WO2020235725A1 - Procédé et appareil de collecte de bio-huile produite par pyrolyse lente - Google Patents

Procédé et appareil de collecte de bio-huile produite par pyrolyse lente Download PDF

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Publication number
WO2020235725A1
WO2020235725A1 PCT/KR2019/006189 KR2019006189W WO2020235725A1 WO 2020235725 A1 WO2020235725 A1 WO 2020235725A1 KR 2019006189 W KR2019006189 W KR 2019006189W WO 2020235725 A1 WO2020235725 A1 WO 2020235725A1
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Prior art keywords
tar
moisture
mixture
collecting
low
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PCT/KR2019/006189
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English (en)
Korean (ko)
Inventor
이용운
양원
이재욱
이은도
강별
채태영
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한국생산기술연구원
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Priority to PCT/KR2019/006189 priority Critical patent/WO2020235725A1/fr
Publication of WO2020235725A1 publication Critical patent/WO2020235725A1/fr

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    • 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
    • C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
    • 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
    • C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
    • C10B57/14—Features of low-temperature carbonising processes
    • 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
    • C10G1/02—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by distillation
    • 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
    • C10G31/00—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for
    • C10G31/06—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by heating, cooling, or pressure treatment
    • 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
    • C10G31/00—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for
    • C10G31/08—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by treating with water
    • 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
    • C10G32/00—Refining of hydrocarbon oils by electric or magnetic means, by irradiation, or by using microorganisms
    • C10G32/02—Refining of hydrocarbon oils by electric or magnetic means, by irradiation, or by using microorganisms by electric or magnetic means
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels, e.g. bio-diesel

Definitions

  • It relates to a method and apparatus for collecting bio-oil generated through low-speed pyrolysis, and more specifically, to effectively collect tar contained in a mixture of tar and moisture generated during low-speed pyrolysis, and to reduce the amount of moisture contained, thereby producing high-quality bio-oil. It relates to an apparatus for collecting a low-speed pyrolysis product that can be generated and a product collecting method using the same.
  • biomass that is, plants that synthesize organic matter by receiving solar energy, and biological organisms such as animals and microorganisms that use them as food are being actively researched to replace existing energy sources.
  • Pyrolysis is a heat treatment method that can produce bio char and tar (bio oil, pyrolysis gas, etc.) through thermal decomposition.
  • bio char and tar bio oil, pyrolysis gas, etc.
  • the temperature is appropriate (usually 200°C). To 1,000°C).
  • Pyrolysis can be largely divided into low-speed, medium-speed, and rapid pyrolysis according to its speed, and the rate of solids produced tends to increase as the heating rate is slow and the temperature is low.
  • low speed pyrolysis including low speed, especially low temperature conditions, is widely used as the most ideal method for biochar production.
  • the biomass to be decomposed is slowly heated to about 5°C to 10°C per minute to maintain the temperature at about 400°C to 600°C, and pyrolysis is performed for a long time, such as from several hours to a week.
  • biochar produced through low-speed pyrolysis When used in soil, it can improve soil quality and sequester greenhouse gases semi-permanently, and use bio-oil and gas, other products as fuel and heat sources, to reduce greenhouse gas emissions and energy efficiency.
  • the improvement effect can be achieved.
  • materials generated as a result of low-speed pyrolysis include not only solid biochar, but also liquid bio-oil and gaseous pyrolysis gas.
  • materials generated as a result of low-speed pyrolysis include not only solid biochar, but also liquid bio-oil and gaseous pyrolysis gas.
  • bio-oil generated during low-speed pyrolysis for biochar generation a large amount of moisture is contained therein, and thus a process of removing the contained moisture is required to utilize the bio-oil as an alternative fuel.
  • Korean Patent Document No. 10-0508997 discloses a treatment method for recycling the separated heavy tar by cooling the coke oven gas generated in the coke oven. Specifically, a treatment method capable of producing fuel by removing water contained in heavy tar by using a centrifugal separator and mixing it with fine coke is disclosed.
