CN1094150C - Method for producing high grade coke - Google Patents
Method for producing high grade coke Download PDFInfo
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- CN1094150C CN1094150C CN001210300A CN00121030A CN1094150C CN 1094150 C CN1094150 C CN 1094150C CN 001210300 A CN001210300 A CN 001210300A CN 00121030 A CN00121030 A CN 00121030A CN 1094150 C CN1094150 C CN 1094150C
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- Prior art keywords
- coal
- coke
- coking
- quality
- high grade
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- 239000000571 coke Substances 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title abstract description 11
- 239000003245 coal Substances 0.000 claims abstract description 73
- 238000004939 coking Methods 0.000 claims abstract description 29
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 11
- 239000000470 constituent Substances 0.000 claims description 8
- QCJQWJKKTGJDCM-UHFFFAOYSA-N [P].[S] Chemical compound [P].[S] QCJQWJKKTGJDCM-UHFFFAOYSA-N 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 7
- 239000005864 Sulphur Substances 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- -1 character Substances 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Coke Industry (AREA)
Abstract
The present invention relates to a method for producing high-quality coke, which provides the technical scheme for coal blending by using a common mechanical coke oven device and technological conditions thereof. In the present invention, 1/3 coking coal made in China, fat coal, No. 1 coking coal and No. 2 coking coal are used as raw materials. Thus, the quality of production coke is increased by 2 to 3 levels, and reaches the quality of special-level coke. The present invention has the advantages of low investment cost, obvious technical benefit and economic benefit and easy popularization and production. Thereby, the urgent requirements of high-quality coke which is increased day by day in native and foreign markets are satisfied.
Description
The present invention relates to the method for coking, be specially under common mechanical coke equipment and coke making process condition thereof, a kind of technical scheme of producing the feed coal proportioning of high grade coke is provided.
Along with progress of science and technology and development, increasing to high grade coke (as metallurgical coke) requirement; And China is big coal country, and coal resource is very abundant, owing to the various brands to coal, character, composition lacks multianalysis and deep understanding, lacks rational coal blending scheme in coke production, therefore, for a long time, with the coke that common cokery and technical process thereof are produced, mostly be two, three grades of products, do not reach the quality index of high grade coke, thereby do not satisfy on the market the demand of high grade coke, make the abundant in coal resource fail to obtain to make full use of.
For making full use of the coal resources of China's abundant, it is raw material with homemade coal resources that the object of the invention provides a kind of, utilizes the coal blending scheme of the production high grade coke of existing cokery and technical process.
The present invention is in the various brands to homemade coal, character, composition are understood in depth, and through field trip, on the basis that many ore deposit point sample examinations are analyzed, repeatedly coal blending experiment and analysis and research are carried out in cokery equipment and technical process in conjunction with existing coke-oven plant, are raw material (table 1) with homemade coal, through reasonable proportioning, have under the cokery equipment and technical process condition thereof of producing two, three grades of coke abilities existing, can produce high grade coke fully.The weight proportion of the coal blending technical scheme feed coal of production high grade coke of the present invention is:
1/3 coking coal 20-30%
Rich coal 5-15%
No. 1 30-50% of coking coal
No. 2 10-25% of coking coal
Above-mentioned mixing coal blending is after the coal washing operation enters the specification of quality of the cooperation cleaned coal before the charring furnace should be:
Moisture content ash fugitive constituent sulphur phosphorus caking index (G) shrink grading (X) degree of mobilization (Y)
% % % % % mm mm cooperates cleaned coal＜8＜7.5 26-28＜0.6＜0.03＞80＞＞30 17-18
To cooperate the cleaned coal cokery coking chamber of packing into, can produce routinely under the mechanical coke equipment and processing condition thereof of two, three grades of coke abilities, can produce high grade coke.
The coal blending raw material that coal blending technical scheme of the present invention is selected all is state's producing coals, as Taiyuan, Shanxi, Linfen, Luliang Prefecture, Zaozhuang, Shandong, the coal on ground such as tafelberg, Henan; Be applicable to the various type of furnaces of present coal chemical enterprise, as 58-1 type, 58-2 type, JN60-82 5#-6#, 1#-2#, JN43-80III, red flag-1#, red flag-2#, 85-I type, 85-VI type etc.; Need not change and produce coke technical process (as making compacting firm by ramming), need not stop production, not add any additives (as refinery coke etc.); Do not influence the quantity of the coking chemistry product (as coal gas, coal tar, crude benzol, ammonia etc.) of coke-oven plant, just can make general coke-oven plant on the quality base of original production coke, improve the 2-3 level, thereby reach the unusual effect (table 2) that utilizes homemade raw coal to produce high grade coke; Owing to do not need facility investment, raw coal aboundresources, need not change technical process, cost of investment is low, and is easy to promote and produces, and is higher than ordinary coke to satisfy the in short supply and price in present domestic and international market, produces high grade coke, and its economic benefit is very considerable.
