WO2013018959A1 - 청정연료의 제조방법, 이를 위한 유기성분 추출 분리 반응기 - Google Patents
청정연료의 제조방법, 이를 위한 유기성분 추출 분리 반응기 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- C10L9/00—Treating solid fuels to improve their combustion
- C10L9/02—Treating solid fuels to improve their combustion by chemical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0215—Solid material in other stationary receptacles
- B01D11/0223—Moving bed of solid material
- B01D11/0242—Moving bed of solid material in towers, e.g. comprising contacting elements
- B01D11/0246—Moving bed of solid material in towers, e.g. comprising contacting elements comprising rotating means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0215—Solid material in other stationary receptacles
- B01D11/0253—Fluidised bed of solid materials
- B01D11/0257—Fluidised bed of solid materials using mixing mechanisms, e.g. stirrers, jets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0288—Applications, solvents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D12/00—Displacing liquid, e.g. from wet solids or from dispersions of liquids or from solids in liquids, by means of another liquid
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- 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
- C10G1/04—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by extraction
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- 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
- C10G21/00—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
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- 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
- C10G31/09—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by filtration
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- 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
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
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- 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
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/06—Dewatering or demulsification of hydrocarbon oils with mechanical means, e.g. by filtration
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- 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
- C10G53/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
- C10G53/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
- C10G53/04—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only including at least one extraction step
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/04—Liquid carbonaceous fuels essentially based on blends of hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
- C10L1/326—Coal-water suspensions
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- C10L5/00—Solid fuels
- C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
- C10L5/06—Methods of shaping, e.g. pelletizing or briquetting
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- 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
- C10G2300/1011—Biomass
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- 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
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/30—Physical properties of feedstocks or products
- C10G2300/301—Boiling range
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- 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
- C10G2300/40—Characteristics of the process deviating from typical ways of processing
- C10G2300/44—Solvents
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
- Y02P30/20—Technologies relating to oil refining and petrochemical industry using bio-feedstock
Definitions
- the present invention relates to a method for producing clean fuel, and an organic component extraction separation reactor for this purpose. More particularly, the extraction, separation and filtering are performed in one reactor to simplify the process and improve the extraction yield and energy efficiency. It relates to a preparation method and an organic component extraction separation reactor therefor.
- the ash contained in coal is fused to the pipe wall or the flow path during the combustion or gasification of the fuel to reduce the heat transfer efficiency and serves to block the flow of material.
- the ash that is discharged without being fused in the boiler or reactor during the process causes environmental pollution, and thus, a process of capturing it must be added, which requires additional operating costs.
- Methods for removing moisture in coal include mechanically pressing coal to squeeze the moisture, or mixing the coal itself or liquid into a slurry and heating to evaporate moisture.
- Representative methods for producing coal with low ash content include removing ash only while leaving organic components in fuel using acid and alkali solution and extracting only organic ingredients while leaving ash in fuel using organic solvent. have.
- the ash content of the final product is 0.02% when the organic solvent extraction method is used and the ash content of the final product is about 0.1% when the acid and alkali leaching methods are used. It is known that the content is lower.
- US2010 / 0006477 (PCT / JP07 / 69833) for realizing the above organic solvent extraction method is to extract the raw coal containing water at high temperature as it is, so that excessive pressure is applied to the extractor by the evaporation of water extractor and surrounding The cost required to manufacture the device increases, and a process for selectively recovering water and a solvent is required in a subsequent solvent recovery process.
- Korean Patent No. 10-961981 discloses a method for producing clean coal by thermal extraction of a solvent, but the apparatus is operated by dividing an extraction unit, a precipitation unit, a filtration unit, and the like into separate devices for producing ashless coal. Complex.
- the organic components extracted from the coal in the liquid state by the solvent extraction at high temperature is precipitated in the solid state when cooled below the extraction temperature.
- ash extracted from the extraction solution occurs because the extracted solution is naturally cooled during the transfer to the individual apparatus, and ash which is finally obtained by sedimentation of the precipitate or by filtering out the filter is removed. Yield is reduced, and in order to overcome this, additional heating and warming were required during the transfer to individual devices.
