AU2005312364B2 - Method for producing lump semicoke - Google Patents
Method for producing lump semicoke Download PDFInfo
- Publication number
- AU2005312364B2 AU2005312364B2 AU2005312364A AU2005312364A AU2005312364B2 AU 2005312364 B2 AU2005312364 B2 AU 2005312364B2 AU 2005312364 A AU2005312364 A AU 2005312364A AU 2005312364 A AU2005312364 A AU 2005312364A AU 2005312364 B2 AU2005312364 B2 AU 2005312364B2
- Authority
- AU
- Australia
- Prior art keywords
- semicoke
- coal
- lump
- bed
- producing
- 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.)
- Ceased
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000003245 coal Substances 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 7
- 230000001535 kindling effect Effects 0.000 claims description 4
- 238000007669 thermal treatment Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 239000012265 solid product Substances 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000003763 carbonization Methods 0.000 description 6
- 239000002737 fuel gas Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229960000907 methylthioninium chloride Drugs 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- 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
- C10B53/08—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form in the form of briquettes, lumps and the like
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Carbon And Carbon Compounds (AREA)
- Coke Industry (AREA)
Description
METHOD FOR PRODUCING LUMP SEMICOKE Field of the invention The invention is related to a field of producing lump semicoke and can be used in metallurgy. Background of the invention Known is a method for producing lump semicoke by distillation of solid carbon containing raw materials in a vertical autothernal apparatus of the shaft type using blast furnace air comprising heating, drying and carbonating said raw material, discharging the semicoke so produced from below and the withdrawal of fuel gas, said blast furnace air is added with a product fuel gas having the exit temperature of the apparatus in the concentration not exceeding the lower limit of gas inflammation with about 8-10% of the gas added to said blast furnace air of the volume of the fuel gas thus produced with a carbonization temperature of between 920 and 950"C while said blast furnace air is provided from the side opposite coal kindling with a blast intensity of 100 - 400 m 3 /m 2 -hr (RU 2169166 CI). The closest to the claimed method as to the result being obtained and technical essence is a method for producing a carbon adsorbent in a vertical apparatus of the shaft type with internal heating-up by burning the volatile matter and a portion of the carbon residue in a coal bed blown by an air flow (RU 2014883). The method calls for firing the coal bed from the side opposite blast furnace air supply. A combustion front is shifted toward the air flow and a solid residue is left behind the front containing the carbon that has not been burned out. With movement of the combustion front, the coal bed is passed in succession thru the steps of heating, drying and carbonization. A gas-vapor mixture of carbonization products and a portion of the solid carbon residue are reacted with atmospheric oxygen until it is completely exhausted to create a combustion front with a temperature of from 750 to 900"C, with a zone of reducing combustion products formed behind the combustion front (CO 2 and H 2 O) up to a carbon/hydrogen oxide. The fuel gas is withdrawn from the apparatus for the subsequent treatment and use. And the solid residue has high internal porosity (above 60%) that provides a high sorption activity of the product and its subsequent use as adsorbent. The disadvantages of said method are as follows: Despite closeness to lump semicoke as to a chemical composition, the product being produced has a limited field of use in metallurgy because of an increased content of tiny fractions, low density and