  • Korean Patent Document No. 10-1387655 discloses a biomass gasification syngas purification apparatus that can be utilized as biomass by collecting tar in syngas generated in a gasifier using a plurality of cyclones and wet scrubbers.
  • this type of purification device can only be used to collect tar in the synthesis gas generated in a gasifier operating at a high temperature of about 1,200°C to 1,500°C, and is applied to the collection of tar contained in the material generated when performing low-speed pyrolysis. There is a limit that it cannot be done.
  • Patent Document 1 Korean Patent Document No. 10-0508997 (2005.08.18.)
  • Patent Document 2 Korean Patent Document No. 10-1387655 (2014.04.21.)
  • the present invention includes a first collecting unit 100 including a cooling spraying device 110; A first outlet 130 located at one side of the first collecting part 100; And a fluid separation unit 300 connected to the first collecting unit 100 in fluid communication, and the fluid separation unit 300 includes: a water storage tank 310; And a tar storage tank 320 located below the moisture storage tank 310, connected in fluid communication with the moisture storage tank 310, and including a heating device 322 therein.
  • a device for collecting pyrolysis products is provided.
  • one side thereof is fluidly connected to the first outlet 130 and includes a second collecting unit 200 including an electric dust collecting device 210, and the second collecting unit 200 is the It may be connected in fluid communication with the fluid separation unit 300.
  • first outlet 130 may be located above the first collecting part 100.
  • the electrostatic precipitator 210 may be located above the second collecting part 200.
  • the first exhaust gas when the first exhaust gas is introduced into the first collecting unit 100, the first mixture of tar and moisture in the first exhaust gas is condensed by the moisture sprayed from the cooling spraying device 110 to the first exhaust gas. It can be separated from the flue gas.
  • the separated first mixture of tar and moisture may pass through the first dropping port 140 located below the first collecting part 100 to be moved to the fluid separation part 300.
  • the second exhaust gas from which the first mixture of tar and moisture is separated is discharged from the first collecting unit 100 and introduced into the second collecting unit 200, and the electric dust collecting device 220
  • a second mixture of tar and moisture in the second exhaust gas may be separated from the second exhaust gas by an electrostatic reaction.
  • the separated second mixture of tar and moisture may pass through a second dropping port 240 located under the second collecting part 200 and may be moved to the fluid separation part 300.
  • the tar and moisture contained in the first mixture of tar and moisture and the second mixture of tar and moisture moved to the fluid separation unit 300 are separated by a difference in density, and the separated moisture is the moisture It is stored in the storage tank 310, the separated tar may be stored in the tar storage tank (320).
  • the tar stored in the tar storage tank 320 may be heated by the heating device 322.
  • the heating temperature of the heating device 322 may be 150°C.
  • the present invention is a low-speed pyrolysis product collection method used in the above-described low-speed pyrolysis product collecting device, (a) the first exhaust gas is introduced into the first collecting unit 100; (b) condensing a first mixture of tar and moisture in the first exhaust gas by moisture sprayed from the cooling spraying device 110 to separate it from the first exhaust gas; (c) introducing a second exhaust gas from which the first mixture of tar and moisture is separated into the second collecting unit 200; And (d) separating a second mixture of tar and moisture in the second exhaust gas from the second exhaust gas by an electrostatic attraction generated in the electrostatic precipitator 210; a method for collecting a low-speed pyrolysis product comprising: to provide.
  • step (b1) introducing the condensed first mixture of the tar and moisture into the fluid separation unit 300; And after the step (d), (d1) introducing the separated second mixture of tar and moisture into the fluid inlet 300.
  • the silver water storage tank 310 may further include moving the tar to the tar storage tank 320.
  • step (f) the step of heating the tar stored in the tar storage tank 320 by the heating device 322 may further include a step of generating bio-oil.
  • tar and moisture contained in the product can be effectively collected without requiring a separate power source such as a cyclone, thereby increasing energy efficiency in the collection process.
