CN206204225U - A kind of low temperature continuous pyrolysis process damaged tire fixed bed reactors - Google Patents
A kind of low temperature continuous pyrolysis process damaged tire fixed bed reactors Download PDFInfo
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- CN206204225U CN206204225U CN201620865016.3U CN201620865016U CN206204225U CN 206204225 U CN206204225 U CN 206204225U CN 201620865016 U CN201620865016 U CN 201620865016U CN 206204225 U CN206204225 U CN 206204225U
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- flitch
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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
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
Abstract
The utility model is related to low temperature continuous pyrolysis to process damaged tire fixed bed reactors.The utility model reactor has charging aperture, reative cell, discharging opening, magnetic separator, steel wire conveyer, solid carbon collecting bin, solid steel wire collecting bin, charging aperture is on discharging opening, reative cell includes feed auger, discharging spiral, flitch, flitch includes feed end and discharge end, feed auger is under charging aperture, feed end top, discharging spiral is on discharge end top, discharge end is on discharging opening, feed auger includes center bolt and a left side, right-hand screw blade, it is left, right-hand screw blade is crossed by center bolt, and perpendicular to center bolt center line into axial symmetry, distance is the 1/3~1/2 of charging aperture bore between the two；The solid residue entrance connection discharging opening of magnetic separator, solid carbon outlet connection solid carbon collecting bin, solid steel wire outlet connects solid steel wire collecting bin by steel wire conveyer.The utility model can realize the continuous processing of damaged tire, easy to operate, high financial profit.
Description
Technical field
The utility model is related to damaged tire process field, more particularly to a kind of low temperature continuous pyrolysis fixed bed reactors, and
Using the reactor for treatment damaged tire.
Background technology
The long-term outdoor storage of damaged tire, takes a large amount of soils, and produce toxic and harmful, it is difficult to biodegradable, sternly
Heavily contaminated environment.At present, damaged tire utilization ways are mainly including renovation, reclaimed rubber, rubber powder, heat energy utilization and pyrolysis etc., wherein
Pyrolysismethod causes extensive concern with its resource recovery higher and relatively low secondary pollution.
Pyrolytic technique is that organic matter is heated into 500~1000 DEG C in the state of anaerobic or anoxic, makes solid waste
In organic matter be converted into the depot energy based on combustion gas, fuel oil and pyrolytic carbon.Reducing atmosphere under anoxia condition, can
Mitigate the secondary pollutions of the harmful components to environment such as sulphur, nitrogen, heavy metal, without expensive air-washer in technique.
Waste tyre pyrolytic can completely be cracked into the products such as carbon black, pyrolysis oil and gas.Carbon black can take turns as production again
The carbon black source of tire, or as the raw material of stamping ink, or the Viability charcoal of its activating conversion is used at exhaust-gas treatment or municipal sewage
Reason, or reinforcing agent is savored as glue such as conveyer belt, boots, purposes is quite varied.Tire pyrolysis oil can fire as conventional liquid
Material oil is used, or is used in mixed way with heavy diesel fuel, to improve its atomizing effect.In addition, the calorific value and heavy diesel fuel phase of tire pyrolysis oil
When by that can be used as heavy diesel fuel after simple process.Coal gas is due to high heating value, can be used as fuel, and it is rich in
H2And CH4Deng industrial chemicals, can be used as material gas.
Prior art CN103589445A discloses a kind of innoxious continuous pyrolysis device of scrap tire powder.The characteristics of device
It is that bottom is provided with charging aperture, and top is provided with discharging opening in powder screw conveyer tendency；Preheating chamber is communicated with burning
Room, is horizontally arranged with some side by side up and down and head and the tail connection preheating screw conveyer in preheating chamber, the preheating screw at top is defeated
Send machine to be connected with the discharging opening of powder screw conveyer, meet feed needs.The utility model environmental protection, production efficiency is high, can be real
Existing continuous production, energy saving.But treating capacity is limited by conveying worm, it is difficult to realize maximization, pyrolytic process temperature
Control is difficult, and product dustiness is high, and damaged tire need to be milled as powder isolates steel wire, prevents it from being wound with conveying worm, leads
Cause program is complicated, and investment is high.
