CN109517611A - A kind of autonomous superheated steam energy source conversion system of damaged tire of continuous high-efficient green - Google Patents
A kind of autonomous superheated steam energy source conversion system of damaged tire of continuous high-efficient green Download PDFInfo
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- CN109517611A CN109517611A CN201811511158.XA CN201811511158A CN109517611A CN 109517611 A CN109517611 A CN 109517611A CN 201811511158 A CN201811511158 A CN 201811511158A CN 109517611 A CN109517611 A CN 109517611A
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- superheated steam
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 94
- 238000000197 pyrolysis Methods 0.000 claims abstract description 145
- 238000009434 installation Methods 0.000 claims abstract description 47
- 230000008676 import Effects 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 238000002407 reforming Methods 0.000 claims abstract description 23
- 238000002485 combustion reaction Methods 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims description 64
- 239000000463 material Substances 0.000 claims description 47
- 238000007599 discharging Methods 0.000 claims description 18
- 239000010920 waste tyre Substances 0.000 abstract description 25
- 238000000034 method Methods 0.000 abstract description 18
- 229920001971 elastomer Polymers 0.000 abstract description 17
- 239000005060 rubber Substances 0.000 abstract description 17
- 238000005336 cracking Methods 0.000 abstract description 15
- 230000007613 environmental effect Effects 0.000 abstract description 7
- 230000009089 cytolysis Effects 0.000 abstract description 3
- 239000006229 carbon black Substances 0.000 description 14
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- 239000000047 product Substances 0.000 description 11
- 238000009835 boiling Methods 0.000 description 8
- 239000000470 constituent Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 239000002699 waste material Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000002737 fuel gas Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000004227 thermal cracking Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 239000012634 fragment Substances 0.000 description 4
- 238000006057 reforming reaction Methods 0.000 description 4
- 239000012265 solid product Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 238000007158 vacuum pyrolysis Methods 0.000 description 3
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000006356 dehydrogenation reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241000487918 Acacia argyrodendron Species 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 235000011222 chang cao shi Nutrition 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000374 eutectic mixture Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000004230 steam cracking Methods 0.000 description 1
- 238000000629 steam reforming Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000011787 zinc oxide 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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/58—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels combined with pre-distillation of the fuel
- C10J3/60—Processes
- C10J3/64—Processes with decomposition of the distillation products
- C10J3/66—Processes with decomposition of the distillation products by introducing them into the gasification zone
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/723—Controlling or regulating the gasification process
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0946—Waste, e.g. MSW, tires, glass, tar sand, peat, paper, lignite, oil shale
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0973—Water
- C10J2300/0976—Water as steam
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1603—Integration of gasification processes with another plant or parts within the plant with gas treatment
- C10J2300/1618—Modification of synthesis gas composition, e.g. to meet some criteria
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of autonomous superheated steam energy source conversion systems of damaged tire of continuous high-efficient green, comprising: pyrolysis system, pyrolysis system includes one or more pyrolysis installations being sequentially connected, and pyrolysis installation includes pyrolysis feed mouth, pyrolysis discharge port, pyrolysis superheated steam import, pyrolysis gas outlet and pyrolysis heating device；Gas conversion system, gas conversion system include reforming unit and combustion chamber, and reforming unit includes conversion feed inlet, conversion discharge port and conversion superheated steam import；Superheated steam generator, superheated steam generator generate superheated steam, and superheated steam is delivered to superheated steam pipeline；The present invention solves scrap tire rubber and consumes energy present in cracking process height, lysis efficiency is low, pyrolysis product is difficult to comprehensively utilize and does not meet environmental requirement, crack the problems such as treatment process controllability is low, clean flammable energy gas is converted by waste tire, realizes that the energy conversion of waste tire and clean and effective utilize.
Description
Technical field
The present invention relates to a kind of damaged tire processing system, the damaged tire of specifically a kind of continuous high-efficient green independently overheats steaming
Vapour energy source conversion system.