- the present invention provides a clean fuel manufacturing method of increasing efficiency by performing slurry dehydration before the solvent extraction process.
- the present invention provides a method for producing a clean fuel in which the extraction and solid-liquid separation process is performed in one reactor to increase the energy efficiency and yield, and an extraction separation reactor for the same.
- One aspect of the present invention is to prepare a slurry by mixing the organic solvent and the organic fuel;
- the slurry is injected into the middle and lower sides of the reactor, and the extracted solution in which the extracted organic component is dissolved by the organic solvent is discharged through the upper part of the reactor by an upward flow, and the solid residual material which is not dissolved in the organic solvent is lowered in the reactor.
- An extraction separation stage discharged by gravity settling into the furnace; It relates to a method for producing a clean fuel comprising the step of heating the extraction solution in which the organic component is dissolved above the boiling point of the organic solvent.
- the present invention provides a reactor body having a column structure; A slurry inlet unit formed at a middle lower end of the reactor body side to inject a slurry in which an organic solvent and an organic fuel are mixed; A solid residue discharge part formed at the bottom of the reactor body to receive and discharge the solid residue material which is settled; An extraction part formed between the solid residue discharge part and the slurry inlet part, and having an agitator to dissolve an organic component contained in an organic fuel as a solvent; And formed in the upper end of the reactor body, and relates to an organic component extraction separation reactor including an extraction solution discharge portion is discharged by rising the solution in which the organic component is dissolved.
- the present invention provides a preheater for mixing the organic solvent and the organic fuel to prepare a slurry and remove moisture;
- the extraction separation reactor for separating the slurry into an extraction solution and a solid residue;
- An extract dryer for drying the extraction solution flowing out of the top of the extraction separation reactor; It relates to a clean fuel production apparatus comprising a residue dryer for drying the solid residue flowing out of the bottom of the extraction separation reactor.
- the method according to the present invention facilitates the recovery of evaporated water by separating and applying the slurry dehydration process to the front end of the solvent extraction process, and facilitates the production of the extractor and the peripheral parts by preventing the formation of overpressure in the back end extractor.
- the extraction, separation, and filtration are performed in a single reactor, thereby simplifying the structure of the apparatus, thereby facilitating manufacture and maintenance.
- the extraction separation reactor according to the present invention reduces the temperature change of the extraction solution from the solvent extraction process to the solid-liquid separation process from solvent extraction to solid-liquid separation in a single reactor to reduce the yield of anhydrous ashless coal by precipitation of the extract To prevent.
- 1 is a view showing the manufacturing process of the blue and green fuel according to one embodiment of the present invention.
- FIG. 2 is a structural diagram of an extraction separation reactor according to one embodiment of the present invention.
- 1 is a view showing the manufacturing process of the blue and green fuel according to one embodiment of the present invention.
- 2 is a structural diagram of an extraction separation reactor according to one embodiment of the present invention.
- the manufacturing process of the clean fuel includes a slurry manufacturing step (1), extraction separation step (2) and extract solution drying step (3).
- Slurry manufacturing step (1) is a step of uniformly mixing the solid phase raw material (S1) and the liquid organic solvent (S3) to be treated to a certain ratio, including moisture and ash to a slurry.
- the solid phase raw material may be any organic fuel requiring removal of coal, biomass, moisture or ash.
- a coal is specifically mentioned as a solid raw material, the following method is not necessarily limited only to coal.
- the raw coal is used by crushing with a grinder, the size of the crushed coal may have a size of 50 ⁇ 300 ⁇ m, preferably about 100 ⁇ m, but is not necessarily limited thereto. Generally, when the particle size of coal is smaller than 50 ⁇ m, agglomeration of particles occurs, and the contact with the solvent is not smooth. If the particle size is larger than 300 ⁇ m, a long extraction time is required.
- the powdery raw coal has a small particle size, which can widen the reaction area with the solvent, and facilitate the inter-process transfer of the slurry produced by mixing with the solvent.
- the organic solvent for the extraction of coal may vary depending on the type of coal, but is not limited thereto.