Prior art CN102559222A discloses a kind of method that low temperature distillation stove is pyrolyzed material.The method for pyrolysis is used
Horizontal gas retort, before pyrolysis starts each time, is first needed to stop to reactor heat supply, and reaction is unloaded after question response device cooling down
Device fire door or bell, the solid product of a collection of pyrolysis residual is, it is necessary to artificial to addition next batch heat in reactor before taking-up
The material of solution.Therefore the method cannot realize material it is hot under the conditions of continuous feeding and discharging, it is unreal without automatic distributing and discharging functions
Existing high temperature pyrolysis fixed gas is used for providing heat certainly.Input and output material process need to rise gentle cooling to reactor, reduce the place of device
Reason ability and efficiency, increased fault rate.
Utility model content
In view of the deficiencies in the prior art, the utility model is directed to a kind of damaged tire treatment reactor, reactor fortune
Row stabilization, it is easy to operate, the pyrolysis processing of batch can be carried out to material, again can under the conditions of hot continuous feeding and discharging, can fill
Divide solid carbon, steel wire, the oil gas recycled in thermal decomposition product, high financial profit.
The utility model proposes a kind of low temperature continuous pyrolysis treatment damaged tire fixed bed reactors, the reactor has
Charging aperture, reative cell, discharging opening, magnetic separator, steel wire conveyer, solid carbon collecting bin, solid steel wire collecting bin, the charging aperture
Horizontal level it is higher than the horizontal level of the discharging opening；
There is feed auger, discharging spiral, flitch, the flitch includes feed end and discharge end, institute in the reative cell
State feed auger to be arranged under the charging aperture, positioned at the feed end top；The discharging spiral is arranged on the discharging
End top, the discharge end is located on the discharging opening；
The feed auger includes center bolt, left-hand screw blade, right-hand screw blade；The center bolt crosses the left side
Helical blade and right-hand screw blade, the left-hand screw blade and right-hand screw blade perpendicular to the center bolt center line into axle
Symmetrically, distance between the two is the 1/3~1/2 of the charging aperture bore；
There is the magnetic separator solid residue entrance, solid carbon outlet, solid steel wire to export, and the solid residue entrance connects
The discharging opening is connect, the solid carbon outlet connection solid carbon collecting bin, the solid steel wire outlet passes through the steel wire
Conveyer connects the solid steel wire collecting bin.
Further, the vertical range of the lower edge of the left-hand screw blade and right-hand screw blade and the flitch for 50~
150 mm, preferably 100 mm.
Further, the left-hand screw impeller clearance and right-hand screw impeller clearance are placed equidistant.
Further, the left-hand screw impeller clearance and right-hand screw impeller clearance displacement are set.
Further, the magnetic separator includes the milling device of front end and the concentration equipment of rear end.
Further, the feed end and discharge end of the flitch are provided with drive bearing, for driving the flitch continuous
Rotate；The drive bearing has two or more.
Further, the reative cell includes radiant tube；
The radiant tube is heat accumulation type radiant tube, is arranged on the flitch top parallel with the flitch；
Vertical range between the radiant tube and the flitch is 100~450mm, preferably 300 mm.
Further, the reactor also includes housing, and the housing includes reactor wall, support platform, support；
The reactor wall includes furnace roof, side wall, furnace bottom, for sealing the reative cell；
The support platform is arranged under the flitch；
The support is fixed in the support platform, for connecting the drive bearing.
Further, the reative cell includes oil gas vent；
The oil gas vent is arranged on the side wall or furnace roof of the reactor；
Oil gas vent on the side wall is located under the radiant tube；
Oil gas vent and the vertical range of the flitch on the furnace roof are 350~2000mm, preferably 1000 mm.
