CN106433726A - Waste tire treatment system and treatment method - Google Patents
Waste tire treatment system and treatment method Download PDFInfo
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- CN106433726A CN106433726A CN201611097363.7A CN201611097363A CN106433726A CN 106433726 A CN106433726 A CN 106433726A CN 201611097363 A CN201611097363 A CN 201611097363A CN 106433726 A CN106433726 A CN 106433726A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000010920 waste tyre Substances 0.000 title claims abstract description 10
- 238000000197 pyrolysis Methods 0.000 claims abstract description 100
- 239000000843 powder Substances 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 51
- 239000000463 material Substances 0.000 claims description 35
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 21
- 239000007921 spray Substances 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 9
- 239000003546 flue gas Substances 0.000 claims description 9
- 239000011230 binding agent Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 230000004927 fusion Effects 0.000 claims description 8
- 238000007885 magnetic separation Methods 0.000 claims description 8
- 239000006148 magnetic separator Substances 0.000 claims description 7
- 238000009987 spinning Methods 0.000 claims description 7
- 238000003723 Smelting Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 235000019738 Limestone Nutrition 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000006028 limestone Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 230000026676 system process Effects 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000005507 spraying Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract 1
- 235000011941 Tilia x europaea Nutrition 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000004571 lime Substances 0.000 abstract 1
- 230000008569 process Effects 0.000 description 18
- 238000007599 discharging Methods 0.000 description 13
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 10
- 239000002826 coolant Substances 0.000 description 7
- 239000000428 dust Substances 0.000 description 7
- 239000005997 Calcium carbide Substances 0.000 description 6
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 5
- 235000012255 calcium oxide Nutrition 0.000 description 5
- 239000000292 calcium oxide Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000571 coke Substances 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 241001062472 Stokellia anisodon Species 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- RSWGJHLUYNHPMX-ONCXSQPRSA-N abietic acid Chemical group C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C(O)=O RSWGJHLUYNHPMX-ONCXSQPRSA-N 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/07—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of solid raw materials consisting of synthetic polymeric materials, e.g. tyres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/12—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/10—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1003—Waste materials
-
- 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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a waste tire treatment system and treatment method. The system comprises a rapid pyrolysis reactor, a fusing forming device, a two-stage cyclone separator and a spraying tower, wherein the rapid pyrolysis reactor is provided with a pyrolysis raw material inlet, a pyrolyzed oil gas outlet and a semicoke outlet; the fusing forming device is provided with a semicoke inlet, a lime powder inlet, an adhesive inlet and a formed ball outlet, the semicoke inlet is connected with the semicoke outlet of the rapid pyrolysis reactor; the two-stage cyclone separator is provided with a pyrolyzed oil gas inlet and a purified oil gas outlet; the pyrolyzed oil gas inlet is connected with the pyrolyzed oil gas outlet of the rapid pyrolysis reactor; the spraying tower is provided with a purified oil gas inlet, a pyrolyzed oil outlet and a pyrolyzed gas outlet; the purified oil gas inlet is connected with the purified oil gas outlet of the two-stage cyclone separator. The waste tire treatment system comprehensively considers the value of a waste tire, makes use of the value of the waste tire to the maximum extent and greatly increases the economical benefit.
Description
Technical field
The present invention relates to tire tread pyrolysis, and in particular to a kind of waste tire treatment system and processing method.
Background technology
With the fast development of China's economy and the generally raising of living standards of the people, automobile has stepped into people's
Among daily life, substantial amounts of junked tire is thereby produced.China tire yield up to 2.8 hundred million in 2006, occupies the world the
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 mosquito antibacterial is grown, spreads disease, residents ' health, and pole fire hazardous is endangered, causes environmental pollution.To waste and old
Tire is recycled, then not only can alleviate its pressure to environment, reduces pollution, the efficient recovery of more achievable resource
Utilize.
Content of the invention
The present invention devises the pyrolytic process that a kind of new junked tire is processed, and has considered the valency of damaged tire product
Value, the maximized value that make use of junked tire, drastically increase economic benefit.
