CN109294608A - A kind of coal quality classification method of coking coal and the coke making and coal blending method of participation - Google Patents
A kind of coal quality classification method of coking coal and the coke making and coal blending method of participation Download PDFInfo
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- CN109294608A CN109294608A CN201811521357.9A CN201811521357A CN109294608A CN 109294608 A CN109294608 A CN 109294608A CN 201811521357 A CN201811521357 A CN 201811521357A CN 109294608 A CN109294608 A CN 109294608A
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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
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Abstract
The invention discloses a kind of coal quality classification methods of coking coal, the following steps are included: 1) determine the index for influencing coking coal coking capacity: with dry ash free basis volatile matter, measurement sub- dilation b difficult to understand, vitrinite is averaged maximum reflectivity, Ji Shi maximum fluidity and charred coal organization structure are as the index for determining coking coal coking capacity, by measuring dry ash free basis volatile matter, measurement sub- dilation b difficult to understand, vitrinite is averaged maximum reflectivity, Ji Shi maximum fluidity and charred coal organization structure overcome the apparent limitation of existing classification indicators as coking coal coking capacity is determined, keep the classification of coking coal more reasonable, accurately, reach optimization adapted, the effect of its effect is played to the maximum extent, sub- dilation index difficult to understand is applied to coking coal and utilizes technology and mixed coal utilization technology, deeply excavate coking coal Coal Characteristics, make resource optimization Reasonable adapted.
Description
Technical field
The present invention relates to Coking Coal Blending Technology field, the coal quality classification method of specially a kind of coking coal and the coking of participation
Blending method.
Background technique
Rich coal plays the rheological characteristic and dilatancy of adjustment mixed coal in coal-blending coking, can a certain amount of weak sticky coking of adapted
Coal, while certain granular texture support Thermal Properties of Coke being provided and is done according to Chinese Coal Classification standard (GB 5751-2009)
The refining of dry ash free basis volatile matter Vdaf > 10.0-37.0%, adhesive index value > 85, maximum thick ness of plastic layer Y value > 25.0mm
Coking coal is divided into rich coal, but since coking coal coal quality is not only influenced by geological epoch, also by its geographical environment, condition of coal formation etc. because
The influence of element, has larger difference according to the coking coal coal quality that national standard is classified as rich coal, finds that some are classified as in practical applications
The coking coal of rich coal does not have or cannot function well as the effect of such coal；
In the prior art: application publication number is that the patent of N 102690669A discloses a kind of coal quality classification side of coking coal
Method and its coke making and coal blending method of participation, dry ash free basis volatile matter > 10.0-37.0% of the coking coal, adhesive index value >
85, maximum thick ness of plastic layer Y value > 25.0mm, with apparent limitation, the classification of coking coal is not accurate enough, it is impossible to meet
Use demand.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provide a kind of coking coal coal quality classification method and
The coke making and coal blending method of participation, the classification of coking coal more rationally, accurately, deeply excavate coking coal Coal Characteristics, make resource
Optimize reasonable adapted, can effectively solve the problems in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of coal quality classification method of coking coal, including with
Lower step:
1) index for influencing coking coal coking capacity is determined: with dry ash free basis volatile matter, measurement sub- dilation b difficult to understand, mirror matter
The average maximum reflectivity of group, Ji Shi maximum fluidity and charred coal organization structure are as the index for determining coking coal coking capacity；
2) the dry ash free basis volatile matter in single grade coal is measured, measurement dilation b difficult to understand sub-, vitrinite are averaged maximum reflection
Rate, Ji Shi maximum fluidity and charred coal organization structure；
3) according to measurement result, classified as follows:
A works as dry ash free basis volatile matter>10.0-28.0%, sub- dilation b<150.0% difficult to understand, when 1.5%≤vitrinite is flat
When equal maximum reflectivity < 1.9%, l.0gMF > 0, coarse grain inlay constituent content >=40.0%, it is classified as coking coal；
B works as dry ash free basis volatile matter > 10.0-28.0%, and Asia dilation b >=150.0% difficult to understand, 0.85%≤vitrinite puts down
Equal maximum reflectivity < 0.85%, 4.0≤l.0gMF≤5.0 when, be classified as rich coal；
C works as dry ash free basis volatile matter > 32.0-37.0%, and Asia dilation b >=220.0% difficult to understand, 0.6%≤vitrinite puts down
Equal maximum reflectivity < 0.85%, 4.0≤l.0gMF≤5.0 when, be classified as gas rich coal.
