CA2739816C - Waste tire recycling system - Google Patents
Waste tire recycling system Download PDFInfo
- Publication number
- CA2739816C CA2739816C CA 2739816 CA2739816A CA2739816C CA 2739816 C CA2739816 C CA 2739816C CA 2739816 CA2739816 CA 2739816 CA 2739816 A CA2739816 A CA 2739816A CA 2739816 C CA2739816 C CA 2739816C
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- CA
- Canada
- Prior art keywords
- carrier gas
- gas
- circulating line
- condensed
- provider
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000010920 waste tyre Substances 0.000 title claims abstract description 59
- 238000004064 recycling Methods 0.000 title claims abstract description 36
- 239000012159 carrier gas Substances 0.000 claims abstract description 166
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims abstract description 31
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000000197 pyrolysis Methods 0.000 claims abstract description 16
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical group N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000001273 butane Substances 0.000 claims abstract description 11
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims abstract description 11
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 239000001294 propane Substances 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 109
- 239000001301 oxygen Substances 0.000 claims description 41
- 229910052760 oxygen Inorganic materials 0.000 claims description 41
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 40
- 229910021529 ammonia Inorganic materials 0.000 claims description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 26
- 229910052799 carbon Inorganic materials 0.000 description 26
- 239000001569 carbon dioxide Substances 0.000 description 16
- 229910002092 carbon dioxide Inorganic materials 0.000 description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 239000004215 Carbon black (E152) Substances 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 6
- 150000002430 hydrocarbons Chemical class 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- -1 art fishing banks Substances 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- 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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
-
- 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
- C10B49/00—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated
- C10B49/02—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with hot gases or vapours, e.g. hot gases obtained by partial combustion of the charge
-
- 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B2017/0424—Specific disintegrating techniques; devices therefor
- B29B2017/0496—Pyrolysing the materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2030/00—Pneumatic or solid tyres or parts thereof
-
- 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)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (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)
- Tires In General (AREA)
Abstract
Disclosed is a waste tire recycling system. More particularly, the present invention relates to a waste tire recycling system having a pyrolysis furnace in which waste tires injected are recycled with a carrier gas and decomposed by a direct heating method, an oil-collecting means for cooling and condensing hot steam generated from the pyrolysis furnace and collecting oil, and a carrier gas recycling line through which a carrier gas is recycled back into the pyrolysis furnace via the pyrolysis furnace and the oil collecting means, the waste tire recycling system comprising a carrier gas feeder connected to one end of the carrier gas recycling line to selectively feed a carrier gas by controlling a valve, the carrier gas feeder having a filling element filled with a carrier gas containing at least one of methane, ethane, propane, butane, pentane, hexane and ammonia group components in a mixed form.
Description
=
WASTE TIRE RECYCLING SYSTEM
TECHNICAL FIELD
[I] The present invention relates to a system for recycling waste tires enabling to extract various energy sources from the waste tires by pyrolyzing the waste tires through a heating method using carrier gas, and more particularly, to a system for recycling waste tires enabling to improve convenience in operation by providing carrier gas containing various gases from outside.
BACKGROUND ART
WASTE TIRE RECYCLING SYSTEM
TECHNICAL FIELD
[I] The present invention relates to a system for recycling waste tires enabling to extract various energy sources from the waste tires by pyrolyzing the waste tires through a heating method using carrier gas, and more particularly, to a system for recycling waste tires enabling to improve convenience in operation by providing carrier gas containing various gases from outside.
BACKGROUND ART
[2] Recently, the demand for tires is rapidly increasing according to the increasing of the demand for vehicles, and therefore the amount of the waste tires is also increased.
[3] As well known, the waste tires are mainly composited high polymer compounds, and their caloric value is about 34MJ/kg which is higher than 29MJ/kg of a standard caloric value. Further, the general composition of tires is 43.5wt% of styrene-butadiene copolymer, 32.6w0/0 of carbon black, 21.7wt% of oil, and 2.2wt% of additives such as sulfur and zinc oxide except for iron cores and nylon.
[4] The Ministry of Environment prohibits the usage of the waste tires as fuel since they produce various environment pollutions such as sulfur oxides, non-burned hydrocarbon, and sooty smoke when burned.
[5] Therefore, a method to use the waste tires except for burning is researched. The waste tires are recycled as footpath blocks, recycled tires, recycled rubber, art fishing banks, and buffers of any structure, but their appliance is limited. Also, scrapped materials and pollutions are produced when the recycled products are manufactured, and environmental pollution will be caused when they are scrapped.
[6] Meanwhile, a method to produce fuel without recycling the waste tires is tried. In producing fuel, a pyrolyzing furnace is used to pyrolyze the waste tires, and the method is divided a direct heating method and an indirect heating method according to the heating method of the pyrolyzing furnace.
[7] The direct heating method has a risk for explosion since a flame produced when the waste tires are heated is chemically reacted with the oxygen contained in air in the furnace. Also, the oil produced by the direct heating method contains moist and glass carbon, which causes the quality of the oil to be worse.
[8] The indirect heating method has no risk for explosion different from the above the direct heating method, but it has lower thermal efficiency and uses most of the oil obtained as a by-product as fuel, which causes the recycling system of the waste tires to be lowered in economy aspect and causes difficulty to treat carbon obtained as a by-product.
[9] To solve the above problems, the present applicant filed a system for recycling waste tires which is registered in Korean Patent No. 10-0628890.
[10] The system for recycling waste filed by the present applicant comprises a pyrolyzing means for pyrolyzing waste tires using carbon dioxide (CO2) or nitrogen (N2) as a carrier gas in a pyrolyzing furnace by means of the direct heating method; a first carbon treating means for separating carbon and iron cores by pulverizing the remains in the pyrolyzing furnace; an oil heaping means for separating oil by cooling condensing exhaust gas separated in the pyrolyzing furnace; a second carbon treating means for producing electricity and cooling water by operating a steam turbine and a suction typed refrigerator after producing high pressed steam using high temperature exhaust gas produced by incinerating the carbon separated by the first carbon treating means; and an exhaust gas treating means for discharging pollution-free air after cleaning the exhaust gas which is exhausted from the second carbon treating means and for separating a portion of carbon dioxide (CO2) or nitrogen (N2) from the discharged air and collecting it.