Present invention firstly provides a kind of waste tire treatment system, the system includes：
Fast pyrolysis reactor, with pyrolysis feed entrance, pyrolysis oil gas vent and semicoke outlet；
Fusion shaped device, exports with semicoke entrance, pulverized limestone entrance, binding agent entrance and type ball, and the semicoke enters
Mouth is connected with the semicoke outlet of the fast pyrolysis reactor；
Two stage cyclone separator, with pyrolysis oil gas entrance and net oil gas vent, the pyrolysis oil gas entrance is fast with described
The pyrolysis oil gas vent of fast pyrolysis reactor is connected；
Spray column, with absolute oil gas entrance, pyrolysis oil export and pyrolysis gas outlet, the absolute oil gas entrance and the two-stage
The net oil gas vent of cyclone separator is connected；
The fast pyrolysis reactor includes reactor body, radial canal and multiple metal baffle components；The radial canal
Cross sectional shape be circle, the radial canal is arranged in the reactor body along the profile multilayer of the reactor；Institute
Stating metal baffle component includes horizontal baffle and swash plate, and the horizontal baffle is below the swash plate；The one of the horizontal baffle
End is connected with the medial wall of the reactor body respectively with one end of the swash plate, the other end of the horizontal baffle and described
The other end of swash plate is connected and forms 20 ° -45 ° of angle.
In one embodiment of the invention, the system also includes carbide smelting device, the carbide smelting device
Export with type ball entrance and carbide, the type ball entrance is connected with the type ball outlet of the fusion shaped device.
In one embodiment of the invention, the system also includes：
Cutting machine, with cutting material entrance and cutting material outlet,
Spinning machine, with the material entrance that reels off raw silk from cocoons, reel off raw silk from cocoons material outlet and steel wire outlet, material entrance and the cutting machine of reeling off raw silk from cocoons
Cutting material outlet be connected；
Pulverizer, exports with crushed material entrance, crushed material, and the crushed material entrance is connected with the material outlet of reeling off raw silk from cocoons；
Magnetic separator, with magnetic separation material entrance, the outlet of magnetic separation material and iron powder outlet, the magnetic separation material entrance and the pulverizer
Crushed material outlet be connected, magnetic separation material outlet is connected with the pyrolysis feed entrance of the fast pyrolysis reactor.
In one embodiment of the invention, the horizontal length of the horizontal baffle is the reactor body width
1/3-1/2.
In one embodiment of the invention, two neighbouring metal baffle components are oppositely disposed at described anti-
Answer on the both sides side wall of device body.
Invention further provides a kind of method that utilization said system processes junked tire, methods described includes as follows
Step：
Prepare the tire tread of strip or bulk；
The tire tread is sent in the fast pyrolysis reactor and is pyrolyzed, obtain semicoke and pyrolysis oil gas；
The semicoke and pulverized limestone, binding agent are sent into compressing, preparative ball after the fusion shaped device mixes；
The pyrolysis oil pneumatic transmission is entered the cyclone separator solid impurity is removed, be then re-fed into spray column circulation
Chilling spray, isolated pyrolysis oil and pyrolysis gas.
In one embodiment of the invention, the type ball is smelted, is prepared carbide.
In one embodiment of the invention, at a temperature of 1300 DEG C -1700 DEG C, the type ball is smelted.
In one embodiment of the invention, the length of the tire tread is 1mm-10mm.
In one embodiment of the invention, the tire tread can also produce flue gas in pyrolysis, use the flue gas
Dry the tire tread for entering the fast pyrolysis reactor.
The present invention is using heat accumulation type radiant tube as heating source, and without heat carrier, technological process has obtained great simplification.
Cooling down high-temperature semicoke by the way of indirectly cool down, has not only reclaimed the heat of high-temperature semi-coke, has also helped at any time
Carry out discharge and transport and carry out next step process etc..
