WO2010116722A1 - 高炉用コークスの製造方法 - Google Patents
高炉用コークスの製造方法 Download PDFInfo
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- WO2010116722A1 WO2010116722A1 PCT/JP2010/002509 JP2010002509W WO2010116722A1 WO 2010116722 A1 WO2010116722 A1 WO 2010116722A1 JP 2010002509 W JP2010002509 W JP 2010002509W WO 2010116722 A1 WO2010116722 A1 WO 2010116722A1
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- coke
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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
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/04—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition
- C10B57/06—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition containing additives
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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
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
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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, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- 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
- C10L5/10—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders
- C10L5/14—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders with organic binders
- C10L5/16—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders with organic binders with bituminous binders, e.g. tar, pitch
Definitions
- the present invention relates to a method for producing coke for blast furnace using a caking additive.
- raw coal (coal) 1 is pulverized to a predetermined particle size by a pulverizer 2 and sent to a kneader 3.
- the solid binder 4 is sized to a predetermined particle size configuration (fine particles having a particle size of less than 3 mm are 50 mass% or more) by a sizing machine 5 including a pulverizer, and supplied to the kneader 3 to feed the raw coal 1 And kneaded.
- a solid binder 4 having a similar particle size configuration to the raw coal 1 is mixed.
- the raw coal 1 has a particle size configuration in which coal particles having a particle size of less than 3 mm are 75 to 80 mass%. Furthermore, the coal 1 which mix
- the solid binder 4 is uniformly dispersed in the coal particles, and the raw coal 1 and the solid binder are dispersed.
- the contact area with 4 increases. Therefore, an ideal contact mode is obtained between the raw coal 1 and the solid binder 4 and the coke strength can be increased.
- the binder for example, tar, pitch, and petroleum-based binder are used.
- the caking material that is liquid at room temperature, such as tar is usually preferably kneaded uniformly into the raw coal.
- the caking material solid at room temperature such as pitch is usually kneaded with raw coal after being heated to a melting point or higher and liquefied.
- solid binders and liquid binders are known as binders.
- the inventor paid attention to a solid binder having a low softening point, which is a petroleum heavy residue such as asphalt, as a binder.
- This solid softening material having a low softening point has a viscosity of 10000 cP or more at room temperature and can be handled as a solid as shown by data A in FIG. 3, for example.
- the viscosity of the solid binder decreases due to the heat generated during pulverization and adheres to the apparatus. It becomes difficult. Therefore, a solid caking material having a low softening point is not suitable for fine graining.
- the solid binder having a low softening point is heated to 230 ° C. or higher using a heat source.
- a heating temperature of 230 ° C. cannot be obtained by ordinary industrial low-pressure steam, a heat source different from the above heat source is required, and the cost increases.
- the present invention has been made in view of such a viewpoint, and an object of the present invention is to provide a method for producing coke for blast furnace that can improve coke strength and reduce expansion pressure. Moreover, it aims at providing the manufacturing method of the coke for blast furnaces which can use the solid binding material of the low softening point which is difficult to handle as a binding material when it grind
- the gist of the present invention is as follows.
- a mixed raw material is prepared by mixing with a binder; the mixed raw material is subjected to dry distillation.
- the petroleum-based solid caking additive may have a softening point of 180 ° C. or lower.
- the petroleum-based solid caking additive may be asphalt pitch.
- the coal-based liquid binder may be coal tar.
- the heating temperature of the coal-based liquid binder may be 150 ° C. or less.
- the viscosity of the mixed binder at the temperature may be 100 cP or less.
- the raw coal may be pulverized coal.
- the pulverized coal may be obtained by classification after pulverizing coal.
- the coke strength is improved and the expansion pressure is reduced by adding to the raw coal a liquid mixed caking material obtained by mixing a coal-based liquid caking material and a petroleum-based solid caking material. I was able to suppress it.
- a normal industrial low-pressure steam is used by dissolving a petroleum-based solid binder such as asphalt in a coal-based liquid binder such as coal tar that has been heated.
- a solid binder having a low softening point can be handled industrially.
- FIG. 1 is a block diagram showing a first embodiment of a method for producing blast furnace coke according to the present invention.