  • the mixture of the collected tar and moisture is separated by the difference in density without going through a separate treatment process, and the process of heating the separated tar can be mixed with existing fuel to produce high-quality bio-oil that can be combusted.
  • the utilization of mass can be improved.
  • 1 is a chart showing the results of a low-speed pyrolysis experiment.
  • FIG. 2 is a schematic diagram showing a low-speed pyrolysis collection device according to an embodiment of the present invention.
  • FIG. 3 is a block diagram showing a decomposition process of a product according to the low-speed pyrolysis collection device of FIG. 2.
  • FIG. 4 is a flow chart showing a product collection method using the low-speed pyrolysis collection device of FIG. 2.
  • low speed pyrolysis used in the following description is used to refer to low speed pyrolysis, low temperature pyrolysis or low temperature slow pyrolysis.
  • product refers to a product produced as a result of low-speed pyrolysis, and includes biochar, bio-oil, and pyrolysis gas.
  • first exhaust gas used in the following description refers to a gas contained in a product and has not undergone a separate treatment process.
  • first mixture used in the following description refers to a mixture of tar and moisture collected by the first collecting unit 100 to be described later among the mixture of tar and moisture present in the first exhaust gas.
  • second exhaust gas used in the following description refers to a gas in which a mixture of tar and moisture has been collected in the first collecting unit 100 to be described later.
  • second mixture used in the following description refers to a mixture of tar and moisture collected by the second collecting unit 200 to be described later among the mixture of tar and moisture present in the second exhaust gas.
  • third exhaust gas used in the following description refers to a gas in which a mixture of tar and moisture is collected in the second collecting unit 200 to be described later.
  • the composition ratio of the produced material is about 30% or less in biochar and about bio-oil. Less than 50%, about 20% pyrolysis gas.
  • the calorific value is about 15.94 MJ/kg, and it has a lower calorific value than heavy oil of about 45 MJ/kg, so there is a limit to using only bio-oil as a fuel.
  • the aqueous phase was 91.92% and the viscous oil phase was 8.71%, and the moisture content in the product was 59.77%.
  • the calorific value in this case is about 11.14 MJ/kg.
  • the moisture content is in inverse proportion to the target temperature and the calorific value, and when a low-speed pyrolysis process is performed to generate biochar as described above, the moisture content increases, and thus the calorific value may decrease. .
  • a low-speed pyrolysis product collecting device 20 has one side thereof connected in fluid communication with the low-speed pyrolysis device 10, so that the product generated as a result of low-speed pyrolysis flows in. do.
  • the mixture of tar and moisture contained in the product introduced into the low-speed pyrolysis product collecting device 20 is collected and stored in different ways according to the molecular weight, and the third exhaust gas from which the mixture of tar and moisture has been removed is the low-speed pyrolysis product collecting device. It is discharged to the outside of 20.
  • the low-speed pyrolysis product collecting device 20 includes a first collecting unit 100, a second collecting unit 200 and a fluid separating unit 300.
  • a low speed pyrolysis device 10 for generating a product to be introduced into the low speed pyrolysis product collecting device 10 is connected in fluid communication with the low speed pyrolysis product collecting device 20.
  • the low-speed pyrolysis device 10 is a part in which a low-speed pyrolysis process for producing biochar or the like is performed.
  • an exhaust gas flow portion 12 is located at one side of the low-speed pyrolysis device 10.
  • the exhaust gas flow unit 12 is connected in fluid communication with the low-speed pyrolysis device 10 and the first collecting unit 100 to be described later, so that the product generated as a result of pyrolysis is introduced into the first collecting unit 100 to be described later. to provide.
  • the low-speed pyrolysis device 10 may be provided as a separate device or integrally with the low-speed pyrolysis product collection device 20.
  • a separate storage unit capable of collecting and storing the generated biochar may be included.
  • a first exhaust gas in a gaseous state is introduced into the first collecting unit 100 to be described later through the exhaust gas flow unit 12.