[11] The above mentioned system for recycling waste tires uses the pyrolyzing furnace having the direct heating method which uses carrier gas, and therefore it prevents explosion of the pyrolyzing furnace and it can extract high pure oil which does not contains moisture and glass carbon.
[12] However, the system for recycling waste tires of the present applicant required an additional apparatus for providing and discharging carrier gas because carbon dioxide (CO2) or nitrogen (N2) is used as carrier gas although the pyrolysis is done by the direct heating method. Also, since it should be prepared the additional apparatus for timely providing carbon dioxide (CO2) or nitrogen (N2), the initial cost of equipment should be severely heavy and wider space to equip the apparatus should be required.
[13] Also, in the system for recycling waste tires, the carrier gas composed of carbon dioxide (CO2) or nitrogen (N2) contains oxygen since exterior air (oxygen) enters into a pyrolyzing furnace together with the entrance of waste tires during initial operation, and this oxygen is required to be discharged by continually providing carrier gas because the oxygen gets the quality of the extracted oil to be deteriorated.
This discharge process requires lots amount of carrier gas for long time and long time to normally operate the system, which cause economical efficiency and operation efficiency to be decreased.
This discharge process requires lots amount of carrier gas for long time and long time to normally operate the system, which cause economical efficiency and operation efficiency to be decreased.
[14] To solve this problem, the present invention filed r System for recycling waste tiresJ with Korean Patent Application No, 10-2008-93763.
[15] The system for recycling waste tires includes a pyrolyzing furnace which pyrolyzes the waste tires by a direct heating method using a carrier gas and an oil collecting means which cooling condenses the high temperature steam produced in the pyrolyzing furnace and collects oil and, [16] it comprises a carrier gas circulating line which passes the pyrolyzing furnace and an oil collecting means and recycles to the pyrolyzing furnace, and a carrier gas recycling provider connected to the carrier gas circulating line, provided with sensors for measuring the temperature in the pyrolyzing furnace and the pressure in the carrier gas circulating line, collecting and reserving non-condensed gas produced in the pyrolyzing furnace, and selectively providing it to the pyrolyzing furnace to use it as the carrier gas.
[17] The conventional system can be economically operated since it does not require additional carrier gas by using the non-condensed gas produced during the burning of waste tires as carrier gas.
[18] However, the conventional system should be additionally provided with the non-condensed gas produced by other systems since it has yet produced the non-condensed gas at initial operation, which causes inconvenience and inefficiency in use.
SUMMARY OF THE INVENTION
TECHNICAL PROBLEM
SUMMARY OF THE INVENTION
TECHNICAL PROBLEM
[19] The present invention is created to solve a problem of the above-mentioned prior art, and accordingly one object of the present invention is to provide a system for recycling waste tires enabling to guarantee convenience in initial operation thereof by providing with various carrier gases from outside and to enhance reliability in operation thereof by easily providing with new carrier gas when the non-condensed gas produced during the burning of waste tires is not sufficient as carrier gas.
TECHNICAL SOLUTION
TECHNICAL SOLUTION
[20] In order to achieve the above-described object, the present invention provides a system for recycling waste tires including a pyrolyzing furnace which pyrolyzes the waste tires by a direct heating method using a carrier gas, an oil collecting means which cooling condenses the high temperature steam produced in the pyrolyzing furnace and collects oil, and a carrier gas circulating line which passes the pyrolyzing furnace and an oil collecting means and recycles to the pyrolyzing furnace, and the system comprises a carrier gas provider which is connected to one end of the carrier gas circulating line (Cl) and selectively provides carrier gas through the control of a valve, and it is provided with an element which is filled with carrier gas consist of methane, ethane, propane, butane, pentane, hexane, ammonia based gas or composition thereof.
[21] In the system according to the present invention, the carrier gas provider is composed of a carrier gas tank which is connected to the carrier gas circulating line (el) and which is filled with the carrier gas therein; an oxygen detector which detects oxygen present in the carrier gas circulating line (c1); and an oxygen burner which is connected to the oxygen detector, receives the detected information, and selectively removes the oxygen in the carrier gas circulating line (c1) by burning [22] The system according to the present invention further comprises: a carrier gas circulating provider which is connected to the carrier gas circulating line (c1), provided with a sensor for measuring the temperature in the pyrolyzing furnace and the pressure in the carrier gas circulating line (c1), collects and reserves the non-condensed gas produced in the pyrolyzing furnace and selectively circulates it to the pyrolyzing furnace.
[23] In the system according to the present invention, the carrier gas circulating provider is pipe-connected to the carrier gas provider, selectively receives carrier gas and provides the carrier gas in the carrier gas circulating line (cp.
[24] In the system according to the present invention, the carrier gas circulating provider includes a pressure measurer which measures the pressure in the carrier gas circulating line (c1) and a temperature measurer which measures the temperature in the pyrolyzing furnace, as a sensing element.
[25] In the system according to the present invention, the carrier gas circulating provider includes a non-condensed gas reserving tank connected to the condensed gas circulating line (c1) and selectively reserving the non-condensed gas, and control valves connected to a pipe which connects the non-condensed gas reserving tank to the condensed gas circulating line (el) and they selectively provide the non-condensed gas to the non-condensed gas reserving tank or provide the non-condensed gas in the non-condensed gas reserving tank to the condensed gas circulating line (el).
[26] In the system according to the present invention, the carrier gas circulating provider provides the non-condensed gas flowing in the condensed gas circulating line (el) in the non-condensed gas reserving tank when the pressure in the condensed gas circulating line (c1) is over 100mmAq and the temperature in the pyrolyzing furnace is over 200 C.
[27] In the system according to the present invention, the condensed gas circulating line (el) is installed with an oxygen removing heater having a heating element which is selectively heated by an electric source to completely bum the oxygen contained in the condensed gas.
[28] The preferred embodiments of the present invention will be described with reference to the accompanying drawings. The terms or words used in the present specification and claims are not supposed to limit to simple meanings in dictionary, but are supposed to be interpreted to an extent that inventors choose them for the best descriptions in proper forms and to be interpreted with the best match with the technical concept of the present invention.
