CN206143129U - From junked tire pyrolysis of dust removal type and cracking system - Google Patents

From junked tire pyrolysis of dust removal type and cracking system Download PDF

Info

Publication number
CN206143129U
CN206143129U CN201620661365.3U CN201620661365U CN206143129U CN 206143129 U CN206143129 U CN 206143129U CN 201620661365 U CN201620661365 U CN 201620661365U CN 206143129 U CN206143129 U CN 206143129U
Authority
CN
China
Prior art keywords
cracking
pyrolysis
dust arrester
gas
grain bed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201620661365.3U
Other languages
Chinese (zh)
Inventor
耿层层
陈水渺
肖磊
薛逊
吴道洪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenwu Technology Group Corp Co Ltd
Original Assignee
Beijing Shenwu Environmental and Energy Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Shenwu Environmental and Energy Technology Co Ltd filed Critical Beijing Shenwu Environmental and Energy Technology Co Ltd
Priority to CN201620661365.3U priority Critical patent/CN206143129U/en
Application granted granted Critical
Publication of CN206143129U publication Critical patent/CN206143129U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/141Feedstock
    • Y02P20/143Feedstock the feedstock being recycled material, e.g. plastics

Abstract

The utility model belongs to the technical field of the junked tire pyrolysis, mainly the from junked tire pyrolysis of dust removal type and cracking system based on the regenerative radiant tube heating for prepare clean combustible gas. To overcome defects in the prior art, one kind is developed from junked tire pyrolysis of dust removal type and scission reaction system to the design, this reaction system can carry out two kinds of operations of pyrolysis and schizolysis, the oil gas that the pyrolysis produced, get into grain bed dust collector, oil gas is behind filtering dirt, uncontaminated oil gas enters into splitting chamber, the dust removal pressure of follow -up technology has been reduced, the gaseous hydrocarbons who is the burnt oil molecules schizolysis of macromolecule the micro molecule, this reactor can produce a large amount of cracking gases, thereby avoided production pyrolysis oil to be difficult to the problem of utilizing, junked tire's clean high -efficient the utilization has really been realized.