  • the first collecting part 100 is a part in which the product generated in the low-speed pyrolysis device 10 flows into the low-speed pyrolysis product collecting device 20. In other words, the product first flows into the first collecting unit 100 among the low-speed pyrolysis product collecting device 20.
  • the first mixture of tar and moisture in the product introduced into the first collection unit 100 is collected through a condensation process, and the second exhaust gas from which the first mixture of tar and moisture is removed is a second collection unit 200 to be described later. Flows into.
  • the first collecting part 100 is connected in fluid communication with the low-speed pyrolysis device 10 through the exhaust gas flow part 12.
  • one side of the first collecting unit 100 is connected in fluid communication with the second collecting unit 200 to be described later through a first outlet 130 to be described later, and the first collecting unit 100 The lower side is connected in fluid communication with the fluid separation unit 300 to be described later.
  • the first collecting unit 100 includes a cooling injection device 110, a first inlet 120, a first outlet 130, a first dropping port 140, and a partition wall 150.
  • the cooling injection device 110 injects a low-temperature fluid to the first exhaust gas introduced into the first collecting unit 100 to condense and collect the first mixture of tar and moisture contained in the first exhaust gas.
  • the cooling spraying device 110 is provided in a rod shape elongated in the horizontal direction, but the shape can be changed.
  • the first exhaust gas introduced through the first inlet 120 to be described later is discharged to the first outlet 130 to be described later, in order to collect the first mixture of tar and moisture contained in the first exhaust gas as much as possible It is preferable that it is formed long in the horizontal direction so as to cover all the flow paths of the exhaust gas.
  • the fluid sprayed from the cooling spray device 110 may be water, and the flow rate, flow rate, and spray angle of the fluid sprayed from the cooling spray device 110 are adjustable.
  • the cooling injection device 110 may directly inject a fluid to the first exhaust gas.
  • the injected fluid cools the first exhaust gas and condenses the first mixture of tar and moisture contained in the first exhaust gas.
  • the first mixture of condensed tar and moisture is separated from the first exhaust gas due to its weight, falls downward, passes through the first dropping port 140 to be described later, and flows into the fluid separation unit 300 to be described later.
  • the first mixture of tar and moisture collected by the cooling spraying device 110 has a larger mass than the second mixture of tar and moisture to be described later. That is, the first mixture of high-mass tar and moisture is collected in the first collection unit 100, and the low-mass tar and second mixture are collected in the second collection unit 200 to be described later. A detailed description of this will be described later.
  • the cooling injection device 110 may be connected in fluid communication with a separate fluid supply device (not shown).
  • the first inlet 120 provides a passage through which the first exhaust gas generated by the low-speed pyrolysis device 10 is introduced into the first collecting unit 100.
  • the first inlet 120 is located at one side adjacent to the low-speed pyrolysis device 10 of the first collecting unit 100 and is connected in fluid communication with the exhaust gas flow unit 12.
  • the first inlet 120 is located near the center of the first collecting portion 100 in the height direction, but its position can be changed.
  • the first inlet port may increase the moving distance until the first exhaust gas is introduced and discharged through the first outlet 130 to be described later. It is preferable that the 120 is positioned below at least near the center of the height direction of the first collecting portion 100.
  • the first outlet 130 is a passage through which the second exhaust gas from which the first mixture of tar and moisture is separated by the low-temperature fluid injected from the cooling injection device 110 is introduced into the second collecting unit 200 to be described later.
  • the first outlet 130 connects the first collecting part 100 and the second collecting part 200 to be described later in fluid communication.
  • the first outlet 130 is located above the first collecting unit 100. This is because, as described above, the density of the second exhaust gas decreases and increases as a result of the condensation and separation of the first mixture of high mass tar and moisture.
  • the second exhaust gas that has been moved upward of the first collecting unit 100 without applying a separate external force for the flow of the second exhaust gas is transferred to the second collecting unit 200 to be described later through the first discharge port 130. Can be introduced.