Advantageous Effects [29] According to the system for recycling waste tires can enhance convenience in initial operation by providing with various carrier gases during initial operation thereof.
Advantageous Effects [29] According to the system for recycling waste tires can enhance convenience in initial operation by providing with various carrier gases during initial operation thereof.
[30] In the system which the condensed gas produced during the burning of waste tires is used as carrier gas, when the non-condensed gas is not well produced or when the quality of the produced non-condensed gas is greatly bad, other carrier gas containing methane, ethane, propane, butane, pentane, hexane, ammonia etc. is continually provided, which allows the operation of the system to be stable and reliable.
BRIEF DESCRIPTION OF THE DRAWINGS
BRIEF DESCRIPTION OF THE DRAWINGS
[31] FIG. 1 is a block view schematically illustrating a structure of a conventional system for recycling waste tires;
[32] FIG. 2 is a block view schematically illustrating a structure of a system for recycling waste tires according to one preferred embodiment of the present invention;
[33] FIG. 3 is a block view schematically illustrating a structure of a system for recycling waste tires according to another preferred embodiment of the present invention; and [34] FIG 4 is a view schematically illustrating a structure of a system for recycling waste tires according to a preferred embodiment of the present invention.
[35] <Descriptions of major elements in the drawings>
[36] 1: furnace 2: pulverizer [37] 3: chain conveyer 4: carbon reservoir [38] 5: iron core reservoir 6: condenser [39] 7: oil tank 8: cyclone [40] 9: third separating tank 10: carbon furnace [41] 11: first heat exchanger 12: second heat exchanger [42] 13: steam turbine 14: absorber typed refrigerator [43] 15: high pressure pump 16: cleaning top [44] 17: gas separating apparatus 18: gas recycling blower =
[45] 20: carrier gas circulating provider 50: carrier gas provider DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
[46] The above and other objects and advantages of the present invention will become readily apparent by reference to the following detailed description.
[47] Hereinafter, a system for recycling waste tires according to preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.
[48] Note that the same components or parts are shown to have same reference numbers in the drawings. In describing the present invention, any related known function or structures are not described in detail so as to not vague the gist of the present invention.
[49] FIG. 2 is a block view schematically illustrating a structure of a system for recycling waste tires according to a preferred embodiment of the present invention.
[50] Firstly, the main elements of the present invention are explained as follows.
[51] Reference numeral (1) is a pyrolyzing furnace (1) for pyrolyzing waste tires by a direct heating method using gas such as carbon dioxide (CO2) or nitrogen (N2) as a carrier gas. The pyrolyzing furnace (1) is provided with an inlet through which the waste tires are entered on one side of the upper portion thereof. On the one side is provided with an outlet through which high temperature steam produced by the pyrolysis is circulated and an air outlet through which air is discharged during an initial operation. On the lower portion is provided with a discharging port through which remains produced after the pyrolysis is discharged.
[52] Reference numeral (2) is a pulverizer (2) for pyrolyzing the remains and provided on the lower portion of the discharging port of the pyrolyzing furnace (1).
Reference numeral (3) is a chain conveyer (3) for separating the pulverized carbon and iron cores, and reference numeral (4) is a carbon reservoir (4) for reserving the separated carbon and iron cores respectively. Reference numeral (5) is an iron core reservoir (5).
Reference numeral (3) is a chain conveyer (3) for separating the pulverized carbon and iron cores, and reference numeral (4) is a carbon reservoir (4) for reserving the separated carbon and iron cores respectively. Reference numeral (5) is an iron core reservoir (5).
[53] Reference numeral (6) is a condenser (6) for cooling condensing the high temperature air discharged through the outlet of the pyrolyzing furnace (1).
Reference numeral (7) is an oil tank (7) for collecting oil separated during the cooling condensing, and reference numeral (8) is a cyclone (8) for collecting oil which is not collected during the cooling condensing and moves like gas together with carrier gas.
Reference numeral (7) is an oil tank (7) for collecting oil separated during the cooling condensing, and reference numeral (8) is a cyclone (8) for collecting oil which is not collected during the cooling condensing and moves like gas together with carrier gas.
[54] Reference numeral (9) is a third separating tank (9) for collecting oil mist which is not collected by the cyclone (8) by directly contacting liquefied oil.
[55] Reference numeral (10) is a carbon furnace (10) in which the carbon reserved in the carbon reservoir (4) is moved and incinerated its self-heating, and reference numeral (11) is a first heat exchanger (11) for providing high temperature carrier gas to the pyrolyzing furnace (1) after receiving high temperature exhaust gas produced in the carbon furnace (10) and then heating the cooled carrier gas in high temperature.
Reference numeral (12) is a second heat exchanger (12) for making high pressured steam using the exhaust gas passed through the first heat exchanger (11), and reference numeral (13) is a steam turbine (13) for producing electricity using the high pressured steam.
Reference numeral (12) is a second heat exchanger (12) for making high pressured steam using the exhaust gas passed through the first heat exchanger (11), and reference numeral (13) is a steam turbine (13) for producing electricity using the high pressured steam.
[56] Reference numeral (14) is an absorber typed refrigerator (14) for condensing the lower pressured steam (about 5Kg/cm2) discharged from the steam turbine (13) by producing cooling water, and reference numeral (15) is a high pressure pump (15) for pumping the condensed water and recycling it to the second heat exchanger (12).
[57] Reference numeral (16) is a cleaning top (16) for cleaning the exhaust gas which is discharged from the second heat exchanger (12), and reference numeral (18) is a gas recycling blower (18).
[58] FIG. 3 is a block view schematically illustrating a structure of a system for recycling waste tires according to another preferred embodiment of the present invention, and FIG. 4 is a view schematically illustrating a structure of a system for recycling waste tires according to a preferred embodiment of the present invention. As shown, the system further comprises a carrier gas circulating provider (20) which collects the non-condensed gas naturally produced during the burning of waste tires and circulates it as carrier gas.