The utility model is constructed by using unique feed auger, is capable of achieving uniform point of bulk damaged tire on flitch
Cloth.Flitch top has been evenly arranged many radiant tubes, and damaged tire is static relative to flitch and radiant tube in pyrolytic process, can protect
Demonstrate,prove its thermally equivalent.
During pyrolysis processing, by flitch, feed auger, the joint operation of discharge spiral, magnetic separator, can not stop
Under conditions of stove, the continuous feed and discharging of reactor are realized, and the classification of thermal decomposition product is reclaimed.Also, thermal decomposition product contains
Dust quantity is low, can improve the energy efficiency and economic benefit of damaged tire removal process as industrial chemicals or fuel, therefore have
Larger advantages for development and application prospect.
Brief description of the drawings
Fig. 1 is the left view that low temperature continuous pyrolysis process damaged tire fixed bed reactors.
Fig. 2 is the top view that low temperature continuous pyrolysis process damaged tire fixed bed reactors.
Fig. 3 is the front view that low temperature continuous pyrolysis process damaged tire fixed bed reactors.
Reference in accompanying drawing is as follows：
1- housings；
2nd, 2a, 2b, 2c- radiant tube；
3- center bolts；3a- discharging spirals；3b- feed augers；
4- flitch；
5- feeding warehouses；5a- charging apertures
6- push-pull valves；
7- supports；
8- reative cells；
9- drive bearings；
10- substrates；
11- support platforms；
12- oil gas vents；
13- magnetic separators；13a- discharging openings；
14- steel wire conveyers；
15- storage bins；15a- solid carbon collecting bins；15b- solid steel wire collecting bins.
Specific embodiment
Below in conjunction with drawings and Examples, specific embodiment of the present utility model is described in more details, with
Just better understood when the advantage of scheme of the present utility model and its various aspects.However, specific implementations described below side
Formula and embodiment are only descriptive purposes, rather than to limitation of the present utility model.
Low temperature continuous pyrolysis treatment damaged tire fixed bed reactors in the utility model embodiment include four parts：Enter
Material system, reaction system, discharge system, housing.The left view of the fixed bed reactors shown respectively below in conjunction with Fig. 1, Fig. 2, Fig. 3
Figure, top view, front view, illustrate to the structure and its relation between four parts.
1. housing：As shown in Figure 1, the housing 1 of fixed bed reactors includes that reactor wall, support 7, substrate 10, support are flat
Platform 11.
Reactor wall includes furnace roof, side wall, furnace bottom, for sealing whole reative cell 8 so that the reaction gas in reative cell 8
Atmosphere is sufficiently spaced from ambient atmosphere.Multiple oil gas vents 12 can be set on side wall and furnace roof, produced for discharging in reative cell 8
Pyrolysis oil gas.2 oil gas vents are provided with the utility model embodiment on the wall of side, 1 oil gas is provided with furnace roof
Outlet, its position can directly affect flow direction and the residence time of gas in reative cell 8.
2. feed system：As shown in Fig. 1 and Fig. 3, feed system from top to bottom successively include feeding warehouse 5, push-pull valve 6,
Charging aperture 5a.
3. discharge system：As shown in Figure 1, discharge system is made up of discharging opening 13a, magnetic separator 13, storage bin 15.And by scheming
The top view of 2 reactors is visible, and discharge system also includes steel wire conveyer 14, and storage bin 15 is by solid carbon collecting bin
15a and solid steel wire collecting bin 15b compositions.
Magnetic separator 13 has solid residue entrance, solid carbon outlet, the outlet of solid steel wire, solid residue entrance and discharging opening
13 connections, solid carbon outlet is connected with solid carbon collecting bin 15a, and the outlet of solid steel wire is connected with one end of steel wire conveyer 14,
The other end of steel wire conveyer 14 is connected with solid steel wire collecting bin 15b.
Discharging opening 13a is both provided with feeding chute under charging aperture 5a, for the charging and discharging of reactor.