- coal 1 which is coke raw coal is pulverized by a pulverizer 2 and supplied to a kneader 3.
- the coal-based liquid caking additive 8 is placed in the heating container 12.
- the heating container 12 is heated by a heater such as a heating coil to which normal industrial low-pressure steam is supplied.
- the temperature of the coal-based liquid binder 8 in the heating container 12 is not less than the liquefaction temperature of the liquid binder 8 and not more than the liquefaction temperature of the petroleum solid binder 11. This heating temperature is, for example, 140 ° C. Therefore, the liquid caking material 8 exists in the liquid in the heating container 12.
- the softening point is measured according to JIS K 2531.
- this softening point can be measured by ASTM D36 and converted to a softening point of JIS K 2531. Further, the temperature at which the viscosity becomes 100 cP is defined as the liquefaction temperature, and the state of the binder (solid or liquid) is determined on the basis of the viscosity (0.1 Pa ⁇ s) of 100 cP.
- a lump of petroleum-based solid binder 11 is charged into a heating container 12 containing the liquid binder 8 and the solid binder 11 is dissolved to prepare a liquid mixed binder 13.
- the mixed caking material 13 is kneaded with the coal 1 pulverized in the kneader 3 to prepare a mixed raw material.
- Coal 1 (mixed raw material) mixed with the mixed caking additive 11 is supplied to the coke oven 6, and the coal 1 (mixed raw material) is dry-distilled in the coke oven 6 to produce coke 7.
- the petroleum-based solid binder 11 is, for example, asphalt pitch, petroleum-based solvent asphalt, petroleum heavy fraction, or petroleum pitch.
- asphalt pitch as a heavy oil residue during crude oil refining is preferably used.
- the petroleum-based solid binder 11 may be a binder obtained by processing asphalt pitch.
- the coal-based liquid caking additive 8 is, for example, tar (coal tar), heavy tar medium, coal tar pitch, or soft pitch.
- tar coal tar
- the coal-based liquid binder 8 may be a binder obtained by processing tar (coal tar).
- FIG. 3 shows the relationship between the temperature and the viscosity of each binder as an example.
- the low-softening point solid binder A (data A in FIG. 3) is asphalt pitch.
- the liquid binder B (data B in FIG. 3) is coal tar.
- the liquid caking material C (data C in FIG. 3) is heavy coal tar obtained by removing light components of coal tar by distillation.
- the mixed binder M1 (data M1 in FIG. 3) is obtained by dissolving the solid binder A in the liquid binder C at a mass ratio of 3: 1.
- the mixed binder M2 (data M2 in FIG. 3) is obtained by dissolving the solid binder A in the liquid binder B at a mass ratio of 3: 1.
- the mixed binder M3 (data M3 in FIG. 3) is obtained by dissolving the solid binder A in the liquid binder B at a mass ratio of 1: 1.
- the viscosity of the liquid binders B and C is 100 cP or less and 100 cP or less.
- M1, M2 and M3 in FIG. 3 by mixing a solid binder A that cannot be liquefied alone at 140 ° C. or less with a liquid binder B or C, a mixed binder is obtained. Can be reduced to 100 cP or less at 140 ° C. Therefore, when the mass of the solid binder A is charged into the liquid binder B or C of the heating container 12 heated to 140 ° C., the solid binder A is dissolved.
- the coal-based liquid binder 8 in the heating vessel 12 is added to a temperature not higher than the liquefaction temperature of the petroleum-based solid binder 11 having a low softening point and not less than the liquefaction temperature of the coal-based liquid binder 8.
- the solid binder 11 having a low softening point is dissolved by heating the solid binder 11 having a low softening point into the liquid binder 8 in the heating container 12.
- the heating temperature of the coal-based liquid binder 8 in the heating container 12 is preferably 150 ° C. or less. In this case, the viscosity of the coal-based liquid binder 8 in the heating container 12 is 100 cP or less.
- the temperature of the coal-based liquid binder 8 is preferably 60 ° C. or higher. Even when the petroleum-based solid binder 11 is added, the temperature of the coal-based liquid binder 8 is maintained at a predetermined value by keeping the temperature of the heating container 12 at a constant value. Be drunk. Therefore, the temperature of the mixed binder 13 is the same as the temperature of the liquid binder 8. At this temperature, the viscosity of the mixed binder is preferably 100 cP or less.
