CN205382124U - Outer hot type coal carbonization device of screw propulsion material - Google Patents
Outer hot type coal carbonization device of screw propulsion material Download PDFInfo
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- CN205382124U CN205382124U CN201620031599.XU CN201620031599U CN205382124U CN 205382124 U CN205382124 U CN 205382124U CN 201620031599 U CN201620031599 U CN 201620031599U CN 205382124 U CN205382124 U CN 205382124U
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- dry distilling
- distilling room
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model provides an outer hot type coal carbonization device of screw propulsion material, collect room, bearing supporting seat, advance discharge mechanism and drive arrangement including heating chamber, retort house, spiral delivery mechanism, cracking gas, the cracking gas collect that the room sets up in retort house on and with the retort house intercommunication, retort house's the part of being heated is advanced discharge mechanism and is connected retort house in being in the heating chamber, spiral delivery mechanism sets up in retort house and the tip passes through the support of bearing supporting seat, drive arrangement connects in spiral delivery mechanism's tip, has seted up the fume emission mouth on the heating chamber. The utility model discloses the propulsion to the raw coal is realized to the screw propulsion material of initiating that utilizes in the coal carbonization device, and parallelly connected a plurality of retort house carry out the dry distillation in same confined heating chamber, and the raw coal of having solved in the current coal carbonization technique impels problem and heating efficiency problem, has unique advantages such as the retort process coal is heated evenly, the dry distillation time is short, heating efficiency is high, the tar yield high, the raw coke oven gas calorific value is high, the dustiness is low, economic profit is good.
Description
Technical field
This utility model relates to dry distillation of coal technology, is specifically related to a kind of screw propulsion material external-heat dry distillation of coal device, belongs to low temperature distillation 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 is heated when completely cutting off air, the burnt oil and gas inside coal is evaporated, obtains the process of tar, coal gas, semi-coke.This technology resulted from for 19th century the earliest, originate from Germany, preparing coal tar it is mainly used at the beginning of utility model, it is also used for producing hard coke charcoal and fuel gas, owing to the energy conversion rate of this technology is significantly high, thought the third coal conversion technology arranged side by side with coal gasification, coal liquefaction both at home and abroad always, be also the developing direction of clean coal utilization, meet national energy policy.
Large-scale coalfield it is found that continuously on the Inner Mongol of China, Xinjiang and other places.These coalfields mainly based on high volatile low-order coal, account for coal resources in China reserves more than 50%.The volatile component of brown coal therein and jet coal accounts for more than the 37% of raw coal dry weight, dross coal and in weakly caking coal volatile component account for the 20%～37% of raw coal dry weight.These coals reserves in coal resources in China are bigger, have that moisture is big, caloric value is low, chemical reactivity is good, the inflammable feature such as frangible, it is unfavorable for directly burning and transport, and the thermal efficiency that directly burns is relatively low, greenhouse gas emissions are big, and carbonization is the good method that these lower quality coal carry out upgrading.
The exploitation of domestic pyrolysis of coal new technology was also very active in recent years, provided technical condition also to the scale 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 china national practical new-type 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 technique in recent years always, has completed the laboratory experiments of multiple oil shale, brown coal.But with regard to current present situation in general, domestic coal carbonization industrialization is also in the starting stage, mostly adopt upright square lump coal pyrolysis oven, retort process also exists comparatively serious problem, for instance the raw coke oven gas calorific value produced during dry distilling is low, normal pressure or pressure-fired are to there is common problem.nullThe Present Domestic dry distillation of coal has the dry distillation of coal technology being based on external-heat of industrial advantages，Namely coal carbonization process and heating process are separated，And the subject matter affecting external-heat dry distillation of coal efficiency is propulsion mode and the efficiency of heating surface of wherein coal，In current external-heat dry distillation of coal equipment, raw coal propulsion mode adopts the more gravity being based on upright furnace to advance、Crawler belt conveying advances、Shaft rolls propelling etc.，These raw coal propulsion modes have bigger industrialization defect in actual use，As advanced based on the gravity of upright furnace and shaft rolling Push Technology，What be limited to that the equipment volume of gas retort can not do is very big，Directly limit the pyrolysis yield 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 bigger defect.External-heat dry distillation of coal technology improves the efficiency of heating surface and is always up its key factor needing to consider, the efficiency of heating surface in pyrolysis and coal propulsion mode are not generally taken into consideration by prior art.Therefore a kind of external-heat dry distillation of coal device is innovated significant for the pyrolysis industrialization promoting coal.
Utility model content
This utility model is based on above-mentioned prior art problem, innovation proposes a kind of screw propulsion material external-heat dry distillation of coal device, the mode of screw propulsion material that adopts in dry distillation of coal device innovated first realizes the propelling to raw coal, and first in the multiple dry distilling room of parallel connection of the indoor innovation of the heating of same closing, efficiently solve the raw coal in existing dry distillation of coal technology and advance problem and efficiency of heating surface problem, there is retort process coal be 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, the particular advantages such as economic well-being of workers and staff 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.
The technical scheme that the above-mentioned technical problem of this utility model solution is taked is as follows:
A kind of screw propulsion material external-heat dry distillation of coal device, including: add hot cell 3, dry distilling room, helix transporting device 9, cracking gas collecting chamber 10 and driving device, described cracking gas collecting chamber 10 is arranged on described dry distilling room, and described cracking gas collecting chamber 10 connects with described dry distilling room, the heated portion of described dry distilling room adds in hot cell 3 described in being in, and the dry distilling space of described dry distilling room is isolated with the described heat space that adds adding hot cell 3, described dry distilling room is formed with charging aperture and discharging opening, it is indoor that described helix transporting device 9 is arranged at described dry distilling, described driving device drives described helix transporting device 9 in described dry distilling indoor rotation, described adding, offers fume emission mouth 15 on hot cell 3.