4. reaction system：As shown in Figure 1, reaction system includes reative cell 8, for the pyrolysis processing of block damaged tire.By
Fig. 3 is visible, and the bottom of reative cell 8 is provided with flitch 4, on support platform 11, for the ease of description, by flitch 4
Two ends are respectively designated as feed end and discharge end.As seen from Figure 1, discharge end is connected by discharging opening 13a with magnetic separator 13.By scheming
1, it is respectively provided with a drive bearing 9 in feed end and discharge end.One end of support 7 is fixed in support platform 11, the other end
Connection drive bearing 9.One is driving wheel in drive bearing 9, and one is driven pulley, the continuous rotation for driving flitch 4.Root
According to needs, several driven pulleys can be set in the interlude of flitch 4, driven pulley upper end contacts with flitch 4 and plays a supporting role, under
End is fixed in support platform 11.
As shown in Figure 1, feed auger 3b is arranged on the top of the feed end of flitch 4, under charging aperture 5a；Discharging spiral
3a is arranged on the top of the discharge end of flitch 4, and discharge end is located on discharging opening 13a.In the utility model embodiment, charging
Level-sensing device is additionally provided between spiral 3b and push-pull valve 6.
As shown in Fig. 2 and Fig. 3, feed auger 3b and discharging spiral 3a are constituted by helical blade and center bolt 3, center
Screw rod 3 crosses helical blade.In the utility model embodiment, the gap between helical blade is placed equidistant, its lower edge with material
The vertical range of plate 4 is 50~150 mm, and wherein preferred distance is 100 mm.
In other embodiments, the gap between helical blade by the way of displacement setting, and can be close to center section
Helical blade gap-ratio center bolt two ends helical blade gap is small so that distribution of the material on flitch 4 is more uniform.
As shown in Figure 2, feed auger 3b is located under charging aperture 5a, and helical blade includes left-hand screw blade and right-hand screw leaf
Piece, center bolt 3 crosses left-hand screw leaf and right-hand screw blade.Left-hand screw blade and right-hand screw blade are perpendicular to center bolt 3
Center line is into axial symmetry.In the utility model, the distance between left-hand screw blade and right-hand screw blade are charging aperture 5a bores
1/3~1/2.
In the utility model embodiment, the special tectonic of feed auger 3b so that block damaged tire is from feed auger 3b's
Center section is to two end motions, it is possible to reduce material and realizes material on flitch 4 wider with the operating distance of feed auger 3b
Be uniformly distributed, preferred embodiment is using single feed auger.
In other embodiments, deflector can be set up at the feeding chute of charging aperture 5a, contributes to uniform point of material
Cloth, is particularly suited for distribution of the frictional resistance than larger block damaged tire.
As shown in Figure 2,3 radiant tubes are provided with reative cell 8, respectively 2a, 2b, 2c, are denoted as in Fig. 1 and Fig. 3
Radiant tube 2.In other embodiments, the quantity of radiant tube 2 can be any amount in addition to 3.
As shown in Figure 1, radiant tube 2 is evenly arranged in reative cell 8, and parallel with flitch 4, the oil gas vent 12 on the wall of side
Under radiant tube 2.Radiant tube 2 is as far as possible small with the distance between the block damaged tire of arrangement on flitch 4, and it is apart from flitch
4 vertical height is 100~450mm, is 300 mm in the utility model embodiment.The oil gas vent 12 set on furnace roof and material
The vertical range of plate 4 is 350~2000mm, is 1000 mm in the utility model embodiment.
The preferred square reactor of the utility model embodiment, is also designed to cylindrical reactor or other shapes of
Reactor.Using the structure of square reactor advantageously in the setting of radiant tube 2, so that material is heated evenly, it is ensured that
It is pyrolyzed the uniform generation and flowing of oil gas.
Process flow using the utility model treatment damaged tire is as follows：
1. ingredient requirement
The fixed bed reactors of the utility model embodiment, without strict demand, are imitated to raw material in order to reach pyrolysis higher
Rate, from the block damaged tire that particle diameter is 120 below ㎜.