The pyrolysis oil gas that pyrolysis is obtained has been carried out purifying and being separated into pyrolysis oil and pyrolysis gas by the present invention, is improve
The economic worth of thermal decomposition product.
Additionally, the present invention will also be compressing after the mixing of semicoke, quick lime and binding agent, for smelting carbide, solve
A process difficult problem for semicoke, drastically increases economic benefit.
Description of the drawings
A kind of structural representation of waste tire treatment system that Fig. 1 is provided for one embodiment of the invention；
A kind of process chart of process junked tire system that Fig. 2 is provided for one embodiment of the invention.
In figure：1st, feed hopper；2nd, feeding screw；3rd, heat accumulating type fast pyrolysis reactor；4th, spiral discharging device；5th, follow
Ring pump；6th, one cyclonic cleaner unit；7th, second cyclone dust extractor；8th, spray column；9th, blower fan；10th, oil storage tank；11st, air collector；
12nd, merge shaped device；13rd, closed type calcium carbide furnace；14th, cutting machine；15th, spinning machine；16th, pulverizer；17th, magnetic separator.
Specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in more details, so as to energy
The advantage of the solution of the present invention and its various aspects is enough more fully understood.However, specific embodiments described below and enforcement
Example is only descriptive purpose, rather than limitation of the present invention.
It should be noted that " horizontal baffle " in the present invention refers to the metal baffle that must be horizontal positioned, " swash plate " refers to
It is tilted-putted metal baffle, " radial canal " refers to it must is heat accumulating type no heat carrier radial canal.Additionally, term " on ", D score,
The orientation of the instructions such as "left", "right" or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
The present invention is stated, rather than requires that the present invention must be with specific azimuth configuration and operation, it is thus impossible to be interpreted as to the present invention's
Limit.
As shown in figure 1, the tire tread pyrolysis system that the present invention is provided includes：Feed hopper 1, feeding screw 2, accumulation of heat
Formula fast pyrolysis reactor 3 (also abbreviation reactor in the application), spiral discharging device 4, circulating pump 5, one cyclonic cleaner unit 6,
Second cyclone dust extractor 7, spray column 8, blower fan 9, oil storage tank 10, air collector 11, fusion shaped device 12, closed type calcium carbide furnace
13rd, cutting machine 14, spinning machine 15, pulverizer 16, magnetic separator 17.
Feed hopper 1 is with charging aperture and discharging opening.
With reference to Fig. 1, the present invention using heat accumulating type fast pyrolysis reactor 3 include reactor body, radial canal, metal gear
Board component.Radial canal is arranged in reactor body along the profile multilayer of reactor, and metal baffle component is arranged on reactor
On the medial wall of body, reactor body is provided with pyrolysis feed entrance, semicoke outlet, fuel gas inlet, air intake, flue gas
Outlet and pyrolysis oil gas vent, wherein, pyrolysis feed entrance is connected with the discharging opening of feed hopper 1.
The thermal storage type moving bed pyrolysis reactor that the present invention is provided employs heat accumulating type no heat carrier radial canal heating technique,
Without the need for gas, solid heat carrier, the calorific value of pyrolysis gas is improve, the structure of reactor is simple, floor space is little, it is easy to industrialization.Thing
Material is entered in thermal storage type moving bed reactor through feeding screw in feed hopper 1, tire tread in dropping process, with spoke
Penetrate pipe to be fully contacted, in pyrolytic process, tire tread realizes the comprehensive heat exchange of heat conduction, convection current and radiation, the heat transfer speed of tire tread
Rate is more than 500 DEG C/S.
Metal baffle component is made up of horizontal baffle and swash plate, horizontal baffle below swash plate, the one of horizontal baffle
End is connected with the medial wall of reactor body respectively with one end of swash plate, and the other end of horizontal baffle is connected with the other end of swash plate
And form angle.