Further according to screw propulsion material external-heat dry distillation of coal device described in the utility model, wherein also include cracking gas collecting pipe 2, described cracking gas collecting chamber 10 is formed on the outer wall of described dry distilling room, and described cracking gas collecting chamber 10 and described dry distilling room are in described heating indoor, and between outer wall and the inwall adding hot cell of described dry distilling room, form outer heat space, one end of described cracking gas collecting pipe 2 is communicated in described cracking gas collecting chamber 10, the other end of described cracking gas collecting pipe 2 stretch out in described in add outside hot cell 3.
Further according to screw propulsion material external-heat dry distillation of coal device described in the utility model, wherein also include fuel Supply House 16 and fuel supply pipe 17, described fuel Supply House 16 by described fuel supply pipe 17 be connected to described in add hot cell 3, and described in add hot cell connect fuel supply pipe 17 position be provided with lighter 12, described in add hot cell by fuel internally fired mode be described dry distilling room heat.
Further according to screw propulsion material external-heat dry distillation of coal device described in the utility model, wherein also include feeding warehouse 1 and discharging bin 6, described charging aperture 20 is offered at the top of described dry distilling room, one end of described feeding warehouse 1 is connected to described charging aperture 20, the other end of described feeding warehouse 1 adds outside hot cell 3 described in stretching out in, described discharging opening 22 is offered in the bottom of described dry distilling room, one end of described discharging bin 6 is connected to described discharging opening 22, the other end of described discharging bin 6 stretch out in described in add outside hot cell 3.
Further according to screw propulsion material external-heat dry distillation of coal device described in the utility model, wherein said dry distilling room includes dry distilling room 4 and lower dry distilling room 5, described upper dry distilling room 4 and lower dry distilling room 5 are arranged side by side in described heating indoor, and be interconnected by material connecting leg 13 between upper dry distilling room 4 and lower dry distilling room 5, in upper dry distilling room 4 and lower dry distilling room 5, it is provided with described helix transporting device 9, outside upper dry distilling room 4 and lower dry distilling room 5, is provided with described cracking gas collecting chamber 10.
Further according to screw propulsion material external-heat dry distillation of coal device described in the utility model, wherein said upper dry distilling room 4 and lower dry distilling room 5 are being arranged side by side that described heating indoor are parallel to each other, and upper dry distilling room 4 relative to lower dry distilling room 5 closer to the end face adding hot cell, the front top of described upper dry distilling room 4 upwards offers charging aperture, the front bottom end of described lower dry distilling room 4 offers downwards discharging opening, described material connecting leg 13 connects dry distilling room 4 and lower dry distilling room 5 in upper dry distilling room 4 with the rear end of lower dry distilling room 5, the coal charge screw propulsion of the helix transporting device 9 in described upper dry distilling room 4 and lower dry distilling room 5 is in opposite direction.
Further according to screw propulsion material external-heat dry distillation of coal device described in the utility model, wherein said upper dry distilling room 4 and lower dry distilling room 5 are respectively provided with cylinder-like structure, at least one end of cylinder is fixed on and is added on hot cell, the cylinder side wall of described upper dry distilling room 4 and lower dry distilling room 5 has connected entrance, the front and back end ports of described material connecting leg 13 is connected to dry distilling room 4 and the connected entrance of lower dry distilling room 5, and the bottom surface of material connecting leg 13 is simultaneously tangent with the cylinder bottom surface of upper dry distilling room 4 and lower dry distilling room 5.
Further according to screw propulsion material external-heat dry distillation of coal device described in the utility model, wherein also include bearing support block, described helix transporting device 9 includes rotating axle 18 and helical blade 19, described helical blade 19 is arranged on described rotation axle 18 in dry distilling chamber interior, and along rotating axle 18 axially at dry distilling indoor formation helical duct, the two ends of described rotation axle 18 stretch out in outside described dry distilling room, and the two ends of described rotation axle 18 are supported on described bearing support block in dry distilling outdoor, rotational sealing structure is formed between two ends port and the described rotation axle of described dry distilling room, described driving device is in transmission connection in one end of described rotation axle.
Further according to screw propulsion material external-heat dry distillation of coal device described in the utility model, the rear and front end of wherein said dry distilling room is individually fixed in the face, rear and front end adding hot cell, and described dry distilling room is formed with the junction adding hot cell and seals structure, the two ends of described rotation axle 18 add outside hot cell described in stretching out in, described bearing support block includes fore bearing supporting seat 7 and rear bearing supporting seat 8, the front end of described rotation axle 18 is adding the front rolling support in hot cell on described fore bearing supporting seat 7, the rear end of described rotation axle 18 is adding the rear rolling support in hot cell on described rear bearing supporting seat 8, described driving device 11 is in transmission connection in the rear end of described rotation axle 18.
Further according to screw propulsion material external-heat dry distillation of coal device described in the utility model, the rear end of wherein said dry distilling room adds the rear end face in hot cell described in being fixed on, and described dry distilling room is formed with the junction adding hot cell and seals structure, the rear end of described rotation axle 18 from the back-end ports of described dry distilling room stretch out in described in add hot cell outside, described bearing support block includes fore bearing supporting seat 7 and rear bearing supporting seat 8, the rear end of described rotation axle 18 is adding the rear rolling support in hot cell on described rear bearing supporting seat 8, described fore bearing supporting seat 7 adds within hot cell 3 described in being arranged at, indoor rolling support is being heated on described fore bearing supporting seat 7 in the front end of described rotation axle 18, described driving device 11 is in transmission connection in the rear end of described rotation axle 18.
The technical solution of the utility model has techniques below original creation and technique effect:
1), this utility model introduces helix transporting device first in dry distillation of coal device and advances raw coal material, innovate raw coal propulsioning means, the problem solving conventional upright stove restriction pyrolysis yield, avoid the problem that device structure is complicated, sealing difficulty is big, fault rate is high that conventional track conveying brings, it is effectively ensured raw coal material being slowly advanced and thermally equivalent in dry distilling, and dust from flying will not be produced, can wide popularization and application in fine coal dry distilling industrialization, wide market.