2. fill process
Push-pull valve 6 is closed, damaged tire is transported in feeding warehouse 5 after being broken for bulk, first.Can be set in feeding warehouse 5
Stirring rod, the fluffy material phenomenon for preventing material.Open push-pull valve 6, block damaged tire under gravity, via charging aperture 5a
The feeding chute at place enters the middle part of the leading portion of reative cell 8.
Block damaged tire is continuously conveyed to the center section of feed auger 3b, along material in the presence of feed auger 3b
The both sides of plate 4 are uniformly distributed.Flitch 4 can drive block damaged tire to be fed forward under the operating of drive bearing 9, make whole
The uniform cloth full with substance of flitch 4.
Level-sensing device can be used to detect the height of materials for entering reative cell 8, so that single inlet amount is controlled, also can be by regulation
Feed auger 3b, changes the distributed effect of block damaged tire on flitch 4.
Inert gas access port can be set at push-pull valve 6, block damaged tire is added in push-pull valve 6 is opened to reactor
When, it is passed through inert gas.Inert gas may be selected nitrogen, or be other non-oxidizing gas, meet pyrolytic reaction in reative cell 8
Anoxybiotic requirement.
The utility model fixed bed reactors can be by the way of single charging, also can be by the way of continuous feed.When
When the inventory of required treatment is smaller, can be operated using the fixed bed reactors in the utility model embodiment.If place
The inventory of reason is larger, can increase the area of flitch 4, and the continuous rotation of flitch 4 is kept during pyrolytic reaction, material is existed
Pyrolytic reaction is completed on flitch 4 from feed end to discharge end, it is ensured that the continuity of charging and discharging.
3. entry level
In order to ensure the continuity of waste tyre pyrolytic in reative cell 8, the single material storage storage of feeding warehouse 5 must not be less than material
The single material abundance of plate 4.During pyrolytic reaction, a certain amount of block damaged tire raw material is stored in feeding warehouse 5, protected
The height of material is 150~300 mm on card flitch 4.
4. pyrolytic reaction condition
The pyrolytic reaction occurred in the fixed bed reactors is carried out in the range of 350~1200 DEG C.The useless wheel of bulk
Tire is entered after reative cell 8 by charging aperture 5a, and by the radiant heat transfer of radiant tube 2, progressively heat up pyrolysis, is dried first de-
Water, then devolatilization, generation pyrolysis oil gas product and hot solid residue product, contain a certain amount of in solid residue product
Steel wire, and contain a certain amount of non-volatile organic principle.Carry out Industrial Analysis by solid residue, measure this it is organic into
The content divided is no more than 10wt% (wt% is weight content).
To control reative cell 8 to be in anoxybiotic atmosphere during pyrolytic reaction, and maintain pressure in the range of -1~3kPa.
5. mode of heating
The mode of heating of the fixed bed reactors may be selected Electric heating, fuel mode of heating, high-temperature plasma and add
Hot mode etc., the mode of heating of the preferred heat accumulation type radiant tube of the utility model embodiment, meet in device combustion heating system with
The isolation of material pyrolysis system.
In 20~60 DEG C/min, the different temperature rise periods select different heating rates for the heating rate control of radiant tube 2, when
When temperature of charge is less than 280 DEG C, the heating rate of radiant tube 2 is controlled in 40~60 DEG C/min；When temperature of charge is 280~450
DEG C when, the heating rate of radiant tube 2 is controlled in 20~40 DEG C/min；When temperature of charge is more than 450 DEG C, the intensification of radiant tube 2
Speed control is in 20~60 DEG C/min.
6. the collection of discharging process and solid residue
Start discharging spiral 3a while feed auger 3b is started, under the operating of discharging spiral 3a, after pyrolytic reaction
Solid residue via the feeding chute at discharging opening 13a by solid residue entrance enter magnetic separator 13 in.