Description

It is a kind of to be pyrolyzed from dedusting type junked tire and cracking system
Technical field
This utility model belongs to junked tire pyrolytic technique field, it is mainly a kind of based on heat accumulation type radiant tube heat from Dedusting type junked tire is pyrolyzed and cracking system, for producing cleaning combustible gas.
Background technology
With the fast development and the generally raising of living standards of the people of China's economy, automobile has stepped into people's Among daily life, substantial amounts of junked tire is thereby produced.China's tire yield is up to 2.8 hundred million within 2006, occupies the world One, the junked tire for producing then also up to 1.4 hundred million, about 3,600,000 tons.The accumulation of a large amount of junked tires not only land occupation, It is also easy to grow mosquito antibacterial, spreads disease, endanger residents ' health, and pole fire hazardous, causes environmental pollution.To useless Old tire is recycled, then not only can alleviate its pressure to environment, reduces pollution, and the effective of more achievable resource returns Receive and utilize.The current method for processing junked tire has the prototype transformation of the way, produces reclaimed rubber and rubber powder, burning and pyrolysis etc., wherein Pyrolytic technique be it is a kind of have very much potentiality process junked tire method.Junked tire pyrolytic technique is in anoxia by junked tire Or thermally decomposed in noble gases, pyrolysis gas, pyrolysis oil and charcoal residue etc. can be produced.The further processed process of these products The high-value product with various uses can be changed into.Compared with traditional treatment method, pyrolysismethod not only can reclaim high additional The product of value, and nearly 70% energy can be reclaimed, with higher economy and environmental benefit.At present, the heat of junked tire Solution technology mainly has moving bed pyrolysis technique, waste-tire recycling system etc..However, the pyrolisis of tires oil obtained through pyrolytic technique Component is extremely complex, cause the shortcomings of pH value is relatively low, oxygen content is high, heat stability is poor, viscosity is big it to be difficult to directly to utilize and Storage, it is difficult to industrial applications.Therefore, how to design a kind of efficient production cleaning combustible gas becomes asking for this area urgent need to resolve Topic.
Utility model content
This utility model is directed to the deficiencies in the prior art, designs and develop a kind of pyrolysis from dedusting type junked tire and cracking Response system, the response system can be pyrolyzed and be cracked two kinds of operations, be pyrolyzed the oil gas for producing, into grain bed dedusting dress Put, after filtering dust collecting, clean oil gas enters into cracking room to oil gas, the dedusting pressure of subsequent technique is reduced, by macromole Tar molecules be cracked into the gaseous hydrocarbons of small molecule, the reactor can produce substantial amounts of cracking gas, so as to avoid production heat The problem that solution oil is difficult by, the clean and effective for being truly realized junked tire is utilized.
To solve above-mentioned technical problem, the technical solution adopted in the utility model is:
This utility model provides one kind from the pyrolysis of dedusting type junked tire and cracking system, according to reality of the present utility model Example is applied, the system includes:Loading hopper;Feeder, the feeder is connected with the loading hopper;Pyrolysis and cracking reactor, bag Include:The outlet of charging aperture, pyrolysis chamber, cracking room and cracking gas, the charging aperture is arranged on the roof of the pyrolysis chamber, described to split Outlet of venting one's spleen is arranged on the side wall of the cracking room;And:Heat accumulation type radiant tube, the heat accumulation type radiant tube is along the reaction Inside the pyrolysis chamber and the cracking room, per layer has many and arranges in the horizontal direction the short transverse multi-tier arrangement of device The heat accumulation type radiant tube;Heat-insulated brick wall, the heat-insulated brick wall is arranged at the 2/3 of the reactor transverse width, vertically Through in the reactor, the inner space of the reactor is separated into into the pyrolysis chamber and the cracking room;Connection structure Part, the communication member is on the heat-insulated brick wall longitudinal length, positioned at the opening of lower position, for by the pyrolysis chamber and The cracking room connection;Grain bed dust arrester, the grain bed dust arrester is fixed with the opening of the heat-insulated brick wall Connection, and the grain bed dust arrester extends horizontally and to the pyrolysis interior positioned at the side of the pyrolysis chamber, uses In the oil gas for producing the pyrolysis chamber, by the grain bed dust arrester, the cracking room is passed into;Ceramic filter, Described ceramic filter one end is connected with cracking gas outlet, and the other end is connected with the spray column;Spray column, the spray Tower is connected with the ceramic filter;Fuel cartridge, the fuel cartridge is connected with the spray column.
Inventor has found that simple according to the system process of this utility model embodiment, easy to operate, the response system can enter Two kinds of operations of row pyrolysis and cracking, are pyrolyzed the oil gas for producing, and into grain bed dust arrester, oil gas is clean after filtering dust collecting Oil gas enter into cracking room, reduce the dedusting pressure of subsequent technique, the tar molecules of macromole are cracked into into small molecule Gaseous hydrocarbons, the reactor can produce substantial amounts of cracking gas, real real so as to avoid the problem that production pyrolysis oil is difficult by The clean and effective for having showed junked tire is utilized.Meanwhile, the reactor employs heat accumulation type radiant tube heating technique without the need for gas, solid heat Carrier is heated, and while the thermal efficiency that improve reactor system process is simplified.
According to embodiment of the present utility model, the grain bed dust arrester is located on the side of pyrolysis chamber side and arranges tool There is the pore area in multiple holes, the grain bed dust arrester is located at the bottom surface of pyrolysis chamber side and is provided with dust outlet, and described Grain bed dust arrester be located at cracking room side side surface upper part be provided with for the dust arrester is carried out blowback blow valve port, Bottom is provided with pyrolysis gas outlet.
According to embodiment of the present utility model, the thickness of the heat-insulated brick wall is 50-150mm;The grain bed dedusting dress The height put is 200-2000mm, and width is 100-500mm;The height of the pore area be 150-1500mm, the diameter in the hole For 1-30mm.
According to embodiment of the present utility model, the grain bed dust arrester is embedded in the opening;The grain bed It is inclined design that dust arrester is located at the top of pyrolysis chamber side.
According to embodiment of the present utility model, further include combustion gas air-introduced machine, wherein, described combustion gas air-introduced machine one end with The outlet connection of the spray column, the other end is connected with the fuel cartridge import.
According to embodiment of the present utility model, also including gasification furnace, the gasification furnace respectively with the heat accumulation type radiant tube Fuel gas inlet and semicoke conveyer device connection;Also include waste heat boiler, the waste heat boiler and the heat accumulation type radiant tube Exhanst gas outlet is connected.
According to embodiment of the present utility model, the grain bed dust arrester is built with 1mm-20mm high filter medium; The filter medium is perlite, sandstone or spherical ceramic particles.
According to embodiment of the present utility model, the loading hopper is connected by the feeder with the charging aperture;And Also export including semicoke, the semicoke outlet is arranged on the bottom of the pyrolysis chamber, the semicoke outlet and semicoke conveying Device connects.
The beneficial effects of the utility model are:
1)Heat accumulation type radiant tube moving bed process is taken to heat the junked tire of below 20mm, uniformity of temperature profile, heating Effect is good, response system simple structure, easy to operate.
2)Reactor is divided into pyrolysis chamber and cracking room, and the oil gas that pyrolysis chamber produces can carry out deep pyrolytic, greatly in cracking room The tar molecules of molecule are cracked into the gaseous hydrocarbons of small molecule.