The invention also includes the coke making and coal blending methods that a kind of coking coal participates in, comprising the following steps:
1) index for influencing coking coal coking capacity is determined: with dry ash free basis volatile matter, measurement sub- dilation b difficult to understand, mirror matter
The average maximum reflectivity of group, Ji Shi maximum fluidity and charred coal organization structure are as the index for determining coking coal coking capacity；
2) the dry ash free basis volatile matter in single grade coal is measured, measurement dilation b difficult to understand sub-, vitrinite are averaged maximum reflection
Rate, Ji Shi maximum fluidity and charred coal organization structure；
3) according to measurement result, coal blending is carried out by following result:
Dry ash free basis volatile matter>10.0-28.0%, difficult to understand sub- dilation b<150.0% of a when coking coal, each single grade coal
Account for the percentage of coal blending total weight are as follows: gas rich coal 3.0%~8.0%, rich coal 5.0%~15.0%, coking coal 20.0%~
30.0%, coking coal at this time, 1.5%≤vitrinite be averaged maximum reflectivity < 1.9%, l.0gMF > 0, coarse grain inlay constituent content
>=40.0%；
B works as dry ash free basis volatile matter > 10.0-28.0% of coking coal, Asia dilation b >=150.0% difficult to understand, each single grade coal
Account for the percentage of coal blending total weight are as follows: gas rich coal 3.0%~8.0%, rich coal 5.0%~15.0%, coking coal 20.0%~
30.0%, rich coal at this time, 0.85%≤vitrinite is averaged maximum reflectivity < 0.85%, 4.0≤l.0gMF≤5.0 when；
C works as dry ash free basis volatile matter > 32.0-37.0% of coking coal, Asia dilation b >=220.0% difficult to understand, each single grade coal
Account for the percentage of coal blending total weight are as follows: gas rich coal 3.0%~8.0%, rich coal 5.0%~15.0%, coking coal 20.0%~
30.0%, gas rich coal at this time, 0.6%≤vitrinite is averaged maximum reflectivity < 0.85%, 4.0≤l.0gMF≤5.0 when.
Compared with prior art, the beneficial effects of the present invention are: the coal quality classification method of this coking coal and the coking of participation
Blending method is averaged maximum reflectivity, Ji Shi most by measurement dry ash free basis volatile matter, measurement sub- dilation b difficult to understand, vitrinite
High flowability and charred coal organization structure overcome the apparent limitation of existing classification indicators as coking coal coking capacity is determined,
The classification for making coking coal more rationally, accurately, achievees the effect that optimize adapted, plays its effect to the maximum extent, will be difficult to understand sub- swollen
Expansibility index is applied to coking coal using technology and mixed coal utilization technology, deeply excavates coking coal Coal Characteristics, makes resource optimization
Reasonable adapted.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
The present invention provides a kind of technical solution, a kind of coal quality classification method of coking coal, comprising the following steps:
1) index for influencing coking coal coking capacity is determined: with dry ash free basis volatile matter, measurement sub- dilation b difficult to understand, mirror matter
The average maximum reflectivity of group, Ji Shi maximum fluidity and charred coal organization structure are as the index for determining coking coal coking capacity；
2) the dry ash free basis volatile matter in single grade coal is measured, measurement dilation b difficult to understand sub-, vitrinite are averaged maximum reflection
Rate, Ji Shi maximum fluidity and charred coal organization structure；
3) according to measurement result, classified as follows:
A works as dry ash free basis volatile matter>10.0-28.0%, sub- dilation b<150.0% difficult to understand, when 1.5%≤vitrinite is flat
When equal maximum reflectivity < 1.9%, l.0gMF > 0, coarse grain inlay constituent content >=40.0%, it is classified as coking coal；
B works as dry ash free basis volatile matter > 10.0-28.0%, and Asia dilation b >=150.0% difficult to understand, 0.85%≤vitrinite puts down
Equal maximum reflectivity < 0.85%, 4.0≤l.0gMF≤5.0 when, be classified as rich coal；
C works as dry ash free basis volatile matter > 32.0-37.0%, and Asia dilation b >=220.0% difficult to understand, 0.6%≤vitrinite puts down
Equal maximum reflectivity < 0.85%, 4.0≤l.0gMF≤5.0 when, be classified as gas rich coal.