2), the heating indoor that this utility model is initiated sealing are arranged in parallel plural dry distilling room, and innovate the spiral pusher mode under the material mode of communicating of dry distilling room and parallel connection, substantially increase dry distillation efficiency, and adopt raw coke oven gas burning to provide dry distilling heat, it is achieved that recycling of energy.
null3)、This utility model arranges cracking gas collection device on the dry distilling chamber outer wall that heating is indoor，Cracking gas collecting chamber is arranged at the top of upper dry distilling room and lower dry distilling room，Can many places opening，The oil gas produced during dry distilling can be discharged in time uniformly，By reducing the discharge speed of carbonizing gas，Improve the settling efficiency of dust in carbonizing gas (raw coke oven gas)，Completely avoid traditional tail and individually discharge the problem that during gas, gas aggregate amount is big，Reduce simultaneously dry distilling indoor be placed in heating indoor time with the isolation requirement adding hot cell，Because the oil gas that dry distilling produces is collected in time from dry distilling room sidewall，The probability that limit value oil gas leaks from end, dry distilling room (afterbody) to a certain extent under the premise that coal charge fills up dry distilling chamber interior with spiral path，And then improve dry distillation efficiency，Ensure that operation safety，And then improve dry distillation efficiency.
4), upper dry distilling room and lower dry distilling indoor coal charge are based on indirectly heating dry distilling in this utility model, and the raw coke oven gas calorific value that dry distilling produces is high, and methane content is high, and the indoor heat of heating may be from dry distilling used heat, improves heat utilization efficiency.As required the rear bearing supporting seat of helix transporting device can be arranged at heating indoor simultaneously, improve the closure adding hot cell to greatest extent, while improving the efficiency of heating surface, simplify system structure, improve system safety in operation.
5), screw propulsion material external-heat dry distillation of coal device described in the utility model by connecting many barrels series connection feed bin on feeding warehouse and discharging bin, avoid dry distilling indoor raw coke oven gas under negative pressure or positive pressure operation and enter, from feed inlet and outlet, the danger that dry distilling is indoor from feed inlet and outlet leakage and oxygen, it is to avoid the probability of pyrolytic process blast.
6), the operating condition of screw propulsion material external-heat dry distillation of coal device described in the utility model is flexible, the pressure wherein going up dry distilling room and lower dry distilling room can carry out flexible, dry distilling indoor raw coke oven gas flow velocity can be reduced, thus being conducive to the sedimentation of dust in raw coke oven gas by improving pressure；And dry distilling room may operate in negative pressure or malleation dry distilling condition；The compression power consumption of raw coke oven gas following process can be reduced under positive pressure operation, retorting time can be shortened under negative-pressure operation, improve the output capacity of tar, thus device described in the utility model has stronger industrialization and amplifies application prospect.
7), this utility model adopts resistant to elevated temperatures sealing to brush or stuffing seal between dry distilling room and helix transporting device, it is possible to realizes not stop sealing and changes, it is ensured that the macrocyclic stable operation 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 described in the utility model 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 described in the utility model 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 described in the utility model as the first preferred implementation；
Accompanying drawing 4 is the cross-section front view as dry distilling room upper in the screw propulsion material external-heat dry distillation of coal device described in the utility model of the first preferred implementation；
Accompanying drawing 5 is the cross-section front view as dry distilling room lower in the screw propulsion material external-heat dry distillation of coal device described in the utility model of the first preferred implementation；
Accompanying drawing 6 is as the structural representation arranging many barrels series connection feeding magazine on feeding warehouse in the screw propulsion material external-heat dry distillation of coal device described in the utility model of the first preferred implementation；
Accompanying drawing 7 is as the structural representation arranging many barrels series connection blanking magazine on discharging bin in the screw propulsion material external-heat dry distillation of coal device described in the utility model of the first preferred implementation；
Accompanying drawing 8 is the cross-section front view of the screw propulsion material external-heat dry distillation of coal device described in the utility model 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 described in the utility model as the second preferred implementation；
Accompanying drawing 10 is the cross-section front view as dry distilling room upper in the screw propulsion material external-heat dry distillation of coal device described in the utility model of the second preferred implementation；
Accompanying drawing 11 is the cross-section front view as dry distilling room lower in the screw propulsion material external-heat dry distillation of coal device described in the utility model of the second preferred implementation.
In figure, the implication of each accompanying drawing labelling is as follows:
1-feeding warehouse, 2-cracking gas collecting pipe, 3-adds hot cell, the upper dry distilling room of 4-, dry distilling room under 5-, 6-discharging bin, 7-fore bearing supporting seat, 8-rear bearing supporting seat, 9-helix transporting device, 10-cracking gas collecting chamber, 11-driving device, 12-lighter, 13-material connecting leg, 14-adiabatic wall, 15-fume emission mouth, 16-fuel Supply House, 17-fuel supply pipe, 18-rotates axle, 19-helical blade, 20-charging aperture, 21-gas outlet, 22-discharging opening, 23-dry distilling chamber outer wall, the many barrel series connection feeding magazines of 24-, the many barrel series connection blanking magazines of 25-.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in detail, so that those skilled in the art can be more clearly understood from this utility model, but and is not so limited protection domain of the present utility model.