- the petroleum-based solid binder 11 preferably has a softening point of 180 ° C. or lower in order to efficiently dissolve in the coal-based liquid binder 8.
- the temperature (liquefaction temperature) at which the viscosity of the petroleum-based solid binder 11 becomes 100 cP is 350 ° C. or less.
- the temperature (liquefaction temperature) at which the viscosity of the petroleum-based solid binder 11 becomes 100 cP or less may be 60 ° C. or higher in consideration of production conditions such as fractional distillation.
- the petroleum-based solid binder 11 is dissolved in the coal-based liquid binder 8 so that the temperature at which the viscosity of the mixed binder 13 becomes 100 cP or less is 150 ° C.
- the temperature at which the mixed binder 13 has a viscosity of 100 cP or less may be 40 ° C. or higher.
- the addition rate of all the caking additive (mixed caking additive) in coal (mixed raw material) is 0.5 mass% or more and 10 mass% or less.
- the unit amount of a caking additive compared with the case where only the solid caking additive 11 is added to the coal 1 by adding this mixed caking additive 13 to the refined coal 1.
- the amount of increase in the coke strength per hit can be greatly improved, and the expansion pressure can also be reduced.
- a petroleum-based solid binder having a low softening point can be used without difficulty in handling.
- Petroleum-based binder a binder with a low softening point
- the petroleum-based solid binder can be infiltrated between the coal particles by entraining the petroleum-based binder in a coal-based binder (liquid binder) that is easily compatible with the coal particles.
- the solid binder is extremely well dispersed between the coal particles. Coal particles are efficiently combined by the petroleum solid binder and the coal liquid binder, and the above-described effect of improving the coke strength is produced.
- a sufficient coke strength improvement effect can be obtained by dissolving a petroleum-based solid binder in a coal-based liquid binder (binder).
- the expansion pressure could be greatly suppressed. As described above, it is considered that the expansion pressure was greatly suppressed because the solid binder was sufficiently dispersed among the coal particles.
- FIG. 2 is a block diagram showing a second embodiment of a method for producing blast furnace coke according to the present invention.
- the liquid mixed binder 13 is prepared by introducing a lump of the solid binder 11 into the liquid binder 8 in the heating container 12. ing.
- the coal 1 pulverized by the pulverizer 2 is classified into pulverized coal 15 and coarse coal 16 in the dry classifier 14.
- the pulverized coal 15 is supplied to the kneader 3, and the mixed caking material 13 is added into the kneader 3.
- the pulverized coal 15 and the mixed caking material 13 are kneaded (mixed) to prepare a mixed raw material.
- the coarse coal 16 is added to the pulverized coal 15 (mixed raw material) mixed with the mixed caking material 13 and sent to the coke oven 6.
- the pulverized coal 15 and the coarse coal 16 are subjected to dry distillation in the coke oven 6 to produce the coke 7. Also in this case, the coke strength could be improved and the expansion pressure could be reduced.
- the raw coal to be mixed with the mixed caking additive may be pulverized coal.
- this pulverized coal may be obtained by classifying after pulverizing the coal.
- the coarse coal need not be directly mixed with the mixed caking material, and may be mixed with the above-mentioned mixed raw material.
- a method at least common to the first embodiment and the second embodiment described above is as follows.
- the coal-based liquid binder is heated to a temperature not lower than the liquefaction temperature of the coal-based liquid binder and not higher than the liquefaction temperature of the petroleum-based solid binder.
- a mixed solid binder is prepared by dissolving a petroleum solid binder in a coal-based liquid binder.
- this mixed caking material and raw coal are mixed to prepare a mixed raw material, this mixed raw material is subjected to dry distillation to produce coke.
- the coke strength can be increased and the coke yield can be improved. Further, the expansion pressure of the raw coal charged in the coke oven is suppressed, and the load on the coke oven can be reduced. Furthermore, it is possible to easily handle an inexpensive solid softening material having a low softening point, which is difficult to use industrially, and to maximize the caking properties of the solid binding material.