Background technique
Tire mainly (including is increased by rubber (including natural rubber, synthetic rubber), carbon black and a variety of organic and inorganic auxiliary agents
Mould agent, anti-aging agent, sulphur and zinc oxide etc.) composition.With economic society sustained and rapid development, world car ownership will continue
Rapid growth, waste tire burden is up to 3,000,000,000, wherein the tire that China is scrapped every year is more than 100,000,000, accounts for the world
One third, to the estimated damaged tire amount for generating 20,000,000 tons of the year two thousand twenty China.A large amount of waste tire had both wasted valuable
Rubber sources, while a large amount of damaged tires accumulate land occupation, also form more intractable more black than plastic pollution (white pollution)
The reasonable disposition of color pollution, waste tire has become a urgent global environmental problem.
Waste tire is the resource that can be recycled, and it is country's warp that waste tire, which is recycled with level of comprehensive utilization,
The one of the important signs that of Ji development.It is former that waste tire processing has to comply with the recycling of offal treatment, innoxious and minimizing
Then, waste tire comprehensive Utilization Ways mainly include renovation, reclaimed rubber and rubber powder, heat energy utilization, pyrolysis etc. at present.
China's tyre recapping rate is only 26:1 at present, and the refresh rate of especially tyres for passenger cars is almost nil.Reclaimed rubber refers to
Waste or used vulcanized rubber pass through the physical and chemical processes such as crushings, heating, mechanical treatment, make its from elastic stage become with plasticity with
Rubber that is sticky, can vulcanizing again.The car tire for accounting for the nearly half of damaged tire yield, for producing the valence of reclaimed rubber, rubber powder
It is worth extremely low.Practice have shown that scrap rubber not only consumes a large amount of energy, but also regenerate for producing reclaimed rubber in process of production
The performance indexes of vulcanizate is still not so good as the damaged tire before processing, while production process high temperature high pressure dynamic desulfurization in glue
Journey also has energy consumption height, and added value is low, generates the disadvantages of secondary pollution outstanding problem.
Tire has very high calorific value (2937MJ/kg), and the calorific value of per kilogram is higher than timber by 69%, higher than bituminous coal
10%, it is higher than coke by 4%, therefore, directly as the heat energy utilization method (cement kiln, Industrial Boiler, electricity generation boiler etc.) of fuel
It is that waste tire integrated treatment utilizes an important method.But hypertoxic carcinogenic substance dioxin is also easy to produce during oxy combustion,
Therefore its high equipment cost and complicated fume treatment auxiliary must be configured in order to reach the environmental requirement that can be discharged.
The pyrolysis of damaged tire refers to that under anaerobic or anoxic operating condition and temperature appropriate, main chain has unsaturated bond in rubber
Macromolecule fracture, product is mainly monomer, dimer and fragment, and product is polymerized to a variety of alkene again, thus deviate from volatilization
Property substance and the process for forming solid carbon, product are mainly pyrolysis oil, solid and not condensation combustible gas based on coarse carbon black.It presses
Pyrolysis temperature can be divided into high temperature pyrolysis (>1000 DEG C), medium temperature pyrolysis (600~700 DEG C) and low temperature pyrogenation (<600 DEG C).It is pyrolyzed work
The advantage of skill is, due to being anaerobic decay, is conducive to mitigate the secondary pollution to atmospheric environment, can control the production of dioxin
Raw and pollution；The harmful components such as sulphur, heavy metal in waste are largely fixed in solid black wood charcoal and effective recycling.
Waste tire pyrolysis at present mainly includes the three classes techniques such as thermal cracking, catalytic degradation and microwave depolymerization, and thermal cracking
Technique includes a kind of the pyrolysis (" serialization as disclosed in the patent document of Publication No. CN104910948A of normal pressure inert gas again
Cracking technology and equipment ", disclosed in the patent document of Publication No. CN101555413A " continuous type steam cracking device label and
The pyrolysis furnace used for it "), vacuum pyrolysis, fuse salt pyrolysis: (1) normal pressure inert gas be pyrolyzed: by useless rubber in inert gas
Glue is heated to 500 DEG C, can get solid residue (predominantly coarse carbon black, the charcoal of 35% (mass fraction with scrap rubber, similarly hereinafter)
In black containing mass fraction be 0.2 sulphur and mass fraction be 0.10~0.15 ash content), 55% oil is (containing mass fraction
The crude naphtha that aromatic naphtha and mass fraction for 0.51 are 0.33) and 3% gas.(2) vacuum pyrolysis: vacuum pyrolysis be
It is decomposed under decompression and cryogenic conditions, scrap rubber is cracked under the conditions of 2~20kPa of stagnation pressure, 510 DEG C of temperature, 50% oil can be obtained
Product, 25% carbon black, 9% steel, 5% fiber and 11% gas；Under the conditions of stagnation pressure 0.3kPa, 420 DEG C of temperature, it can obtain
55% oil product, 35% solid and 10% gas.(3) fuse salt is pyrolyzed: tire fragment is immersed lithium chloride/potassium chloride
In eutectic mixture, be heated to 500 DEG C, generate 47% oil, 45% solid residue and 12% gas.