Screw propulsion material external-heat dry distillation of coal device provided by the utility model adopts screw propulsion material and external heating mode to carry out coal carbonization, and whole device includes adding hot cell, dry distilling room, helix transporting device, cracking gas collecting chamber, bearing support block, feeding warehouse, cracking gas collecting pipe, discharging bin, driving device, lighter and fuel supply device.Described dry distilling room carries out the reaction compartment of dry distillation reactor as coal, the materials such as semicoke, coalite tar, coal gas are generated in dry distilling indoor coal decomposes, dry distilling room connects feeding warehouse and discharging bin, inputted to dry distilling indoor offer raw coal by feeding warehouse, by discharging bin by solid product outputs such as coal semicokes after the dry distilling of dry distilling indoor, described helix transporting device is arranged at dry distilling indoor, realize feed coal spiral promotion in retort process in dry distilling indoor by helix transporting device, and make coal thermally equivalent in screw propulsion process；Described cracking gas collecting chamber is close to dry distilling chamber outer wall and is arranged, and connects with dry distilling room, for collecting the gaseous material (coal tar, coal gas etc.) that the dry distillation of coal of dry distilling indoor produces in time, and is derived to heating outdoor by cracking gas collecting pipe.Described dry distilling room and cracking gas collecting chamber may be contained within heating indoor, and described dry distilling room and add and be tightly connected into enclosed construction between hot cell, fuel supply device is outdoor to adding hot cell supply fuel (oxygen+fuel gas) in heating, and the lighter of heated indoor setting light after burn in heating indoor, dry distilling chamber outer wall is heated by the heat smoke that burning produces, indirectly the coal that dry distilling is indoor is heated by conduction of heat, it is provided that the necessary thermal source of the dry distillation of coal.Described helix transporting device passes through bearings seat supports, and is in transmission connection with driving device, rotates, it is achieved the screw propulsion of raw coal under the gearing of driving device.
Screw propulsion material external-heat dry distillation of coal device described in the utility model has multiple preferred embodiment in the category that above-mentioned technology is conceived; two preferred embodiments are given below; but this utility model is not limited thereto, the improvement of any known property that those skilled in the art carry out on this utility model innovation thinking basis broadly falls into protection category of the present utility model.
First preferred implementation
Particular make-up structure and the work process thereof of the first preferred implementation of screw propulsion material external-heat dry distillation of coal device described in the utility model is provided below in conjunction with accompanying drawing 1 to accompanying drawing 7.The dry distillation of coal device of screw propulsion material external-heat described in this embodiment preferably includes two dry distilling rooms, and this utility model innovated the position relationship between two dry distilling rooms and material transfer mode further, but this utility model is not limited thereto, those skilled in the art can arrange the dry distilling room of more than three on innovation thinking basis of the present utility model, and this broadly falls within technology category of the present utility model.As shown in Figures 1 and 2, it is preferred that described screw propulsion material external-heat dry distillation of coal device includes feeding warehouse 1, cracking gas collecting pipe 2, adds hot cell 3, upper dry distilling room 4, lower dry distilling room 5, discharging bin 6, fore bearing supporting seat 7, rear bearing supporting seat 8, helix transporting device 9, cracking gas collecting chamber 10, driving device 11, lighter 12, material connecting leg 13, fume emission mouth 15, fuel Supply House 16 and fuel supply pipe 17.Described adds the heat exchange space as whole dry distillation of coal device, the hot cell 3, adiabator 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 cuboid all adopt adiabatic wall 14 to constitute, the described front/rear end adding hot cell and end face, bottom surface offer for the opening rotating axle and associated pipe traverse, but add the adiabatic wall in hot cell and rotate formation Hermetical connecting structure between axle and associated pipe, it is ensured that the whole adiabatic sealing property adding hot cell 3.Described upper dry distilling room 4 and lower dry distilling room 5 structure are close, and add in hot cell 3 described in may be contained within, in combination with accompanying drawing 3 to accompanying drawing 5, described upper dry distilling room 4 and lower dry distilling room 5 are fixed in side by side between the front/rear end adding hot cell what heating indoor were transversely parallel to each other, and upper dry distilling room 4 relative to lower dry distilling room 5 vertically closer to the end face adding hot cell, described upper dry distilling room 4 and lower dry distilling room 5 preferably have penetrating cylinder-like structure, and the leading section of cylinder is sealingly fastened in the front end face adding hot cell, the rearward end of cylinder is sealingly fastened in the rear end face adding hot cell, and between the indoor wall in the lateral wall of cylinder and heating, form the heat exchange space of closing.On the sidewall of front end, charging aperture 20 it has been upwardly formed in upper dry distilling room 4, described charging aperture 20 is sealedly connected with feeding warehouse 1, the described end face adding hot cell offers the opening for feeding warehouse 1 traverse, and described in add and be tightly connected between the end face in hot cell and described feeding warehouse, can be indoor from the heating supreme dry distilling of outdoor offer by raw coal material thereby through described feeding warehouse.On the sidewall of front end, discharging opening 22 it is formed with downwards in described lower dry distilling room 5, described discharging opening 22 is sealedly connected with discharging bin 6, the described bottom surface adding hot cell offers the opening for discharging bin 6 traverse, and described in add and be tightly connected between the bottom surface in hot cell and described discharging bin, thereby through described discharging bin, the dry distilling product that dry distilling is indoor can be sent to heating outdoor.nullIt is interconnected by material connecting leg 13 between described upper dry distilling room 4 and lower dry distilling room 5，Concrete in conjunction with accompanying drawing 1 to accompanying drawing 3，Described material connecting leg 13 is connected between the sidewall of dry distilling room 4 and lower dry distilling room 5 near upper dry distilling room 4 and rear end, lower dry distilling room 5，Sidewall upper shed in upper dry distilling room 4 and lower dry distilling room 5 rearward end，Described material connecting leg 13 has the wedge structure that front and back are penetrating，Front and rear open end is sealedly attached to the opening on dry distilling room 4 and lower dry distilling 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 dry distilling room 4 and lower dry distilling room 5，The end face of described material connecting leg 13 is connected to the position corresponding to horizontal diameter, the face of cylinder of the dry distilling chamber outer wall 23 of dry distilling room 4 and lower dry distilling room 5，The two side of described material connecting leg 13 is vertically connected at upper dry distilling room 4 and the cylindrical side of lower dry distilling room 5.Described material connecting leg 13 is sealedly