Tire tread starts to fall, after encountering swash plate, is upspring, then fall again from after charging aperture entrance；Tire tread
Often encounter a swash plate, that is, certain altitude is bound to, its falling speed is reduced, therefore, increased tire tread anti-in pyrolysis
Answer the time of staying in device.Additionally, swash plate also acts as the drainage to tire tread, tire tread is increased in reactor sheet
Internal mobile distance, this can also increase the time of staying of the tire tread in pyrolysis reactor.Horizontal baffle is used for supporting tiltedly
Plate.The heat conductivity of metal is good, can improve the effect of tire tread pyrolysis using metal baffle component.
Therefore, after adding metal baffle component, the height of reactor can reduce.If not changing the height of reactor body,
After adding metal baffle component, the vertical interval of radial canal can be increased, so as to the quantity of radial canal in reactor can be reduced.
With reference to Fig. 1, embodiments in accordance with the present invention, feeding screw 2 between reactor 3 and loading hopper 1, is also associated with,
The semicoke outlet of reactor 3 is connected with spiral discharging device 4.Feed hopper 1 and feeding screw 2 are used for sending into anti-tire tread
Answer in device 3, the solid product that spiral discharging device 4 is produced after being used for being pyrolyzed tire tread is transported to next workshop section.Spiral feeds
Device 2 and spiral discharging device 4 are not necessary device, and visual field condition and specific technique decide whether to add.
Spiral discharging device 4 is also associated with circulating pump 5, with cooling medium in circulating pump 5 and the high temperature that discharges from reactor 3
Semicoke heat exchange, cooling down high-temperature semicoke, and reclaim heat.Circulating pump 5 is nor the necessary device of the present invention, according to circumstances can increase
Subtract.
As shown in figure 1, spiral discharging device 4 is connected with fusion shaped device 12, semicoke, quick lime and binding agent are being fused into
It is pressed molding ball in type device 12 after mix homogeneously, then is sent in closed type calcium carbide furnace 13 and is smelted, prepares carbide.Closed
Formula furnace of calcium carbide 13 is not the necessary device of system, and type ball directly externally can be sold.
When horizontal baffle and swash plate form the concrete angular range of angle for 15 ° -60 °, tire tread is in pyrolysis reactor
Interior fully can be pyrolyzed, will not also be deposited on swash plate 432.Further, it is optimum side that the angular range of angle is 20 ° -45 °
Case.The horizontal length of horizontal baffle is the 1/3-1/2 of the width (width of its inwall) of reactor body.
Metal baffle component can be arranged as required to above or below certain layer of radial canal.Further, metal baffle
The optimal position of component be two-layer radial canal between, and horizontal baffle be located at it below and in its nearest radial canal
The distance of the heart is 1-1.5 times of the radiation pipe diameter.Now, the carbon-containing fuel on swash plate preferably can be pyrolyzed.
In order to increase the time of junked tire pyrolysis to greatest extent, with reference to Fig. 1, neighbouring two metal baffle groups
Part is preferably oppositely disposed at the both sides of reactor body.
Radial canal is the round tube of 200-300mm for nominal diameter, and the level interval of two adjacent radial canals of left and right is
200-400mm, the vertical spacing of two neighbouring radial canals is 500-1200mm.
The height of reactor body is 5-20m, width (width of its inwall) is 2-6m, length (length of its inwall) is
5-15m, in reactor body, the number of plies of radial canal is 10-25 layer.Fuel gas inlet is connected with radial canal respectively with air intake.
As shown in figure 1, pyrolysis oil gas is from top right side portion out, and removed in pyrolysis oil gas using two stage cyclone isolating construction
Solid semicoke, reduce tar dustiness, so as to subsequently can be pyrolyzed oil gas be processed further.Dust arrester shown in Fig. 1
Including two one cyclonic cleaner units 6 and two second cyclone dust extractors 7, dust removal efficiency in cyclone cleaner height, two-stage dedusting energy
Effectively the semicoke in pyrolysis oil gas is removed.Certainly, other dust arresters also can select.