- the organic solvent may be N methyl 2 pyrrolidone (NMP, N-methyl-2-pyrrolidone), 1 methyl naphthalene (1-MN, 1-Methylnaphthalene) having a boiling point in the range of 200-300 °C (LCO, Light Cycle Oil).
- the mixing ratio of the raw coal and the solvent is suitably in the range of 1: 2 to 10 based on the weight.
- the reason is that when the weight ratio of the solvent is more than 1: 10, the amount of coal is not economically suitable, and the weight of the solvent is not sufficient. If the ratio is lower than 1: 2, the amount of coal increases and the viscosity of the slurry increases, which may cause problems in processes such as transportation and filtration.
- the slurry preparing step (1) may further include removing water contained in the organic fuel by adding the slurry to a temperature higher than the boiling point of water and lower than the boiling point of the organic solvent.
- Water (S4) evaporated in this process is discharged to the outside in the form of steam.
- the water removal is preferably heating the slurry in the range of about 105-140 °C. This is because evaporation of moisture is not smooth at lower temperatures, and at higher temperatures, some of the solvent components evaporate with moisture.
- the slurry (S5) prepared through the slurry preparation and water removal process (1) was pressurized by a volumetric pump installed on a supply line, and then heated to a temperature necessary for extraction through a preheater to extract and separate the reaction step. Is sent to (2).
- the extraction separation step (2) is a step of heating the slurry (S5) to a predetermined temperature to extract the organic components from the coal in the slurry, and to separate the solid residue including the ash not extracted from the slurry.
- the extraction separation step (2) may use the extraction separation reactor shown in FIG.
- extraction and solid-liquid separation are performed simultaneously or sequentially in a single reactor.
- the slurry is raised from the bottom of the reactor to the top.
- most of the liquid components in the slurry have a path to move upward, and most of the solid components to the bottom.
- the extraction separation step (2) is to inject the slurry into the lower side of the reactor, the extraction solution in which the extracted organic components dissolved by the organic solvent is discharged through the upper portion of the reactor by the upward flow, the organic solvent Solid phase remaining material which is not dissolved in is discharged by gravity settling into the bottom of the reactor.
- the bottom side of the reactor is used to mean that the bottom side includes both the middle of the reactor.
- the slurry is injected into the lower part of the reactor and ascends to the upper part, the extraction of organic components is mainly performed at the lower part of the reactor, and the settling of the solid residue may be performed at the upper part. have.
- the extraction and separation step is performed at the same time extraction and separation from the bottom to the top of a single reactor, but at the bottom of the reactor using a stirrer to perform the extraction reaction more actively, the separation of the extraction solution and the solid residue at the top of the reactor It is mainly caused by gravity settling.
- the rising rate of the extract solution in which the organic component is dissolved may be controlled to be smaller than the sedimentation rate of the solid residue.
- 100 ⁇ m diameter coal particles settle at 350 ° C.
- NMP Nmethyl 2 pyrrolidone
- the rate of slurry rise depends on the type of particles and solvent, the particle size range of the particles, and the operating conditions.
- the extraction separation step may be carried out at the same time the extraction of the organic components and the separation of the solid residue while the slurry stays in the reactor for 30 to 3 hours, preferably 50 minutes to 2 hours.
- the extraction separation step may further include a filtering step of filtering out the solid residue before the solution in which the organic component is dissolved is discharged through the upper portion of the reactor.
- the filtering step is a step of filtering the unreacted coal and solid residues that have reached the upper portion of the reactor in an upward flow and returning them back into the reactor using an injector.
- the method may further comprise a circulation step in which the solid phase residual material not dissolved in the solvent is recovered before settling into the bottom of the reactor and sent to the extraction separation step.
- the coal particles not extracted in the solvent by the circulation step may be supplied back to the reactor lower side (extraction unit) to circulate inside the extraction unit to increase the extraction yield.
- the extraction solution (S6) in which the organic component is dissolved is heated above the boiling point of the organic solvent to obtain solid anhydrous ashless coal (S9), and the organic solvent (S8) by heating. ) Is discharged and recovered.
- the present invention comprises a residue drying step (4) of applying heat above the boiling point of the organic solvent to the solid residue (S7) discharged by sedimentation to the bottom of the reactor.