attached to dry distilling room 4 and lower dry distilling room 5, is realizing therebetween while material transferring, it is ensured that upper sealing between dry distilling room 4 and lower dry distilling room 5.The coal in upper dry distilling room 4 is made to be sent to lower dry distilling 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 dry distilling room, under this innovation thinking category of the present utility model, when arranging multiple dry distilling room, also by each dry distilling room to shift to install up and down, and between each dry distilling room, material communicating passage can be set with bottom surface tangential manner.It is provided with cracking gas collecting chamber 10 outside described upper dry distilling room 4 and lower dry distilling room 5, described cracking gas collecting chamber 10 is along the cylindrical outer wall surface configuration of dry distilling room, and it is in the top on the face of cylinder, as shown in Figure 3, the cuboid chamber structure that described cracking gas collecting chamber 10 preferably extends along dry distilling chamber axial direction in dry distilling ceiling portion, the end face of cracking gas collecting chamber, end face and side adopt planar structure, and the cylindrical outer wall face of dry distilling room is as the bottom surface of cracking gas collecting chamber；Or described cracking gas collecting chamber is the annular cavity type cell structure being formed on cylindrical outer wall surface, dry distilling room, the end face of cracking gas collecting chamber, side are planar structure, the cylindrical outer wall face of dry distilling room is as the bottom surface of cracking gas collecting chamber, and the end face of cracking gas collecting chamber is the arcwall face coaxial with cylindrical outer wall face, dry distilling room.Described cracking gas collecting chamber connects with dry distilling room, the end face of cracking gas collecting chamber is sealedly connected with cracking gas collecting pipe 2, described cracking gas collecting pipe 2 protrudes upward outside adding hot cell 3, and described cracking gas collecting pipe 2 and add formation Hermetical connecting structure between hot cell, thus the oil gas that the coal within upper dry distilling room 4 and lower dry distilling room 5 produces after high-temperature retorting is collected via the cracking gas collecting chamber arranged on upper dry distilling room 4 and lower dry distilling room 5, and further export to outside adding hot cell 3 via cracking gas collecting pipe 2, it is achieved the extraction of dry distilling oil gas.Planform and the big I thereof of described cracking gas collecting chamber are determined according to oil and gas content, but said structure is optimum structure.Described cracking gas collecting pipe 2 can be provided with many along cracking gas collecting chamber as required, and as above the cracking gas collecting chamber outside dry distilling room 4 and lower dry distilling room 5 can be respectively provided with two cracking gas collecting pipes.Described cracking gas collecting chamber is integrally formed or is welded on dry distilling room, ensure that and be connected with the high sealing between dry distilling room, having stopped cracking gas and leaked to the probability that heating is indoor, cracking gas collecting chamber and dry distilling room are in heating indoor together and ensure that the oil gas that dry distilling produces can be derived in a gaseous form smoothly simultaneously.
It is provided with helix transporting device 9 in described upper dry distilling room 4 and lower dry distilling room 5, realizes the movement in retort process of the upper and lower dry distilling indoor raw coal material by described helix transporting device 9.Described helix transporting device 9 includes rotating axle 18 and being fixedly installed on the helical blade 19 rotated on axle 18, described helical blade 19 forms helical duct along the length of described rotation axle, it is preferred that described helical blade can adopt entity spiral face, belt type spiral face, blade screw face or profile of tooth helicoid structure.Described helix transporting device 9 is at upper and lower dry distilling indoor location and makes to leave between the outward flange of helical blade 19 and the inwall of dry distilling room the gap of 2-5 millimeter, this gap be applicant when spiral pusher mechanism is applied to pyrolysis of coal field through long-term Test Summary out can either ensure that the coal charge realizing dry distilling room stably advances, is prevented from again the innovation gap size that helical blade is stuck.Described helical blade 19 is only arranged on described rotation axle 18 in described dry distilling chamber interior, and the two ends of described rotation axle 18 stretch out in outside described dry distilling room.The front-end and back-end of concrete described rotation axle 18 stretch out in heating outdoor respectively from the two ends of dry distilling room, and the front end rotating axle 18 is adding front, hot cell rolling support on fore bearing supporting seat 7, the rear end rotating axle 18 is adding rear, hot cell rolling support on rear bearing supporting seat 8, and described fore bearing supporting seat 7 and rear bearing supporting seat 8 provide bearings for the rotation rotating axle.Rotational sealing structure is formed between described rotation axle 18 and the rear and front end of dry distilling room; it is respectively provided with rotational sealing structure between rear and front end port and the rotation axle therebetween through of concrete upper dry distilling room 4; also rotational sealing structure it is respectively provided with between rear and front end port and the rotation axle therebetween through of lower dry distilling room 5; described rotational sealing structure ensure rotate axle can freely rotatable while to dry distilling chamber interior formed high sealing structure, it is preferred that described rotational sealing structure can adopt resistant to elevated temperatures seal brush or other not stop sealing change mechanism.The rear end of described rotation axle 18 is connected to driving device 11, the preferred rear end rotating axle is in transmission connection in the output revolving shaft of driving device 11 by feed belt, drive thereby through driving device and rotate axle in the rotation of dry distilling indoor, and then driving the helical blade rotated on axle to rotate, the coal charge that the rotation of helical blade then promotes dry distilling indoor advances along spiral path.The indoor rotation axle of the upper dry distilling room being arranged side by side in this utility model and lower dry distilling can individually or Synchronization Control, and on rotation axle, the hand of spiral of helical blade can in the same direction or oppositely arranged.When the hand of spiral of the helical blade on upper and lower dry distilling indoor rotation axle is identical, the rotation direction of the rotation axle that the rotation direction rotating axle that in control, dry distilling is indoor is indoor with lower dry distilling is contrary, when the hand of spiral of the helical blade on upper and lower dry distilling indoor rotation axle is contrary, control the indoor rotation axle of upper and lower dry distilling and synchronize rotating in same direction, to ensure that coal charge enters behind upper dry distilling indoor from the feeding warehouse of upper dry distilling room front top, the rear end being advanced into dry distilling room under the rotary action of axle along spiral path backward is rotated at it, then pass through material connecting leg 13 and enter lower dry distilling room, the front end to lower dry distilling room is pushed ahead along spiral path again under the rotary action of lower dry distilling indoor rotation axle, and the discharging bin discharge from front end, lower dry distilling room, achieve the steady conveying of material.
