis 18 is connected to drive unit 11, the rear end of preferred rotation axis is in transmission connection in the output revolving shaft of drive unit 11 by feed belt, thus drive rotation axis in the indoor rotation of destructive distillation by drive unit, and then screw-blade on drive rotation axis rotates, the coal charge that the rotation of screw-blade then promotes destructive distillation indoor advances along spiral path.The upper destructive distillation room be arranged side by side in the present invention and the rotation axis of lower destructive distillation indoor can separately or synchronization control, and on rotation axis, the hand of spiral of screw-blade can be arranged in the same way or oppositely.When the hand of spiral of the screw-blade on the indoor rotation axis of upper and lower destructive distillation is identical, in control, the turning direction of the rotation axis of destructive distillation indoor is contrary with the turning direction of the rotation axis of lower destructive distillation indoor, when the hand of spiral of the screw-blade on the indoor rotation axis of upper and lower destructive distillation is contrary, control the synchronous rotating in same direction of rotation axis of upper and lower destructive distillation indoor, to ensure that coal charge is after the feeding warehouse of upper destructive distillation room front top enters upper destructive distillation indoor, be advanced into the rear end of destructive distillation room backward along spiral path under the rotary action of its rotation axis, then lower destructive distillation room is entered by material connecting leg 13, the front end to lower destructive distillation room is pushed ahead along spiral path again under the rotary action of the indoor rotation axis of lower destructive distillation, and the discharging bin from front end, lower destructive distillation room is discharged, achieve the steady conveying of material.
Described heating chamber 3 is that external heat is carried out in inner destructive distillation room by the mode of fuel combustion, the bottom surface of preferred described heating chamber is to being externally connected with fuel supply pipe 17, described fuel supply pipe 17 is connected to supply of fuel room 16 outward further at heating chamber, described supply of fuel room 16 provides fuel by described fuel supply pipe 17 in described heating chamber, the position that described heating chamber 3 inherence connects fuel supply pipe 17 is provided with lighter for ignition 12, like this from supply of fuel room 16 fuel through the entering in heating chamber of fuel supply pipe 17 time, burn in heating chamber under the ignition action of lighter for ignition, thus provide thermal source for destructive distillation room.Raw gas and oxygen are provided to heating chamber by preferred supply of fuel room 16, both in heating chamber after mixing heat transfer space through igniting between diathermic wall 14 and destructive distillation chamber outer wall burn, described raw gas can derive from the gaseous product after empyreumatic oil gas disposal, the heat smoke utilizing burning to produce provides heat for destructive distillation room, realizes resource circulation utilization.Can connect in bottom of heating chamber many places as required and fuel supply pipe 17 is set and set-point firearm.Also other temperature can be adopted to be greater than 800 DEG C of thermals source.The end face of described heating chamber is provided with at least one fume emission mouth 15, thus is discharged in time by the flue gas after heating chamber combustion, combustion product gases flows from bottom to top in heating chamber, ensure that the heating efficiency to destructive distillation room.Preferably a fume emission mouth 15 is set near heating chamber front end of the top surface, to make combustion product gases can stay longer in heating chamber, ensures heating efficiency.
Further for prevent screw propulsion material external-heat dry distillation of coal device of the present invention under negative pressure or positive pressure operation on raw gas in destructive distillation room 4 and lower destructive distillation room 5 from opening for feed, discharge port leaks and oxygen (air) is entered in destructive distillation room up and down danger, can be preferred as shown in accompanying drawing 6 and accompanying drawing 7 further, the feeding warehouse 1 that upper destructive distillation room connects connects many barrels series connection material loading magazine 24, the discharging bin 6 that lower destructive distillation room connects connects many barrels series connection blanking magazine 25, realizes continuously feeding and discharging.Concrete when needs charging, open the top feed bin feed valve of many barrels series connection material loading magazine 24, close feed bin segregaion valve in the middle part of it, the bottom feed bin of at this moment many barrels series connection material loading magazine 24 and the isolation of top feed bin, can ensure that bottom feed bin is on request to feeding warehouse 1 feed while the feed bin material loading of top, after top feed bin feed supplement puts in place, close top feed bin feed valve, open middle part feed bin segregaion valve, upper and lower feed bin is connected as a single entity, top bunker raw material enters bottom feed bin under gravity, and at this moment bottom feed bin still can continue on request to feeding warehouse 1 feed.Contrary methodology is adopted during discharging bin 6 discharging in like manner descending destructive distillation room to connect, ensure that the raw gas gone up in destructive distillation room 4 and lower destructive distillation room 5 at input and output material can not leak from opening for feed and discharge port therebetween, oxygen also can not enter to upper and lower destructive distillation indoor by opening for feed and discharge port simultaneously, further increases equipment safety in operation.