Apparatus for thermal cleavage is mainly based on moving bed, fluidized bed, fixed bed and rotary kiln at present.Pyrolysis Plants for Used Tires
Not only to meet its thermotonus condition, to fully take into account the complexity of charging, the leakproofness of cracking apparatus and auxiliary facility
To meet stringent environmental requirement.Cracking process all at present are all that substance to be cracked is put into cracker to crack
Key targets be liquid solid product and be easy to cause coking equipment inside, and multi-stage condensing separation and filtering pyrolysis production
Object, therefore, extremely complex pyrolysis plant and process conditions cause primary product-pyrolysis oil of low temperature pyrogenation in waste tire,
Solid component based on coarse carbon black is extremely complex, quality is difficult to ensure and cannot achieve heavy industrialization application, from environmental protection, society
Meeting, economic three big elements benefit goal still remain obvious deficiency to analyze.
It is " a kind of to be pyrolyzed and crack from dedusting type waste tire disclosed in the patent document of Publication No. CN105925293A
System " propose it is a kind of based on heat accumulation type radiant tube heating can be into from the pyrolysis of dedusting type waste tire and cracking system, the system
Two kinds of operations of row pyrolysis and cracking, the oil gas for being pyrolyzed generation enter grain bed dust-extraction unit, and oil gas is clean after dust removal by filtration
Oil gas enters cracking room, reduces the dedusting pressure of subsequent technique, the tar molecules of macromolecular are cracked into the gas of small molecule
The problem of state hydro carbons, the reactor can produce a large amount of cracking gas, be difficult to be utilized so as to avoid production pyrolysis oil.However the skill
The pyrolysis chamber Shu Zhong is connected to cracking room, and pyrolysis and cracking process are heated by heat accumulation type radiant tube and carried out, and is pyrolyzed in this way
Coking at heat accumulation type radiant tube wall is easy with the product of cracking and influences reaction efficiency, while the components such as carbon black in tire are formed
Solid product be still difficult to be utilized.
Summary of the invention
The object of the present invention is to provide a kind of autonomous superheated steam energy source conversion systems of damaged tire of continuous high-efficient green, should
System aims to solve the problem that rubber for tire consumes energy height present in cracking process, and lysis efficiency is low, and pyrolysis product is difficult to comprehensively utilize
And environmental requirement is not met, crack the problems such as treatment process controllability is low.
In order to reach above-mentioned technical purpose, the technical scheme is that
A kind of autonomous superheated steam energy source conversion system of damaged tire of continuous high-efficient green, comprising:
Pyrolysis system, the pyrolysis system include that one or more is sequentially connected (the pyrolysis discharging of an i.e. upper pyrolysis installation
Mouthful connect with the pyrolysis feed mouth of next pyrolysis installation) pyrolysis installation, for example, the pyrolysis system can only include a heat
Device is solved, the temperature in the pyrolysis installation is 400 DEG C at this time, wherein be predominantly temperature-rise period at a temperature of 250 DEG C, 250
DEG C~400 DEG C at a temperature of carry out pyrolytic reaction.For another example, the pyrolysis system may include two pyrolysis installations, at this time the heat
Temperature in solution device respectively is 250 DEG C, 400 DEG C, carries out pyrolytic reaction at a temperature of 250 DEG C~400 DEG C to realize.
The pyrolysis installation include pyrolysis feed mouth, pyrolysis discharge port, pyrolysis superheated steam import, pyrolysis gas outlet and
It is pyrolyzed heating device, is provided with pyrolysis conveying device in the pyrolysis installation, the pyrolysis conveying device is by material from pyrolysis
Feed inlet is delivered to pyrolysis discharge port.The pyrolysis superheated steam import is connect with superheated steam pipeline, and the pyrolysis gas goes out
Mouth and reformed gas piping connection.The pyrolysis heating device is pyrolysis installation heating, and the preferred electricity of the pyrolysis heating device adds
Hot device；Gas conversion system is conveyed to after one or more pyrolysis installations that material passes through pyrolysis system.