Example 1
Produce raw coal in small coke oven coking with Linfen, Chinese Shanxi.
The mass analysis of raw coal
*1
Fugitive constituent sulphur shrink grading degree of mobilization fixed carbon characteristic of char residue caking index in the proportioning moisture content ash
(X) (Y) (G)
No. 1 50 0.70 6.67 21.49 0.38 27.5 20.0 72.76 7 88 coking coal of % % % % % mm mm % 1/3 coking coal, 30 2.42 4.55 32.64 0.34 53.0 17.5 62.47 6 79 rich coal, 5 1.17 6.13 31.66 0.48 31.0 35.0 63.40 7 96 coking coal mix coal sample 1.13 7.16 25.73 0.40 33 19.5 68.17 7 88 No. 2 15 0.76 5.80 21.57 0.40 34.0 19.0 73.32 7 89
The feed coal proportioning:
No. 2 6kg of 1/3 No. 1 20kg coking coal of coking coal 12kg rich coal 2kg coking coal
Moisture content ash fugitive constituent sulphur caking index (G) shrink grading (X) degree of mobilization (Y)
% % % % mm mm cooperates cleaned coal 7.06 23.32 0.43 85 22.0 17.0
6.75 27.30 0.38 80 23.0 15.5
Coke quality by small coke oven production:
Moisture content ash fugitive constituent sulphur shatter strength abrasive wear resistance reactivity
*2 reactive intensity
(M40) (M10) (CRI) (CSR)
％ ％ ％ ％ ％ ％ ％ ％
1.10 9.00 1.44 0.34 77.50 7.50 26.4 69.5
*The mass parts of 1 coal is analysed: GB477-87, GB5751-86
*2 reactivities and post-reaction strength test method: UDC 669.162,16: 620.17
GB 4000-83
Single stove of example 2-3 and the coking of group's stove
Coal source: Linfen, Shanxi coal
1, coal blending and mass analysis
(1) feed coal list stove
*Group's stove
*
Join 6 tons 27 tons in 1/3 coking coal
1 ton 4.5 tons of rich coal
Close 10 tons 45 tons in No. 1, coking coal
3 tons 13.5 tons in No. 2, coking coal
*Single JN43-80III type cokery JN43-80III
*The string stove of three JN43-80III type cokerys, 30 tons in every stove assembling coal.
(2) mass analysis
Moisture content ash fugitive constituent sulphur caking index (G) shrink grading (X) degree of mobilization (Y)
Cooperate cleaned coal % % % % % % %
11.80 6.74 25.42 0.40 82 2818.0
28.00 7.08 26.29 0.40 76 2518.0
Group's stove coking relevant data:
(1) three No. 54 coking chamber
(2) 24 hours coking cycles, standard temperature: 1200/1250 ℃.
(3) shrinkage degree
Coke side among Jiao in the project pusher side machine
Seam mm 430 500 450 400
Focal line mm 850 950 750 750
Shrink 420 450 300 350
(4) charge of coke temperature: 1000+5 ℃.
(4) No. 54, No. 55 combustion chamber standard fire path temperatures.
Project No. 54 No. 55
Pusher side ℃ 1,209 1201
Burnt survey ℃ 1,244 1246
(6) coke pushing current 300A.