The process adopting screw propulsion material external-heat dry distillation of coal device of the present invention to carry out fine coal destructive distillation is: raw gas, the fuel such as oxygen are provided to also ignition in heating chamber, it is indoor that the feeding warehouse of raw material fine coal through front end, upper destructive distillation room is provided to upper destructive distillation, and under the pushing effect of the indoor helix transporting device of upper destructive distillation, flow to the rear end of destructive distillation room from right to left, then lower destructive distillation room is entered by material connecting leg, and under the pushing effect of the indoor helix transporting device of lower destructive distillation, again flow to the front end of lower destructive distillation room from left to right, the fine coal heat that uniform pickup heating chamber transmits in the movable process of upper and lower destructive distillation indoor, and carry out carbonization decomposition reaction, the gaseous substance produced is collected through splitting gas collecting chamber, and outwards carried by splitting gas collection tube, the discharging bin of the solid-state slag charge produced through front end, lower destructive distillation room is discharged, complete powder coal carbonization.
second preferred implementation
Concrete composition structure and the working process thereof of the second preferred implementation of screw propulsion material external-heat dry distillation of coal device of the present invention is provided below in conjunction with accompanying drawing 8 to accompanying drawing 11.As shown in accompanying drawing 8 to accompanying drawing 11, second preferred implementation of screw propulsion material external-heat dry distillation of coal device of the present invention and the difference of above-mentioned first preferred implementation are only, in the second preferred implementation, described front bearing supporting seat 7 is arranged at the inside of heating chamber 3, concrete upper destructive distillation room 4 and the cylinder back-end sealing of lower destructive distillation room 5 are fixed on the aft end face of heating chamber, the cylinder front end of upper destructive distillation room 4 and lower destructive distillation room 5 is in heating chamber, and the front end of the rotation axis 18 of the helix transporting device of destructive distillation indoor stretches out in outside cylinder front end up and down, but still be within heating chamber, the front end of rotation axis 18 at front, the destructive distillation room rolling support of heating chamber on front bearing supporting seat 7, described front bearing supporting seat 7 is arranged in heating chamber.The rear end of described rotation axis 18 then stretches out in outside described destructive distillation room and heating chamber, and at heating chamber rear rolling support on rear bearing supporting seat 8.Rotational sealing structure is formed between the rear and front end of rotation axis 18 and destructive distillation room, especially destructive distillation room front-end port and through rotation axis therebetween, resistant to elevated temperatures rotational sealing structure is set, this rotational sealing structure can ensure to reach destructive distillation seal request between destructive distillation room and heating chamber under the hot environment of heating chamber, freely rotating of rotation axis can be provided simultaneously, preferred described rotational sealing structure can adopt resistant to elevated temperatures sealing to brush or other refractory seals mechanisms, this rotary seal mechanism is existing in this area to be widely used, and does not again describe.In addition identical all with above-mentioned first preferred implementation of other constitutional featuress and concrete working process, in this no longer repeated description.In this second preferred implementation, be arranged at completely in heating chamber by this helix transporting device by upper destructive distillation room and lower destructive distillation room and inside thereof, improve the stopping property of heating chamber to greatest extent, reduce the thermosteresis of heating chamber, improve destructive distillation heating efficiency.
Screw propulsion material external-heat dry distillation of coal device of the present invention be applicant through the long-term innovation Test Summary system that can be good at being applied to low-temperature pyrolysis in external-heat fine coal out, there is following technological innovation feature:
1), the present invention introduces helix transporting device first and advances raw coal material in dry distillation of coal device, innovate fine coal propulsioning means, solve the problem of conventional upright stove restriction pyrolysis output, avoid conventional track and carry the problem that device structure is complicated, sealing difficulty is large, failure rate is high brought, effectively ensure that the slow propelling of fine coal material in destructive distillation and thermally equivalent, and can not dust from flying be produced, can wide popularization and application in dry distillation of coal industrialization, wide market.
2), the present invention initiates and is arranged in parallel two with the destructive distillation room made in heated sealed indoor, and the spiral pusher mode innovated under the material mode of communicating of destructive distillation room and parallel connection, substantially increase dry distillation efficiency, and adopt raw gas burning to provide destructive distillation heat, achieve the recycle of energy.
3), the destructive distillation chamber outer wall of the present invention in heating chamber arranges splitting gas collection device, splitting gas collecting chamber is arranged at the top of upper destructive distillation room and lower destructive distillation room, can many places opening, the oil gas produced during destructive distillation can be discharged in time uniformly, by reducing the discharge speed of carbonizing gas, improve the settling efficiency of dust in carbonizing gas (raw gas), completely avoid the problem that when traditional tail discharges separately gas, gas accumulation amount is large, reduce when destructive distillation indoor are placed in heating chamber and the isolated requirement of heating chamber simultaneously, because the oil gas that destructive distillation produces is collected in time from destructive distillation room sidewall, the possibility to leak from end, destructive distillation room (afterbody) of limit value oil gas to a certain extent under the prerequisite that coal charge fills up destructive distillation chamber interior with spiral path, thus by arranging the isolated requirement sealing and brush and can meet destructive distillation room and heating chamber between destructive distillation room port and rotation axis, ensure that operating safety, and then improve dry distillation efficiency.