  • the second exhaust gas may be discharged to the outside through the first outlet 130. That is, when the low-speed pyrolysis product collecting device 20 is configured with only the first collecting part 100 without the second collecting part 200 to be described later, the first collecting part 100 only passes through the collecting process and 2 The exhaust gas may be discharged to the outside of the low-speed pyrolysis product collecting device 20.
  • the first drop port 140 is a passage through which the first mixture of tar and moisture collected by the first collecting unit 100 flows into the fluid separation unit 300 to be described later.
  • the first dropping port 140 connects the first collecting part 100 and the fluid separation part 300 to be described later in fluid communication.
  • the first dropping port 140 is located under the first collecting part 100.
  • the lower side of the first collecting portion 100 is formed to be inclined and provided in a funnel shape.
  • the partition wall 150 divides the first collecting part 100 and the second collecting part 200 to be described later.
  • the partition wall 150 is located under the first outlet 130, but its position can be changed.
  • the partition wall 150 may not be provided separately.
  • the first collecting unit 100 and the second collecting unit 200 to be described later are separately provided and connected in fluid communication through the first outlet 130.
  • the second exhaust gas from which the first mixture of tar and moisture is separated is introduced into the second collecting unit 200, the second mixture of tar and moisture contained in the second exhaust gas is collected and separated by electrostatic attraction, The third exhaust gas is discharged to the outside.
  • the second collecting unit 200 is located on one side of the first collecting unit 100 and is connected in fluid communication with the first collecting unit 100 through the first outlet 130.
  • the lower side of the second collecting unit 200 is connected in fluid communication with the fluid separation unit 300 to be described later.
  • the second collecting unit 200 includes an electric dust collecting device 210, a second discharge port 220, and a second dropping port 240.
  • the electrostatic precipitator 210 collects a second mixture of tar and moisture contained in the second exhaust gas by applying an electrostatic attraction to the second exhaust gas introduced into the second collection unit 200.
  • the electrostatic attraction generated when power is applied to the electric dust collector 210 the second mixture of tar and moisture contained in the second exhaust gas is attached to the electric dust collector 210, thereby causing the second exhaust gas and Separated.
  • the electrostatic precipitator 210 is formed to be elongated in the vertical direction in the second collecting unit 200, but its shape can be changed.
  • the second exhaust gas introduced into the second collection unit 200 is discharged to the second exhaust port 220 to be described later, in order to collect the second mixture of tar and moisture contained in the second exhaust gas as much as possible, It is preferable that it is formed long in the vertical direction so as to cover all the flow paths of the exhaust gas.
  • the second mixture of tar and moisture collected by the electrostatic attraction is separated from the second exhaust gas due to its weight and falls downward, passing through the second dropping port 240 to be described later, to the fluid separation unit 300 to be described later. Flow in.
  • the second mixture of tar and moisture collected by the electric dust collector 210 has a smaller mass than the first mixture of tar and moisture collected by the cooling spraying device 110 of the first collecting unit 100 . A detailed description of this will be described later.
  • the electric dust collecting device 210 may receive power from a separate power supply (not shown).
  • the electrostatic attraction generated by the electric dust collecting device 210 can be changed by adjusting a power source or the like.
  • the second outlet 220 is a passage through which the third exhaust gas from which the second mixture of tar and moisture is separated by the electrostatic attraction generated by the electrostatic precipitator 210 is discharged to the outside of the low-speed pyrolysis product collecting device 20 .
  • the second outlet 220 is located above the second collecting part 200. This is because the third flue gas from which the first and second mixtures of tar and moisture are separated over two times will increase due to a decrease in density.
  • the third exhaust gas moved upward of the second collecting unit 200 without applying a separate external force for the flow of the third exhaust gas is outside of the low-speed pyrolysis product collecting device 20 through the second outlet 220. Can be discharged.
  • the second dropping port 240 is a passage through which a second mixture of tar and moisture collected by the second collecting unit 200 flows into the fluid separation unit 300 to be described later.
  • the second dropping port 240 connects the second collecting part 200 and the fluid separation part 300 to be described later in fluid communication.
  • the second dropping port 240 is located under the second collecting part 200.