2, coke product
Single stove group stove
(1) coke output is 14.6 tons 65.7 tons
(2) mixing burnt sieve size forms
＞80mm 51.33％
60-80mm 26.64％
40-60mm 18.08％
25-40mm 2.38％
10-25mm 0.64％
＜10mm 0.93％
Add up to 100%
40-80mm 44.72％
(3) burnt sample technical analysis
Moisture content ash fugitive constituent sulphur fixed carbon
％ ％ ％ ％ ％
＞80mm 12.00 9.14 1.41 0.38 89.25
60-80mm 12.80 9.75 1.52 0.42 88.62
40-60mm 14.40 9.32 1.51 0.42 89.07
25-40mm 18.60 9.25 1.47 0.42 89.17
10-25mm 19.60 9.66 1.55 0.42 88.66
The reactive post-reaction strength of shatter strength abrasive wear resistance
％ ％ ％ ％＞80mm 88.80 6.20 27.8 68.960-80mm 87.80 4.20 26.4 69.940-60mm 85.20 4.00 26.0 69.5
Table 1 Shanxi Province faces the relevant qualitative data of part coal
Moisture content ash fugitive constituent sulphur caking index (G) degree of shrinkage (X) fluidity (Y)
% % % % mm mm 1/3 coking coal 1.5 5.06 35.16 0.40 78 41 16.5
2.42 4.55 32.64 0.34 79 53 17.5 rich coal 2.3 6.04 32.42 0.49 97 21 32
1.17 6.13 31.66 0.48 96 31 35 coking coal No. 1 1.6 5.80 22.10 0.43 91 33 15.50
0.70 No. 2 1.8 4.78 17.34 0.65 80-90 30.5 10 of 6.67 21.49 0.38 88 27.5 20.00 coking coal
0.76 5.80 21.57 0.38 89 34.0 19.5 tables 2
The coke quality moisture content of high grade coke quality Coal Blending Schemes production of the present invention product＞5% 1-10% ash＜10% 9-9.66% waves 62% 68.9-69.5 of part＜1.5% 1.44-1.55% sulphur content＜0.6% 0.34-0.42% phosphorus＜0.03% crushing strength M40＞82% 77.50-88.80% scuff resistance M10＜6% 4.00-7.50% reactivity (CRI)＜28% 26.0-27.8% post reaction strength＞(CSR)
Claims (1)
1, a kind of method of producing high grade coke in the common machine coke oven, is processed into the coke making process step of routine, it is characterized in that the raw material weight % proportioning of the coal blending scheme that adopts is:
1/3 coking coal 20-30%
Rich coal 5-15%
No. 1 30-50% of coking coal
No. 2 10-25% of coking coal
The specification of quality of the cooperation cleaned coal of the friendship justice coal sample after washing of described coal blending:
Moisture content ash fugitive constituent sulphur phosphorus caking index shrink grading degree of mobilization
% % % % % mm mm cooperates cleaned coal＜8＜7.5 26-28＜0.6＜0.03＞80＞30 17-18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN001210300A CN1094150C (en) | 2000-07-14 | 2000-07-14 | Method for producing high grade coke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN001210300A CN1094150C (en) | 2000-07-14 | 2000-07-14 | Method for producing high grade coke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1277985A CN1277985A (en) | 2000-12-27 |
| CN1094150C true CN1094150C (en) | 2002-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN001210300A Expired - Fee Related CN1094150C (en) | 2000-07-14 | 2000-07-14 | Method for producing high grade coke |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100351343C (en) * | 2005-09-30 | 2007-11-28 | 中冶焦耐工程技术有限公司 | Optimum system for distributing coal of coking controlled by computer |
| CN100364659C (en) * | 2005-12-23 | 2008-01-30 | 邹炎 | Preparation method of flue gas treatment active coke and flue gas treatment active coke prepared thereby |
| CN101134900B (en) * | 2007-10-18 | 2010-06-02 | 山西太钢不锈钢股份有限公司 | A kind of coke-coal blending ratio and its coke-making method |
| CN104710999B (en) * | 2010-09-01 | 2017-06-06 | 杰富意钢铁株式会社 | Method for evaluating softening and melting properties of coal and caking material, and method for producing coke |
| CN105623697B (en) * | 2014-12-01 | 2018-04-03 | 鞍钢股份有限公司 | Coking coal blending method with participation of lean coking coal |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049372A (en) * | 1990-09-29 | 1991-02-20 | 北京市燃气煤化工研究所 | A kind of blending method of coking |
| CN1113935A (en) * | 1994-05-16 | 1995-12-27 | 金石允 | Method for the production of cokes |
-
2000
- 2000-07-14 CN CN001210300A patent/CN1094150C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049372A (en) * | 1990-09-29 | 1991-02-20 | 北京市燃气煤化工研究所 | A kind of blending method of coking |
| CN1113935A (en) * | 1994-05-16 | 1995-12-27 | 金石允 | Method for the production of cokes |
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| CN1277985A (en) | 2000-12-27 |
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Granted publication date: 20021113 Termination date: 20130714 |