CN101381606B - High-alumina coke oven fed batch - Google Patents
High-alumina coke oven fed batch Download PDFInfo
- Publication number
- CN101381606B CN101381606B CN2008101572483A CN200810157248A CN101381606B CN 101381606 B CN101381606 B CN 101381606B CN 2008101572483 A CN2008101572483 A CN 2008101572483A CN 200810157248 A CN200810157248 A CN 200810157248A CN 101381606 B CN101381606 B CN 101381606B
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- CN
- China
- Prior art keywords
- coke oven
- fed batch
- gross weight
- coke
- phosphoric acid
- 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.)
- Expired - Fee Related
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- 239000000571 coke Substances 0.000 title claims abstract description 61
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims description 24
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- HIGRAKVNKLCVCA-UHFFFAOYSA-N alumine Chemical compound C1=CC=[Al]C=C1 HIGRAKVNKLCVCA-UHFFFAOYSA-N 0.000 claims description 11
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 11
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 10
- 230000004907 flux Effects 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000004615 ingredient Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 abstract description 2
- 238000003763 carbonization Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000001502 supplementing effect Effects 0.000 abstract 2
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000013589 supplement Substances 0.000 abstract 1
- 238000004939 coking Methods 0.000 description 28
- 239000011449 brick Substances 0.000 description 23
- 230000004927 fusion Effects 0.000 description 6
- 206010027336 Menstruation delayed Diseases 0.000 description 5
- 230000002618 waking effect Effects 0.000 description 4
- 239000004927 clay Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention relates to an applying and supplementary material for a high-aluminum coke furnace. In the applying and supplementary material, aggregate and fine stuff of an aluminum silicate corhart are mixed according to certain proportion and are added with a fusing drop agent and a compact agent; and phosphoric acid is used as a caking agent. The applying and supplementary material is widely applied to apply and supplement a carbonization chamber, saves time, has long material hanging time, substitutes ganister in digging and supplementing the coke furnace to improve the tightness of the furnace wall, effectively solves the problems that the prior process has large damage to a furnace body and is easy to cause repeated digging and supplementing and has remarkable effects on treating disadvantage of the furnace body of the coke furnace in the middle stage.
Description
Technical field
The present invention relates to coke oven and smear benefit technology, particularly coke oven fed batch.
Background technology
Middle and advanced stage coke furnace carbonization chamber metope particularly burner position pitted skin occurs or degrades owing to influenced by thermal stress and pushing ram frictional force etc., and serious furnace wall brick peels off, arrisdefect even wall brick splitting.Dark quirk pitted skin or wall brick splitting cause coke pushing current to increase, even difficult coke pushing.At present, most of coke ovens adopt shallow quirk (1-3 quirk) and smear the benefit processing, and fed batch adopts clay matter phosphoric acid pug usually, and its bridging time about about 2-3 month, smears and mends repeatability greatly greatly.Coke oven is smeared and mended shallow quirk, and the operating time is approximately 30 to 40 minutes, and the heat (batch) number of processing needs random writing paper, and the stove time of drying in the air is long, and is big to the burner infringement.Pitted skin or wall brick splitting occur for the dark quirk of coke oven in late period, traditional fed batch is because the bridging time is short, the high temperature rate of expansion is big, generally do not adopt to smear the benefit means and handle, and the control coal capacities that adopt are controlled coke pushing current more; More the processing bigger to the coke pushing operating influence is adopted coke oven to mend by replacing a damaged part and is overhauled.Dark quirk is mended by replacing a damaged part owing to need the metope cooling, stove time of drying in the air is longer, and the heating-up time is long, about 2 to 3 days of general operation time, temperature-fall period brings damage bigger to the coking chamber metope, and particularly new and old wall connects batch position furnace wall and occurs string leakage, pitted skin even fusion hole easily once more.
Therefore, there is bridging time weak point in the traditional coke oven fed batch, smears the big problem of repeatability of mending; Dark quirk body of heater defective is not generally taked to smear benefit and taked to mend by replacing a damaged part and overhaul processing, and the heating-up time is long, and is big to producing influence, connects batch position simultaneously to damage easily, causes repeatedly and mends by replacing a damaged part.