The described hot cell 3 that adds carries out external heat by the dry distilling room that the mode of fuel combustion is internal, the bottom surface in hot cell is added to being externally connected with fuel supply pipe 17 described in preferred, described fuel supply pipe 17 is further connected to fuel Supply House 16 in heating outdoor, described fuel Supply House 16 heats indoor offer fuel by described fuel supply pipe 17 to described, the described inherent position connecting fuel supply pipe 17, hot cell 3 that adds is provided with lighter 12, so from fuel Supply House 16 fuel when the entrance of fuel supply pipe 17 is heated indoor, burn in heating indoor under the ignition action of lighter, thus providing thermal source for dry distilling room.Raw coke oven gas and oxygen are provided to adding hot cell by preferred fuel Supply House 16, after the indoor mixing of heating, through igniting, heat transfer space between adiabatic wall 14 and dry distilling chamber outer wall burns for both, described raw coke oven gas can derive from the gaseous product after empyreumatic oil gas disposal, the heat smoke that burning produces is utilized to provide heat for dry distilling room, it is achieved resource circulation utilization.Can connect as needed in bottom of heating chamber many places and fuel supply pipe 17 set-point firearm are set.Also other temperature can be adopted more than 800 DEG C of thermals source.The described end face adding hot cell is provided with at least one fume emission mouth 15, thus being discharged in time by the flue gas after heating Indoor Combustion, combustion product gases flows from bottom to top in heating indoor, it is ensured that the efficiency of heating surface to dry distilling room.Preferred it is arranged around a fume emission mouth 15 at heating room front end of the top surface, so that combustion product gases can stay longer in heating indoor, it is ensured that the efficiency of heating surface.
Further for prevent screw propulsion material external-heat dry distillation of coal device described in the utility model under negative pressure or positive pressure operation on raw coke oven gas in dry distilling room 4 and lower dry distilling room 5 from charging aperture, discharging opening leakage and up and down dry distilling room enter the danger of oxygen (air), can it is preferred that as shown in accompanying drawing 6 and accompanying drawing 7, the feeding warehouse 1 that upper dry distilling room connects connects many barrels series connection feeding magazine 24, the discharging bin 6 that lower dry distilling room connects connects many barrels series connection blanking magazine 25, it is achieved continuous feed and discharging.Concrete when needs charging, open the top feed bin inlet valve of many barrels series connection feeding magazine 24, close feed bin isolating valve in the middle part of it, the bottom feed bin of at this moment many barrels series connection feeding 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 feeding of top, after top feed bin feed supplement puts in place, close top feed bin inlet valve, open middle part feed bin isolating 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 remains to continue on request to feeding warehouse 1 feed.In like manner descend and adopt contrary maneuver during discharging bin 6 discharging that dry distilling room connects, ensure that the raw coke oven gas going up in dry distilling room 4 and lower dry distilling room 5 at input and output material therebetween will not leak from charging aperture and discharging opening, oxygen is indoor without being entered to upper and lower dry distilling by charging aperture and discharging opening simultaneously, further increases equipment safety in operation.
nullThe process that screw propulsion material external-heat dry distillation of coal device described in the utility model carries out fine coal dry distilling is adopted to be: raw coke oven gas、The fuel such as oxygen provide and ignition indoor to heating，The raw material fine coal feeding warehouse through front end, upper dry distilling room provides supreme dry distilling indoor，And under the impetus of upper dry distilling indoor helix transporting device, flow to the rear end of dry distilling room from right to left，Then pass through material connecting leg and enter lower dry distilling room，And under the impetus of lower dry distilling indoor helix transporting device, again flow to the front end of lower dry distilling room from left to right，Fine coal uniform pickup in the movable process that upper and lower dry distilling is indoor adds the heat of hot cell transmission，And carry out carbonization decomposition reaction，The gaseous material produced is collected through cracking gas collecting chamber，And outwards carried by cracking gas collecting pipe，The solid-state slag charge the produced discharging bin through front end, lower dry distilling room is discharged，Complete powder coal carbonization.
Second preferred implementation
Particular make-up structure and the work process thereof of the second preferred implementation of screw propulsion material external-heat dry distillation of coal device described in the utility model 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 described in the utility model differs only in above-mentioned first preferred implementation, in the second preferred implementation, described fore bearing supporting seat 7 is arranged at the inside adding hot cell 3, concrete upper dry distilling room 4 and the cylinder back-end sealing of lower dry distilling room 5 are fixed on the rear end face adding hot cell, the cylinder front end of upper dry distilling room 4 and lower dry distilling room 5 is in heating chamber, and the front end rotating axle 18 of the helix transporting device that dry distilling is indoor up and down stretches out in outside cylinder front end, but within heating room, rotate the front end of axle 18 at front, the dry distilling room rolling support of heating chamber on fore bearing supporting seat 7, described fore bearing supporting seat 7 is arranged at heating indoor.The rear end of described rotation axle 18 then stretches out in described dry distilling room and adds outside hot cell, and is adding rear, hot cell rolling support on rear bearing supporting seat 8.Rotate and between axle 18 and the rear and front end of dry distilling room, form rotational sealing structure, especially between front-end port and the rotation axle therebetween through of dry distilling room, resistant to elevated temperatures rotational sealing structure is set, this rotational sealing structure can ensure dry distilling room under the hot environment adding hot cell and add and reach dry distilling seal request between hot cell, can provide simultaneously and rotate the freely rotatable of axle, 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 is again not described.In addition other architectural features and concrete work process are all identical with above-mentioned first preferred implementation, are not repeated at this to describe.In this second preferred implementation, completely set up in heating indoor by this helix transporting device by upper dry distilling room and lower dry distilling room and inside thereof, improve the sealing adding hot cell to greatest extent, reduce the heat loss adding hot cell, improve the dry distilling efficiency of heating surface.