  • the lower side of the second collecting unit 200 is formed to be inclined toward the lower side from the upper side of the second collecting unit 200 to be provided in a funnel shape.
  • a first mixture and a second mixture of tar and moisture collected in the first and second collection units 100 and 200 are stored, and the tar and moisture are separated by the difference in density. .
  • the separated tar is heated by a heating device 322 to be described later to generate bio-oil from which moisture has been removed.
  • the fluid separation unit 300 is located under the first collection unit 100 and the second collection unit 200 and is connected to each of the first collection unit 100 and the second collection unit 200 in fluid communication do.
  • the fluid separation unit 300 includes a water storage tank 310, a tar storage tank 320, and a tar drop port 330.
  • the moisture storage tank 310 In the water storage tank 310, water contained in the first and second mixtures of collected tar and water are separated and stored. In the illustrated embodiment, the moisture storage tank 310 is located above the tar storage tank 320 to be described later.
  • the height of the moisture storage tank 310 may be changed. More specifically, according to the ratio of the tar and water contained in the first and second mixtures of tar and water, when the ratio of tar is high, the height of the water storage tank 310 is lowered, and the tar storage tank 320 to be described later. ) May increase in height, and when the moisture ratio is high, the height of the moisture storage tank 310 and the tar storage tank 320 to be described later may be changed.
  • the moisture storage tank 310 and the tar storage tank 320 which will be described later, are integrally provided, and their heights may be complementarily adjusted by a tar drop 330, which will be described later.
  • the water storage tank 310 includes a water outlet 311 and a mixture inlet 312.
  • the moisture outlet 311 is a passage through which moisture separated from the first and second mixtures of tar and moisture is discharged.
  • the water outlet 311 is provided on one side of the upper side of the water storage tank 310 to be in fluid communication with the outside, but its position can be changed.
  • the moisture outlet 311 be positioned to be sufficiently separated from the tar storage tank 320 to be described later in order to prevent the separated tar from being discharged together in the process of discharging moisture.
  • the mixture inlet 312 allows the first mixture of tar and moisture collected in the first collection unit 100 and the second mixture of tar and moisture collected in the second collection unit 200 to flow into the moisture storage tank 310 It is a pathway to become.
  • the mixture inlet 312 connects the first collecting part 100 and the second collecting part 200 to the water storage tank 310 in fluid communication, respectively.
  • the tar storage tank 320 separates and stores the collected tar and the tar contained in the first and second mixtures of moisture. In the illustrated embodiment, the tar storage tank 320 is located below the moisture storage tank 310.
  • the height of the tar storage tank 320 can be adjusted complementarily with the height of the moisture storage tank 310 according to the ratio of the tar and moisture contained in the first and second mixtures of stored tar and moisture. As shown.
  • the tar storage tank 320 includes a bio-oil outlet 321 and a heating device 322.
  • the bio-oil outlet 321 is a passage through which bio-oil generated by heating of the heating device 322 to be described later is discharged.
  • the bio-oil outlet 321 is provided in fluid communication on one side of the lower side of the tar storage tank 320, but its position can be changed.
  • the heating device 322 is provided on one side of the tar storage tank 320 and heats the tar stored in the tar storage tank 320.
  • the heating device 322 may be provided in any form capable of providing heat to the tar.
  • the tar is heated by the heating device 322 and condensed into heavy hydrocarbons, thereby generating high-quality bio-oil capable of mixing combustion with other fuels.
  • the heating device 322 may heat the tar stored in the tar storage tank 320 to a temperature of about 150° C., in which case the condensation of the stored tar into hydrocarbons may be further activated.
  • the tar drop port 330 is located between the moisture storage tank 310 and the tar storage tank 320, and when the first mixture and the second mixture of tar and moisture are separated from the tar and moisture due to the difference in density, the separated It provides a passage for the tar to fall into the tar storage tank (320).
  • the tar drop port 330 may connect or block the moisture storage tank 310 and the tar storage tank 320 in fluid communication.