- Table 1 shows petroleum-based solid binders A1 to A3 and coal-based liquid binders B and C.
- the petroleum-based solid binders A1 to A3 in Table 1 have a low softening point of 180 ° C. or less.
- Table 2 shows the coke raw material conditions of Examples 1 to 7 and Comparative Examples 1 to 7, and coke production results such as coke strength and expansion pressure.
- a lump of petroleum-based solid binder A1, A2, or A3 shown in Table 1 was dissolved in a coal-based liquid binder B or C at 100 ° C to 150 ° C and mixed caking. The material was obtained. Furthermore, this mixed caking additive was added to raw coal.
- Comparative Examples 2 and 4 to 7 petroleum-based solid caking additive A1 is used after being pulverized. After mixing the coke raw materials shown in Table 2, coke was produced by dry distillation.
- the raw coal b in Table 2 is a blended coal having a volatile content VM of 27.0% and a total expansion coefficient TD of 70%.
- the volatile content VM is determined by the volatile content determination method of JIS M 8812 “Industrial analysis method for coals and cokes”.
- the total expansion rate TD (hereinafter referred to as “TD (%)”) is the sum of the shrinkage rate and the expansion rate measured by the expansibility test method of JIS M8801.
- the softening point in Table 1 was measured by the softening point test method of JIS K2531 (method similar to ASTM D36). Further, the coke strength D 150 15 in Table 2 was measured by the rotational strength test method (drum method) of JIS K 2151.
- the expansion pressure in Table 2 was measured by the following method. A blended coal with a moisture content adjusted to 3% was charged into a movable wall type test coke oven having a furnace width of 400 mm, a furnace length of 1000 mm, and a furnace height of 1000 mm at a charging density of 0.85 t / m 3. At room temperature for 18 hours. The load acting on the movable wall during the carbonization was continuously measured, and the expansion pressure was determined by dividing the measured maximum load by the furnace wall area in contact with the coal.
- Comparative Example 1 As shown in Table 2, in Comparative Example 1, no caking additive was added to the raw coal. In this case, the produced coke had a coke strength DI 150 15 (drum index DI 150 15 ) of 84.0.
- the increase in coke strength (DI increase ⁇ DI 150 15 ) in Comparative Examples 2 to 7 and Examples 1 to 7 is calculated based on the coke strength of Comparative Example 1. That is, the amount of increase in coke strength is the difference from the coke strength of Comparative Example 1.
- the expansion pressure was 10.0 kPa. If this expansion pressure is too high, the furnace wall of the coke oven or the like may be damaged, so suppression of the expansion pressure is desired.
- Comparative Example 2 a refined petroleum solid caking additive A1 (the ratio of particles having a particle diameter of less than 3 mm is 85 mass%) was added to the raw coal b.
- the addition rate of petroleum-based solid caking additive A1 with respect to all raw materials was 3 mass%.
- the coke strength DI 150 15 increased by 0.9, and the expansion pressure decreased.
- the solid binder A1 can be made fine by pulverization at the laboratory level.
- the solid binder A1 is industrially softened (decrease in viscosity) by heat during pulverization, it cannot be finely divided.
- the caking additive total addition rate totaled the addition rate of all caking additive (a solid caking additive and a liquid caking additive).
- the coke strength improvement effect (DI improvement effect ⁇ DI 150 15 / mass%) is an increase in coke strength per 1 mass% of the added binder.
- the effect of improving the coke strength was calculated by dividing the increase in coke strength by the total binder addition rate.
- the coke strength improvement effect (DI improvement effect) was 0.30 (0.9 / 3) / mass%.
- Comparative Example 3 only the coal-based liquid caking additive B was added to the raw coal b.
- the addition rate of the coal-based liquid caking additive B with respect to all raw materials was 3 mass%.
- Comparative Examples 1 and 2 the coke strength increased and the expansion pressure decreased. Further, the DI improvement effect was greater than that of Comparative Example 2. From the comparison between Comparative Example 2 and Comparative Example 3, it can be seen that the liquid caking material that easily penetrates into the raw coal binds effectively between the raw coals.
- the solid binder A1 (the ratio of particles having a particle diameter of less than 3 mm was fined by pulverization) and the liquid binder B were added to the raw coal b.