- Dryers for drying the extraction solution may be used, such as drum type, spray dryer, there is no limitation to this.
- Residue drying step (4) is a process of drying the solvent from a high concentration residual slurry consisting of solid coal, ash, and solvent not extracted in the solvent in the extraction separation step (2). Residue drying step (4) can be used to select the drum type, fluidized bed dryer, and the like, but is not limited thereto.
- the solvent is evaporated to be discharged to the vapor phase (S10) and the dried solid residual coal (S11) can be used for the purpose of the heat source for the extraction process.
- the residual coal (S11) obtained here is characterized in that the ash content is slightly higher than that of the raw coal, but because the moisture is removed, the calorific value is higher than that of the raw coal.
- the production method of the present invention includes a recovery solvent treatment step (5) of collecting the solvent generated from the extraction solution drying step (3) and the residue drying step (4) to liquefy through heat recovery (S12).
- the treatment step 5 may also include a process of removing impurities such as ash or moisture, which may be present therein, and then recycling the same through chemical treatment as necessary.
- the present invention relates to a method for extracting and separating organic components from a slurry in which an organic solvent and an organic fuel are mixed.
- the slurry is injected into the lower side of the reactor, and the extracted solution in which the extracted organic component is dissolved by the organic solvent is discharged through the upper part of the reactor by an upward flow, and is not dissolved in the organic solvent.
- Solid phase residual material is characterized by discharged by gravity sedimentation to the bottom of the reactor.
- the method of extracting and separating the organic component may refer to the above-described extraction separation step, and thus description thereof will be omitted.
- the present invention relates to an organic component extraction separation reactor 100.
- the reactor may be used in the extraction separation step and the method of extracting and separating the organic components of the clean fuel manufacturing method described above.
- the reactor 100 is not the only reactor that achieves the method of extracting and separating the organic components according to the present invention, and reactors that can be modified by those skilled in the art without changing the gist of the present method are also within the scope of the present invention.
- the organic component extraction separation reactor 100 of the present invention includes a main body 10, a slurry inlet 20, a solid residue outlet 30, an extractor 40, and an extract solution outlet 50. .
- the reactor body 10 is a columnar reactor.
- the main body 10 is preferably a columnar columnar structure that ensures a long residence time of the slurry, and facilitates gravity separation between the solid residue and the extraction solution.
- the height or width of the reactor body 10 may be adjusted according to the particle size, content, throughput, time, etc. of the raw coal.
- the ratio of the width and the height of the reactor body 10 is also not limited, and as an example, may be in the range of 1: 5 to 10.
- the slurry inlet 20 is formed in the lower and middle side of the reactor body injects a slurry in which an organic solvent and an organic fuel are mixed.
- the lower portion of the main body side in which the slurry inlet is formed is used to include the range of the lower end portion in the middle of the main body.
- the solid residue discharge part 30 is formed at the bottom of the reactor body to receive the solid residue material (S7) that is settled and to discharge it.
- the lower part of the reactor may collect solid residues in a hopper shape and receive them from the solid residue discharge part 30 and flow them out.
- the extraction part 40 is formed between the solid residue discharge part 30 and the slurry inlet part 20, and is provided with a stirrer 41 to mix the slurry to solvent organic components contained in the organic fuel. To dissolve.
- the stirrer 41 may be a magnetic stirrer or an ultrasonic generator.
- the slurry (S5) is introduced into the extraction unit 40 to the slurry inlet 20.
- the organic components in the coal particles included in the slurry introduced into the extraction unit 40 are extracted while contacting the solvent by the stirring action of the stirrer.
- the organic component extracted in the solution phase circulates inside the extraction unit together with the solvent, and then moves to the upper part of the extraction unit 40 by being pushed by the entire fluid flow.
- the time for reaction extraction while the slurry stays in the extraction unit is not limited, it is 10 to 90 minutes, preferably about 30 to 60 minutes. If the reaction time is shorter than 30 minutes, the amount of extraction is less, and if the reaction time is too long, the amount of extraction is slightly increased but economically unsuitable, 60 minutes or less is more preferable.