increased ash content. High porosity much reduces the strength of a 2 carbon residue. A disadvantage is also a decreased specific output of solid product due to a substantial combustion loss of starting carbon-containing raw materials. Summary of the invention s According to a first aspect of the present invention, there is provided a method for producing lump semicoke comprising the thermal treatment of a coal bed in a vertical shaft-type apparatus on kindling from the side opposite air supply, wherein the coal bed used is represented by coal having a fraction of 20 - 70 mm and air is supplied through the coal bed with a relative blowing rate of 70 99.5 m 3 /m 2 .hr, in relation to a coal rank. 10 According to a second aspect of the present invention, there is provided lump semicoke produced by the method of the first aspect. The invention solves the task of raising the quality of the solid product so obtained that meets the requirements imposed on lump semicoke. The technical result resides in, at the time of using the invention, obtaining a solid product is having higher strength and density, a low ash content and also a bigger average size of a lump and in increasing the specific output of the solid product. Said technical result is achieved owing to the fact that a coal bed is represented by the coal having fractions of 20 to 70 mm and air is supplied through said coal bed with a relative blowing rate of 70 - 99.5 m 3 /m 2 .hr, according to a coal rank. 20 Detailed description A method for producing lump semicoke is carried out in the following manner. A verticle shaft-type apparatus is charged by overall height with crushed coal having fractions of 20 - 70 mm, blast furnace air is supplied with a relative blowing rate of 70 to 99.5 25 m 3 /m 2 .hr (according to a coal rank), kindling a coal bed from the side opposite blast supply. The formable front of carbonization is shifted at constant speed toward an air flow and a hot semicoke bed remains behind the front. On passage through the front of carbonization, the coal is gradually passed through the steps of heating, drying and pyrolysis. The combustible components of pyrolysis products burn up completely in atmospheric oxygen to form carbon dioxide and a water 30 steam and then transform by reduction on the hot surface of said semicoke into the combustible components of gas (carbon oxide and hydrogen) that is devoid of the pyrolysis products. On reaching a bed side by the front of carbonization, which is opposite a firing side, the process is completed. The semicoke bed is cooled and discharged from a lower side of the vertical apparatus.
2a In the examples illustrating a method, use is made of a vertical shaft-type apparatus having a root dia. of 0.5 m and a height of 1.5 m. Example 1 5 Raw material is coal having fraction of 20 to 60 mm (Shoubarkol coal, rank D, Kazakhstan) having the following technical and elemental composition: W't=12.2% Cdaf=779% Ad=2,4% Hda'=5.3% Vda f=44% Ndaf=1.2% Q0 rt=25.7 MJ/kg Qda=1 5/16% Sdaf=0.44% 3 Some 160 kg of crushed coal are charged into an apparatus. A bed is fired from top. Blast furnace air is supplied from below. On reaching a lower side of coal by a combustion front, the process is completed. Relative blowing rate 99.5 rn 3 /m 2 -hr Movement speed of combustion front 11.5 cm/hr Semicoke specific output 42.4 kg/m 2 -hr Output of semicoke 48.6% Output of fuel gas 165 m 3 /m 2 -hr Latent heat of raw gas combustion 2.4 MJ/m 3 Semicoke ash content A = 5.4% Semicoke apparent density 0.68 g/m 3 Semicoke structural strength 74.8% Semicoke granulometric composition over 20 mm - 25% 10 - 20 mm - 58% 5 - 10 mm - 11% less than 5 mm - 6% Example 2 Raw material is coal having fraction of 10 to 60 mm (Berezovsk, rank E2, Kansko Achinsk basin) having the following technical and elemental composition: W, = 10% CaI= 71% Ak = 7(/ Haar=5.1% Vaar= 48% Naar= 0.7% Q'= 22.08 MJ/kg Qar"= 22.3% Sdar= 0.3% Some 123 kg of