- the addition rate of the solid binder A1 was 0.75 mass%
- the addition rate of the liquid binder B was 2.25 mass%
- the total binder addition rate was 3 mass%.
- the addition rate of the solid binder A1 was 1.5 mass%
- the addition rate of the liquid binder B was 1.5 mass%
- the total binder addition rate was 3 mass%.
- Example 1 the mixed binder obtained by dissolving the solid binder A1 in the liquid binder B according to the first embodiment of the present invention was added to the raw coal b.
- the addition rate of the solid binder A1 was 0.75 mass%
- the addition rate of the liquid binder B was 2.25 mass%
- the total binder addition rate was 3 mass%.
- the addition rate of the solid binder A1 was 1.5 mass%
- the addition rate of the liquid binder B was 1.5 mass%
- the total binder addition rate was 3 mass%.
- Example 3 the addition rate of the solid binder A1 was 0.3 mass%
- the addition rate of the liquid binder B was 2.7 mass%
- the total binder addition rate was 3 mass%.
- the addition rate of the solid binder A1 was 1 mass%
- the addition rate of the liquid binder B was 3 mass%
- the total binder addition rate was 4 mass%.
- Example 5 the mixed binder obtained by dissolving the solid binder A1 in the liquid binder C according to the first embodiment of the present invention was added to the raw coal b.
- the addition rate of the solid binder A1 was 1 mass%
- the addition rate of the liquid binder B was 3 mass%
- the total binder addition rate was 4 mass%.
- Example 6 the mixed binder obtained by dissolving the solid binder A2 in the liquid binder B according to the first embodiment of the present invention was added to the raw coal b.
- the addition rate of the solid binder A2 was 1 mass%
- the addition rate of the liquid binder B was 3 mass%
- the total addition rate of the binder was 4 mass%.
- Example 7 the mixed binder obtained by dissolving the solid binder A3 in the liquid binder B according to the first embodiment of the present invention described above was added to the raw coal b.
- the addition rate of the solid binder A3 was 1 mass%
- the addition rate of the liquid binder B was 3 mass%
- the total addition rate of the binder was 4 mass%.
- Comparative Example 4 and Example 1 Comparative Example 5 and Example 2, Comparative Example 6 and Example 3, and Comparative Example 7 and Example 4, the solid binder A1 and the liquid binder B Are added at the same rate. Further, in Comparative Example 7 and Examples 5 to 7, the addition rates of the solid binder and the liquid binder are the same, and the types of the solid binder and the liquid binder are different.
- Comparative Examples 4 to 7 and Examples 1 to 7 compared with Comparative Examples 1 and 2, the coke strength increased and the expansion pressure decreased.
- Table 3 for the Comparative Examples 4 to 7 and Examples 1 to 7 shown in Table 2, the coke strength, the expansion pressure, the coke strength increase amount, and the DI improvement effect are added to the above-mentioned binder addition amounts. Summarized accordingly.
- the coke strength of Examples 1 to 7 was larger than the coke strength of the corresponding Comparative Examples 4 to 7. Further, the expansion pressure in Examples 1 to 7 was smaller than the expansion pressure in the corresponding Comparative Examples 4 to 7. In particular, in Examples 4 to 7, the expansion pressure was further suppressed.
- the DI improvement effects of Examples 1 to 7 were all 0.6 or more, which was larger than the DI improvement effects of Comparative Examples 4 to 7. In addition, the DI improvement effect of Examples 1 to 7 was more than twice the DI improvement effect of Comparative Example 2 in which only the solid binder A1 was added.
- the coke strength of Comparative Example 3 in which only 3% by mass of the liquid binder was added was 85.8, and the expansion pressure was 7.0 kPa.
- the coke strength was greatly increased to 86.4 or more, and the expansion pressure was increased to 6.1 kPa or less. It was possible to reduce.
- handling of the mixed binder containing the solid binder was as easy as handling of the liquid binder.
- the caking properties of the solid caking material could be utilized to the maximum.
- the solid caking material can be used as a liquid caking material added to the coke raw coal, and the coke strength can be improved and the expansion pressure can be reduced.