Summary of the invention
At the deficiencies in the prior art, the invention provides a kind of intensity height, bridging time length, can be applied to the high-alumina coke oven fed batch that depth quirk is smeared benefit simultaneously.
High-alumina coke oven fed batch of the present invention is a major ingredient with aluminosilicate property aggregate and alumine, and triphane is for falling flux and compact agent, and phosphoric acid is tackiness agent, and each amounts of components is as follows:
Aluminosilicate property aggregate and alumine are by weight 1:1.5～2.5, and triphane is 1.5～2.5% of a component gross weight, and concentration is that 45～50%wt phosphoric acid consumption is 18～22% of a component gross weight.
Described aluminosilicate property aggregate Al
2O
3Content is more than 60%wt.
Described alumine 200-310 purpose fines.
High-alumina coke oven fed batch preparation method of the present invention is as follows:
1, the aluminosilicate property aggregate mixes by weight 1:1.5～2.5 with alumine.
2, add triphane as falling flux and compact agent according to 1.5～2.5% of batching gross weight.
3, under the normal temperature, after stirring, the concentration that adds batching gross weight 18～22% be the phosphoric acid of 45～50%wt as tackiness agent, fully stir, promptly.
The high-alumina coke oven fed batch that configures can use immediately, and the material back result of use of carrying out waking up in 2-5 days is better.
High-alumina coke oven fed batch of the present invention is packed into to place in the container and is never degenerated more than 1 year.
The present invention is according to aluminosillicate refractory chemical constitution and balancing each other, be combined into the brick principle, adopt high alumina matter aggregate and fines to fall flux, compact agent cooperation on a small quantity according to certain proportioning and admixture, increase fed batch sintering strength and wear resistance, prolong the bridging time, solved dark quirk fusion hole, pitted skin and handled to adopt to smear and mend the bad problem of treatment effect, result of use is more obvious at the burner position.
It is short that high-alumina coke oven fed batch of the present invention has solved the shallow quirk fed batch bridging time of traditional coke oven, dark quirk body of heater defective should not be smeared to mend and be handled complicated problems, is a kind of intensity height, bridging time length, can be applied to the novel high aluminum matter coke oven fed batch that depth quirk is smeared benefit simultaneously.This coke oven fed batch is widely used in coking chamber and smears benefit, saves time, and the bridging time is long, and the substituted for silicon chamotte can improve the furnace wall tightness during coke oven was mended by replacing a damaged part.
In sum, high-alumina coke oven fed batch compared with prior art of the present invention effectively solves coke oven fed batch bridging time weak point, smears and mend repeatability greatly, and dark quirk is taked to mend by replacing a damaged part operating time length, body of heater is damaged the problem of mending by replacing a damaged part repeatedly that greatly, easily causes.Processing coking furnace shaft defective effect in mid-term is better.
Excellent results compared with prior art has more detailed explanation in the following embodiments.
Embodiment
Below in conjunction with embodiment and Comparative Examples this coke oven fed batch and industrial application situation are done to further specify, but be not limited only to this.
During industrial application, need to handle metope and be cooled to about 800 ℃, and use pressurized air to wash down impurity rejected region.
Comparative Examples 1: late period, coke oven was mended (build by laying bricks or stones and use ganister) by replacing a damaged part
1, coke-oven plant, Laigang 2# coke oven (going into operation in 1972) 79# coking chamber occurs pitted skin at the coking chamber metope in 22-23 quirk 35-37 layer brick on April 5th, 2004, and 36 layers fusion hole occurs, and the 21-24 flue temperature is reduced to below 1150 ℃, and coke pushing encounters difficulties.
2, on 25 days-April 29 April in 2004, the 79# coking chamber is carried out the part mend processing by replacing a damaged part, do not repair coking chamber metope temperature and reduce to about 700 ℃, remove furnace wall brick 1-3 layer and 34-38 layer, build warm ganister in the use (traditional coke oven is built material by laying bricks or stones) by laying bricks or stones.Carry out the spray repair processing to mending the position by replacing a damaged part before coalingging.The coking initial stage is mended the leakage of position appearance string by replacing a damaged part after coalingging.After one week, the coking chamber coke pushing is coaling and is recovered normal.