[59] The carrier gas circulating provider (20) of this embodiment enhances economical efficiency and yield to extract oil by using gas mist naturally produced during the burning of waste tires as carrier gas.
[60] The operation for every elements of the above mentioned system will be explained as follows with reference to the system which repeatedly uses the non-condensed gas as carrier gas in FIGs. 3 and 4.
[61] The pyrolyzing furnace 1 is an element to pyrolyze waste tires by a direct heating =
method using non-condensed gas provided from a carrier gas circulating provider (20) as a carrier gas, and it is provided with an inlet through which the waste tires are entered, an outlet through which high temperature steam produced by the pyrolysis is discharged, and a discharging port through which remains produced by the pyrolysis is discharged. The gas in the pyrolyzing furnace (1) is outwardly discharged by inlet of the carrier gas, and a circulating outlet is opened after the air is completely discharged, which allows the non-condensed gas produced during the burning of the waste tires to be circulated. Herein, the carrier gas circulating line is (c1) in FIG. 2.
That is, the heated steam produced during the burning of the waste tires which is injected in the pyrolyzing furnace (1) passes through the condenser (6), the cyclone (8), the third separating tank (9), the blower (18) and the first heat exchanger (11), and finally it is recycled to the pyrolyzing furnace (1).
method using non-condensed gas provided from a carrier gas circulating provider (20) as a carrier gas, and it is provided with an inlet through which the waste tires are entered, an outlet through which high temperature steam produced by the pyrolysis is discharged, and a discharging port through which remains produced by the pyrolysis is discharged. The gas in the pyrolyzing furnace (1) is outwardly discharged by inlet of the carrier gas, and a circulating outlet is opened after the air is completely discharged, which allows the non-condensed gas produced during the burning of the waste tires to be circulated. Herein, the carrier gas circulating line is (c1) in FIG. 2.
That is, the heated steam produced during the burning of the waste tires which is injected in the pyrolyzing furnace (1) passes through the condenser (6), the cyclone (8), the third separating tank (9), the blower (18) and the first heat exchanger (11), and finally it is recycled to the pyrolyzing furnace (1).
[62] A treating means for treating the remains produced after pyrolysis includes the pulverizer (2) composed of a pair of rollers and for pulverizing the remains entered between the pair of rollers, the chain conveyer (3) for separating the pulverized carbon and iron cores during conveyer movement, and the carbon reservoir (4) and the iron core reservoir (5) for reserving the separated carbon and iron cores respectively.
[63] An oil collecting means is an element to separately extract the high temperature steam produced in the pyrolyzing furnace (1), and it includes a condenser (6) for cooling condensing the high temperature steam, an oil tank (7) for reserving oil which is firstly separated by cooling condensing of the condenser (6), a cyclone (8) for secondly collecting oil mist in gas condition with powerful whirlpool and transferring it to the oil tank (7), and a third separating tank (9) for collecting the remained oil which is not collected by the cyclone (8) by directly contacting it to liquefied oil.
[64] A carbon treating mean includes a carbon furnace (10) for producing high temperature exhaust gas by burning carbon provided from the carbon reservoir (4), a first and second heat exchangers (11) and (12) for heating the exhaust gas, a steam turbine (13) for generating electricity by receiving the high pressure steam produced in the second heat exchanger (12), an absorber typed refrigerator (14) for producing condensed water by receiving the low pressure steam, and a high pressure pump (15) for recycling the condensed water to the second heat exchanger (12).
[65] The carrier gas circulating provider (20) is installed to be connected to the carrier gas circulating line (c1). Herein, the carrier gas circulating line (Cl) indicates a path which passes the pyrolyzing furnace (1) and the oil collecting means and recycles to the pyrolyzing furnace (1), and it is shown as "el". The carrier gas circulating provider installed on the carrier gas circulating line (c1) is provided with a sensor for measuring the temperature in the pyrolyzing furnace (1) and the pressure in the carrier gas circulating line (el), and it collects and reserves the condensed gas produced in the pyrolyzing furnace 1 and selectively circulates it to the pyrolyzing furnace (1).
15 [66] Meanwhile, the carrier gas circulating provider (20) is a sensing element, and it includes a pressure measurer (21) for measuring the pressure in the carrier gas circulating line (c1) and a temperature measurer (23) for measuring the temperature in the pyrolyzing furnace (1). The pressure measurer (21) and the temperature measurer (23) can be embodied by means of well known analog or digital typed sensor and 20 therefore it is not explained in detail.
[67] Further, the carrier gas circulating provider (20) further includes a non-condensed gas reserving tank (27) connected to the carrier gas circulating line (c1) and selectively reserving the non-condensed gas, and control valves (25, 29) connected to a pipe which connects the non-condensed gas reserving tank (27) to the carrier gas circulating line (c1) and they selectively provide the non-condensed gas to the non-condensed gas reserving tank (27) or transfer the non-condensed gas reserved in the non-condensed gas reserving tank (27) to the carrier gas circulating line (c1) and finally provide it in the pyrolyzing furnace (1).
[68] In the present invention, when the pressure measurer (21) which is installed on the carrier gas circulating line (c1) and measures the pressure in the path measures over set value of 100mmAci and the temperature measurer (23) which measures the temperature in the pyrolyzing furnace (1) measures over set value of 200 C, it is deemed that non-condensed gas is produced in the pyrolyzing furnace (1). At this time, as shown in FIG.
3, the control valve (25) is opened such that the carrier gas circulating line (c1) and the non-condensed gas reserving tank (27) are connected from each other. And, a compressor (not shown) is operated such that the non-condensed gas flowing in the carrier gas circulating line (c1) is provided in the non-condensed gas reserving tank (27). Conversely, when the pressure measurer (21) and the temperature measurer (23) are below the set values, the control valve (25) is closed and the control valve (29) is opened such that the non-condensed gas reserved in the non-condensed gas reserving tank (27) is transferred to the carrier gas circulating line (c1) and finally it is provided in the pyrolyzing furnace (1).
[69] This structure is almost identical with that of the system before filed by the present invention.