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Abstract
Description
本願は、2009年4月9日に、日本に出願された特願2009-094521号に基づき優先権を主張し、その内容をここに援用する。
(1)高炉用コークスの製造方法であって、石炭系の液体粘結材の粘度が100cPとなる液化温度以上かつ石油系の固体粘結材の粘度が100cPとなる液化温度以下の温度に前記石炭系の前記液体粘結材を加温し;前記石炭系の前記液体粘結材に前記石油系の前記固体粘結材を溶解させて混合粘結材を調製し;原料炭を前記混合粘結材と混合して混合原料を調製し;前記混合原料を乾留する。
(2)上記(1)に記載の高炉用コークスの製造方法では、前記石油系の前記固体粘結材は、180℃以下の軟化点を有してもよい。
(3)上記(1)に記載の高炉用コークスの製造方法では、前記石油系の前記固体粘結材は、アスファルトピッチであってもよい。
(4)上記(1)に記載の高炉用コークスの製造方法では、前記石炭系の前記液体粘結材は、コールタールであってもよい。
(5)上記(1)に記載の高炉用コークスの製造方法では、前記石炭系の前記液体粘結材の加温温度は、150℃以下であってもよい。
(6)上記(1)に記載の高炉用コークスの製造方法では、前記温度における前記混合粘結材の粘度が100cP以下であってもよい。
(7)上記(1)に記載の高炉用コークスの製造方法では、前記原料炭は、微粉炭であってもよい。
(8)上記(7)に記載の高炉用コークスの製造方法では、前記微粉炭は、石炭を粉砕した後分級して得られてもよい。
図1は、本発明による高炉用コークスの製造方法の第1実施形態を示すブロック図である。
図2は、本発明による高炉用コークスの製造方法の第2実施形態を示すブロック図である。
2 粉砕機
3 混練機
4 固体粘結材
5 整粒機
6 コークス炉
7 コークス
8 液体粘結材
11 固体粘結材
12 加温容器
13 混合粘結材
14 乾燥分級機
15 微粉炭
16 粗粒炭
Claims (8)
- 石炭系の液体粘結材の粘度が100cPとなる液化温度以上かつ石油系の固体粘結材の粘度が100cPとなる液化温度以下の温度に前記石炭系の前記液体粘結材を加温し;
前記石炭系の前記液体粘結材に前記石油系の前記固体粘結材を溶解させて混合粘結材を調製し;
原料炭を前記混合粘結材と混合して混合原料を調製し;
前記混合原料を乾留する;
ことを特徴とする高炉用コークスの製造方法。 - 前記石油系の前記固体粘結材は、180℃以下の軟化点を有することを特徴とする請求項1に記載の高炉用コークスの製造方法。
- 前記石油系の前記固体粘結材は、アスファルトピッチであることを特徴とする請求項1に記載の高炉用コークスの製造方法。
- 前記石炭系の前記液体粘結材は、コールタールであることを特徴とする請求項1に記載の高炉用コークスの製造方法。
- 前記石炭系の前記液体粘結材の加温温度は、150℃以下であることを特徴とする請求項1に記載の高炉用コークスの製造方法。
- 前記温度における前記混合粘結材の粘度が100cP以下であることを特徴とする請求項1に記載の高炉用コークスの製造方法。
- 前記原料炭は、微粉炭であることを特徴とする請求項1に記載の高炉用コークスの製造方法。
- 前記微粉炭は、石炭を粉砕した後分級して得られることを特徴とする請求項7に記載の高炉用コークスの製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201080015352.4A CN102378805B (zh) | 2009-04-09 | 2010-04-06 | 高炉用焦炭的制造方法 |
KR1020117023475A KR101362517B1 (ko) | 2009-04-09 | 2010-04-06 | 고로용 코크스의 제조 방법 |
JP2010531179A JP4757956B2 (ja) | 2009-04-09 | 2010-04-06 | 高炉用コークスの製造方法 |
BRPI1013823A BRPI1013823B1 (pt) | 2009-04-09 | 2010-04-06 | método de produção de coque de alto forno. |
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KR (1) | KR101362517B1 (ja) |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011105480A1 (ja) * | 2010-02-25 | 2011-09-01 | 新日本製鐵株式会社 | 高強度コークスの製造方法 |
CN102559225A (zh) * | 2011-12-05 | 2012-07-11 | 邹建明 | 电解铝废料加工焦炭的方法及专用装置 |
JP2013203812A (ja) * | 2012-03-27 | 2013-10-07 | Jfe Steel Corp | 改質炭の製造方法 |
JP2014070125A (ja) * | 2012-09-28 | 2014-04-21 | Nippon Steel & Sumitomo Metal | 成型炭の製造方法 |
Families Citing this family (2)
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CN102585879A (zh) * | 2011-12-27 | 2012-07-18 | 何巨堂 | 一种煤基重油加工方法 |