Screw propulsion material external-heat dry distillation of coal device described in the utility model is applicant is applied in external-heat fine coal the system of low temperature distillation through long-term innovation Test Summary can be good at out, has techniques below innovative characteristics:
1), this utility model introduces helix transporting device first in dry distillation of coal device and advances raw coal material, innovate fine coal propulsioning means, the problem solving conventional upright stove restriction pyrolysis yield, avoid the problem that device structure is complicated, sealing difficulty is big, fault rate is high that conventional track conveying brings, it is effectively ensured fine coal material being slowly advanced and thermally equivalent in dry distilling, and dust from flying will not be produced, can wide popularization and application in dry distillation of coal industrialization, wide market.
2), this utility model initiate be arranged in parallel in heated sealed indoor two so that dry distilling room, and innovate the spiral pusher mode under the material mode of communicating of dry distilling room and parallel connection, substantially increase dry distillation efficiency, and adopt raw coke oven gas burning to provide dry distilling heat, it is achieved that recycling of energy.
3), this utility model arranges cracking gas collection device on the dry distilling chamber outer wall that heating is indoor, cracking gas collecting chamber is arranged at the top of upper dry distilling room and lower dry distilling room, can many places opening, the oil gas produced during dry distilling can be discharged in time uniformly, by reducing the discharge speed of carbonizing gas, improve the settling efficiency of dust in carbonizing gas (raw coke oven gas), it is entirely avoided traditional tail individually discharges the problem that during gas, gas aggregate amount is big, and then improves dry distillation efficiency.
4), upper dry distilling room and lower dry distilling indoor coal charge are based on indirectly heating dry distilling in this utility model, and the raw coke oven gas calorific value that dry distilling produces is high, and methane content is high, and the indoor heat of heating may be from dry distilling used heat, improves heat utilization efficiency.As required the rear bearing supporting seat of helix transporting device can be arranged at heating indoor simultaneously, improve the closure adding hot cell to greatest extent, while improving the efficiency of heating surface, simplify system structure, improve system safety in operation.
5), screw propulsion material external-heat dry distillation of coal device described in the utility model by connecting many barrels series connection feed bin on feeding warehouse and discharging bin, avoid dry distilling indoor raw coke oven gas under negative pressure or positive pressure operation and enter, from feed inlet and outlet, the danger that dry distilling is indoor from feed inlet and outlet leakage and oxygen, it is to avoid the probability of pyrolytic process blast.
6), the operating condition of screw propulsion material external-heat dry distillation of coal device described in the utility model is flexible, the pressure wherein going up dry distilling room and lower dry distilling room can carry out flexible, dry distilling indoor raw coke oven gas flow velocity can be reduced, thus being conducive to the sedimentation of dust in raw coke oven gas by improving pressure；And dry distilling room may operate in negative pressure or malleation dry distilling condition；The compression power consumption of raw coke oven gas following process can be reduced under positive pressure operation, retorting time can be shortened under negative-pressure operation, improve the output capacity of tar, thus device described in the utility model has stronger industrialization and amplifies application prospect.
7), this utility model adopts resistant to elevated temperatures sealing to brush or stuffing seal between dry distilling room and helix transporting device, it is possible to realizes not stop sealing and changes, it is ensured that the macrocyclic stable operation of whole device.
Below it is only that preferred implementation of the present utility model is described; the technical solution of the utility model is not limited to this; the any known deformation that those skilled in the art make on the basis that major technique of the present utility model is conceived broadly falls into the claimed technology category of this utility model, and the concrete protection domain of this utility model 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, including: add hot cell (3), dry distilling room, helix transporting device (9), cracking gas collecting chamber (10) and driving device, described cracking gas collecting chamber (10) is arranged on described dry distilling room, and described cracking gas collecting chamber (10) connects with described dry distilling room, the heated portion of described dry distilling room adds in hot cell (3) described in being in, and the dry distilling space of described dry distilling room is isolated with the described heat space that adds adding hot cell (3), described dry distilling room is formed with charging aperture and discharging opening, it is indoor that described helix transporting device (9) is arranged at described dry distilling, described driving device drives described helix transporting device (9) in described dry distilling indoor rotation, described adding, offers fume emission mouth (15) on hot cell (3).
2. screw propulsion material external-heat dry distillation of coal device according to claim 1, it is characterized in that, also include cracking gas collecting pipe (2), described cracking gas collecting chamber (10) is formed on the outer wall of described dry distilling room, and described cracking gas collecting chamber (10) and described dry distilling room are in described heating indoor, and between outer wall and the inwall adding hot cell of described dry distilling room, form outer heat space, one end of described cracking gas collecting pipe (2) is communicated in described cracking gas collecting chamber (10), the other end of described cracking gas collecting pipe (2) adds outside hot cell (3) described in stretching out in.
3. screw propulsion material external-heat dry distillation of coal device according to claim 1, it is characterized in that, also include fuel Supply House (16) and fuel supply pipe (17), described fuel Supply House (16) by described fuel supply pipe (17) be connected to described in add hot cell (3), and described in add hot cell connect fuel supply pipe (17) position be provided with lighter (12), described in add hot cell by fuel internally fired mode be described dry distilling room heat.
4. screw propulsion material external-heat dry distillation of coal device according to claim 1, it is characterized in that, also include feeding warehouse (1) and discharging bin (6), described charging aperture (20) is offered at the top of described dry distilling room, one end of described feeding warehouse (1) is connected to described charging aperture (20), the other end of described feeding warehouse (1) adds outside hot cell (3) described in stretching out in, described discharging opening (22) is offered in the bottom of described dry distilling room, one end of described discharging bin (6) is connected to described discharging opening (22), the other end of described discharging bin (6) adds outside hot cell (3) described in stretching out in.