Gas conversion system, the gas conversion system include reforming unit and the combustion chamber for reforming unit heating, institute
Stating the temperature in reforming unit is 800 DEG C~900 DEG C (temperature is to guarantee that superheated vapor and thermal decomposition product conversion reaction carry out),
The reforming unit includes conversion feed inlet, conversion discharge port and conversion superheated steam import, the object of the pyrolysis system conveying
Material is delivered to conversion feed inlet.It is provided with conversion conveying device in the reforming unit, the conversion conveying device is by material
Conversion discharge port is delivered to from conversion feed inlet.The conversion superheated steam import is connect with superheated steam pipeline.
Superheated steam generator, the superheated steam generator generate superheated steam, and superheated steam is delivered to superheated steam
Pipeline.
The light components fuel gas such as methane that waste tyre pyrolytic generates is flowed to reformed gas pipeline and collected by pyrolysis system, and
Carbon black and higher boiling in tire waste material, macromolecular the liquid solid-state mixture such as heavy constituent object will be transferred in gas conversion system
Conversion reaction is carried out with high-temperature water vapor under high temperature condition (800 DEG C~900 DEG C).At a temperature of 800 DEG C~900 DEG C, in heat
It is passed through superheated steam in liquid solid mixt (higher boiling, the heavy constituent object of macromolecular and carbon black etc.) after solution reaction, carries out water
Vapor reforming reaction, reaction equation such as formula (1), (2) generate hydrogen-rich imflammable gas and are separated, purified treatment.
Water-gas is occurred for carbon black component in the tire after pyrolysis and high-temperature vapor by the reforming unit of gas conversion system
Conversion reaction (1), carbon black are transformed to CO, the hydrogen H that water-gasization reaction generates2It is recycled as imflammable gas:
C+H2O(g)=CO+H2 (1)
The reforming unit of gas conversion system by higher boiling in the tire after pyrolysis, macromolecular heavy constituent object by chain rupture with
The further thermal cracking of dehydrogenation reaction, while the hydrocarbons such as methane generated generate hydrogen-rich by reforming reaction with vapor again
Fuel gas:
CxHy+xH2O(g)=xCO+ (x+y/2) H2 (2)
Preferably, the pyrolysis conveying device, conversion conveying device are screw conveyor.
In order to further utilize unconverted complete a small amount of solid product, the conversion discharge port of the reforming unit is connected with down
Expect that device, the blanking device include blanking import and blanking outlet, conversion discharge port is connect with blanking import；In blanking device
It is internally provided with lower material conveying device, material is exported from blanking import to blanking and conveyed by the lower material conveying device；Under described
In the combustion chamber, the material of blanking outlet burns in the combustion chamber for material outlet setting.
For the gas generated using conversion, the reformed gas piping connection has reformed gas branch, the conversion gas
Body branch is connect with combustion chamber, provides burning gases for combustion chamber.
Heat absorbing type gas of the imflammable gas transformation efficiency of waste tire by tire thermal cracking, thermal cracking products and vapor
Body conversion reaction control, tire waste material must be just able to achieve under the conditions of very high gas conversion temperature and enough reaction time
All combustibility energy gas conversions, at this moment, enlargement, the complication of whole system device undoubtedly can seriously hinder its application to push away
Extensively.In order to make full use of a small amount of gasification to convert halfway tire waste material residue, setting combuster goes out below the combustion chamber
Mouthful, discharging device is provided with below combustor exit, the discharging device includes discharging import and discharge outlet, the discharging
Import is connect with combustor exit, is provided with out material conveying device in the discharging device, it is described go out material conveying device by material
It is delivered to discharge outlet from discharging import, specifically, the preferred screw conveyor of material conveying device out.
In the foregoing description, the material in different devices only refers to specific material of the inside.
In conclusion the present invention converts two subsystems for waste tire material by pyrolysis and in by pyrolysis and gas
Conversion reaction is carried out with high-temperature water vapor under hot conditions (800 DEG C~900 DEG C), it is clean flammable to be converted into hydrogen, methane etc.