3)The response system can produce substantial amounts of cracking gas product, it is to avoid the problem that pyrolysis oil is difficult by, real real The clean and effective for having showed junked tire is utilized.
4)Two kinds of operations can be carried out in one body of heater, is united two into one, save construction cost and floor space.
5)Grain bed dust arrester, the oil gas that pyrolysis chamber produces, through grain bed dedusting are provided with pyrolysis chamber's oil gas vent After device dedusting, clean oil gas enters back into cracking room carries out deep pyrolytic, reduces rear end dedusting pressure, generates clean splitting Vent one's spleen.
Description of the drawings
Fig. 1 is this utility model from the pyrolysis of dedusting type junked tire and the structure chart of cracking system.
Fig. 2 is this utility model from the pyrolysis of dedusting type junked tire and the structure of reactor figure of cracking system.
Fig. 3 is provided with the front view of the heat-insulated brick wall of grain bed dust arrester for this utility model.
Fig. 4 is the structure chart of this utility model grain bed dust arrester.
Wherein, 1. loading hopper;2. feeder;3. thermal storage type moving bed reactor;310. cracking gases are exported;311. flue gases go out Mouthful;320. charging aperture;321. air intake;322. fuel gas inlet;330. semicokes are exported;340. cracking room;350. pyrolysis chamber; 360. communication member;370. heat-insulated brick walls;380. heat accumulation type radiant tube;4. ceramic filter;5. spray column;6. combustion gas air inducing Machine;7. fuel cartridge;8. gasification furnace;9. conveying worm;10. waste heat boiler;11st, grain bed dust arrester;111st, blow valve port; 112nd, pyrolysis gas outlet;113rd, dust outlet;114th, pore area.
Specific embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, with reference to specific embodiment The utility model is described in further detail.The embodiments described below is exemplary, is only used for explaining that this practicality is new Type, and it is not intended that to restriction of the present utility model.Unreceipted particular technique or condition in embodiment, according in the art Document described by technology or condition or carry out according to product description.
According to one side of the present utility model, this utility model provides one kind and is pyrolyzed and splits from dedusting type junked tire Solution system, Fig. 1 is the structure chart from the pyrolysis of dedusting type junked tire and cracking system, as shown in figure 1, the system includes loading hopper 1st, feeder 2, the loading hopper 1 and the feeder 2 connect;Pyrolysis and cracking reactor 3, the pyrolysis and cracking reactor 3 include:Charging aperture 320, pyrolysis chamber 350, the outlet 310, heat accumulation type radiant tube 380 of cracking room 340, cracking gas, heat-insulated brick wall 370th, communication member 360 and grain bed dust arrester 11, wherein, the charging aperture is arranged on the roof of the pyrolysis chamber, institute State cracking gas outlet to be arranged on the side wall of the cracking room, the heat-insulated brick wall is incited somebody to action vertically through in the reactor The inner space of the reactor is separated into the pyrolysis chamber and the cracking room, and the communication member is arranged on the insulating brick On wall, pyrolysis chamber is connected with cracking room, it is preferred that the communication member is arranged on the bottom of the heat-insulated brick wall, for inciting somebody to action The oil gas that the pyrolysis chamber produces, by the communication member, is passed into the cracking room;Ceramic filter 4, the ceramic mistake Filter is connected with cracking gas outlet;Spray column 5, the spray column is connected with the ceramic filter;Fuel cartridge 7, it is described Fuel cartridge is connected with the spray column.Grain bed dust arrester, the grain bed dust arrester with described in the heat-insulated brick wall Opening is fixedly connected.
Inventor has found that simple according to the system process of this utility model embodiment, easy to operate, the response system can enter Two kinds of operations of row pyrolysis and cracking, are pyrolyzed the oil gas for producing, and into grain bed dust arrester, oil gas is clean after filtering dust collecting Oil gas enter into cracking room, reduce the dedusting pressure of subsequent technique, the tar molecules of macromole are cracked into into small molecule Gaseous hydrocarbons, the reactor can produce substantial amounts of cracking gas, real real so as to avoid the problem that production pyrolysis oil is difficult by The clean and effective for having showed junked tire is utilized.Meanwhile, the reactor employs heat accumulation type radiant tube heating technique without the need for gas, solid heat Carrier is heated, and while the thermal efficiency that improve reactor system process is simplified.
According to specific embodiment of the utility model, it is adaptable to the junked tire of the junked tire pyrolysis and cracking system Concrete particle diameter is not particularly limited, and according to embodiment of the present utility model, junked tire can also be able to be little particle for bulk, In some preferred embodiments of the present utility model, the granularity of the waste tyre particle that the reactor is adopted for below 20mm, by This, can make full use of little particle junked tire, and resource utilization is high, and can solve the problem that bulk deposition pollutes the problem of environment.
According to specific embodiment of the utility model, it is adaptable to which the type of furnace of the reactor 3 of the system is not especially limited System, can be thermal storage type moving bed pyrolysis and cracking reactor 3 can also be other types, such as non-heat accumulating type or non-moving type Deng as long as pyrolysis chamber and cracking room can be divided into by the integration of heat-insulated brick wall.Some are preferred of the present utility model In embodiment, the reactor 3 adopts thermal storage type moving bed reactor 3.
According to specific embodiment of the utility model, Fig. 2 is this from the pyrolysis of dedusting type junked tire and the heat of cracking system Solution and the structure chart of cracking reactor 3, as shown in Fig. 2 the heat-insulated brick wall is arranged in reactor, it is preferred that positioned at reactor At the 2/3 of transverse width, the thickness of heat-insulated brick wall is 50-150mm.Heat-insulated brick wall will react vertically through in reactor The inner space of device is separated into pyrolysis chamber and cracking room, and the structure causes to be provided with pyrolysis chamber and cracking room in a body of heater, The oil gas that pyrolysis is produced, into grain bed dust arrester, after filtering dust collecting, clean oil gas enters into cracking room to oil gas, drops The tar molecules of macromole are cracked into the gaseous hydrocarbons of small molecule by the low dedusting pressure of subsequent technique, produce substantial amounts of splitting Vent one's spleen, so as to avoid the problem of production pyrolysis oil dust-laden.Also, two kinds of operations can be carried out in a body of heater, is united two into one, be saved Save construction cost and floor space.
According to specific embodiment of the utility model, the concrete species of the communication member 360 is not particularly limited, as long as Pyrolysis chamber can be connected with cracking room, so as to the oil gas for producing pyrolysis chamber is passed into cracking room.In this utility model Some embodiments in, Fig. 2 is this from the pyrolysis of dedusting type junked tire and the pyrolysis of cracking system and the structure of cracking reactor 3 Figure, as shown in Fig. 2 the reactor also includes communication member, communication member can be on insulating brick wall longitudinal length, positioned at bottom The opening of position.
According to specific embodiment of the utility model, Fig. 2 is this from the pyrolysis of dedusting type junked tire and the heat of cracking system Solution and the structure chart of cracking reactor 3, as shown in Fig. 2 the reactor also includes grain bed dust arrester 11, the grain bed dedusting Device is located at the side of the pyrolysis chamber and extends horizontally and to the pyrolysis interior, for the oil for producing the pyrolysis chamber Gas, by the grain bed dust arrester, is passed into the cracking room.In some embodiments of the present utility model, Fig. 3 be from When the from left to right of reactor is seen, the front view of heat-insulated brick wall, as shown in figure 3, the grain bed dust arrester and the insulating brick The opening of wall is fixedly connected.Preferably, the grain bed dust arrester is embedded in the communication member at the opening.And And, the grain bed dust arrester is located on the side of pyrolysis chamber side and arranges the pore area 114 with multiple holes.Preferably, institute The height for stating pore area is 150-1500mm, a diameter of 1-30mm in the hole.