crushed coal are charged into an apparatus. A bed is kindled from top. Blast furnace air is supplied from below. On reaching a lower side of a coal bed by a combustion front, the process is completed. Relative blowing rate 76.4 m 3 /m 2 -hr Movement speed of combustion front 9.2 cm/hr Semicoke specific output 27.7 kg/m 2 -hr Output of semicoke 43% Output of fuel gas 100.2 m 3 /m 2 -hr Latent heat of raw gas combustion 2.32 MJ/n 3 Semicoke ash content A = 15% Semicoke density 0.45 g/m 3 Semicoke strength 60%% Semicoke granulometric composition 5 -- 10 mm - 21.5% less than 5mm - 78.5% 4 Example 3 (comparative) Some 135 kg of coal having a fraction of 5 - 20 mm, rank 52 (Borodino coal) are charged into an apparatus. Technical and elemental composition: W,= 30% C'"'= 71% Ad=0 H a=5% A, = 90'/. Hdaf=5 Vaa =22.5% N(lar=1% Sa'r=0.5% Blast furnace air is supplied from below at a discharge rate of 35 m 3 /hr; coal is kindled from top. In eight hours, a combustion front reaches the level of air supply and the apparatus is discharged. The output of an adsorbent was 37 kg or 27.4% of starting coal. Parameters thereof: humidity 0.5%, ash content 21 - 28%, bulk density 0.45 g/cm 3 , abrasion resistance (GOST 16188-70) 85 - 86%, total pore volume 0.6 cm3/g, specific pore surface 850 m 2 /g, adsorption activity in terms of iodine (GOST 6217-74) - 68.6% and methylene blue (GOST 6217-74) 28 - 60 mg/g. Thus, the claimed method allows one to obtain a solid product having higher strength and density, a low ash content and also a larger average size of a lump and to increase a specific output of the solid product (cf. Table). Table Example I Example 2 Example 3 (comparative) Coal fraction size, mm 20 -60 20 - 60 5 - 20 Relative blowing rate 99.5 76.4 100 - 400 m 3/m 2 hr Ash content Ad, % 5.4 15 21 -28 Structural strength 74.8 60 semicoke, % Apparent density, 0.68 0.45 semicoke g/m 3 Solid product, output 48.6 43 27.4
Claims (3)
1. A method for producing lump semicoke comprising the thermal treatment of a coal bed in a vertical shaft-type apparatus on kindling from the side opposite air supply, wherein the coal bed used is represented by coal having a fraction of 20 - 70 mm and air is supplied through the coal s bed with a relative blowing rate of 70 - 99.5 m 3 /m 2 -hr, in relation to a coal rank.
2. A method for producing lump semicoke, said method as claimed in claim 1 and substantially as hereinbefore described with reference to any one of the examples.
3. Lump semicoke produced by the method of claim 1 or 2. 10 Dated 8 July, 2010 Zakrytoe akcionernoe obschestbo "CARBONICA-F" Patent Attorneys for the Applicant/Nominated Person SPRUSON & FERGUSON
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2004135326/04A RU2275407C1 (en) | 2004-12-03 | 2004-12-03 | Metallurgical semicoke manufacturing process |
| RU2004135326 | 2004-12-03 | ||
| PCT/RU2005/000162 WO2006062432A1 (en) | 2004-12-03 | 2005-04-01 | Method for producing lump semicoke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2005312364A1 AU2005312364A1 (en) | 2006-06-15 |
| AU2005312364B2 true AU2005312364B2 (en) | 2010-08-05 |
Family
ID=36578172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2005312364A Ceased AU2005312364B2 (en) | 2004-12-03 | 2005-04-01 | Method for producing lump semicoke |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20080190754A1 (en) |
| AU (1) | AU2005312364B2 (en) |
| CA (1) | CA2589727A1 (en) |
| CZ (1) | CZ305766B6 (en) |
| DE (1) | DE112005003101T5 (en) |
| RU (1) | RU2275407C1 (en) |
| SK (1) | SK288409B6 (en) |
| UA (1) | UA83961C2 (en) |
| WO (1) | WO2006062432A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2008143627A (en) * | 2008-11-06 | 2010-05-20 | Закрытое Акционерное Общество "Карбоника-Ф" (Ru) | COAL PROCESSING METHOD AND DEVICE FOR ITS IMPLEMENTATION |
| RU2666420C1 (en) | 2017-11-20 | 2018-09-07 | Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" | Method of obtaining restorer for production of technical silicon |