- the extraction separation reactor 100 may further include a circulation part 60 which recovers the solid residue material before settling into the solid residue discharge part 30 and sends it to the extraction part.
- the circulation part 60 may include a slurry outlet part 61 formed at a lower side of the main body and a circulation pump 62 for circulating it.
- the circulation part 60 promotes mixing of the coal particles and the solvent in the extracting part 40 and flows back the solid material falling into the hopper without being accompanied by the fluid flow even by the mixing action of the stirrer 41. By mixing in the upper portion of the extraction portion to extend the residence time of the entire solid phase in the extraction portion.
- the circulation unit 60 may be provided with a heating device in the inlet and outlet pipes of the circulation pump 62 to allow the slurry to be heated or maintained at the extraction temperature.
- the reactor is a slurry and solid residue injected into the slurry inlet 20 ascends to the extraction solution discharge section 50 while being separated by gravity sedimentation into the extraction solution, organic fuel (coal) and solid residue It may include all (70).
- the precipitation part 70 may be formed between the slurry inlet part and the extraction solution discharge part, and has a predetermined height such that the slurry and the solid residue remain for about 10 minutes to 90 minutes, preferably about 20 to 30 minutes. It is desirable to adjust.
- the precipitation unit 70 may further include a rectifier 71 to reduce the turbulent flow of the slurry introduced.
- the rectifier 71 reduces the turbulent flow of the incoming slurry and the turbulent flow by the agitator 41 of the extracting portion to facilitate gravity settling.
- the rectifier 71 is a baffle installed above the slurry inlet.
- the solid residual material falling by gravity settling in the settling portion 70 is further extracted while contacting the organic solvent while passing through the settling portion 70 and the extracting portion 40, and the extraction proceeds when descending to the extracting portion. It is mixed with the slurry being added.
- the reactor may further include a filtration unit 80 for filtering the solid residue raised under the extraction solution discharge.
- the filter unit 80 may include a filter 81 made of ceramic or metal material and a filter cleaner 82 which sprays the solid residue collected on the filter surface with a solvent and sends it down to the reactor.
- the filtration unit 80 may be ash that may remain in the solution raised through the precipitation unit 70 or the filter 81 may use a ceramic or metal material that can withstand high temperatures and solvents.
- the filter may have pores in the range of 0.1-10 ⁇ m.
- the filter cleaner 82 sprays a solvent, such as an extraction solvent, from the inside of the filter to the outside to separate the solid substance collected on the filter surface from the filter. Solid residual material separated from the filter by the filter cleaning unit 82 can be settled again by gravity.
- a solvent such as an extraction solvent
- the clean fuel production method according to the present invention facilitates the recovery of evaporated water by separating and applying the slurry dehydration process to the front end of the solvent extraction process, and facilitates the manufacture of the extractor and the peripheral parts by preventing the formation of overpressure in the back end extractor. .
- the extraction, separation, and filtration are performed in a single reactor, thereby simplifying the structure of the apparatus, thereby facilitating manufacture and maintenance.
- the extraction separation reactor according to the present invention reduces the temperature change of the extraction solution from the solvent extraction process to the solid-liquid separation process from solvent extraction to solid-liquid separation in a single reactor to reduce the yield of anhydrous ashless coal by precipitation of the extract To prevent.
- the present invention relates to an anhydrous ashless clean fuel production apparatus. Since the apparatus can be understood to correspond to the manufacturing process of FIG. 1, the parts not described below may refer to the aforementioned contents.
- the apparatus comprises a slurry maker 1, the extraction separation reactor 2, an extraction solution dryer 3 and a residue dryer 4.
- the slurry maker 1 may use a conventional reactor or a storage tank as a device for preparing a slurry by mixing an organic solvent and an organic fuel and removing water, and a heater is provided on an outer surface thereof.
- the extraction separation reactor may refer to the above-described reactor as a device for extracting only the organic components from the fuel contained in the slurry and at the same time separating the extraction solution and the solid residue.
- the extraction solution dryer may use a drum type, spray type dryer as a device for drying the extraction solution flowing out of the top of the extraction separation reactor.