4), in the present invention upper destructive distillation room and the indoor coal charge of lower destructive distillation are based on indirect heating destructive distillation, and the raw gas calorific value that destructive distillation produces is high, and methane content is high, and the heat in heating chamber from destructive distillation used heat, can improve heat utilization efficiency.Can as required the rear bearing supporting seat of helix transporting device be arranged in heating chamber simultaneously, improve the closure of heating chamber to greatest extent, while raising heating efficiency, simplify system architecture, improve system cloud gray model security.
5), screw propulsion material external-heat dry distillation of coal device of the present invention by being connected many barrels series connection feed bin on feeding warehouse with discharging bin, under avoiding negative pressure or positive pressure operation, the indoor raw gas of destructive distillation enters the danger of destructive distillation indoor from feed inlet and outlet leakage and oxygen from feed inlet and outlet, avoids the possibility of pyrolytic process blast.
6), the operational condition of screw propulsion material external-heat dry distillation of coal device of the present invention is flexible, the pressure wherein going up destructive distillation room and lower destructive distillation room can carry out flexible, the indoor raw gas flow velocity of destructive distillation can be reduced by improving pressure, thus be conducive to the sedimentation of dust in raw gas; And destructive distillation room can work in negative pressure or malleation destructive distillation condition; Can reduce the compression power consumption of raw gas following process under positive pressure operation, can retorting time be shortened under negative-pressure operation, improve the output capacity of tar, thus device of the present invention has stronger industrialization amplification application prospect.
7), the present invention adopt between destructive distillation room and helix transporting device resistant to elevated temperatures sealing brush or stuffing seal, can realize not stop sealing change, guarantee the macrocyclic steady running of whole device.
Below be only that the preferred embodiment of the present invention is described; technical scheme of the present invention is not limited to this; the any known distortion that those skilled in the art do on the basis that major technique of the present invention is conceived all belongs to the claimed technology category of the present invention, and the concrete protection domain of the present invention is as the criterion with the record of claims.

Claims (10)

1. a screw propulsion material external-heat dry distillation of coal device, it is characterized in that, comprise: heating chamber (3), destructive distillation room, helix transporting device (9), splitting gas collecting chamber (10) and drive unit, described splitting gas collecting chamber (10) is arranged on described destructive distillation room, and described splitting gas collecting chamber (10) is communicated with described destructive distillation room, the heated portion of described destructive distillation room is in described heating chamber (3), and the heating space of the destructive distillation space of described destructive distillation room and described heating chamber (3) is isolated, described destructive distillation room is formed with opening for feed and discharge port, it is indoor that described helix transporting device (9) is arranged at described destructive distillation, described drive unit drives described helix transporting device (9) in the indoor rotation of described destructive distillation, described heating chamber (3) offers fume emission mouth (15).
2. screw propulsion material external-heat dry distillation of coal device according to claim 1, it is characterized in that, also include splitting gas collection tube (2), described splitting gas collecting chamber (10) is formed on the outer wall of described destructive distillation room, and described splitting gas collecting chamber (10) and described destructive distillation room are in described heating chamber, and outer heat space is formed between the outer wall and the inwall of heating chamber of described destructive distillation room, one end of described splitting gas collection tube (2) is communicated in described splitting gas collecting chamber (10), the other end of described splitting gas collection tube (2) stretches out in outside described heating chamber (3).
3. screw propulsion material external-heat dry distillation of coal device according to claim 2, it is characterized in that, also include supply of fuel room (16) and fuel supply pipe (17), described supply of fuel room (16) is connected to described heating chamber (3) by described fuel supply pipe (17), and described heating chamber connect fuel supply pipe (17) position be provided with lighter for ignition (12), described heating chamber by fuel internally fired mode be described destructive distillation room heating.
4. screw propulsion material external-heat dry distillation of coal device according to claim 2, it is characterized in that, also include feeding warehouse (1) and discharging bin (6), described opening for feed (20) is offered at the top of described destructive distillation room, one end of described feeding warehouse (1) is connected to described opening for feed (20), the other end of described feeding warehouse (1) stretches out in outside described heating chamber (3), described discharge port (22) is offered in the bottom of described destructive distillation room, one end of described discharging bin (6) is connected to described discharge port (22), the other end of described discharging bin (6) stretches out in outside described heating chamber (3).