Comparative Examples 2: late period, coke oven used the dark quirk of clay phosphoric acid pug to smear benefit
1, coke-oven plant, Laigang 2# coke oven 53# coking chamber finds that on August 15th, 2004 fusion hole appears in the 10th layer of brick in 6 quirk places.-27 days on the 26th August in 2004, adopt traditional fed batch clay matter phosphoric acid pug (proportioning is a grog 100%, adds 48% phosphoric acid 23%), find during October 25 coke pushing that the metope fed batch comes off.
2, on November 2nd, 2004, the 53# coking chamber is carried out the part mend by replacing a damaged part.Coking chamber metope temperature is reduced to about 700 ℃, mends the coking chamber metope 1-5 of 5-6 quirk place layer by replacing a damaged part, builds warm ganister in the use by laying bricks or stones.After mending a week by replacing a damaged part, the coking chamber coke pushing is coaling and is recovered normal.
3, on September 12nd, 2005, mend by replacing a damaged part and connect a batch top 7-8 layer brick and pitted skin occurs and follow string to leak.Mend 4-6 quirk 6-10 layer to it 15-September 17 September.After mending a week by replacing a damaged part, the coking chamber coke pushing is coaling and is recovered normal.
Embodiment 1: coke oven was mended by replacing a damaged part and was used warm ganister in the replacement of high alumina matter fed batch late period
High alumina matter fed batch: Al
2O
3Content cooperates with the ratio of 310 purpose alumine fineves according to 1:2.2 at 75% aluminosilicate property aggregate.Add triphane by 2% of material gross weight, after stirring, the concentration of adding batching gross weight 20% be the phosphoric acid of 48%wt as tackiness agent, fully stir, leaving standstill the material of waking up in 3 days.
The practical situation of industry is as follows:
1, coke-oven plant, Laigang 1# coke oven (going into operation in 1981) 11# coking chamber was mended north wall 1-3 quirk by replacing a damaged part-15 days on the 14th July in 2005.
2, do not repair about 700 ℃ of coking chamber metope insulations, 1-8 layer brick removed in the bottom.
Use when 3, silica brick is built by laying bricks or stones this high-alumina coke oven fed batch replace in warm ganister, dilatation joint stays to establish to stay according to the coke furnace building standard and establishes.
4, build end by laying bricks or stones after, fire door is heated up.After 3 days, the coking chamber coke pushing is coaling and is recovered normal.Compare with middle temperature ganister, high alumina matter fed batch polar expansion amount is little, has increased the furnace wall tightness, does not occur string after mending by replacing a damaged part and leaks phenomenon.
Embodiment 2: the dark quirk of coke oven high alumina matter fed batch in late period is smeared benefit
High alumina matter fed batch: Al
2O
3Content cooperates with the ratio of 310 purpose alumine fineves according to 1:2 at 70% aluminosilicate property aggregate.Add triphane by 2.1% of material gross weight, after stirring, the concentration of adding batching gross weight 18% be the phosphoric acid of 45%wt as tackiness agent, fully stir, leaving standstill the material of waking up in 3 days.
The practical situation of industry is as follows:
1, fusion hole appears in 36 layers of brick of coke-oven plant, Laigang 2# coke oven 55# coking chamber north wall 19 quirks, and-4 days on the 3rd March in 2005 adopted this high-alumina coke oven fed batch to smear to it and mends processing.
2, the metope temperature is controlled at about 750 ℃, enters coking chamber after the insulation and smears the benefit processing.
3, on March 5th, 2005, coking chamber is coaling.On March 7th, 2005, coking chamber is coaling and is recovered normal.
4, the 2# coke oven is removed in blowing out on January 21st, 2007, and coking chamber into treatment sites metope is complete, and coke pushing current is normal.
Embodiment 3: the dark quirk of coke oven high alumina matter fed batch in mid-term is smeared benefit
High alumina matter fed batch: Al
2O
3Content cooperates with the ratio of 200 purpose alumine fineves according to 1:2 at 60% aluminosilicate property aggregate.Add triphane by 1.8% of material gross weight, after stirring, the concentration of adding batching gross weight 22% be the phosphoric acid of 48%wt as tackiness agent, fully stir, leaving standstill the material of waking up in 3 days.