[70] As shown in FIG. 2, the present invention further provides a carrier gas provider (50) for providing the carrier gas composed of methane, ethane, propane, butane, pentane, hexane, ammonia or composition thereof to the carrier gas circulating line (c1) as carrier gas at the initial operation. Also, as shown in FIGs. 3 and 4, the present invention further provides a carrier gas provider (50) for auxiliary providing carrier gas when the non-condensed gas is not stably produced in the system.
[71] The carrier gas provider (50) is composed of a carrier gas tank (51) which is filled with carrier gas therein and which is connected to the carrier gas circulating line (c1) through the carrier gas is circulated, an oxygen detector (52) which detects oxygen present in the carrier gas circulating line (c1) and an oxygen burner (30) which is connected to the oxygen detector (52), receives the detected information and selectively removes the oxygen in the carrier gas circulating line (c1) by burning based on the detected information.
[72] As shown in FIG. 2, the carrier gas provider (50) may be directly connected to the carrier gas circulating line (c1) through a line to provide carrier gas.
Alternatively, as shown in FIGs. 3 and 4, the carrier gas provider (50) may recycle the non-condensed gas produced during the burning of waste tires as carrier gas.
[73] As shown in FIG. 2, when the carrier gas provider (50) is directly connected to the carrier gas circulating line (c1) through a line, the line which connects the carrier gas circulating provider (20) and the carrier gas provider (50) from each other can be controlled by a valve. This valve structure may be variously embodied by the well-known art, and therefore its detailed description is omitted.
[74] As shown in FIGs. 3 and 4, when the carrier gas provider (50) is connected not to the carrier gas circulating line (c1) but to the carrier gas circulating provider (20), the carrier gas provided from the carrier gas provider (50) is preferably provided in the carrier gas circulating line (c1) at a condition in which the non-condensed gas present in the non-condensed gas reserving tank (27) which reserves the non-condensed gas of the elements composed of the carrier gas circulating provider (20) is discharged. This may be variously embodied by the well-known art, and therefore its detailed description is omitted.
[75] The carrier gas provider (50) which is directly connected to the carrier gas circulating line (el) or connected to the carrier gas circulating provider (20) has a structure as follows.
[76] The carrier gas tank (51) is filled with gas which composed of more than one of methane, ethane, propane, butane, pentane, hexane, ammonia or composition thereof.
[77] The carrier gas tank (51) may be filled with gas which composed of more than one of methane, ethane, propane, butane, pentane, hexane, ammonia or composition thereof form outside, or it may be changed new one. Also, it may be easily connected to or disconnected from the carrier gas circulating line (c1).
[78] The oxygen detector (52) is connected to the carrier gas circulating line (c1) and detects the oxygen contained the carrier gas which is flowing in the line (c1), and it detects the oxygen when the oxygen is contained in the carrier gas and gives the detecting information to the oxygen burner (30). The oxygen detector (52) may be installed to the carrier gas circulating line (c1) with a constant distance.
[79] The oxygen burner (30) is connected to the carrier gas circulating line (c1) and removes the oxygen contained in the carrier gas by burning. The oxygen burner (30) is provided with a heating line which generates heat by receiving the exterior power when it is given the detecting information from the oxygen detector (52), and it burns the oxygen contained in the carrier gas using the heating line. In the present invention, the oxygen burner (30) is provided with a heating line, but it may be variously changed with the well-known art if the oxygen contained in the carrier gas may be well burned.
[80] The operation of the system for recycling waste tires of the present invention having the above described structure will be explained as follows.
[81] Hydrocarbon composed of methane, ethane, propane, butane, pentane, or hexane based gas has greater thermal capacity than nitrogen or carbon dioxide, and therefore it can transfer much more amount of heat when same amount of gas is sent by a blower.
Therefore, hydrocarbon can much quickly pyrolyze the waste tires in a pyrolysis furnace, and therefore it can treat much more tires than nitrogen or carbon dioxide.
[82] Amount of heat transferred of Hydrocarbon (methane, ethane, propane, butane, pentane, or hexane based gas), Nitrogen and Carbon dioxide is listed in Table 1.
[83] [Table 1]
[84]
Gas Total amount of heat transferred Nitrogen 100 Carbon dioxide 101 Methane based gas 114 Ethane based gas 139 Propane based gas 178 Butane based gas 245 Pentane based gas 302 Hexane based gas 359 * Amount of heat transferred by Nitrogen is 100, and other values are compared with the value of 100.
[85] According to the Table 1, when the butane based gas is used as carrier gas, the rate of pyrolysis is faster about 2.5 times than the nitrogen, which allows it to treat about 2.5 times of waste tires. Therefore, the treat capacity can be enhanced without an enlargement of the system.
[86] In a condition in which oxygen is present in the carrier gas circulating line (c1), the temperature of waste tires is over 250 C, the oxygen is firstly reacted to the rubber of the waste tires and glass carbon (C) and water are produced. This is mixed to oil which is being extracted and deteriorates the quality of the oil and the yield to extract oil. Whereas, when hydrocarbon is used as carrier gas, the oxygen present in the system can be removed by reacting it with the hydrocarbon in the high temperature of first heat exchanger prior to the temperature of the waste tires is over 250 C.
15 [66] Meanwhile, the carrier gas circulating provider (20) is a sensing element, and it includes a pressure measurer (21) for measuring the pressure in the carrier gas circulating line (c1) and a temperature measurer (23) for measuring the temperature in the pyrolyzing furnace (1). The pressure measurer (21) and the temperature measurer (23) can be embodied by means of well known analog or digital typed sensor and 20 therefore it is not explained in detail.
[67] Further, the carrier gas circulating provider (20) further includes a non-condensed gas reserving tank (27) connected to the carrier gas circulating line (c1) and selectively reserving the non-condensed gas, and control valves (25, 29) connected to a pipe which connects the non-condensed gas reserving tank (27) to the carrier gas circulating line (c1) and they selectively provide the non-condensed gas to the non-condensed gas reserving tank (27) or transfer the non-condensed gas reserved in the non-condensed gas reserving tank (27) to the carrier gas circulating line (c1) and finally provide it in the pyrolyzing furnace (1).