5. screw propulsion material external-heat dry distillation of coal device according to claim 1, it is characterized in that, described dry distilling room includes dry distilling room (4) and lower dry distilling room (5), described upper dry distilling room (4) and lower dry distilling room (5) are arranged side by side in described heating indoor, and be interconnected by material connecting leg (13) between upper dry distilling room (4) and lower dry distilling room (5), in upper dry distilling room (4) and lower dry distilling room (5), it is provided with described helix transporting device (9), outside upper dry distilling room (4) and lower dry distilling room (5), is provided with described cracking gas collecting chamber (10).
6. screw propulsion material external-heat dry distillation of coal device according to claim 5, it is characterized in that, described upper dry distilling room (4) and lower dry distilling room (5) are being arranged side by side that described heating indoor are parallel to each other, and upper dry distilling room (4) relative to lower dry distilling room (5) closer to the end face adding hot cell, the front top of described upper dry distilling room (4) upwards offers charging aperture, the front bottom end of described lower dry distilling room (4) offers downwards discharging opening, described material connecting leg (13) connects dry distilling room (4) and lower dry distilling room (5) in the rear end of upper dry distilling room (4) with lower dry distilling room (5), the coal charge screw propulsion of the helix transporting device (9) in described upper dry distilling room (4) and lower dry distilling room (5) is in opposite direction.
7. screw propulsion material external-heat dry distillation of coal device according to claim 6, it is characterized in that, described upper dry distilling room (4) and lower dry distilling room (5) are respectively provided with cylinder-like structure, at least one end of cylinder is fixed on and is added on hot cell, the cylinder side wall of described upper dry distilling room (4) and lower dry distilling room (5) has connected entrance, the front and back end ports of described material connecting leg (13) is connected to dry distilling room (4) and the connected entrance of lower dry distilling room (5), and the bottom surface of material connecting leg (13) is simultaneously tangent with the cylinder bottom surface of upper dry distilling room (4) and lower dry distilling 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) includes rotating axle (18) and helical blade (19), described helical blade (19) is arranged on described rotation axle (18) in dry distilling chamber interior, and along rotating axle (18) axially at dry distilling indoor formation helical duct, the two ends of described rotation axle (18) stretch out in outside described dry distilling room, and the two ends of described rotation axle (18) are supported on described bearing support block in dry distilling outdoor, rotational sealing structure is formed between two ends port and the described rotation axle of described dry distilling room, described driving device is in transmission connection in one end of described rotation axle.
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 dry distilling room is individually fixed in the face, rear and front end adding hot cell, and described dry distilling room is formed with the junction adding hot cell and seals structure, the two ends of described rotation axle (18) add outside hot cell described in stretching out in, described bearing support block includes fore bearing supporting seat (7) and rear bearing supporting seat (8), the front end of described rotation axle (18) is adding the front rolling support in hot cell on described fore bearing supporting seat (7), the rear end of described rotation axle (18) is adding the rear rolling support in hot cell on described rear bearing supporting seat (8), described driving device (11) is in transmission connection in the rear end of described rotation axle (18).
null10. screw propulsion material external-heat dry distillation of coal device according to claim 8，It is characterized in that，The rear end of described dry distilling room adds the rear end face in hot cell described in being fixed on，And described dry distilling room is formed with the junction adding hot cell and seals structure，The rear end of described rotation axle (18) from the back-end ports of described dry distilling room stretch out in described in add hot cell outside，Described bearing support block includes fore bearing supporting seat (7) and rear bearing supporting seat (8)，The rear end of described rotation axle (18) is adding the rear rolling support in hot cell on described rear bearing supporting seat (8)，Described fore bearing supporting seat (7) adds within hot cell (3) described in being arranged at，Indoor rolling support is being heated on described fore bearing supporting seat (7) in the front end of described rotation axle (18)，Described driving device (11) is in transmission connection in the rear end of described rotation axle (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620031599.XU CN205382124U (en) | 2016-01-14 | 2016-01-14 | Outer hot type coal carbonization device of screw propulsion material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620031599.XU CN205382124U (en) | 2016-01-14 | 2016-01-14 | Outer hot type coal carbonization device of screw propulsion material |
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| Publication Number | Publication Date |
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| CN205382124U true CN205382124U (en) | 2016-07-13 |
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Family Applications (1)
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|---|---|---|---|
| CN201620031599.XU Withdrawn - After Issue CN205382124U (en) | 2016-01-14 | 2016-01-14 | Outer hot type coal carbonization device of screw propulsion material |
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| CN (1) | CN205382124U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542816A (en) * | 2016-01-14 | 2016-05-04 | 王崇峰 | Spiral propelling feeding external-heating coal dry distillation device |
| CN107143856A (en) * | 2017-03-28 | 2017-09-08 | 中南大学 | A kind of electron wastes pyrolysis oven |
| WO2022193015A1 (en) * | 2021-03-16 | 2022-09-22 | Iq Energy Inc. | Systems and methods for processing waste |
-
2016
- 2016-01-14 CN CN201620031599.XU patent/CN205382124U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542816A (en) * | 2016-01-14 | 2016-05-04 | 王崇峰 | Spiral propelling feeding external-heating coal dry distillation device |
| CN105542816B (en) * | 2016-01-14 | 2017-12-15 | 王崇峰 | A kind of screw propulsion material external-heat dry distillation of coal device |
| CN107143856A (en) * | 2017-03-28 | 2017-09-08 | 中南大学 | A kind of electron wastes pyrolysis oven |
| CN107143856B (en) * | 2017-03-28 | 2019-09-10 | 中南大学 | A kind of electron wastes pyrolysis oven |
| WO2022193015A1 (en) * | 2021-03-16 | 2022-09-22 | Iq Energy Inc. | Systems and methods for processing waste |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20160713 Effective date of abandoning: 20171215 |