| RU2722557C2 (en) * | 2018-04-11 | 2020-06-01 | Сергей Григорьевич Степанов | Coal processing method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4883499A (en) * | 1988-05-06 | 1989-11-28 | Beierle Frederick P | Process adapted to produce synthesis gas and activated carbon from organic input material |
| RU2014883C1 (en) * | 1993-08-16 | 1994-06-30 | Исламов Сергей Романович | Method for producing carbon adsorbent |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB369394A (en) * | 1931-03-20 | 1932-03-24 | Hugh Edward Powell | Improvements in or relating to processes for the production of smokeless fuel |
| US2996437A (en) * | 1957-01-30 | 1961-08-15 | Otto & Co Gmbh Dr C | Process and device for coking of fuels |
| US3272721A (en) * | 1963-11-21 | 1966-09-13 | Harvey Aluminum Inc | Process for desulfurizing and coking high sulfur content coal |
| US3355363A (en) * | 1964-02-14 | 1967-11-28 | Stanley J Gasior | Method of producing a nonagglomerating char from a strongly caking coal |
| US3525674A (en) * | 1966-05-23 | 1970-08-25 | Barnebey Cheney Co | Submerged combustion carbonization |
| DE1921710A1 (en) * | 1969-04-29 | 1971-01-28 | Rheinische Braunkohlenw Ag | Method and device for coking lignite, in particular raw lignite |
| US4201655A (en) * | 1976-12-17 | 1980-05-06 | Continental Oil Company | Process for making metallurgical coke |
| FI60402C (en) * | 1978-11-28 | 1982-01-11 | Outokumpu Oy | FOERFARANDE OCH ANORDNING FOER FRAMSTAELLNING AV KOKS ELLER AKTIVT KOL FRAON FUKTIG ORGANISK SUBSTANS |
| CS215714B1 (en) * | 1980-01-25 | 1982-09-15 | Petr Buryan | Process for producing pitch coke |
| DE3614757A1 (en) * | 1985-05-06 | 1987-11-05 | Didier Eng | Process, vessel and plant for the manufacture of coke |
| RU2014882C1 (en) * | 1992-11-11 | 1994-06-30 | Исламов Сергей Романович | Process for producing adsorbent |
| CZ287437B6 (en) * | 1995-02-20 | 2000-11-15 | Miloslav Ing. Vítek | Continuous production process of low-temperature coke |
| US6830660B1 (en) * | 1998-07-29 | 2004-12-14 | Jfe Steel Corporation | Method for producing metallurgical coke |
| JP4608752B2 (en) * | 1999-10-20 | 2011-01-12 | Ｊｆｅスチール株式会社 | High reactivity high strength coke for blast furnace and method for producing the same |
| RU2169166C1 (en) * | 2000-07-06 | 2001-06-20 | ЗАО "Карбоника-Ф" | Method of preparing semicoke |
-
2004
- 2004-12-03 RU RU2004135326/04A patent/RU2275407C1/en active
-
2005
- 2005-04-01 AU AU2005312364A patent/AU2005312364B2/en not_active Ceased
- 2005-04-01 CA CA002589727A patent/CA2589727A1/en not_active Abandoned
- 2005-04-01 UA UAA200707395A patent/UA83961C2/en unknown
- 2005-04-01 WO PCT/RU2005/000162 patent/WO2006062432A1/en not_active Ceased
- 2005-04-01 US US11/792,276 patent/US20080190754A1/en not_active Abandoned
- 2005-04-01 DE DE112005003101T patent/DE112005003101T5/en not_active Ceased
- 2005-04-01 CZ CZ2007-437A patent/CZ305766B6/en not_active IP Right Cessation
- 2005-04-01 SK SK5085-2007A patent/SK288409B6/en not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4883499A (en) * | 1988-05-06 | 1989-11-28 | Beierle Frederick P | Process adapted to produce synthesis gas and activated carbon from organic input material |
| RU2014883C1 (en) * | 1993-08-16 | 1994-06-30 | Исламов Сергей Романович | Method for producing carbon adsorbent |
Also Published As
| Publication number | Publication date |
|---|---|
| CZ305766B6 (en) | 2016-03-09 |
| AU2005312364A1 (en) | 2006-06-15 |
| UA83961C2 (en) | 2008-08-26 |
| RU2275407C1 (en) | 2006-04-27 |
| DE112005003101T5 (en) | 2007-10-31 |
| CZ2007437A3 (en) | 2007-09-26 |
| CA2589727A1 (en) | 2006-06-15 |
| US20080190754A1 (en) | 2008-08-14 |
| SK50852007A3 (en) | 2008-01-07 |
| WO2006062432A1 (en) | 2006-06-15 |
| SK288409B6 (en) | 2016-10-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGA | Letters patent sealed or granted (standard patent) | ||
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |