CN102851050A - Coal blending and coking method - Google Patents
Coal blending and coking method Download PDFInfo
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- CN102851050A CN102851050A CN2011101779917A CN201110177991A CN102851050A CN 102851050 A CN102851050 A CN 102851050A CN 2011101779917 A CN2011101779917 A CN 2011101779917A CN 201110177991 A CN201110177991 A CN 201110177991A CN 102851050 A CN102851050 A CN 102851050A
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Abstract
A coal blending and coking method is characterized by adding hard asphalt 0.5-5 wt% based on weight parts of blended coal or single coal in coal blending process, uniformly mixing, pulverizing, and coking. The hard asphalt softening point is 105-115 DEG C., toluene insoluble substance content is 15-25%, quinoline insoluble substance content is 3-6%, Beta-resin content is 12-20%, coking value is 45-65%, ash content is less than or equal to 0.3%, and water content is less than or equal to 1.0%. Compared with prior art, by using dispersion and solid solution reaction of hard asphalt and coal, the invention can effectively reduce coke reactivity by 1-5%, and improve strength of coke after reaction by 1-8%, to improve coke quality.
Description
Technical field
The present invention relates to the coking technology field, relate in particular to a kind of coal-blending coking method.
Background technology
Conventional coal-blending coking method is in order to reach the purpose that improves coke quality, often the strong caking coal of a large amount of uses carries out coal-blending coking, especially for improve the situation of coke reactivity and post-reaction strength by coal blending, in addition by improving coking process, also can improve within the specific limits coke quality such as tamping coking, briquetted coal blending coking, from reducing the cost angle, by coal-blending coking, have the method condition and change littlely, cost control is easy, the advantages such as labour intensity is little have a extensive future.
Hard pitch be Australian Kao Baisi company respectively with the product of Anshan iron and steel plant chemical general factory and the joint production of coke-oven plant, Tangshan, 105～115 ℃ of its softening temperatures (ring and ball method), toluene insolubles content 15%～25%, quinoline insolubles content 3%～6%, β-resin content 12%～20%, coking value 45%～65%, ash content ≯ 0.3%, moisture ≯ 1.0%, its purposes is similar to modified pitch, generally for the production of superpower, ultra-high power graphite electrode, high-quality prebaked anode and charcoal piece, graphite during the contour performance raw material of wood-charcoal of high-density high-strength degree graphite, be used as binding agent in the production of high-quality prebaked anode and charcoal piece.
Summary of the invention
The purpose of this invention is to provide a kind of coal-blending coking method, utilize diffusion and the solid solution reaction of hard pitch, reduce coke reactivity, improve postreaction strength of coke, and then reach the purpose of improving coke quality.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of coal-blending coking method is characterized in that, in coal blending process, plants the coal weight part as radix adds 0.5～5% hard pitch by weight percentage take mixed coal or list, carries out coking after mixing and the pulverizing.
105～115 ℃ of described ganoine bitumen softening points, toluene insolubles content 15%～25%, quinoline insolubles content 3%～6%, β-resin content 12%～20%, coking value 45%～65%, ash content≤0.3%, moisture≤1.0%.
Compared with prior art, the invention has the beneficial effects as follows: the diffusion and the solid solution reaction that utilize hard pitch, can effectively reduce coke reactivity, improve postreaction strength of coke, facts have proved, can reduce by 1～5 percentage point of coke reactivity, postreaction strength of coke improves 1～8 percentage point, and then reaches the purpose of improving coke quality.
Embodiment
The invention will be further described below in conjunction with embodiment:
Embodiment 1
Get 10 parts of bottle coals, 15 parts in 1/3 coking coal, 25 parts of rich coal, 40 parts in coking coal, 10 parts of lean coals, add 0.5 part of hard pitch, the top dress coke oven of packing into carries out coking, 1050 ℃ of coke oven temperatures, and coking time 16 hours adopts dry quenching(of coke).
Embodiment 2
Get 10 parts of bottle coals, 15 parts in 1/3 coking coal, 25 parts of rich coal, 40 parts in coking coal, 10 parts of lean coals, add 2 parts of hard pitch, the top dress coke oven of packing into carries out coking, 1050 ℃ of coke oven temperatures, and coking time 16 hours adopts dry quenching(of coke).
Embodiment 3
Get 10 parts of bottle coals, 15 parts in 1/3 coking coal, 25 parts of rich coal, 40 parts in coking coal, 10 parts of lean coals, add 5 parts of hard pitch, the top dress coke oven of packing into carries out coking, 1050 ℃ of coke oven temperatures, and coking time 16 hours adopts dry quenching(of coke).
Embodiment 4
Get 100 parts in 1/3 coking coal, add 1 part of hard pitch, the top dress coke oven of packing into carries out coking, 1050 ℃ of coke oven temperatures, and coking time 16 hours adopts dry quenching(of coke).Embodiment 5
Embodiment 5
Get 100 parts in 1/3 coking coal, add 3 parts of hard pitch, the top dress coke oven of packing into carries out coking, 1050 ℃ of coke oven temperatures, and coking time 16 hours adopts dry quenching(of coke).