According to specific embodiment of the utility model, the concrete structure of the grain bed dust arrester is not particularly limited, As long as dust removal process can be carried out to the oil gas that pyrolysis chamber produces.In some embodiments of the present utility model, Fig. 4 is this The structure chart of utility model grain bed dust arrester, as shown in figure 4, the grain bed dust arrester is located at the bottom of pyrolysis chamber side Face is provided with dust outlet 113, and side surface upper part of the grain bed dust arrester positioned at cracking room side is provided with for right The dust arrester carries out the blow valve port 111, bottom of blowback and is provided with pyrolysis gas outlet 112.Preferably, the grain bed dedusting It is inclined design that device is located at the top of pyrolysis chamber side, is easy to be pyrolyzed material whereabouts;Preferably, the grain bed dust arrester Height be 200-2000mm, width is 100-500mm.In some embodiments of the present utility model, the oil gas for producing is pyrolyzed, By the grain bed dust arrester being fixedly connected with the heat-insulated brick wall lower openings of reactor, dust removal process is carried out in pore area Afterwards, the pyrolysis gas of cleaning are obtained, Jing pyrolysis gas outlets enter into cracking room.When plant running for a period of time after, can be by nitrogen Be passed through blow valve port carries out blowback to grain bed dust arrester, it is ensured that the dust removing effects of grain bed, and the dust that blowback goes out is from grain bed Dust arrester lower left dust outlet or left hole band are discharged, and fall into pyrolysis chamber, are discharged by cold slag spiral.Thus, pyrolysis chamber The oil gas of generation, into grain bed dust arrester, after dedusting, obtains the oil gas of cleaning, so as to reduce rear end dedusting pressure Power.
According to specific embodiment of the utility model, the concrete species and chi of filter medium in the grain bed dust arrester It is very little to be not particularly limited, as long as dust removal process can effectively be carried out to the oil gas that pyrolysis chamber produces.In this utility model Some embodiments in, Fig. 4 for this utility model grain bed dust arrester structure chart, as shown in figure 4, the grain bed dedusting Filter medium can be housed, it is preferred that the filter medium can be the filter medium of high 1mm-20mm, preferred Margarita in device Rock, sandstone, spherical ceramic particles etc..
According to specific embodiment of the utility model, as shown in figure 1, the charging aperture is arranged on the roof on pyrolysis chamber top On, loading hopper is connected by feeder with the charging aperture.According to embodiment of the present utility model, as shown in figure 1, the system can To further include:Loading hopper and feeder, the outlet of the loading hopper is connected with the entrance of the feeder, the feeder Outlet be connected with the charging aperture.According to embodiment of the present utility model, the concrete species of feeder is not particularly limited, only Junked tire in loading hopper can be effectively delivered in reactor.In some embodiments of the present utility model In, feeder can be star feeder or feed screw.Thereby, it is possible to realize the Automatic Conveying to hot feed, conveying Amount is controllable, and device structure is simple, easy to operate.
According to specific embodiment of the utility model, as shown in figure 1, the reactor further comprises semicoke outlet 330, the semicoke outlet is arranged on the bottom of the pyrolysis chamber, and the semicoke outlet is connected with the semicoke conveyer device 9.By This, it is possible to use semicoke conveyer device is conveyed the semicoke obtained in reactor.The concrete species of semicoke conveyer device is not It is particularly limited, including but not limited to star or conveying worm 9.It is thereby, it is possible to realize the Automatic Conveying to semicoke and defeated The amount of sending is controllable, and device structure is simple, easy to operate.
According to embodiment of the present utility model, with reference to Fig. 2, the inside reactor is disposed with multilamellar along the reactor Short transverse be arranged in the pyrolysis chamber and the cracking room inside heat accumulation type radiant tube, every layer of heat accumulation type radiant tube can wrap Include the heat accumulation type radiant tube of multiple parallel to each other and horizontally spaced distribution.It is described according to embodiment of the present utility model Pyrolysis chamber and cracking interior distributed respectively at least one heat accumulation type radiant tube, it is preferred that at least one heat accumulating type Radial canal is uniformly distributed.Heat accumulation type radiant tube can be heated effective for the oil gas indoor to pyrolysis material and cracking so as to It is pyrolyzed and cracking reaction, specifically, combustible gas and air can be passed through into heat accumulation type radiant tube, makes combustible gas burning real Now to pyrolysis material and the heating function of the oil gas for cracking interior.The reactor adopt heat accumulation type radiant tube heating technique, without the need for gas, Gu heat carrier is heated, pyrolysis gas will not be diluted, and calorific value is high, and reactor temperature is evenly distributed, and surface temperature difference is little, smoke evacuation temperature Degree is low, and the thermal efficiency is high, and system process, response system simple structure, operation are simplified while the thermal efficiency that improve reactor It is convenient.
According to embodiment of the present utility model, in the pyrolysis chamber of the reactor, pyrolysis material is moved from top to bottom, described The heat accumulation type radiant tube arranged in reactor can pyrolysis material break up and be uniformly distributed it, pyrolysis material is in the reactor from upper Lower stop 1-50 minutes, and it is heated to 500-600 DEG C.According to embodiment of the present utility model, the shape of heat accumulation type radiant tube is not It is particularly limited, can is cylinder in some embodiments of the present utility model, is thus conducive to being pyrolyzed breaing up for material, it is real Existing mixed pyrolysis material is dispersed in pyrolysis chamber.The level interval of radial canal is 200-500mm, and vertical interval is 200- 700mm, the radial canal number of plies is 10-25 layers, and reactor width is 2-6m, and height for reactor is 3-20m.In addition, heat accumulating type radiation Pipe can be the unidirectional heat accumulation type radiant tube being evenly arranged, and tube wall temperature is controlled in 500-700 DEG C of scope using gas control valve, Pyrolysis material is stopped 1-50 minutes from top to bottom in the reactor, and is heated to 500-600 DEG C, completes pyrolytic process.Meanwhile, accumulation of heat Formula radial canal can take the combustion system of regular commutation so that the surface temperature difference of single heat accumulation type radiant tube only has 30 DEG C of left sides The right side, does not have area of localized hyperthermia, thus, is conducive to improving the thermal efficiency.
According to specific embodiment of the utility model, the reactor be provided with fuel gas inlet 322, air intake 321 and Exhanst gas outlet 311, wherein, fuel gas inlet and exhanst gas outlet are connected respectively with heat accumulation type radiant tube, are respectively used to be passed through combustible gas With discharge flue gas, air intake is connected respectively with source of the gas and heat accumulation type radiant tube, and the air for source of the gas to be produced is passed through accumulation of heat In formula radial canal.It is delivered in gasification furnace thus, it is possible to pass through fuel gas inlet and semicoke will be obtained in pyrolysis chamber, gas is carried out to semicoke Change is processed, and to obtain combustible gas and lime-ash, the combustible gas for obtaining can be entered in heat accumulation type radiant tube by fuel gas inlet, together When, air can be passed through in heat accumulation type radiant tube using blower fan by air intake, make combustible gas burn in pyrolysis chamber Pyrolysis material heated.In addition, the flue gas in heat accumulation type radiant tube is transported in waste and old boiler by exhanst gas outlet, reclaim Flue gas, makes flue gas not to be discharged in air.Thus, it is possible to sufficiently utilize semicoke, do not cause to waste, economy It is good, also, flue gas is reclaimed, environmental pollution is not caused, environmental protection.