Solid residue is first transported in the milling device of the front end of magnetic separator 13, and carbon black therein and steel wire are ground
Mill, subsequently into the concentration equipment of rear end, is sufficiently separated out carbon black and steel wire.Carbon black exports fortune via the solid carbon of magnetic separator 13
Deliver to storage in solid carbon collecting bin 15a.Steel wire is transported in steel wire conveyer 14 via the solid steel wire outlet of magnetic separator 13,
Wash the carbon black for removing Steel Wire Surface with water on steel wire conveyer 14, then carry it into solid steel wire collecting bin 15b pressure
Block is stored.
The discharging process can meet flitch 4 while block damaged tire is uniformly distributed, to last reacted solid
Residue is discharged, so that the continuity for being fed in ensureing reactor and being discharged.
7. it is pyrolyzed the recycling of oil gas
The pyrolysis oil gas produced in the utility model embodiment is quickly discharged by oil gas vent 12, into condenser system
Pyrolysis oil gas is condensed, more pyrolysis oil is obtained, one or more oil gas vents 12 can be as needed opened.
During pyrolytic reaction, residence time of the pyrolysis oil gas in reative cell 8 is shortened as far as possible, it is to avoid the two of pyrolysis oil gas
Secondary cracking, improves the yield of pyrolysis oil.The pyrolysis gas for obtaining can be introduced directly into heat accumulating type and radiate as thermal source by conveyance conduit
In the burner of pipe, burnt for it as the thermal source of radiant tube, there is provided the heat needed for reaction.
The block damaged tire of the upper epidermis of flitch 4 is first pyrolyzed, and is pyrolyzed after lower floor.The heat that lower floor's material pyrolysis is produced
Solution oil gas first passes through the carbon residue produced after the material pyrolytic reaction on its upper strata, i.e., the pyrolysis that the carbon residue on upper strata can be passed through to lower floor
Oil gas plays a part of filtering, reduces the dustiness of pyrolysis oil gas.By filtration, the charcoal in sub-cloud pyrolysis oil gas can be removed
Grain, drop, pollutant etc..
Damaged tire device is recycled when the fixed bed reactors are used as resource, the oil in raw material is especially extracted
When, gas purge system can be set up in pyrolysis gas discharge back segment, improve the quality of pyrolysis gas.
The fixed bed reactors are 1.5~5h from the required time that discharges is fed to after completion pyrolytic reaction, and the time can be received
The influence of physical property, single or continuous feed amount, heating rate to damaged tire etc..
One of the fixed bed reactors of the utility model embodiment and difference of conventional fixed bed reactor are：This practicality
New fixed bed reactors, without being lowered the temperature, just can carry out the useless wheel of next group after the damaged tire for having processed single batch
The charging of tire and the discharging of last consignment of solid residue.Therefore, the radiant tube 2 in the utility model reactor need to only feed first
Shi Jinhang goes into operation igniting, in ensuing whole continuous running, need to only maintain the normal heating temperature of radiant tube 2 i.e.
Can.Thus, in reactor running, it is to avoid because charging each time and discharging are gently lowered the temperature to the liter of reactor, drop
Low equipment failure rate；The two of difference are：Fixed bed reactors of the present utility model can by control feed auger 3b, flitch 4,
Exploitation speed between discharging spiral 3a, realizes continuous charging and discharging in pyrolytic process.
Therefore, reactor of the present utility model can both have been realized continuously running production, and floor space has been saved again, especially suitable
Invested to build and produced in the on-site in construction limited area.
Embodiment
(analyze data of damaged tire is shown in Table to provide the block damaged tire sample that granularity is 20mm~100mm by Yancheng, Jiangsu Province
1).Material is first stored in feeding warehouse 5, open feeding warehouse 5 in agitator after open push-pull valve 6, material under gravity,
It is slipped to from the feeding chute of the lower end of feeding warehouse 5 in reative cell 8.