As shown in figure 1, one cyclonic cleaner unit 6 and second cyclone dust extractor 7 are with air inlet, purification oil gas vent and row
Grey mouth, wherein, the air inlet of one cyclonic cleaner unit 6 is connected with the pyrolysis oil gas vent of heat accumulating type fast pyrolysis reactor 3.
Spray column 8 has purification oil gas entrance, pyrolysis oil export and pyrolysis gas outlet；Purify oil gas entrance and one cyclonic
The purification oil gas vent of cleaner unit 6 is connected.As shown in figure 1, spray column 8 is connected with blower fan 9.After high-temperature oil gas cooling, therein
Pyrolysis oil is changed into liquid, from pyrolysis oil export discharge, enters in oil storage tank 10 and stores；Pyrolysis gas are entered in air collector 11 and are stored.
As shown in figure 1, cutting machine 14, spinning machine 15, pulverizer 16 and magnetic separator 17 before feed hopper 1, is additionally provided with, these
Device is not the necessary device of system, can be increased and decreased as needed.
The process chart of the utilization said system pyrolisis of tires tyre surface that Fig. 2 is provided for the present invention.Circle mouth by damaged tire
Cut down, then with spinning machine 15, steel wire therein is removed, the size-reduced machine 16 of tyre surface is ground into 1-10mm strip or bulk.?
Tire tread after process is sent in feed hopper 1 after the iron powder that magnetic separator 17 removes the inside, is sent into through conveying worm 2
In reactor 3.
Heat accumulation type radiant tube is evenly arranged in reactor 3, radial canal Cross section Design is circular, advantageously reduces material
Pile up, realize the uniform in the reactor and whereabouts of material.Material time of staying in pyrolysis reactor is arranged by reactor
Plate washer adjusts the time of staying according to the shape size of arrangement plate washer and angle adjusting.Heat accumulating type taken by radial canal, using spoke
The frequently quickly tangential mode of pipe is penetrated, the temperature difference on single radial canal is not more than 30 DEG C, it is uniform to pyrolysis offer to make it
Stable temperature field.
The pyrolysis oil gas that pyrolysis is produced carries pyrolysis oil gas vent of powder semicoke of the particle diameter less than 0.1mm from reactor 3
Two stage cyclone separator 6 and 7 is entered, fast through cooling medium after the purer pyrolysis oil gas entrance spray column 8 for obtaining after separating
Fast spraying cooling, cooling medium sends into spray column circulating cooling spray through pump 9, and the cooled seizure of oil vapour gets off to be formed pyrolysis
Oil, collects through receiving oil tank 10；It is delivered to air collector 11 from the pyrolysis gas out of spray column 8 and stores.
Semicoke after pyrolysis is discharged by spiral discharging device 4, has recirculated cooling water to carry out partition in the pipe of spiral discharging device 4
Heat exchange is cooled down, and high-temperature semi-coke goes into cold conditions semicoke by circulating cooling medium after being cooled down.
Cold conditions semicoke forms mixture as one of raw material together with powdery quick lime, binding agent, by the mixture for obtaining
Forming processes are carried out, such that it is able to obtain type ball；The type ball for obtaining is added in closed type calcium carbide furnace 13, in 1300-1700
Smelt at a high temperature of DEG C, prepare carbide.
The particle diameter of tire tread for entering in reactor 3 is preferably 1-10mm, too greatly, the effect of pyrolysis bad；It is too little,
Pretreatment is wasted time and energy.
During pyrolisis of tires tyre surface, the tube wall temperature of radial canal is controlled in 550-700 DEG C of scope, tire tread is in reactor
5-10s being stopped from top to bottom in 3, be heated to 550-650 DEG C, is pyrolyzed.Fuel gas inlet and air intake respectively and are radiated
Pipe is connected, in radiation combustion inner pipe, the heat smoke of generation through with air heat-exchange after, be cooled to about 200 DEG C.Heat smoke can be used to do
The dry tire tread for entering reactor 3, further increases reactor efficiency and efficiency of combustion.