KR102610214B1 (ko) * | 2021-08-12 | 2023-12-04 | 재단법인 포항산업과학연구원 | 이차전지 음극재 제조용 조립 탄화 반응기 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51147503A (en) * | 1975-06-12 | 1976-12-17 | Sumikin Coke Co Ltd | Caking agent for briquette coal |
JPS523402B2 (ja) * | 1972-04-19 | 1977-01-27 | ||
JPS56118486A (en) * | 1980-02-25 | 1981-09-17 | Kashima Sekiyu Kk | Preparation of metallurgic coke |
JPS5720359B2 (ja) * | 1975-04-17 | 1982-04-28 | ||
JPH10183136A (ja) * | 1996-12-26 | 1998-07-14 | Nippon Steel Chem Co Ltd | コークス製造用原料炭の事前処理方法及びコークスの製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56118494A (en) * | 1980-02-25 | 1981-09-17 | Kashima Sekiyu Kk | Preparation of briquette |
CN1560195A (zh) * | 2004-03-12 | 2005-01-05 | 李玉林 | 以焦粉为主要原料的型焦的生产方法及专用型焦炉 |
CN1268717C (zh) * | 2005-02-05 | 2006-08-09 | 昆明煤炭科学研究所 | 一种铸造焦炭的制备方法 |
US7846301B2 (en) * | 2005-05-13 | 2010-12-07 | Nippon Steel Corporation | Method of production of blast furnace coke |
-
2010
- 2010-04-06 JP JP2010531179A patent/JP4757956B2/ja active Active
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- 2010-04-06 KR KR1020117023475A patent/KR101362517B1/ko active IP Right Grant
- 2010-04-06 CN CN201080015352.4A patent/CN102378805B/zh active Active
- 2010-04-06 WO PCT/JP2010/002509 patent/WO2010116722A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS523402B2 (ja) * | 1972-04-19 | 1977-01-27 | ||
JPS5720359B2 (ja) * | 1975-04-17 | 1982-04-28 | ||
JPS51147503A (en) * | 1975-06-12 | 1976-12-17 | Sumikin Coke Co Ltd | Caking agent for briquette coal |
JPS56118486A (en) * | 1980-02-25 | 1981-09-17 | Kashima Sekiyu Kk | Preparation of metallurgic coke |
JPH10183136A (ja) * | 1996-12-26 | 1998-07-14 | Nippon Steel Chem Co Ltd | コークス製造用原料炭の事前処理方法及びコークスの製造方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011105480A1 (ja) * | 2010-02-25 | 2011-09-01 | 新日本製鐵株式会社 | 高強度コークスの製造方法 |
CN102559225A (zh) * | 2011-12-05 | 2012-07-11 | 邹建明 | 电解铝废料加工焦炭的方法及专用装置 |
JP2013203812A (ja) * | 2012-03-27 | 2013-10-07 | Jfe Steel Corp | 改質炭の製造方法 |
JP2014070125A (ja) * | 2012-09-28 | 2014-04-21 | Nippon Steel & Sumitomo Metal | 成型炭の製造方法 |
Also Published As
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BRPI1013823B1 (pt) | 2018-10-16 |
BRPI1013823A2 (pt) | 2016-04-05 |
CN102378805B (zh) | 2015-08-19 |
JPWO2010116722A1 (ja) | 2012-10-18 |
KR20110121726A (ko) | 2011-11-08 |
KR101362517B1 (ko) | 2014-02-13 |
JP4757956B2 (ja) | 2011-08-24 |
CN102378805A (zh) | 2012-03-14 |
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