According to embodiment of the present utility model, the system may further include:Ceramic filter, the ceramic filter It is arranged between the outlet of the cracking gas of the cracking room and the spray column.The entrance of the ceramic filter and the cracking room Cracking gas outlet connection, the ceramic filter outlet and the spray column entrance connect.Ceramic filter it is concrete Species is not particularly limited, as long as cracking gas can be exported the cracking gas discharged effectively carries out dust removal process.
According to embodiment of the present utility model, as shown in figure 1, the system may further include:Spray column, the spray Tower is arranged between the ceramic filter and the combustion gas air-introduced machine.The entrance of the spray column and the ceramic filter Outlet connection, the outlet of the spray column is connected with the entrance of the combustion gas air-introduced machine.The concrete species of spray column is not by special Limit, as long as being capable of washing, purifying cracking gas.
According to embodiment of the present utility model, as shown in figure 1, the system may further include:Combustion gas air-introduced machine 6, its In, the combustion gas air-introduced machine is arranged between the spray column and the fuel cartridge.The combustion gas air-introduced machine entrance and the spray The outlet connection of tower is drenched, the combustion gas air-introduced machine outlet is connected with the fuel cartridge import.
According to embodiment of the present utility model, as shown in figure 1, the system may further include:Fuel cartridge, the combustion gas Tank is arranged on one end of the combustion gas air-introduced machine.The entrance of the fuel cartridge is connected with the outlet of the combustion gas air-introduced machine.Combustion gas The concrete species of tank is not particularly limited, as long as cracking gas can be stored.
According to embodiment of the present utility model, as shown in figure 1, the system may further include:Gasification furnace 8, the gas Change stove to be arranged between the fuel gas inlet of the heat accumulation type radiant tube and semicoke conveyer device.The gasification furnace entrance and described half The outlet connection of burnt conveyer device, the gasification outlet of still is connected with the fuel gas inlet of the heat accumulation type radiant tube.Gasification furnace Concrete species is not particularly limited, as long as semicoke can be carried out into gasification process, to obtain combustible gas and lime-ash, also, The lime-ash obtained after gasification is discharged, and the combustible gas for obtaining can enter into heat accumulating type spoke by the fuel gas inlet of heat accumulation type radiant tube In penetrating pipe, the pyrolysis material in pyrolysis chamber is heated by combustible gas burning.Thereby, it is possible to realize carrying out sufficiently semicoke Utilize, do not cause to waste, good economy performance.
According to embodiment of the present utility model, as shown in figure 1, the system may further include:Waste heat boiler 10, it is described Waste heat boiler is arranged on exhanst gas outlet one end of the heat accumulation type radiant tube.The entrance of the waste heat boiler and the heat accumulating type spoke The exhanst gas outlet for penetrating pipe is connected.The concrete species of waste and old boiler is not particularly limited, as long as being capable of recovered flue gas.By This, reclaims to flue gas, does not cause environmental pollution, environmental protection.
In other side of the present utility model, this utility model is provided one kind and is given up using foregoing system The method that old tire is pyrolyzed and cracks.According to embodiment of the present utility model, the method is comprised the following steps:
A. waste tyre particle is added in reactor by charging aperture, in the pyrolysis chamber of the reactor heat is completed Solution preocess.Wherein, the junked tire is entered in feeder from loading hopper, and the charging aperture on reacted device top is added to accumulation of heat In formula moving-burden bed reactor, and broken up by the heat accumulation type radiant tube in the reactor, pyrolysis char from reactor bottom half Jiao's outlet is discharged, and Jing semicoke conveyer devices(Preferably conveying worm)Discharge.
According to embodiment of the present utility model, the concrete particle diameter of junked tire is not particularly limited, and junked tire can be Block junked tire can also be little particle junked tire, and in some preferred embodiments of the present utility model, the reactor is adopted The granularity of waste tyre particle is below 20mm, thus, it is possible to make full use of little particle junked tire, resource utilization Height, and can solve the problem that bulk deposition pollutes the problem of environment.
According to embodiment of the present utility model, in pyrolysis chamber, junked tire is moved from top to bottom, is arranged in pyrolysis chamber 15 heat accumulation type radiant tubes can break up junked tire is uniformly distributed it, and waste tyre particle stops from top to bottom in the reactor 1-50 minutes, waste tyre particle is stayed to be heated to 500-600 DEG C by the heat accumulation type radiant tube in reactor pyrolysis chamber.Specifically, The temperature of heat accumulation type radiant tube tube wall can be controlled in 500-700 DEG C of scope by gas valve, and be heated to 500-600 DEG C, it is complete Into pyrolytic process.
B. the oil gas of generation is pyrolyzed, by the communication member arranged on the heat-insulated brick wall of the reactor, is removed into grain bed Dirt device, after grain bed dust arrester dedusting, clean oil gas enters back into the cracking room of the reactor.
According to embodiment of the present utility model, heat-insulated brick wall is arranged in reactor, it is preferred that laterally wide positioned at reactor At the 2/3 of degree, the thickness of heat-insulated brick wall is 50-150mm, heat-insulated brick wall vertically through in reactor, by reactor Portion space is separated into pyrolysis chamber and cracking room, and the structure causes to be provided with pyrolysis chamber and cracking room, pyrolysis chamber in a body of heater The oil gas of generation, into grain bed dust arrester, after grain bed dust arrester dedusting, clean oil gas enters back into cracking room Deep pyrolytic is carried out, rear end dedusting pressure is reduced, the tar molecules of macromole are cracked into into the gaseous hydrocarbons of small molecule.By This, can carry out two kinds of operations in a body of heater, unite two into one, and save construction cost and floor space.According to of the present utility model Embodiment, communication member can be on insulating brick wall longitudinal length, positioned at the opening of lower position.Grain bed dust arrester, institute State grain bed dust arrester to be fixedly connected with the opening of the heat-insulated brick wall, and the grain bed dust arrester is positioned at described The side of pyrolysis chamber extends horizontally and to the pyrolysis interior, for the oil gas for producing the pyrolysis chamber, by described Grain bed dust arrester, is passed into the cracking room.Specifically, the grain bed dust arrester is located at the side of pyrolysis chamber side Upper to arrange the pore area with multiple holes, the grain bed dust arrester is located at the bottom surface of pyrolysis chamber side and is provided with dust discharge Mouthful, and the grain bed dust arrester be located at cracking room side side surface upper part be provided with for carrying out blowback to the dust arrester Blow valve port, bottom be provided with pyrolysis gas outlet.Preferably, the height of the grain bed dust arrester is 200-2000mm, wide Spend for 100-500mm, the height of the pore area is 150-1500mm, a diameter of 1-30mm in the hole;Preferably, the granule It is inclined design that bed dust arrester is located at the top of pyrolysis chamber side, is easy to be pyrolyzed material whereabouts;Preferably, the grain bed is removed Dirt device is built with 1mm-20mm high filter medium, preferred perlite, sandstone, spherical ceramic particles etc..Of the present utility model In some embodiments, the oil gas for producing is pyrolyzed, by the grain bed being fixedly connected with the heat-insulated brick wall lower openings of reactor Dust arrester, is carried out after dust removal process in pore area, obtains the pyrolysis gas of cleaning, and Jing pyrolysis gas outlets enter into cracking room. When plant running for a period of time after, nitrogen can be passed through into blow valve port carries out blowback to grain bed dust arrester, it is ensured that grain bed Dust removing effects, the dust that blowback goes out is discharged from grain bed dust arrester lower left dust outlet or left hole band, falls into pyrolysis Room, is discharged by cold slag spiral.Thus, the oil gas that pyrolysis chamber produces, into grain bed dust arrester, after dedusting, obtains clean Net oil gas, so as to reduce the dedusting pressure of subsequent technique.