Due to per root radial canal can independent temperature control, reactor 3 can be divided into three areas from top to bottom：Drying and dehydrating area, heat
Solution reaction zone, semicoke generate area.By the temperature control in drying and dehydrating area at 700 DEG C or so.Temperature setting by drying and dehydrating area
It is to quickly slough the moisture contained by furnace charge to obtain higher purpose, can additionally reduce drying and dehydrating section length.By heat
The temperature control of solution reaction zone is 500-700 DEG C, the temperature of semicoke maturation zone is 500-600 DEG C.
Below with reference to specific embodiment, the present invention will be described.In following embodiments, institute's taking technique condition value is
Exemplary, its desirable numerical range is as shown in foregoing summary.Detection method used by following embodiments is one's own profession
The detection method of industry routine.
Embodiment
Using the system shown in Fig. 1, junked tire is processed.In reactor 3, horizontal baffle with the angle of swash plate is
25 °, the horizontal length 2m of horizontal baffle, horizontal baffle be located at below it and center away from its nearest radial canal distance
For 450mm, radial canal is round tube of the nominal diameter for 300mm, and the level interval of two adjacent radial canals of left and right is 400mm,
The vertical spacing of two neighbouring radial canals is 1200mm.The height of reactor body is 20m, the width of inwall is 6m, interior
The length of wall is 15m, has 15 layers of radial canal.
Pyrolytic process flow process is as shown in Fig. 2 specific as follows：
The circle mouth of damaged tire is cut down, then with spinning machine 15, steel wire therein is removed, size-reduced 16 powder of machine of tyre surface
Broken, then the iron powder with the removal of magnetic separator 17 the inside, 1-10mm strip or block tire tread is chosen, is sent in feed hopper 1, warp
Feeding screw 2 is sent in reactor 3.
Per the independent temperature control of root radial canal, reactor is provided with three areas from top to bottom：Drying and dehydrating area, pyrolysis reaction region and half
Burnt generation area.Each lead into fuel gas and air toward in radial canal, by the temperature control in drying and dehydrating area 700 DEG C, pyrolysis anti-
Answer the temperature in area in 650 DEG C of control, the temperature control of semicoke maturation zone is at 550 DEG C.Tire tread passes sequentially through dry from top to bottom
Dry drying zone, pyrolysis reaction region and semicoke generate area, complete pyrolytic process.
The pyrolysis oil gas that pyrolysis is produced enters spray through two stage cyclone dedusting, the purer pyrolysis oil gas for obtaining after separating
Spray column circulating cooling spray, oil vapour quilt is sent into through the quick spraying cooling of cooling medium, cooling medium through pump 9 after drenching tower 8
Cooling seizure gets off to form pyrolysis oil, collects through receiving oil tank 10；It is delivered to air collector 11 from the pyrolysis gas out of spray column 8 and stores up
Deposit.
Semicoke after pyrolysis is discharged by spiral discharging device 4, has recirculated cooling water to carry out partition in the pipe of spiral discharging device 4
Heat exchange is cooled down, and high-temperature semi-coke goes into cold conditions semicoke by circulating cooling medium after being cooled down.Cold conditions semicoke is used as one of raw material and powdery
Quick lime, Colophonium form mixture together, and the mixture for obtaining is carried out forming processes, such that it is able to obtain type ball；To obtain
Type ball be added in closed type calcium carbide furnace 13, smelt at a high temperature of 1300 DEG C, prepare carbide.
Pyrolysis can also produce flue gas, and flue gas is discharged outside reactor body from exhanst gas outlet, meeting after flue gas and air heat-exchange
It is cooled to 200 DEG C or so.Flue gas after cooling is used for the tire tread for entering reactor 3 is dry, so can improve further
Reactor efficiency and efficiency of combustion.
The specific technological parameter of the present embodiment asks for an interview table 1.Table 2 is the material balance table of the present embodiment.
1 technological parameter of table
2 material balance table of table
As known from Table 2, the system that the present invention is provided can effective pyrolisis of tires tyre surface.