Under feed auger 3b rotations and under drive bearing 9 drives, while material is uniformly distributed on flitch 4, to going out
Material end moves horizontally, the speed of control feed auger 3b and drive bearing 9, makes material thickness on flitch 4 be 240mm.Treat whole
After flitch 4 is covered with block damaged tire, push-pull valve 6 is closed.Radiant tube combustion system is opened, when temperature of charge is less than 280 DEG C, control
The heating rate of radiant tube processed 2 is 60 DEG C/min；When temperature of charge be higher than 280 DEG C when, control the heating rate of radiant tube 2 be 30 DEG C/
Min, the pyrolysis oil gas of generation enters condenser system by oil gas vent 12, and pyrolysis oil is reclaimed in condensation.Uncooled pyrolysis gas are straight
Connect and be introduced into radiant tube 2 as fuel combustion.Whole pyrolytic process Stress control is within -500~500Pa.Work as pyrolytic process
Substantially do not produce after pyrolysis oil gas, carry out second lot damaged tire charging, while being carried out to solid residue after last time reaction
Discharging.
Be delivered to solid residue in magnetic separator 13 by discharging spiral 3a, and the milling device for first passing through the front end of magnetic separator 13 is milled
Solid residue, then carbon black and steel wire are isolated by concentration equipment.Carbon black is sent directly into solid carbon collecting bin 15a, and steel wire is transported
To steel wire conveyer 14, the process water is washed away except the carbon black on steel wire top layer, is then sent to be pressed in solid steel wire collecting bin 15b
Block is stored.Whole process keeps the continuity of charging and discharging.
Process described in the utility model embodiment can long-term smooth operation, resulting more stable thermal decomposition product
Yield is shown in Table 2, and table 3 is the composition of resulting carbon black product.
The damaged tire analysis result of table 1
The thermal decomposition product data result of table 2
| Project | Pyrolysis oil | Pyrolysis gas | Steel wire | Carbon black |
| Yield (%) | 42 | 12.0 | 9.2 | 36 |
The carbon black of table 3 is constituted
| Project | Volatile matter | Ash content | Fixed carbon |
| Yield (%) | 1.80 | 13.76 | 83.80 |
(remarks：MadRepresent air-dried moisture, AadRepresent empty dry basis ash content, VadRepresent empty butt volatile matter, FCadRepresent empty
Butt fixed carbon, St,adRepresent empty butt sulphur, CadRepresent empty butt carbon, HadRepresent empty butt hydrogen, QNet.arUnit be MJ/
Kg, % are mass percent.Pyrolysis oil described in the embodiment is tar, and the pyrolysis gas are purified gas.)
Process described in the utility model can long-term smooth operation, equipment failure rate is extremely low.
It should be noted that each embodiment above by reference to described by accompanying drawing is only used to illustrate the utility model rather than limit
Scope of the present utility model is made, it will be understood by those within the art that, do not departing from spirit of the present utility model and model
The modification carried out to the utility model on the premise of enclosing or equivalent, all should cover within the scope of the utility model.
Additionally, signified outer unless the context, the word for occurring in the singular includes plural form, and vice versa.In addition, removing non-specifically
Explanation, then all or part of of any embodiment can combine all or part of of any other embodiment and use.
Claims (11)
1. a kind of low temperature continuous pyrolysis process damaged tire fixed bed reactors, and the reactor has charging aperture, reative cell, discharging
Mouth, magnetic separator, steel wire conveyer, solid carbon collecting bin, solid steel wire collecting bin, the horizontal level of the charging aperture than described in go out
The horizontal level of material mouth is high；
In the reative cell have feed auger, discharging spiral, flitch, the flitch include feed end and discharge end, it is described enter
Material spiral is arranged under the charging aperture, positioned at the feed end top；The discharging spiral is arranged on the discharge end
Portion, the discharge end is located on the discharging opening；
The feed auger includes center bolt, left-hand screw blade, right-hand screw blade；The center bolt crosses the left-hand screw
Blade and right-hand screw blade, the left-hand screw blade and right-hand screw blade perpendicular to the center bolt center line into axle pair
Claim, distance between the two is the 1/3~1/2 of the charging aperture bore；
The magnetic separator includes the milling device of front end and the concentration equipment of rear end, and there is solid residue entrance, solid carbon to go out for it
Mouth, the outlet of solid steel wire, the solid residue entrance connect the discharging opening, the solid carbon outlet connection solid carbon receipts
Ji Cang, the solid steel wire outlet connects the solid steel wire collecting bin by the steel wire conveyer.