C. the clean oil gas completes thermal cracking processes in the cracking interior, produces cracking gas.
According to embodiment of the present utility model, the cracking interior distributed at least one heat accumulation type radiant tube, excellent Choosing, at least one heat accumulation type radiant tube is uniformly distributed.Heat accumulation type radiant tube can be effective for the oil indoor to cracking Gas is heated so as to carry out heat scission reaction.In some preferred embodiments of the present utility model, clean oil gas is reacted Heat accumulation type radiant tube in device cracking room is heated to 650-900 DEG C, specifically, can control heat accumulation type radiant tube by gas valve The temperature of tube wall is 650-900 DEG C, and clean oil gas is heated to rapidly in the reactor 650-900 DEG C, completes thermal cracking mistake Journey, thus, the tar molecules of macromole are cracked into the gaseous hydrocarbons of small molecule, produce substantial amounts of cracking gas, it is to avoid production heat The problem that solution oil is difficult by, the clean and effective for being truly realized junked tire is utilized.
D. the cracking gas is discharged by cracking gas outlet, and Jing after ceramic filter carries out dust removal process spray column is entered into In, purified treatment is carried out to the cracking gas.
According to embodiment of the present utility model, what is be connected with cracking gas outlet is ceramic filter, the ceramic filter Also it is connected with spray column, wherein, described ceramic filter is effectively carried out for cracking gas to be exported into the cracking gas discharged Dust removal process, described spray column is for the cracking gas after dedusting to be carried out into washing, purifying process.Specifically, cracking gas passes through Cracking gas is exported, the udst separation in ceramic filter, subsequently into washing, purifying in spray column, the cracking after being purified Gas, so as to avoid the problem of production pyrolysis oil dust-laden, the clean and effective for being truly realized junked tire is utilized.
E. purified net cracking gas Jing combustion gas air-introduced machine is entered in fuel cartridge, is stored.
According to embodiment of the present utility model, what is be connected with spray column is fuel cartridge, and the fuel cartridge is split for storage Vent one's spleen, the cracking gas Jing combustion gas air-introduced machine after purification sends into fuel cartridge, is stored.
Embodiment one:
(1)It is crushed to the junked tire of granularity≤20mm Jing feeders 2 in loading hopper 1 and enters thermal storage type moving bed reaction Device 3, moving-burden bed reactor 3 is divided into pyrolysis chamber and cracking room by heat-insulated brick wall.
(2)Unidirectional heat accumulation type radiant tube is evenly arranged in pyrolysis chamber, tube wall temperature is controlled using gas control valve 500-700 DEG C of scope, junked tire is stopped 1-50 minutes from top to bottom in the reactor, and is heated to 500-600 DEG C, completes heat Solution preocess.
(3)The oil gas that pyrolysis is produced, by the opening of the heat-insulated brick wall of reactor lower part, into grain bed dust arrester, Jing After crossing grain bed dust arrester dedusting, clean oil gas enters back into the cracking room of the reactor, is evenly arranged in cracking room Unidirectional heat accumulation type radiant tube, tube wall temperature is controlled in 650-900 DEG C of scope using gas control valve, and clean oil gas is in cracking Interior is heated to 650-900 DEG C, completes thermal cracking processes, and the tar molecules of macromole are cracked into the gaseous hydrocarbons of small molecule, Produce substantial amounts of cracking gas, it is to avoid the problem that pyrolysis oil is difficult by, the clean and effective for being truly realized junked tire is utilized.
(4)Cracking gas is entered by reactor outlet, the dedusting in ceramic filter 4, the cracking gas after dedusting Further purification is washed in spray column 5, the net cracking gas Jing combustion gas blower fan 6 after washing sends into fuel cartridge 7, can be used to produce artificial The products such as natural gas.
(5)The semicoke that junked tire pyrolysis is produced, by conveying worm 9 gasification furnace 8 is sent into, and gasification gas can be supplied to radiation Pipe burns, and the lime-ash after gasification is discharged.
(6)The flue gas that heat accumulation type radiant tube burning is produced, into waste heat boiler 10 heat is reclaimed, and produces high-quality steam.
Inventor has found, simple according to the system structure of this utility model embodiment, easy to operate, uniformity of temperature profile, Heats are good.Reactor is divided into pyrolysis chamber and cracking room, the oil gas for producing is pyrolyzed, into grain bed dust arrester, oil gas Jing After dust removal by filtration, clean oil gas enters into cracking room, the dedusting pressure of subsequent technique is reduced, by the tar molecules of macromole The gaseous hydrocarbons of small molecule is cracked into, substantial amounts of cracking gas is produced, it is real real so as to avoid the problem of production pyrolysis oil dust-laden The clean and effective for having showed junked tire is utilized.Also, will be provided with pyrolysis chamber and cracking room in a body of heater in the system so that Two kinds of operations can be carried out in one body of heater, is united two into one, save construction cost and floor space.Meanwhile, the reactor is employed Heat accumulation type radiant tube heating technique simplifies system without the need for gas, solid heat carrier heating while the thermal efficiency that improve reactor Technique.
Using processing junked tire from the pyrolysis of dedusting type junked tire and cracking system, the basic data of raw material is shown in Table 1.
Table 1:Junked tire basic data
Junked tire is processed using the response system, the gas products yield for obtaining is 55%, and pyrolytic tar almost all is split Solve as gaseous products, factor of created gase height.Dust content is less than 1% in the cracking gas of the system output, and gas is more cleaned.
In description of the present utility model, it is to be understood that term " first ", " second " are only used for describing purpose, and It is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define One or more this feature can be expressed or be implicitly included to the feature of " first ", " second ".
In this utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, it is for example, it may be fixedly connected, or be detachably connected or integral;Can be It is mechanically connected, or electrically connects;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis Concrete condition understands concrete meaning of the above-mentioned term in this utility model.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score Can be the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, first is special Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term State that be not necessarily referring to is identical embodiment or example.And, the specific features of description, structure, material or feature can be Combine in an appropriate manner in any one or more embodiments or example.Additionally, in the case of not conflicting, this area Technical staff the feature of the different embodiments or example described in this specification and different embodiment or example can be entered Row is combined and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to restriction of the present utility model, one of ordinary skill in the art is in scope of the present utility model It is interior above-described embodiment to be changed, be changed, being replaced and modification, simultaneously for one of ordinary skill in the art, foundation The thought of the application, will change in specific embodiments and applications.