The invention also includes the coke making and coal blending methods that a kind of coking coal participates in, comprising the following steps:
1) index for influencing coking coal coking capacity is determined: with dry ash free basis volatile matter, measurement sub- dilation b difficult to understand, mirror matter
The average maximum reflectivity of group, Ji Shi maximum fluidity and charred coal organization structure are as the index for determining coking coal coking capacity；
2) the dry ash free basis volatile matter in single grade coal is measured, measurement dilation b difficult to understand sub-, vitrinite are averaged maximum reflection
Rate, Ji Shi maximum fluidity and charred coal organization structure；
3) according to measurement result, coal blending is carried out by following result:
Dry ash free basis volatile matter>10.0-28.0%, difficult to understand sub- dilation b<150.0% of a when coking coal, each single grade coal
Account for the percentage of coal blending total weight are as follows: gas rich coal 3.0%~8.0%, rich coal 5.0%~15.0%, coking coal 20.0%~
30.0%, coking coal at this time, 1.5%≤vitrinite be averaged maximum reflectivity < 1.9%, l.0gMF > 0, coarse grain inlay constituent content
>=40.0%；
B works as dry ash free basis volatile matter > 10.0-28.0% of coking coal, Asia dilation b >=150.0% difficult to understand, each single grade coal
Account for the percentage of coal blending total weight are as follows: gas rich coal 3.0%~8.0%, rich coal 5.0%~15.0%, coking coal 20.0%~
30.0%, rich coal at this time, 0.85%≤vitrinite is averaged maximum reflectivity < 0.85%, 4.0≤l.0gMF≤5.0 when；
C works as dry ash free basis volatile matter > 32.0-37.0% of coking coal, Asia dilation b >=220.0% difficult to understand, each single grade coal
Account for the percentage of coal blending total weight are as follows: gas rich coal 3.0%~8.0%, rich coal 5.0%~15.0%, coking coal 20.0%~
30.0%, gas rich coal at this time, 0.6%≤vitrinite is averaged maximum reflectivity < 0.85%, 4.0≤l.0gMF≤5.0 when.
The present invention by measurement dry ash free basis volatile matter, measurement dilation b difficult to understand sub-, vitrinite be averaged maximum reflectivity,
Ji Shi maximum fluidity and charred coal organization structure overcome the apparent of existing classification indicators as coking coal coking capacity is determined
Limitation, the classification for making coking coal more rationally, accurately, achieve the effect that optimize adapted, play its effect to the maximum extent, will
Asia dilation index difficult to understand is applied to coking coal using technology and mixed coal utilization technology, deeply excavates coking coal Coal Characteristics, makes to provide
The reasonable adapted of source optimization.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (2)
1. a kind of coal quality classification method of coking coal, it is characterised in that: the following steps are included:
1) index for influencing coking coal coking capacity is determined: flat with dry ash free basis volatile matter, measurement sub- dilation b difficult to understand, vitrinite
Equal maximum reflectivity, Ji Shi maximum fluidity and charred coal organization structure are as the index for determining coking coal coking capacity；
2) the dry ash free basis volatile matter in single grade coal is measured, measurement dilation b difficult to understand sub-, vitrinite are averaged maximum reflectivity, base
Family name's maximum fluidity and charred coal organization structure；
3) according to measurement result, classified as follows:
A works as dry ash free basis volatile matter>10.0-28.0%, sub- dilation b<150.0% difficult to understand, when 1.5%≤vitrinite is average most
When big reflectivity < 1.9%, l.0gMF > 0, coarse grain inlay constituent content >=40.0%, it is classified as coking coal；
B works as dry ash free basis volatile matter > 10.0-28.0%, and Asia dilation b >=150.0% difficult to understand, 0.85%≤vitrinite is averagely most
Big reflectivity < 0.85%, 4.0≤l.0gMF≤5.0 when, be classified as rich coal；
C works as dry ash free basis volatile matter > 32.0-37.0%, and Asia dilation b >=220.0% difficult to understand, 0.6%≤vitrinite is averagely most
Big reflectivity < 0.85%, 4.0≤l.0gMF≤5.0 when, be classified as gas rich coal.