2. reactor according to claim 1, it is characterised in that the lower edge of the left-hand screw blade and right-hand screw blade
It is 50~150 mm with the vertical range of the flitch.
3. reactor according to claim 1, it is characterised in that the lower edge of the left-hand screw blade and right-hand screw blade
It is 100 mm with the vertical range of the flitch.
4. reactor according to claim 1, it is characterised in that the left-hand screw impeller clearance and right-hand screw impeller clearance
It is placed equidistant.
5. reactor according to claim 1, it is characterised in that the left-hand screw impeller clearance and right-hand screw impeller clearance
Displacement is set.
6. reactor according to claim 1, it is characterised in that the feed end and discharge end of the flitch are provided with transmission
Bearing, for driving the flitch continuously to rotate；The drive bearing has two or more.
7. reactor according to claim 6, it is characterised in that the reative cell includes radiant tube；
The radiant tube is heat accumulation type radiant tube, is arranged on the flitch top parallel with the flitch；
Vertical range between the radiant tube and the flitch is 100~450mm.
8. reactor according to claim 7, it is characterised in that the vertical range between the radiant tube and the flitch
It is 300 mm.
9. reactor according to claim 7, it is characterised in that also including housing, the housing includes reactor wall, branch
Support platform, support；
The reactor wall includes furnace roof, side wall, furnace bottom, for sealing the reative cell；
The support platform is arranged under the flitch；
The support is fixed in the support platform, for connecting the drive bearing.
10. reactor according to claim 9, it is characterised in that the reative cell includes oil gas vent；
The oil gas vent is arranged on the side wall or furnace roof of the reactor wall；
Oil gas vent on the side wall is located under the radiant tube；
Oil gas vent and the vertical range of the flitch on the furnace roof are 350~2000mm.
11. reactors according to claim 10, it is characterised in that oil gas vent and the flitch on the furnace roof
Vertical range is 1000 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620865016.3U CN206204225U (en) | 2016-08-10 | 2016-08-10 | A kind of low temperature continuous pyrolysis process damaged tire fixed bed reactors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620865016.3U CN206204225U (en) | 2016-08-10 | 2016-08-10 | A kind of low temperature continuous pyrolysis process damaged tire fixed bed reactors |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111187635A (en) * | 2020-03-05 | 2020-05-22 | 河南伊克斯达再生资源有限公司 | Carbon black and steel wire separation device, separation method and thermal cracking system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111187635A (en) * | 2020-03-05 | 2020-05-22 | 河南伊克斯达再生资源有限公司 | Carbon black and steel wire separation device, separation method and thermal cracking system |
| CN111187635B (en) * | 2020-03-05 | 2023-08-04 | 河南伊克斯达再生资源有限公司 | Carbon black and steel wire separating device, separating method and thermal cracking system |
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Address after: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Patentee after: Shenwu Technology Group Co.,Ltd. Address before: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Patentee before: BEIJING SHENWU ENVIRONMENT AND ENERGY TECHNOLOGY Co.,Ltd. |
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Denomination of utility model: Fixed bed reactor for low-temperature continuous pyrolysis treatment of waste tires and method Effective date of registration: 20180322 Granted publication date: 20170531 Pledgee: The Bank of Beijing Limited by Share Ltd. Anwar Road Branch Pledgor: Shenwu Technology Group Co.,Ltd. Registration number: 2018990000210 |
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