  • the first mixture and the second mixture of tar and water introduced into the fluid separation unit 300 are separated by the difference in density, in this case, the tar drop port 330 is always open. If maintained, there is a concern that the first and second mixtures of tar and moisture may fall directly into the tar storage tank 320.
  • the tar drop 330 is provided as a structure.
  • the first and second mixtures of tar and water introduced into the fluid separation unit 300 are directly introduced into the lower tar storage tank 320, and the separated moisture is transferred from the tar storage tank 320.
  • a tar drop port 330 may be provided as a structure that can be moved to the moisture storage tank 310.
  • the moisture storage tank 310 and the tar storage tank 320 may be provided as a unit, and their height may be partitioned by the tar drop port 330.
  • the tar drop port 330 is not in the form of a passage, but divides the moisture storage tank 310 and the tar storage tank 320 such as a plate-shaped member, so that the separated tar can fall into the tar storage tank 320. It may be provided in a form including some openings.
  • the low-speed pyrolysis product collecting apparatus 20 may collect a mixture of tar and moisture contained in the first exhaust gas among products generated as a result of the low-speed pyrolysis process in different ways according to their mass.
  • the tar and moisture are separated by the difference in density, so that only moisture can be discharged.
  • the first exhaust gas generated in the low-speed pyrolysis device 10 passes through the exhaust gas flow unit 12 and the first inlet 120 in order and is introduced into the first collecting unit 100 (S110).
  • the low-temperature fluid injected from the cooling injection device 110 of the first collecting unit 100 is directly injected into the first exhaust gas, and the first mixture of tar and moisture contained in the first exhaust gas is condensed and separated from the first exhaust gas. It becomes (S120).
  • the first mixture of tar and moisture separated by condensation has a larger mass than the second mixture of tar and moisture separated by electrostatic attraction in the second collecting unit 200.
  • the separated first mixture of tar and moisture is moved downward by gravity, passes through the first dropping port 140 and the mixture inlet 312, and flows into the fluid separation unit 300 (S130).
  • the lower side of the first collecting part 100 is formed to be inclined, so that a phenomenon in which the first mixture of tar and moisture is entangled on the inner wall of the first collecting part 100 can be minimized.
  • the second exhaust gas that has been separated by condensation of the first mixture of tar and moisture in the first collecting unit 100 is introduced into the second collecting unit 200 through the first outlet 130 (S210).
  • a second mixture of tar and moisture contained in the second exhaust gas is attached to the electrostatic precipitator 210 by electrostatic attraction generated from the electric dust collecting device 210 of the second collecting unit 200 to separate it from the second exhaust gas It becomes (S220).
  • the electrostatic attraction also disappears accordingly, so the second mixture of tar and moisture attached to the electric dust collector 210 is moved to the lower side by gravity, and thus the second fall opening. It is introduced into the fluid separation unit 300 through 240 and the mixture inlet 312 (S230).
  • the lower side of the second collecting part 200 is formed to be inclined, so that a phenomenon in which the second mixture of tar and moisture is entangled on the inner wall of the second collecting part 200 can be minimized.
  • the first mixture and the second mixture of tar and water introduced into the fluid separation unit 300 are introduced into the water storage tank 310, and the tar and water are separated by the difference in density (S310).
  • the tar drop port 330 connects the moisture storage tank 310 and the tar storage tank 320 in a fluid communication manner, but may be provided to be open/closed as described above.
  • the low-density moisture separated by the difference in density is moved to the upper moisture storage tank 310, and the high-density tar is transferred to the lower tar storage tank 320 (S320).
  • the tar stored in the tar storage tank 320 is heated by the heating device 322 to generate high-quality bio-oil (S400).
  • the tar is heated by the heating device 322 and condensed into heavy hydrocarbons, thereby generating high-quality bio-oil capable of mixing combustion with other fuels.
  • the generated bio-oil is discharged to the outside of the tar storage tank 320 through the bio-oil outlet 321.