- the residue dryer may be a drum type, fluidized bed dryer as a device for drying the solid residue flowing out from the bottom of the extraction separation reactor.
- the clean fuel manufacturing apparatus may further include a recovery solvent processor (5).
- the recovery solvent processor collects the solvent generated from the extraction solution dryer and the residue dryer to liquefy through heat recovery.
- the clean fuel manufacturing apparatus may further include a device for removing the impurities such as ash or water that may be present therein and then reuse the recovery solvent through a chemical treatment device.
- Extraction separation reactor is the extraction, separation, filtration is performed in a single reactor, the device structure is simplified and easy to manufacture and maintenance, since the solvent extraction to solid-liquid separation in a single reactor, industrial applicability There is this.
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Abstract
Description
Claims (24)
- 유기용매와 유기성 연료를 혼합하여 슬러리를 제조하는 단계 ;상기 슬러리를 반응기의 중· 하부 측면에 주입하고, 추출된 유기성분이 유기용매에 의해 용해된 추출용액은 상승 흐름에 의해 반응기 상층부를 통해 배출하고, 상기 유기용매에 용해되지 않은 고체상 잔류 물질은 반응기 하부로 중력 침강하여 배출되는 추출 분리단계 ;상기 유기성분이 용해된 추출용액을 상기 유기용매의 비점 이상으로 가열하는 추출용액 건조 단계를 포함하는 것을 특징으로 하는 청정연료의 제조방법.
- 제 1항에 있어서, 상기 추출 분리 단계는 상기 슬러리가 반응기의 하부에 주입되고 상부로 상승하는 과정에 있어 반응기 하부에서는 유기성분의 추출이 주도적으로 수행되고, 상부에서는 고체 잔류물질의 침강이 주도적으로 수행되는 것을 특징으로 하는 청정연료의 제조방법.
- 제 1항에 있어서, 상기 추출 분리 단계는 유기성분이 용해된 용액의 상승속도를 상기 고체 잔류물질의 침강속도보다 작도록 제어하는 것을 특징으로 하는 청정연료의 제조방법.
- 제 1항에 있어서, 상기 추출 분리단계는 상기 유기성분이 용해된 용액이 반응기 상층부를 통해 배출되기 전에 고체 잔류물질을 걸러내는 필터링 단계를 추가로 포함하는 것을 특징으로 하는 청정연료의 제조방법.
- 제 1항에 있어서, 상기 추출 분리단계는 상기 슬러리를 300~400℃로 가열하고, 교반기를 이용하여 혼합하는 것을 특징으로 하는 청정연료의 제조방법.
- 제 1항에 있어서, 상기 방법은 상기 용매에 용해되지 않은 고체상 잔류 물질이 반응기 하부로 침강하기 전에 이를 회수하여 상기 추출 분리단계로 보내는 순환단계를 추가로 포함하는 것을 특징으로 하는 청정연료의 제조방법.
- 제 1항에 있어서, 상기 추출 분리 단계는 상기 슬러리가 반응기 내에 30~3시간 체류하여 유기성분 추출과 고체 잔류물의 분리가 동시에 수행되는 것을 특징으로 하는 청정연료의 제조방법.
- 제 1항에 있어서, 상기 방법은 반응기 하부로 침강하여 배출된 고체 잔류물에 상기 유기용매의 비점 이상의 열을 가하는 잔류물 건조 단계를 추가로 포함하는 것을 특징으로 하는 청정연료의 제조방법.
- 제 1항 또는 제 8항에 있어서, 상기 방법은 상기 추출용액 건조 단계와 잔류물 건조 단계로부터 발생하는 용매를 모아 열 회수를 통해 액화시키는 회수용매 처리단계를 추가로 포함하는 것을 특징으로 하는 청정연료의 제조방법.
- 제 1항에 있어서, 상기 슬러리 제조 단계는 상기 슬러리를 물의 비점보다 높고 유기용매의 비점보다 낮은 온도로 가하여 유기성 연료에 포함된 수분을 제거하는 단계를 추가로 포함하는 것을 특징으로 하는 청정연료의 제조방법.