Energy gas, the energy conversion and clean and effective for realizing waste tire utilize, and solve scrap tire rubber in cracking process
Existing energy consumption is high, and lysis efficiency is low, and pyrolysis product is difficult to comprehensively utilize and do not meet environmental requirement, and cracking treatment process is controllable
The problems such as property is low.
Technical advantage and beneficial effect of the invention is: (1) damaged tire heat predominantly heated heating rank before 250 DEG C
Section, traditional waste tire thermal cracking mode, which must be heated at least to 550 DEG C~600 DEG C, could crack completion, in the technology of the present invention
Pyrolysis temperature be 250 DEG C~400 DEG C, the ease of the light components fuel gas such as methane mainly occurs for the pyrolytic process of the temperature section
Out, greatly reduce the generation of the products such as the high carcinogenic substance-polycyclic aromatic hydrocarbon of complete cracking room, thus make higher boiling in tire waste material,
The substances such as the heavy constituent object of macromolecular and carbon black will participate in subsequent aqueous gas reforming reaction；(2) it is generated from carbon and vapor
The Gibbs free energy Δ of carbon monoxide and hydrogen reactionrGm 0=-146.34T+135248J/mol is it is found that must be over 924K
(651 DEG C) reactions just can be carried out, the higher reaction more Yi Jinhang of temperature；On the other hand, the chain rupture of higher boiling, macromolecular heavy constituent object
It is strong endothermic reaction with the hydrocarbons such as dehydrogenation reaction, methane and steam reforming reaction, vapor proposed by the present invention
Conversion reaction temperature is 800 DEG C~900 DEG C, which can guarantee the quick progress of conversion reaction, simultaneous reactions fuel consumption
Cost and reactor manufacturing expense will not be obviously improved because using temperature excessively high；(3) waste tire material thermal conductance is very low,
Heat temperature raising needs long time, and the technology of the present invention uses the superheated water of heating effect good (specific heat capacity is high, diffusion rate is big)
Heat-conduction medium of the steam as pyrolysis and conversion reaction, improves the speed of reaction.
Detailed description of the invention
Fig. 1 is present system main view.
Fig. 2 is present system right view.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, 2, the autonomous superheated steam energy source conversion system of damaged tire of a kind of continuous high-efficient green, comprising:
Pyrolysis system, the pyrolysis system include two the first pyrolysis installations 2 and the second pyrolysis installation 6 being sequentially connected
(present invention does not limit pyrolysis installation quantity), the pyrolysis installation (the first pyrolysis installation 2, the second pyrolysis installation 6) include heat
Solve feed inlet, pyrolysis discharge port, pyrolysis superheated steam import, pyrolysis gas outlet and pyrolysis heating device, the first pyrolysis installation 2
Pyrolysis feed mouth be provided with batch box 1, for feeding intake and (putting into broken damaged tire fragment).The pyrolysis of first pyrolysis installation 2
Discharge port is connect with the pyrolysis feed mouth of the second pyrolysis installation 6.
Pyrolysis conveying device 5,7, heat are provided in the pyrolysis installation (the first pyrolysis installation 2, the second pyrolysis installation 6)
It solves conveying device 5,7 and specifically selects screw conveyor, material is delivered to heat from pyrolysis feed mouth by the pyrolysis conveying device 5,7
Solve discharge port.
The pyrolysis superheated steam import is connect with superheated steam pipeline 4, to pyrolysis installation (the first pyrolysis installation 2, second
Pyrolysis installation 6) in be passed through superheated steam.Pyrolysis installation can be discharged while heating waste tire material in the superheated steam being passed through
Interior air, realizes oxygen-free atmosphere.
The pyrolysis gas outlet is connect with reformed gas pipeline 3, for collecting the gas of conversion.It is passed through reformed gas pipe
The fuel gas on road 3 through separation, after purified treatment, as clean energy resource gas for generating electricity, combustion heat supplying etc..