Embodiment 6
Get 100 parts in 1/3 coking coal, add 5 parts of hard pitch, the top dress coke oven of packing into carries out coking, 1050 ℃ of coke oven temperatures, and coking time 16 hours adopts dry quenching(of coke).
Ganoine bitumen softening point is 105～115 ℃ in above-described embodiment, toluene insolubles content 15%～25%, quinoline insolubles content 3%～6%, β-resin content 12%～20%, coking value 45%～65%, ash content≤0.3%, moisture≤1.0%.
The reactivity of coke and post-reaction strength detected result see Table 1 in above-described embodiment.
Table 1
Claims (2)
1. a coal-blending coking method is characterized in that, in coal blending process, plants the coal weight part as radix adds 0.5～5% hard pitch by weight percentage take mixed coal or list, carries out coking after mixing and the pulverizing.
2. a kind of coal-blending coking method according to claim 1, it is characterized in that, 105～115 ℃ of described ganoine bitumen softening points, toluene insolubles content 15%～25%, quinoline insolubles content 3%～6%, β-resin content 12%～20%, coking value 45%～65%, ash content≤0.3%, moisture≤1.0%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011101779917A CN102851050A (en) | 2011-06-29 | 2011-06-29 | Coal blending and coking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011101779917A CN102851050A (en) | 2011-06-29 | 2011-06-29 | Coal blending and coking method |
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| CN102851050A true CN102851050A (en) | 2013-01-02 |
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| CN2011101779917A Pending CN102851050A (en) | 2011-06-29 | 2011-06-29 | Coal blending and coking method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107446605A (en) * | 2017-08-21 | 2017-12-08 | 宣化钢铁集团有限责任公司 | With addition of the coking mixed coal and coke making and coal blending method of reworked material |
| CN108424804A (en) * | 2018-02-13 | 2018-08-21 | 鞍钢股份有限公司 | A kind of method of efficient process solid waste ion exchange resin |
| CN111826182A (en) * | 2020-07-20 | 2020-10-27 | 宁波弘同盛鼎能源有限公司 | Coking coal blending formula |
| CN113736501A (en) * | 2020-05-29 | 2021-12-03 | 宝山钢铁股份有限公司 | Coke production method based on coking area dust removal ash and coal co-coking |
| CN113788678A (en) * | 2021-09-29 | 2021-12-14 | 济宁碳素集团有限公司 | Preparation method of high-strength prebaked anode |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1710024A (en) * | 2005-07-28 | 2005-12-21 | 宣化钢铁集团有限责任公司 | Technique for producing coke by direct compouding of coal using bulk asphalt |
| CN101284997A (en) * | 2008-05-28 | 2008-10-15 | 神华集团有限责任公司 | Process for producing first-class metallurgical coke by coking coal with high sulphur and high ash |
| CN101787296A (en) * | 2010-03-15 | 2010-07-28 | 攀钢集团钢铁钒钛股份有限公司 | Coking method of lignite addition and coal charge |
-
2011
- 2011-06-29 CN CN2011101779917A patent/CN102851050A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1710024A (en) * | 2005-07-28 | 2005-12-21 | 宣化钢铁集团有限责任公司 | Technique for producing coke by direct compouding of coal using bulk asphalt |
| CN101284997A (en) * | 2008-05-28 | 2008-10-15 | 神华集团有限责任公司 | Process for producing first-class metallurgical coke by coking coal with high sulphur and high ash |
| CN101787296A (en) * | 2010-03-15 | 2010-07-28 | 攀钢集团钢铁钒钛股份有限公司 | Coking method of lignite addition and coal charge |
Non-Patent Citations (3)
| Title |
|---|
| 刘炯等: "炼焦配煤中加配沥青的研究与应用", 《煤质技术》 * |
| 张丙生等: "改质沥青对冶金炼焦过程配合煤成焦性质的影响", 《钢铁》 * |
| 水恒福: "《煤焦油分离与精制》", 31 January 2007 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107446605A (en) * | 2017-08-21 | 2017-12-08 | 宣化钢铁集团有限责任公司 | With addition of the coking mixed coal and coke making and coal blending method of reworked material |
| CN108424804A (en) * | 2018-02-13 | 2018-08-21 | 鞍钢股份有限公司 | A kind of method of efficient process solid waste ion exchange resin |
| CN113736501A (en) * | 2020-05-29 | 2021-12-03 | 宝山钢铁股份有限公司 | Coke production method based on coking area dust removal ash and coal co-coking |
| CN111826182A (en) * | 2020-07-20 | 2020-10-27 | 宁波弘同盛鼎能源有限公司 | Coking coal blending formula |
| CN113788678A (en) * | 2021-09-29 | 2021-12-14 | 济宁碳素集团有限公司 | Preparation method of high-strength prebaked anode |
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Application publication date: 20130102 |