[68] In the present invention, when the pressure measurer (21) which is installed on the carrier gas circulating line (c1) and measures the pressure in the path measures over set value of 100mmAci and the temperature measurer (23) which measures the temperature in the pyrolyzing furnace (1) measures over set value of 200 C, it is deemed that non-condensed gas is produced in the pyrolyzing furnace (1). At this time, as shown in FIG.
3, the control valve (25) is opened such that the carrier gas circulating line (c1) and the non-condensed gas reserving tank (27) are connected from each other. And, a compressor (not shown) is operated such that the non-condensed gas flowing in the carrier gas circulating line (c1) is provided in the non-condensed gas reserving tank (27). Conversely, when the pressure measurer (21) and the temperature measurer (23) are below the set values, the control valve (25) is closed and the control valve (29) is opened such that the non-condensed gas reserved in the non-condensed gas reserving tank (27) is transferred to the carrier gas circulating line (c1) and finally it is provided in the pyrolyzing furnace (1).
[69] This structure is almost identical with that of the system before filed by the present invention.
[70] As shown in FIG. 2, the present invention further provides a carrier gas provider (50) for providing the carrier gas composed of methane, ethane, propane, butane, pentane, hexane, ammonia or composition thereof to the carrier gas circulating line (c1) as carrier gas at the initial operation. Also, as shown in FIGs. 3 and 4, the present invention further provides a carrier gas provider (50) for auxiliary providing carrier gas when the non-condensed gas is not stably produced in the system.
[71] The carrier gas provider (50) is composed of a carrier gas tank (51) which is filled with carrier gas therein and which is connected to the carrier gas circulating line (c1) through the carrier gas is circulated, an oxygen detector (52) which detects oxygen present in the carrier gas circulating line (c1) and an oxygen burner (30) which is connected to the oxygen detector (52), receives the detected information and selectively removes the oxygen in the carrier gas circulating line (c1) by burning based on the detected information.
[72] As shown in FIG. 2, the carrier gas provider (50) may be directly connected to the carrier gas circulating line (c1) through a line to provide carrier gas.
Alternatively, as shown in FIGs. 3 and 4, the carrier gas provider (50) may recycle the non-condensed gas produced during the burning of waste tires as carrier gas.
[73] As shown in FIG. 2, when the carrier gas provider (50) is directly connected to the carrier gas circulating line (c1) through a line, the line which connects the carrier gas circulating provider (20) and the carrier gas provider (50) from each other can be controlled by a valve. This valve structure may be variously embodied by the well-known art, and therefore its detailed description is omitted.
[74] As shown in FIGs. 3 and 4, when the carrier gas provider (50) is connected not to the carrier gas circulating line (c1) but to the carrier gas circulating provider (20), the carrier gas provided from the carrier gas provider (50) is preferably provided in the carrier gas circulating line (c1) at a condition in which the non-condensed gas present in the non-condensed gas reserving tank (27) which reserves the non-condensed gas of the elements composed of the carrier gas circulating provider (20) is discharged. This may be variously embodied by the well-known art, and therefore its detailed description is omitted.
[75] The carrier gas provider (50) which is directly connected to the carrier gas circulating line (el) or connected to the carrier gas circulating provider (20) has a structure as follows.
[76] The carrier gas tank (51) is filled with gas which composed of more than one of methane, ethane, propane, butane, pentane, hexane, ammonia or composition thereof.
[77] The carrier gas tank (51) may be filled with gas which composed of more than one of methane, ethane, propane, butane, pentane, hexane, ammonia or composition thereof form outside, or it may be changed new one. Also, it may be easily connected to or disconnected from the carrier gas circulating line (c1).
[78] The oxygen detector (52) is connected to the carrier gas circulating line (c1) and detects the oxygen contained the carrier gas which is flowing in the line (c1), and it detects the oxygen when the oxygen is contained in the carrier gas and gives the detecting information to the oxygen burner (30). The oxygen detector (52) may be installed to the carrier gas circulating line (c1) with a constant distance.
[79] The oxygen burner (30) is connected to the carrier gas circulating line (c1) and removes the oxygen contained in the carrier gas by burning. The oxygen burner (30) is provided with a heating line which generates heat by receiving the exterior power when it is given the detecting information from the oxygen detector (52), and it burns the oxygen contained in the carrier gas using the heating line. In the present invention, the oxygen burner (30) is provided with a heating line, but it may be variously changed with the well-known art if the oxygen contained in the carrier gas may be well burned.
[80] The operation of the system for recycling waste tires of the present invention having the above described structure will be explained as follows.
[81] Hydrocarbon composed of methane, ethane, propane, butane, pentane, or hexane based gas has greater thermal capacity than nitrogen or carbon dioxide, and therefore it can transfer much more amount of heat when same amount of gas is sent by a blower.
Therefore, hydrocarbon can much quickly pyrolyze the waste tires in a pyrolysis furnace, and therefore it can treat much more tires than nitrogen or carbon dioxide.
[82] Amount of heat transferred of Hydrocarbon (methane, ethane, propane, butane, pentane, or hexane based gas), Nitrogen and Carbon dioxide is listed in Table 1.
[83] [Table 1]
[84]
Gas Total amount of heat transferred Nitrogen 100 Carbon dioxide 101 Methane based gas 114 Ethane based gas 139 Propane based gas 178 Butane based gas 245 Pentane based gas 302 Hexane based gas 359 * Amount of heat transferred by Nitrogen is 100, and other values are compared with the value of 100.
[85] According to the Table 1, when the butane based gas is used as carrier gas, the rate of pyrolysis is faster about 2.5 times than the nitrogen, which allows it to treat about 2.5 times of waste tires. Therefore, the treat capacity can be enhanced without an enlargement of the system.
[86] In a condition in which oxygen is present in the carrier gas circulating line (c1), the temperature of waste tires is over 250 C, the oxygen is firstly reacted to the rubber of the waste tires and glass carbon (C) and water are produced. This is mixed to oil which is being extracted and deteriorates the quality of the oil and the yield to extract oil. Whereas, when hydrocarbon is used as carrier gas, the oxygen present in the system can be removed by reacting it with the hydrocarbon in the high temperature of first heat exchanger prior to the temperature of the waste tires is over 250 C.