The pyrolysis heating device is pyrolysis installation heating, and the pyrolysis heating device selects electric heater, is pyrolyzed heating device
Material in first pyrolysis installation 2 is heated to 250 DEG C, heating device is pyrolyzed by material in the second pyrolysis installation 6 and is heated to 400
℃.The light components fuel gas such as methane that waste tyre pyrolytic generates is flowed to reformed gas pipeline and collected by pyrolytic reaction, and tire
Carbon black and higher boiling in waste material, macromolecular the liquid solid-state mixture such as heavy constituent object will then high temperature condition (800 DEG C~
900 DEG C) under with high-temperature water vapor carry out conversion reaction.
Gas conversion system, the gas conversion system include reforming unit 8 and the combustion chamber for the heating of reforming unit 8
12.The reforming unit 8 includes conversion feed inlet, conversion discharge port and conversion superheated steam import.In order to further using not
The a small amount of solid product converted, the conversion discharge port of the reforming unit 8 are connected with blanking device 10, the blanking device 10
It is exported including blanking import and blanking, conversion discharge port is connect with blanking import；It is defeated that blanking is internally provided in blanking device 10
Device is sent, material is exported from blanking import to blanking and conveyed by the lower material conveying device；Blanking outlet setting is being burnt
In room 12, the material of blanking outlet is burnt in combustion chamber 12 and (can be burnt using nozzle 13).
The material of the pyrolysis discharge port of second pyrolysis installation 6 is delivered to conversion feed inlet.It is arranged in the reforming unit 8
There is conversion conveying device 9, conversion conveying device 9 selects screw conveyor, and the conversion conveying device 9 feeds material from conversion
Mouth is delivered to conversion discharge port.
The conversion superheated steam import is connect with superheated steam pipeline 4, the heavy constituent of higher boiling, macromolecular after pyrolysis
The substances such as object and carbon black by under high temperature condition (800 DEG C~900 DEG C) in reforming unit 8 with high-temperature water vapor (superheated steam)
Carry out conversion reaction.The temperature can guarantee the quick progress of conversion reaction, simultaneous reactions fuel consumption cost and reactor system
The expense of making will not be obviously improved because using temperature excessively high.
For the gas generated using conversion, the reformed gas pipeline 3 is connected with reformed gas branch, the conversion gas
Body branch is connect with combustion chamber 12, burning gases is provided for combustion chamber 12, so as to realize that conversion reaction does not depend on external energy
The autonomous progress in source.
It is provided with combustor exit below the combustion chamber 12, discharging device 11, institute are provided with below combustor exit
Stating discharging device 11 includes that discharging import and discharge outlet, the discharging import are connect with combustor exit, the discharging device
Be provided with out material conveying device in 11, it is described go out material conveying device select screw conveyor, it is described go out material conveying device 11 by object
Material (residue) is delivered to discharge outlet from discharging import, and combustion residue is discharged.
Superheated steam generator 14, the superheated steam generator 14 generate superheated steam, i.e., aqueous to generate participation
The superheated steam of gas reforming reaction, superheated steam are delivered to superheated steam pipeline 4.
Workflow:
Damaged tire fragment (material) is added in the first pyrolysis installation 2 by batch box 1, while being passed through superheated steam, material
It is heated in the first pyrolysis installation 2 and is warming up to 250 DEG C, subsequently into the second pyrolysis installation 6, while being passed through superheated steam progress
Deoxygenation processing, material (400 DEG C) pyrolysis in the second pyrolysis installation 6.Material passes through the first pyrolysis installation 2, the second pyrolysis installation 6
Pyrolysis flows to reformed gas pipeline for light components fuel gas such as methane and collects, and carbon black and higher boiling, big point in tire waste material
The liquid solid-state mixtures such as the heavy constituent object of son will participate in subsequent and high-temperature water vapor and carry out conversion reaction.
The liquid solid-state mixture that pyrolysis obtains is delivered to reforming unit 8 by the pyrolysis discharge port of the second pyrolysis installation 6, turns
Makeup, which is set, is passed through superheated steam in 8, anti-by the conversion with high-temperature water vapor (superheated steam) at a temperature of 800 DEG C~900 DEG C
It answers, is converted into the flammable energy gas of cleaning of hydrogen-rich.The gas of conversion flows to first the 2, second heat of pyrolysis installation in reforming unit 8
Device 6 is solved, reformed gas pipeline 3 is finally flowed to, and separated, purified treatment, realizes the fuel gas energy of waste tire
Conversion and clean and effective utilize.
Above-described embodiment is not limit the invention in any way, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical solution fall within the scope of protection of the present invention.