Claims (8)

1. one kind is pyrolyzed and cracking system from dedusting type junked tire, it is characterised in that include:
Loading hopper;
Feeder, the feeder is connected with the loading hopper;
Pyrolysis and cracking reactor, including:Charging aperture, pyrolysis chamber, cracking room and cracking gas outlet, the charging aperture is arranged on institute State on the roof of pyrolysis chamber, the cracking gas outlet is arranged on the side wall of the cracking room;And:
Heat accumulation type radiant tube, the heat accumulation type radiant tube along the reactor short transverse multi-tier arrangement in the pyrolysis chamber and Inside the cracking room, per layer has many heat accumulation type radiant tubes arranged in the horizontal direction;
Heat-insulated brick wall, the heat-insulated brick wall is arranged at the 2/3 of the reactor transverse width, vertically through in the reaction In device, the inner space of the reactor is separated into into the pyrolysis chamber and the cracking room;
Communication member, the communication member is on the heat-insulated brick wall longitudinal length, positioned at the opening of lower position, for by institute State pyrolysis chamber to connect with the cracking room;
Grain bed dust arrester, the grain bed dust arrester is fixedly connected with the opening of the heat-insulated brick wall, and described Grain bed dust arrester is located at the side of the pyrolysis chamber, and to extend horizontally and to the pyrolysis indoor, for by the pyrolysis The oil gas that room produces, by the grain bed dust arrester, is passed into the cracking room;
Ceramic filter, described ceramic filter one end is connected with cracking gas outlet, and the other end is connected with spray column;
Spray column, the spray column is connected with the ceramic filter;
Fuel cartridge, the fuel cartridge is connected with the spray column.
2. system according to claim 1, it is characterised in that the grain bed dust arrester is located at the side of pyrolysis chamber side Pore area with multiple holes is set on face, and the grain bed dust arrester is located at the bottom surface of pyrolysis chamber side and is provided with dust discharge Mouthful, and the grain bed dust arrester be located at cracking room side side surface upper part be provided with for carrying out blowback to the dust arrester Blow valve port, bottom be provided with pyrolysis gas outlet.
3. system according to claim 2, it is characterised in that the thickness of the heat-insulated brick wall is 50-150mm;Described The height of grain bed dust arrester is 200-2000mm, and width is 100-500mm;The height of the pore area be 150-1500mm, institute State a diameter of 1-30mm in hole.
4. the system according to any one of claim 1-3, it is characterised in that the grain bed dust arrester is embedded in institute State in opening;It is inclined design that the grain bed dust arrester is located at the top of pyrolysis chamber side.
5. the system according to any one of claim 1-3, it is characterised in that further include combustion gas air-introduced machine, wherein, Described combustion gas air-introduced machine one end is connected with the outlet of the spray column, and the other end is connected with the fuel cartridge import.
6. the system according to any one of claim 1-3, it is characterised in that also including gasification furnace, the gasification furnace point It is not connected with the fuel gas inlet and semicoke conveyer device of the heat accumulation type radiant tube;Also include waste heat boiler, the waste heat boiler It is connected with the exhanst gas outlet of the heat accumulation type radiant tube.
7. the system according to any one of claim 1-3, it is characterised in that the grain bed dust arrester built with 1mm-20mm high filter medium;The filter medium is perlite, sandstone or spherical ceramic particles.
8. system according to claim 6, it is characterised in that the loading hopper is by the feeder and the charging aperture It is connected;And also including semicoke outlet, semicoke outlet is arranged on the bottom of the pyrolysis chamber, the semicoke outlet with it is described Semicoke conveyer device connects.
CN201620661365.3U 2016-06-29 2016-06-29 From junked tire pyrolysis of dust removal type and cracking system Withdrawn - After Issue CN206143129U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620661365.3U CN206143129U (en) 2016-06-29 2016-06-29 From junked tire pyrolysis of dust removal type and cracking system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620661365.3U CN206143129U (en) 2016-06-29 2016-06-29 From junked tire pyrolysis of dust removal type and cracking system