5. the screw propulsion material external-heat dry distillation of coal device according to any one of claim 2-4, it is characterized in that, described destructive distillation room comprises destructive distillation room (4) and lower destructive distillation room (5), described upper destructive distillation room (4) and lower destructive distillation room (5) are arranged side by side in described heating chamber, and be interconnected by material connecting leg (13) between upper destructive distillation room (4) and lower destructive distillation room (5), described helix transporting device (9) is provided with in upper destructive distillation room (4) and lower destructive distillation room (5), described splitting gas collecting chamber (10) is provided with outside upper destructive distillation room (4) and lower destructive distillation room (5).
6. screw propulsion material external-heat dry distillation of coal device according to claim 5, it is characterized in that, what described upper destructive distillation room (4) and lower destructive distillation room (5) were parallel to each other in described heating chamber is arranged side by side, and upper destructive distillation room (4) relative to lower destructive distillation room (5) more near the end face of heating chamber, the front top of described upper destructive distillation room (4) upwards offers opening for feed, the front bottom end of described lower destructive distillation room (4) offers discharge port downwards, described material connecting leg (13) is communicated with destructive distillation room (4) and lower destructive distillation room (5) upper destructive distillation room (4) with the rear end of lower destructive distillation room (5), the coal charge screw propulsion direction of the helix transporting device (9) in described upper destructive distillation room (4) and lower destructive distillation room (5) is contrary.
7. screw propulsion material external-heat dry distillation of coal device according to claim 6, it is characterized in that, described upper destructive distillation room (4) and lower destructive distillation room (5) all have penetrating cylinder-like structure, at least one end winding support of cylinder is on heating chamber, the cylinder side wall of described upper destructive distillation room (4) and lower destructive distillation room (5) has connected entrance, the front and back end ports of described material connecting leg (13) is connected to the connected entrance of destructive distillation room (4) and lower destructive distillation room (5), and the bottom surface of material connecting leg (13) is simultaneously tangent with the cylinder bottom surface of upper destructive distillation room (4) and lower destructive distillation room (5).
8. the screw propulsion material external-heat dry distillation of coal device according to any one of claim 1-7, it is characterized in that, also include bearing support block, described helix transporting device (9) comprises rotation axis (18) and screw-blade (19), described screw-blade (19) is arranged on described rotation axis (18) in destructive distillation chamber interior, and along rotation axis (18) axially at the indoor formation helical channel of destructive distillation, the two ends of described rotation axis (18) stretch out in outside described destructive distillation room, and the two ends of described rotation axis (18) are supported on described bearing support block in destructive distillation outdoor, rotational sealing structure is formed between the two ends port of described destructive distillation room and described rotation axis, described drive unit is in transmission connection in one end of described rotation axis.
9. screw propulsion material external-heat dry distillation of coal device according to claim 8, it is characterized in that, the rear and front end of described destructive distillation room is individually fixed in the face, rear and front end of heating chamber, and the junction of described destructive distillation room and heating chamber forms sealed structure, the two ends of described rotation axis (18) stretch out in outside described heating chamber, described bearing support block comprises front bearing supporting seat (7) and rear bearing supporting seat (8), the front end of described rotation axis (18) at the front rolling support of heating chamber on described front bearing supporting seat (7), the rear end of described rotation axis (18) at the rear rolling support of heating chamber on described rear bearing supporting seat (8), described drive unit (11) is in transmission connection in the rear end of described rotation axis (18).
10. screw propulsion material external-heat dry distillation of coal device according to claim 8, it is characterized in that, the aft end face of described heating chamber is fixed in the rear end of described destructive distillation room, and the junction of described destructive distillation room and heating chamber forms sealed structure, the rear end of described rotation axis (18) stretches out in outside described heating chamber from the back-end ports of described destructive distillation room, described bearing support block comprises front bearing supporting seat (7) and rear bearing supporting seat (8), the rear end of described rotation axis (18) at the rear rolling support of heating chamber on described rear bearing supporting seat (8), described front bearing supporting seat (7) is arranged within described heating chamber (3), the front end of described rotation axis (18) in heating chamber rolling support on described front bearing supporting seat (7), described drive unit (11) is in transmission connection in the rear end of described rotation axis (18).
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109251755A (en) * 2018-08-16 2019-01-22 内蒙古万众炜业科技环保股份公司 External heat type rotary furnace is used in a kind of production of semi-coke
CN112159671A (en) * 2020-08-31 2021-01-01 北京化工大学 Two-stage differential single-screw cracking equipment for solid waste

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109251755A (en) * 2018-08-16 2019-01-22 内蒙古万众炜业科技环保股份公司 External heat type rotary furnace is used in a kind of production of semi-coke
CN112159671A (en) * 2020-08-31 2021-01-01 北京化工大学 Two-stage differential single-screw cracking equipment for solid waste

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