Claims (8)
1. A system for pyrolysing waste tires, the system comprising:
- a pyrolyzing furnace for receiving and pyrolyzing the waste tires under a pyrolysis process, the pyrolyzing furnace being directly heated;
- a carrier gas inlet connected to the pyrolyzing furnace for providing a carrier gas to the pyrolyzing furnace;
- an oil collecting means connected to the pyrolyzing furnace for collecting oil produced by the pyrolysis process, the oil collecting means comprising a cooling process for condensing a high temperature steam produced in the pyrolyzing furnace during the pyrolysis process;
- a carrier gas circulating line connecting a gas outlet of the pyrolyzing furnace and a gas inlet of the oil collecting means and further connecting a gas outlet of the oil collecting means and the gas carrier inlet of the pyrolyzing furnace for recycling a carrier recycled gas to the pyrolyzing furnace as a carrier gas; and - a carrier gas provider connected to the carrier gas circulating line for selectively providing the recycled carrier gas through control of a valve;
wherein the recycled carrier gas comprises at least one of: a methane based gas, an ethane based gas, a propane based gas, a butane based gas, a pentane based gas, an hexane based gas and an ammonia based gas.
- a pyrolyzing furnace for receiving and pyrolyzing the waste tires under a pyrolysis process, the pyrolyzing furnace being directly heated;
- a carrier gas inlet connected to the pyrolyzing furnace for providing a carrier gas to the pyrolyzing furnace;
- an oil collecting means connected to the pyrolyzing furnace for collecting oil produced by the pyrolysis process, the oil collecting means comprising a cooling process for condensing a high temperature steam produced in the pyrolyzing furnace during the pyrolysis process;
- a carrier gas circulating line connecting a gas outlet of the pyrolyzing furnace and a gas inlet of the oil collecting means and further connecting a gas outlet of the oil collecting means and the gas carrier inlet of the pyrolyzing furnace for recycling a carrier recycled gas to the pyrolyzing furnace as a carrier gas; and - a carrier gas provider connected to the carrier gas circulating line for selectively providing the recycled carrier gas through control of a valve;
wherein the recycled carrier gas comprises at least one of: a methane based gas, an ethane based gas, a propane based gas, a butane based gas, a pentane based gas, an hexane based gas and an ammonia based gas.
2. The system according to claim 1, wherein the carrier gas provider comprises:
- a carrier gas tank connected to the carrier gas circulating line, the carrier gas tank to be filled with the recycled carrier gas;
- an oxygen detector connected to the carrier gas circulating line for detecting a presence of oxygen in the carrier gas circulating line; and - an oxygen burner connected to the oxygen detector for receiving detected information and for selectively removing the oxygen in the carrier gas circulating line based on the detected information by burning the recycled carrier gas in the carrier gas circulating line.
- a carrier gas tank connected to the carrier gas circulating line, the carrier gas tank to be filled with the recycled carrier gas;
- an oxygen detector connected to the carrier gas circulating line for detecting a presence of oxygen in the carrier gas circulating line; and - an oxygen burner connected to the oxygen detector for receiving detected information and for selectively removing the oxygen in the carrier gas circulating line based on the detected information by burning the recycled carrier gas in the carrier gas circulating line.
3. The system according to claim 1, further comprising a carrier gas circulating provider connected to the carrier gas circulating line, the carrier gas circulating provider further comprising:
- a sensor for measuring temperature in the pyrolyzing furnace and pressure in the carrier gas circulating line;
wherein the carrier gas circulating provider collects and reserves non-condensed gas produced in the pyrolyzing furnace under the pyrolysis process and selectively circulates the non-condensed gas to the pyrolyzing furnace.
- a sensor for measuring temperature in the pyrolyzing furnace and pressure in the carrier gas circulating line;
wherein the carrier gas circulating provider collects and reserves non-condensed gas produced in the pyrolyzing furnace under the pyrolysis process and selectively circulates the non-condensed gas to the pyrolyzing furnace.
4. The system according to claim 3, wherein the carrier gas circulating provider is pipe-connected to the carrier gas provider and further wherein the carrier gas circulating provider selectively receives recycled carrier gas and provides the recycled carrier gas in the carrier gas circulating line.
5. The system according to claim 3, wherein the carrier gas circulating provider comprises:
- a pressure measurer for measuring pressure in the carrier gas circulating line and a temperature measurer for measuring temperature in the pyrolyzing furnace.
- a pressure measurer for measuring pressure in the carrier gas circulating line and a temperature measurer for measuring temperature in the pyrolyzing furnace.
6. The system according to claim 3, wherein the carrier gas circulating provider comprises:
- a non-condensed gas reserving tank connected to the condensed gas circulating line for selectively reserving the non-condensed gas; and - at least two control valves connected to a pipe connecting the non-condensed gas reserving tank to the condensed gas circulating line, the at least two control valves selectively providing one of: the non-condensed gas to the non-condensed gas reserving tank and the non-condensed gas in the non-condensed gas reserving tank to the condensed gas circulating line.
- a non-condensed gas reserving tank connected to the condensed gas circulating line for selectively reserving the non-condensed gas; and - at least two control valves connected to a pipe connecting the non-condensed gas reserving tank to the condensed gas circulating line, the at least two control valves selectively providing one of: the non-condensed gas to the non-condensed gas reserving tank and the non-condensed gas in the non-condensed gas reserving tank to the condensed gas circulating line.
7. The system according to claim 3, wherein the carrier gas circulating provider provides the non-condensed gas to flow in the condensed gas circulating line in the non-condensed gas reserving tank when the pressure in the condensed gas circulating line is over 100mmAq and the temperature in the pyrolyzing furnace is over 200°C.