- 제 1항에 있어서, 상기 유기성 연료는 석탄 또는 바이오매스인 것을 특징으로 하는 청정연료의 제조방법.
- 제 1항에 있어서, 상기 슬러리 제조단계는 상기 유기성 연료와 유기용매를 중량비로 1 : 2~10 범위로 혼합하는 것을 특징으로 하는 청정연료의 제조방법.
- 제 1항에 있어서, 상기 유기성 연료의 크기가 50~300㎛인 것을 특징으로 하는 청정연료의 제조방법.
- 제 1항에 있어서, 상기 유기용매는 비점 범위가 200-300℃인 N메틸2피로리돈(NMP), 1메틸나프탈렌(1-MN) 및 접촉분해경유(LCO) 중에서 선택된 어느 하나인 것을 특징으로 하는 청정연료의 제조방법.
- 컬럼(column) 구조의 반응기 본체 ;상기 반응기 본체 측면 중하단부에 형성되어 유기용매와 유기성 연료를 혼합한 슬러리를 주입하는 슬러리 유입부 ;반응기 본체 하단에 형성되어 침강하는 고체 잔류물질을 수용하고 이를 배출하는 고체 잔류물 배출부 ;상기 고체 잔류물 배출부와 상기 슬러리 유입부 사이에 형성되고, 교반기를 구비하여 유기성 연료에 함유된 유기 성분을 용매로 용해하는 추출부 ; 및상기 반응기 본체 상단부에 형성되며, 상기 유기성분이 용해된 용액이 상승하여 배출되는 추출용액 배출부를 포함하는 것을 특징으로 하는 유기 성분 추출 분리 반응기.
- 제 15항에 있어서, 상기 반응기는 상기 추출용액 배출부 아래에 상승된 고체 잔류물질을 필터링하는 여과부를 추가로 포함하는 것을 특징으로 하는 유기 성분 추출 분리 반응기.
- 제 16항에 있어서, 상기 여과부는 세라믹 또는 금속재질의 필터 및 필터 표면에 포집된 고체 잔류물질을 용매로 분사시켜 반응기 아래로 내려보내는 필터 세정부를 포함하는 것을 특징으로 하는 유기 성분 추출 분리 반응기.
- 제 15항에 있어서, 상기 반응기는 상기 슬러리 유입부로 주입된 슬러리와 고체 잔류물질이 상기 추출용액 배출부로 상승하면서 추출용액과 유기성 연료 및 고체 잔류물질로 중력침강에 의해 분리되는 침전부를 포함하는 것을 특징으로 하는 유기 성분 추출 분리 반응기.
- 제 18항에 있어서, 상기 침전부는 상기 슬러리 유입부와 추출용액 배출부 사이에 상기 슬러리와 고체 잔류물질이 소정시간 체류하도록 소정 높이를 구비하는 것을 특징으로 하는 유기 성분 추출 분리 반응기.
- 제 18항에 있어서, 상기 침전부는 유입되는 상기 슬러리의 난류 흐름을 줄여주는 정류기를 추가로 구비하는 것을 특징으로 하는 유기 성분 추출 분리 반응기.
- 제 15항에 있어서, 상기 반응기는 고체상 잔류 물질이 고체 잔류물 배출부로 침강하기 전에 이를 회수하여 상기 추출부로 보내는 순환부를 포함하고, 상기 순환부는 본체 하단 측면에 형성된 슬러리 유출부 및 이를 순환시키는 순환펌프를 구비하는 것을 특징으로 하는 유기 성분 추출 분리 반응기.
- 유기용매와 유기성 연료를 혼합한 슬러리에서 유기성분을 분리하는 방법에 있어서, 상기 방법은 상기 슬러리를 반응기의 중 하부 측면에 주입하고, 추출된 유기성분이 유기용매에 의해 용해된 추출용액은 상승 흐름에 의해 반응기 상층부를 통해 배출하고, 상기 유기용매에 용해되지 않은 고체상 잔류 물질은 반응기 하부로 중력 침강하여 배출하는 것을 특징으로 하는 유기성 연료에서 유기성분을 추출 분리하는 방법.