In summary, the present invention is using heat accumulation type radiant tube as heating source, and without heat carrier, technological process has obtained pole
Big simplification.
Cooling down high-temperature semicoke by the way of indirectly cool down, has not only reclaimed the heat of high-temperature semi-coke, has also helped at any time
Carry out discharge and transport and carry out next step process etc..
The pyrolysis oil gas that pyrolysis is obtained has been carried out purifying and being separated into pyrolysis oil and pyrolysis gas by the present invention, is improve
The economic worth of thermal decomposition product.
Additionally, the present invention will also be compressing after the mixing of semicoke, quick lime and binding agent, for smelting carbide, solve
A process difficult problem for semicoke, drastically increases economic benefit.
Further, the thermal storage type moving bed pyrolysis reactor that the present invention is provided employs heat accumulating type no heat carrier radial canal
Heating technique, without the need for gas, solid heat carrier, improves the calorific value of pyrolysis gas, and the structure of reactor is simple, floor space is little, it is easy to
Industrialization.
The metal baffle component being made up of horizontal baffle and swash plate is with the addition of on reactor body, and the metal baffle component increases
Tire tread residence time in the pyrolysis reactor is added.Therefore, after adding metal baffle component, the height of reactor can drop
Low.If not changing the height of reactor body, after adding metal baffle component, the vertical interval of radial canal can be increased, so as to
The quantity of radial canal in reactor can be reduced.
It should be noted that each embodiment above by reference to described by accompanying drawing only limits this in order to illustrate rather than
The scope of invention, it will be understood by those within the art that, right under the premise without departing from the spirit and scope of the present invention
Modification or equivalent that the present invention is carried out, all should cover within the scope of the present invention.Additionally, unless stated otherwise, that
Any embodiment all or part of can in conjunction with any other embodiment all or part of using.
Claims (10)
1. a kind of waste tire treatment system, it is characterised in that the system includes：
Fast pyrolysis reactor, with pyrolysis feed entrance, pyrolysis oil gas vent and semicoke outlet；
Fusion shaped device, with semicoke entrance, pulverized limestone entrance, binding agent entrance and type ball export, the semicoke entrance with
The semicoke outlet of the fast pyrolysis reactor is connected；
Two stage cyclone separator, with pyrolysis oil gas entrance and net oil gas vent, the pyrolysis oil gas entrance and the fast speed heat
The pyrolysis oil gas vent of solution reactor is connected；
Spray column, with absolute oil gas entrance, pyrolysis oil export and pyrolysis gas outlet, the absolute oil gas entrance and the two stage cyclone
The net oil gas vent of separator is connected；
The fast pyrolysis reactor includes reactor body, radial canal and multiple metal baffle components；The radial canal cut
Face is generally circular in shape, and the radial canal is arranged in the reactor body along the profile multilayer of the reactor；The gold
Category baffle plate assembly includes horizontal baffle and swash plate, and the horizontal baffle is below the swash plate；One end of the horizontal baffle and
One end of the swash plate is connected with the medial wall of the reactor body respectively, the other end of the horizontal baffle and the swash plate
The other end be connected and form 20 ° -45 ° of angle.
2. system according to claim 1, it is characterised in that the system also includes carbide smelting device, the carbide
Smelting device has type ball entrance and carbide outlet, and the type ball entrance is connected with the type ball outlet of the fusion shaped device.
3. system according to claim 1, it is characterised in that the system also includes：
Cutting machine, with cutting material entrance and cutting material outlet,
Spinning machine, with the material entrance that reels off raw silk from cocoons, reel off raw silk from cocoons material outlet and steel wire outlet, the cutting of reel off raw silk from cocoons material entrance and the cutting machine
Material cutting outlet is connected；
Pulverizer, exports with crushed material entrance, crushed material, and the crushed material entrance is connected with the material outlet of reeling off raw silk from cocoons；
Magnetic separator, with magnetic separation material entrance, the outlet of magnetic separation material and iron powder outlet, the powder of the magnetic separation material entrance and the pulverizer
Particle outlet is connected, and the magnetic separation material outlet is connected with the pyrolysis feed entrance of the fast pyrolysis reactor.