  • moisture stored in the moisture storage tank 310 is discharged to the outside of the moisture storage tank 310 through the moisture discharge port 311.
  • the tar and moisture contained in the first exhaust gas among the products generated as a result of low-speed pyrolysis are in different ways depending on the size of the molecular weight, that is, condensation and electrostatic attraction. As a result, it is collected multiple times, so that the efficiency of collecting tar and moisture is increased.
  • the process can be simplified and the processing cost can be reduced.
  • biochar but also bio-oil can be utilized as fuel, thereby increasing the efficiency of energy utilization.

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Wood Science & Technology (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

L'invention concerne spécifiquement un procédé et un appareil de collecte de Bio-huile produite par pyrolyse lente, ainsi qu'un appareil de collecte d'un produit de pyrolyse lente et un procédé de collecte d'un produit de pyrolyse lente à l'aide de celui-ci, l'appareil comprenant : une première unité de collecte (100) comprenant un dispositif de pulvérisation de refroidissement (110); une première sortie (130) située sur un côté de la première unité de collecte (100); et une unité de séparation de fluide (300) reliée en communication fluidique avec la première unité de collecte (100), l'unité de séparation de fluide (300) comprenant : un réservoir de stockage d'humidité (310); et un réservoir de stockage de goudron (320) situé au-dessous du réservoir de stockage d'humidité (310), relié en communication fluidique avec le réservoir de stockage d'humidité (310), et comprenant un dispositif de chauffage (322) à l'intérieur de celui-ci.
PCT/KR2019/006189 2019-05-23 2019-05-23 Procédé et appareil de collecte de bio-huile produite par pyrolyse lente WO2020235725A1 (fr)

Priority Applications (1)

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PCT/KR2019/006189 WO2020235725A1 (fr) 2019-05-23 2019-05-23 Procédé et appareil de collecte de bio-huile produite par pyrolyse lente

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Application Number Priority Date Filing Date Title
PCT/KR2019/006189 WO2020235725A1 (fr) 2019-05-23 2019-05-23 Procédé et appareil de collecte de bio-huile produite par pyrolyse lente

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WO2020235725A1 true WO2020235725A1 (fr) 2020-11-26

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040056885A (ko) * 2002-12-24 2004-07-01 재단법인 포항산업과학연구원 열안수 분사시간 제어에 의한 코크스 오븐가스 중의타르미스트 저감 방법
JP2005146185A (ja) * 2003-11-19 2005-06-09 Hitachi Eng Co Ltd 植物系バイオマス資源利用設備
JP2007045852A (ja) * 2005-08-05 2007-02-22 Nippon Steel Corp ガス化ガスの精製方法及び装置、並びにガス化ガスの利用方法
KR101472859B1 (ko) * 2010-07-20 2014-12-15 선샤인 카이디 뉴 에너지 그룹 컴퍼니 리미티드 저온 바이오매스 열분해 및 고온 바이오매스 가스화기 및 방법
KR20190108274A (ko) * 2018-03-14 2019-09-24 한국생산기술연구원 저속 열분해를 통해 생성된 바이오 오일 포집 방법 및 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040056885A (ko) * 2002-12-24 2004-07-01 재단법인 포항산업과학연구원 열안수 분사시간 제어에 의한 코크스 오븐가스 중의타르미스트 저감 방법
JP2005146185A (ja) * 2003-11-19 2005-06-09 Hitachi Eng Co Ltd 植物系バイオマス資源利用設備
JP2007045852A (ja) * 2005-08-05 2007-02-22 Nippon Steel Corp ガス化ガスの精製方法及び装置、並びにガス化ガスの利用方法
KR101472859B1 (ko) * 2010-07-20 2014-12-15 선샤인 카이디 뉴 에너지 그룹 컴퍼니 리미티드 저온 바이오매스 열분해 및 고온 바이오매스 가스화기 및 방법
KR20190108274A (ko) * 2018-03-14 2019-09-24 한국생산기술연구원 저속 열분해를 통해 생성된 바이오 오일 포집 방법 및 장치

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