Publications (1)

Publication Number Publication Date
CN206143129U true CN206143129U (en) 2017-05-03

Family

ID=58617524

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620661365.3U Withdrawn - After Issue CN206143129U (en) 2016-06-29 2016-06-29 From junked tire pyrolysis of dust removal type and cracking system

Country Status (1)

Country Link
CN (1) CN206143129U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105925293A (en) * 2016-06-29 2016-09-07 北京神雾环境能源科技集团股份有限公司 Self-dust-removal type pyrolyzing and cracking system for waste tires

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105925293A (en) * 2016-06-29 2016-09-07 北京神雾环境能源科技集团股份有限公司 Self-dust-removal type pyrolyzing and cracking system for waste tires
CN105925293B (en) * 2016-06-29 2018-07-13 神雾科技集团股份有限公司 One kind is pyrolyzed from dedusting type waste tire and cracking system

Similar Documents

Publication Publication Date Title
CN206143129U (en) From junked tire pyrolysis of dust removal type and cracking system
CN205974391U (en) From oil shale pyrolysis of dust removal type and cracking system
CN105754628A (en) Waste tire pyrolyzing and cracking tube cracking system
CN205974392U (en) Junked tire pyrolysis and cracking system
CN205974393U (en) Junked tire pyrolysis and pyrolysis tube cracking system
CN205974388U (en) Oil shale pyrolysis and catalytic cracking system
CN206051934U (en) One kind is from dedusting type refuse pyrolysis and cracking system
CN106987280A (en) A kind of system and method for fluid bed refuse pyrolysis
CN205974398U (en) Junked tire pyrolysis and catalytic cracking system
CN206051938U (en) One kind is from dedusting type biomass pyrolytic and cracking system
CN106047382B (en) One kind is from dedusting type refuse pyrolysis and cracking system
CN206051946U (en) One kind is from dedusting type oil shale pyrolysis and catalytic cracking system
CN206051942U (en) It is a kind of to be pyrolyzed from dedusting moulded coal and crack aerogenesis joint gas power generation system
CN205974363U (en) Garbage pyrolytic and cracking system
CN205974382U (en) Produce syngas system from pyrolysis of dust removal moulded coal and schizolysis
CN206143120U (en) From pyrolysis of dust removal type and cracking reactor
CN205974364U (en) Garbage pyrolytic and pyrolysis tube cracking system
CN205974370U (en) Living beings pyrolysis and pyrolysis tube cracking system
CN105925293B (en) One kind is pyrolyzed from dedusting type waste tire and cracking system
CN205979805U (en) Garbage pyrolytic and catalytic cracking system
CN205974387U (en) Oil shale pyrolysis and pyrolysis tube system
CN205974389U (en) Heat accumulation formula removes bed pyrolysis and cracking reactor
CN205974369U (en) Living beings pyrolysis and cracking system
CN205974386U (en) Oil shale pyrolysis and cracking system
CN205974443U (en) Gas combination gas electricity generation system is produced in pyrolysis of coal and pyrolysis tube schizolysis

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155

Patentee after: Shenwu science and technology group Limited by Share Ltd

Address before: 102200 Beijing city Changping District Machi Town cow Road No. 18

Patentee before: Beijing Shenwu Environment Energy Technology Group Co., Ltd.

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Self-dust-removal type pyrolyzing and cracking system for waste tires

Effective date of registration: 20180322

Granted publication date: 20170503

Pledgee: The Bank of Beijing Limited by Share Ltd Anwar Road Branch

Pledgor: Shenwu science and technology group Limited by Share Ltd

Registration number: 2018990000210

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20170503

Effective date of abandoning: 20180713