Claims (10)
1. a kind of autonomous superheated steam energy source conversion system of damaged tire of continuous high-efficient green, characterized by comprising:
Pyrolysis system, the pyrolysis system include one or more pyrolysis installations being sequentially connected, and the pyrolysis installation includes heat
Feed inlet, pyrolysis discharge port, pyrolysis superheated steam import, pyrolysis gas outlet and pyrolysis heating device are solved, is filled in the pyrolysis
It is provided with pyrolysis conveying device in setting, material is delivered to pyrolysis discharge port from pyrolysis feed mouth by the pyrolysis conveying device；Institute
It states pyrolysis superheated steam import to connect with superheated steam pipeline, the pyrolysis gas outlet and reformed gas piping connection；It is described
Heating device is pyrolyzed as pyrolysis installation heating；Gas is conveyed to after one or more pyrolysis installations that material passes through pyrolysis system to turn
Change system；
Gas conversion system, the gas conversion system include reforming unit and for reforming unit heating combustion chamber, described turn
Makeup is set including conversion feed inlet, conversion discharge port and conversion superheated steam import, the material conveying of the pyrolysis system conveying
To conversion feed inlet；It is provided with conversion conveying device in the reforming unit, the conversion conveying device is by material from conversion
Feed inlet is delivered to conversion discharge port；The conversion superheated steam import is connect with superheated steam pipeline；
Superheated steam generator, the superheated steam generator generate superheated steam, and superheated steam is delivered to overheated steam pipe
Road.
2. a kind of autonomous superheated steam energy source conversion system of damaged tire of continuous high-efficient green according to claim 1,
Be characterized in that: the pyrolysis system includes a pyrolysis installation, and the temperature in the pyrolysis installation is 400 DEG C.
3. a kind of autonomous superheated steam energy source conversion system of damaged tire of continuous high-efficient green according to claim 1,
Be characterized in that: the pyrolysis system includes two pyrolysis installations, and the temperature in the pyrolysis installation is respectively 250 DEG C, 400 DEG C.
4. a kind of autonomous superheated steam energy source conversion system of damaged tire of continuous high-efficient green according to claim 1,
Be characterized in that: the pyrolysis conveying device, conversion conveying device are screw conveyor.
5. a kind of autonomous superheated steam energy source conversion system of damaged tire of continuous high-efficient green according to claim 1,
Be characterized in that: the pyrolysis heating device is electric heater.
6. a kind of autonomous superheated steam energy source conversion system of damaged tire of continuous high-efficient green according to claim 1,
Be characterized in that: the temperature in the reforming unit is 800 DEG C~900 DEG C.
7. a kind of autonomous superheated steam energy source conversion system of damaged tire of continuous high-efficient green according to claim 1,
Be characterized in that: the conversion discharge port of the reforming unit is connected with blanking device, and the blanking device includes blanking import under
Material outlet, conversion discharge port are connect with blanking import；Lower material conveying device, the blanking conveying are internally provided in blanking device
Material is exported from blanking import to blanking and is conveyed by device；The blanking outlet is arranged in the combustion chamber, the material of blanking outlet
It burns in the combustion chamber.
8. a kind of autonomous superheated steam energy source conversion system of damaged tire of continuous high-efficient green according to claim 1,
Be characterized in that: the reformed gas piping connection has reformed gas branch, and the reformed gas branch is connect with combustion chamber, for combustion
It burns room and burning gases is provided.
9. a kind of autonomous superheated steam energy source conversion system of damaged tire of continuous high-efficient green according to claim 1,
Be characterized in that: being provided with combustor exit below the combustion chamber, be provided with discharging device below combustor exit, it is described go out
Material device includes that discharging import and discharge outlet, the discharging import are connect with combustor exit, setting in the discharging device
There is material conveying device out, material is delivered to discharge outlet from discharging import by the material conveying device out.
10. a kind of autonomous superheated steam energy source conversion system of damaged tire of continuous high-efficient green according to claim 9,
Be characterized in that: the material conveying device out is screw conveyor.
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| CN209412150U (en) * | 2018-12-11 | 2019-09-20 | 凤阳爱尔思轻合金精密成型有限公司 | A kind of autonomous superheated steam energy source conversion system of damaged tire of continuous high-efficient green |
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| WO2001068789A1 (en) * | 2000-03-15 | 2001-09-20 | Cowi Rådgivende Ingeniører As | A method and a system for decomposition of moist fuel or other carbonaceous materials |
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