2. the coke making and coal blending method that a kind of coking coal participates in, it is characterised in that: the following steps are included:
1) index for influencing coking coal coking capacity is determined: flat with dry ash free basis volatile matter, measurement sub- dilation b difficult to understand, vitrinite
Equal maximum reflectivity, Ji Shi maximum fluidity and charred coal organization structure are as the index for determining coking coal coking capacity；
2) the dry ash free basis volatile matter in single grade coal is measured, measurement dilation b difficult to understand sub-, vitrinite are averaged maximum reflectivity, base
Family name's maximum fluidity and charred coal organization structure；
3) according to measurement result, coal blending is carried out by following result:
Dry ash free basis volatile matter>10.0-28.0%, difficult to understand sub- dilation b<150.0% of a when coking coal, each single grade coal, which accounts for, matches
The percentage of coal total weight are as follows: gas rich coal 3.0%~8.0%, rich coal 5.0%~15.0%, coking coal 20.0%~30.0%, this
When coking coal, 1.5%≤vitrinite be averaged maximum reflectivity < 1.9%, l.0gMF > 0, coarse grain inlay constituent content >=40.0%；
B works as dry ash free basis volatile matter > 10.0-28.0% of coking coal, and Asia dilation b >=150.0% difficult to understand, each single grade coal, which accounts for, matches
The percentage of coal total weight are as follows: gas rich coal 3.0%~8.0%, rich coal 5.0%~15.0%, coking coal 20.0%~30.0%, this
When rich coal, 0.85%≤vitrinite is averaged maximum reflectivity < 0.85%, 4.0≤l.0gMF≤5.0 when；
C works as dry ash free basis volatile matter > 32.0-37.0% of coking coal, and Asia dilation b >=220.0% difficult to understand, each single grade coal, which accounts for, matches
The percentage of coal total weight are as follows: gas rich coal 3.0%~8.0%, rich coal 5.0%~15.0%, coking coal 20.0%~30.0%, this
When gas rich coal, 0.6%≤vitrinite is averaged maximum reflectivity < 0.85%, 4.0≤l.0gMF≤5.0 when.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029576A (en) * | 2019-11-12 | 2020-04-17 | 山西沁新能源集团股份有限公司 | Method for blending crystalline carbon precursor |
| CN111117669A (en) * | 2020-01-07 | 2020-05-08 | 武钢集团昆明钢铁股份有限公司 | Method for distinguishing classification of coking coal types and application thereof |
-
2018
- 2018-12-13 CN CN201811521357.9A patent/CN109294608A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029576A (en) * | 2019-11-12 | 2020-04-17 | 山西沁新能源集团股份有限公司 | Method for blending crystalline carbon precursor |
| CN111029576B (en) * | 2019-11-12 | 2023-09-29 | 山西沁新能源集团股份有限公司 | Method for blending crystalline carbon precursor coal |
| CN111117669A (en) * | 2020-01-07 | 2020-05-08 | 武钢集团昆明钢铁股份有限公司 | Method for distinguishing classification of coking coal types and application thereof |
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