8. The system according to claim 1, further comprising an oxygen removing heater connected to the condensed gas circulating line, the oxygen removing heater comprising a heating element to be selectively heated by an electric source to completely burn oxygen contained in the recycled carrier gas.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20080098653A KR100937214B1 (en) | 2008-10-08 | 2008-10-08 | Waste tire recycling system |
| KR10-2008-0098653 | 2008-10-08 | ||
| PCT/KR2009/004839 WO2010041817A2 (en) | 2008-10-08 | 2009-08-28 | Waste tire recycling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2739816A1 CA2739816A1 (en) | 2010-04-15 |
| CA2739816C true CA2739816C (en) | 2014-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2739816 Expired - Fee Related CA2739816C (en) | 2008-10-08 | 2009-08-28 | Waste tire recycling system |
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| Country | Link |
|---|---|
| US (1) | US20110303525A1 (en) |
| JP (1) | JP2012505286A (en) |
| KR (1) | KR100937214B1 (en) |
| CN (1) | CN102176982A (en) |
| BR (1) | BRPI0914058A2 (en) |
| CA (1) | CA2739816C (en) |
| CL (1) | CL2011000745A1 (en) |
| IL (1) | IL212145A0 (en) |
| MX (1) | MX2011003771A (en) |
| PE (1) | PE20120096A1 (en) |
| WO (1) | WO2010041817A2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101026859B1 (en) * | 2008-12-01 | 2011-04-06 | 전영민 | Waste tire recycling system |
| CZ306376B6 (en) * | 2014-07-15 | 2016-12-28 | Alpajar Group S.R.O. | Process for continuously preparing liquid and gaseous fuels form fraction of organic substances in wastes |
| KR101857012B1 (en) * | 2017-03-27 | 2018-05-14 | 곽재경 | Continuous waste plastic emulsification system using gas circulation |
| CN108829156B (en) * | 2018-06-08 | 2021-02-23 | 国宏中晶集团有限公司 | Mixed carrier gas control device and method for waste tire cracking |
| EP3858950A1 (en) * | 2020-01-31 | 2021-08-04 | Danmarks Tekniske Universitet | A pyrolysis system, a method for producing purified pyrolysis gas and pyrolysis liquids and use of a pyrolysis system |
| JP7050258B1 (en) * | 2021-11-30 | 2022-04-08 | 株式会社ナフサ | Waste recycling system |
| CN114540067B (en) * | 2022-01-12 | 2023-12-26 | 青岛科技大学 | System for improving yield of organic compound pyrolysis liquid-phase product and working method thereof |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2658371C2 (en) * | 1976-12-23 | 1983-03-03 | Carl Robert Eckelmann AG, 2000 Hamburg | Process for pyrolyzing old tires |
| US4213947A (en) * | 1977-10-13 | 1980-07-22 | Champion International Corporation | Emission control system and method |
| DE3442506A1 (en) * | 1984-11-22 | 1986-05-22 | Union Rheinische Braunkohlen Kraftstoff AG, 5000 Köln | METHOD FOR PROCESSING CARBON-CONTAINING WASTE AND BIOMASS |
| US5082534A (en) * | 1990-03-14 | 1992-01-21 | Wayne Technology, Inc. | Pyrolytic conversion system |
| DE4234385A1 (en) * | 1992-10-06 | 1994-04-07 | Formex Trading Gmbh | Process for the pyrolysis of organic substances |
| US5730069A (en) * | 1995-10-30 | 1998-03-24 | Tek-Kol | Lean fuel combustion control method |
| SE513063C2 (en) * | 1998-08-21 | 2000-06-26 | Bengt Sture Ershag | Process for the recovery of carbon and hydrocarbon compounds from polymeric material, preferably in the form of discarded tires, by pyrolysis in a pyrolysis reactor |
| CA2350634A1 (en) * | 2001-06-07 | 2002-12-07 | Richard Bouziane | Anoxic reaction apparatus and process for obtaining an anoxic reaction therein |
| US6534689B1 (en) | 2001-08-24 | 2003-03-18 | Pyrocat Ltd. | Process for the conversion of waste plastics to produce hydrocarbon oils |
| KR20050014576A (en) * | 2003-07-31 | 2005-02-07 | 김승도 | Method for thermal decomposition of waste polymer materials using a carrier gas containing CO2 |
| RU2269415C2 (en) * | 2004-04-26 | 2006-02-10 | Криворучко Евгений Петрович | Method of and plant for thermal processing of worn-out tires |
| KR100628890B1 (en) * | 2006-05-26 | 2006-09-27 | 주식회사 에이쓰 | Waste tire recycling system |
| KR100914917B1 (en) * | 2008-09-24 | 2009-08-31 | 주식회사 에이쓰 | Waste tire recycling system |
-
2008
- 2008-10-08 KR KR20080098653A patent/KR100937214B1/en not_active IP Right Cessation
-
2009
- 2009-08-28 WO PCT/KR2009/004839 patent/WO2010041817A2/en active Application Filing
- 2009-08-28 MX MX2011003771A patent/MX2011003771A/en not_active Application Discontinuation
- 2009-08-28 US US13/123,404 patent/US20110303525A1/en not_active Abandoned
- 2009-08-28 JP JP2011530927A patent/JP2012505286A/en active Pending
- 2009-08-28 PE PE2011000859A patent/PE20120096A1/en not_active Application Discontinuation
- 2009-08-28 CA CA 2739816 patent/CA2739816C/en not_active Expired - Fee Related
- 2009-08-28 BR BRPI0914058-1A patent/BRPI0914058A2/en not_active IP Right Cessation
- 2009-08-28 CN CN2009801402381A patent/CN102176982A/en active Pending
-
2011
- 2011-04-04 CL CL2011000745A patent/CL2011000745A1/en unknown
- 2011-04-05 IL IL212145A patent/IL212145A0/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA2739816A1 (en) | 2010-04-15 |
| MX2011003771A (en) | 2011-08-15 |
| KR100937214B1 (en) | 2010-01-20 |
| WO2010041817A3 (en) | 2010-06-17 |
| CN102176982A (en) | 2011-09-07 |
| WO2010041817A2 (en) | 2010-04-15 |
| CL2011000745A1 (en) | 2011-11-18 |
| BRPI0914058A2 (en) | 2018-06-26 |
| US20110303525A1 (en) | 2011-12-15 |
| IL212145A0 (en) | 2011-06-30 |
| PE20120096A1 (en) | 2012-03-14 |
| JP2012505286A (en) | 2012-03-01 |
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| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20180828 |