- 유기용매와 유기성 연료를 혼합하여 슬러리를 제조하고 수분을 제거하는 슬러리 제조기 ;상기 슬러리를 추출 용액과 고체 잔류물질로 분리하는 제 15항 내지 제 21항 중 어느 한 항의 추출 분리 반응기 ;상기 추출 분리 반응기의 상단에서 유출되는 추출용액을 건조하는 추출용액 건조기 ;상기 추출 분리 반응기의 하단에서 유출되는 고체 잔류물을 건조하는 잔류물 건조기를 포함하는 청청연료 제조장치.
- 제 23항에 있어서, 상기 장치는 상기 추출용액 건조기와 상기 잔류물 건조기로부터 발생하는 용매를 모아 열 회수를 통해 액화시키는 회수용매 처리기를 추가로 포함하는 것을 특징으로 하는 청청연료 제조장치.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2011374348A AU2011374348B2 (en) | 2011-08-04 | 2011-12-14 | Method for manufacturing clean fuel, and reactor for extracting and separating organic components therefor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0077779 | 2011-08-04 | ||
| KR1020110077779A KR101252466B1 (ko) | 2011-08-04 | 2011-08-04 | 청정연료의 제조방법, 이를 위한 유기성분 추출 분리 반응기 |
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| WO2013018959A1 true WO2013018959A1 (ko) | 2013-02-07 |
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| PCT/KR2011/009620 Ceased WO2013018959A1 (ko) | 2011-08-04 | 2011-12-14 | 청정연료의 제조방법, 이를 위한 유기성분 추출 분리 반응기 |
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| KR (1) | KR101252466B1 (ko) |
| AU (1) | AU2011374348B2 (ko) |
| WO (1) | WO2013018959A1 (ko) |
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| KR101543515B1 (ko) * | 2013-11-12 | 2015-08-11 | 한국에너지기술연구원 | 반응성이 증가된 무회분 복합탄의 제조방법, 이에 의한 무회분 복합탄 |
| KR20150113555A (ko) * | 2014-03-31 | 2015-10-08 | 한국에너지기술연구원 | 용해도 변화를 이용한 무회분 석탄의 제조방법 |
| RU2014116670A (ru) * | 2014-04-23 | 2015-10-27 | Петров Алексей Иванович | Способ комплексной переработки бурых углей и леонардита в гуминовые удобрения, препараты и в топливные брикеты и механохимический реактор переработки высоковязких сред |
| KR20180053798A (ko) * | 2016-11-14 | 2018-05-24 | 한국에너지기술연구원 | 싸이클론을 구비한 고형연료의 유기성분 추출 분리 반응기 |
| KR101879862B1 (ko) * | 2017-02-27 | 2018-08-16 | 한국에너지기술연구원 | 저온조건의 바이오매스내 회분유발성분을 제거한 연료 생산 시스템 |
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- 2011-08-04 KR KR1020110077779A patent/KR101252466B1/ko not_active Expired - Fee Related
- 2011-12-14 AU AU2011374348A patent/AU2011374348B2/en active Active
- 2011-12-14 WO PCT/KR2011/009620 patent/WO2013018959A1/ko not_active Ceased
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| KR101016873B1 (ko) * | 2005-12-15 | 2011-02-22 | 가부시키가이샤 고베 세이코쇼 | 석탄용 코팅제, 개질 석탄, 석탄용 코팅제의 제조 방법 및개질 석탄의 제조 방법 |
| KR20090016392A (ko) * | 2007-08-10 | 2009-02-13 | 가부시키가이샤 미죠타 | 유용 물질의 추출 방법과 그 장치 |
| KR100961981B1 (ko) * | 2007-11-22 | 2010-06-08 | 한국에너지기술연구원 | 용매의 열적추출에 의한 청정석탄의 제조 방법 및 그 장치 |
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| Publication number | Publication date |
|---|---|
| AU2011374348A1 (en) | 2013-04-04 |
| KR20130015660A (ko) | 2013-02-14 |
| AU2011374348B2 (en) | 2014-09-04 |
| KR101252466B1 (ko) | 2013-04-16 |
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