4. system according to claim 1, it is characterised in that the horizontal length of the horizontal baffle be
The 1/3-1/2 of body width.
5. system according to claim 4, it is characterised in that two neighbouring metal baffle components are oppositely disposed
On the both sides side wall of the reactor body.
6. a kind of method that in utilization claim 1-5, arbitrary described system processes junked tire, it is characterised in that the side
Method comprises the steps：
Prepare the tire tread of strip or bulk；
The tire tread is sent in the fast pyrolysis reactor and is pyrolyzed, obtain semicoke and pyrolysis oil gas；
The semicoke and pulverized limestone, binding agent are sent into compressing, preparative ball after the fusion shaped device mixes；
The pyrolysis oil pneumatic transmission is entered the cyclone separator solid impurity is removed, be then re-fed into the spray column circulating cooling
Spray, isolated pyrolysis oil and pyrolysis gas.
7. method according to claim 6, it is characterised in that the type ball is smelted, prepares carbide.
8. method according to claim 7, it is characterised in that at a temperature of 1300 DEG C -1700 DEG C, the type ball is entered
Row is smelted.
9. method according to claim 6, it is characterised in that the length of the tire tread be.
10. method according to claim 6, it is characterised in that the tire tread can also produce flue gas in pyrolysis, use
The flue gas drying enters the tire tread of the fast pyrolysis reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611097363.7A CN106433726A (en) | 2016-12-02 | 2016-12-02 | Waste tire treatment system and treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611097363.7A CN106433726A (en) | 2016-12-02 | 2016-12-02 | Waste tire treatment system and treatment method |
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| CN106433726A true CN106433726A (en) | 2017-02-22 |
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ID=58224092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611097363.7A Pending CN106433726A (en) | 2016-12-02 | 2016-12-02 | Waste tire treatment system and treatment method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265456A (en) * | 2017-07-20 | 2017-10-20 | 神雾环保技术股份有限公司 | The system and method that calcium carbide is prepared using solid waste pyrolysis |
| CN112063404A (en) * | 2019-06-10 | 2020-12-11 | 上海广谋能源技术开发有限公司 | Treatment method for realizing efficient resource utilization of waste tires |
| RU2812724C1 (en) * | 2023-11-21 | 2024-02-01 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский политехнический университет" | Unit for complex processing of worn tires and rubber products |
| US11999920B2 (en) | 2020-09-14 | 2024-06-04 | Ecolab Usa Inc. | Cold flow additives for plastic-derived synthetic feedstock |
| US12031097B2 (en) | 2021-10-14 | 2024-07-09 | Ecolab Usa Inc. | Antifouling agents for plastic-derived synthetic feedstocks |
-
2016
- 2016-12-02 CN CN201611097363.7A patent/CN106433726A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265456A (en) * | 2017-07-20 | 2017-10-20 | 神雾环保技术股份有限公司 | The system and method that calcium carbide is prepared using solid waste pyrolysis |
| CN112063404A (en) * | 2019-06-10 | 2020-12-11 | 上海广谋能源技术开发有限公司 | Treatment method for realizing efficient resource utilization of waste tires |
| WO2020248915A1 (en) * | 2019-06-10 | 2020-12-17 | 王武生 | Processing method for implementing efficient resource utilization of waste tires |
| US11999920B2 (en) | 2020-09-14 | 2024-06-04 | Ecolab Usa Inc. | Cold flow additives for plastic-derived synthetic feedstock |
| US12031097B2 (en) | 2021-10-14 | 2024-07-09 | Ecolab Usa Inc. | Antifouling agents for plastic-derived synthetic feedstocks |
| RU2812724C1 (en) * | 2023-11-21 | 2024-02-01 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский политехнический университет" | Unit for complex processing of worn tires and rubber products |
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