The practical situation of industry is as follows:
1, Laigang 3# coke oven (going into operation in 1998) 5# coking chamber splitting furnace wall brick occurs in thermometric discovery on June 20th, 2007 north wall 2 quirk chutes, watches the 2nd layer of brick in coking chamber bottom and 3 * 5cm fusion hole occurs.June 22 adopted this high-alumina coke oven fed batch to handle to it.
2, coaling and took off coal to 2 quirk in back 4 hours, the metope insulation, flue stops coal gas., use this fed batch and drop and smear benefit after the furnace wall brick is prefabricated into furnace wall brick size the tension of splitting furnace wall brick with iron wire.
3, smearing the benefit back heats up to fire door.The 5# coking chamber is according to former coke pushing plan coke pushing, and 4#, 5# coking chamber are delayed coke pushing.
4, in August, 2008,5# coking chamber metope is complete, and coke pushing current is normal.
Table 1 applicable cases contrast table
Claims (4)
1. a high-alumina coke oven fed batch is characterized in that with aluminosilicate property aggregate and alumine be major ingredient, and triphane is for falling flux and compact agent, and phosphoric acid is tackiness agent, and each amounts of components is as follows:
Aluminosilicate property aggregate and alumine are by weight 1: 1.5～2.5, and triphane is 1.5～2.5% of a component gross weight, and concentration is that 45～50wt% phosphoric acid consumption is 18～22% of a component gross weight;
Described aluminosilicate property aggregate Al
2O
3Content is more than 60wt%;
Described alumine is a 200-310 purpose fines.
2. the described high-alumina coke oven fed batch preparation method of claim 1, step is as follows:
(1) the aluminosilicate property aggregate mixes by weight 1: 1.5～2.5 with alumine;
(2) add triphane as falling flux and compact agent according to 1.5～2.5% of batching gross weight;
(3) under the normal temperature, after stirring, the concentration that adds batching gross weight 18～22% be the phosphoric acid of 45～50wt% as tackiness agent, fully stir, promptly.
3. high-alumina coke oven fed batch preparation method as claimed in claim 2 is characterized in that adding triphane according to 2% of batching gross weight.
4. high-alumina coke oven fed batch preparation method as claimed in claim 2, it is characterized in that adding the prepare burden concentration of gross weight 20% is the phosphoric acid of 48wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101572483A CN101381606B (en) | 2008-09-27 | 2008-09-27 | High-alumina coke oven fed batch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101572483A CN101381606B (en) | 2008-09-27 | 2008-09-27 | High-alumina coke oven fed batch |
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| Publication Number | Publication Date |
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| CN101381606A CN101381606A (en) | 2009-03-11 |
| CN101381606B true CN101381606B (en) | 2011-12-28 |
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| CN2008101572483A Expired - Fee Related CN101381606B (en) | 2008-09-27 | 2008-09-27 | High-alumina coke oven fed batch |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105036758A (en) * | 2015-06-10 | 2015-11-11 | 马鞍山金晟工业设计有限公司 | Refractory material for blast furnace tapholes and preparation method thereof |
| CN104961479A (en) * | 2015-06-10 | 2015-10-07 | 马鞍山金晟工业设计有限公司 | Alumina-carbon continuous casting refractory material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1040574A (en) * | 1989-04-06 | 1990-03-21 | 中国石油化工隔热耐磨衬里工程公司 | Refractory materials as lining |
| CN1119174A (en) * | 1995-07-21 | 1996-03-27 | 宝山钢铁(集团)公司 | Plastic material of phosphate compounded with high-alumina and producing process thereof |
| CN1800106A (en) * | 2006-01-09 | 2006-07-12 | 湖南省烟草公司湘西自治州公司 | Production method of refractory material composite block for tobacco leaf hothouse hearth |
| CN1944344A (en) * | 2006-10-31 | 2007-04-11 | 重庆钢铁(集团)有限责任公司 | Repairing material for shaft furnace lining and its operation |
-
2008
- 2008-09-27 CN CN2008101572483A patent/CN101381606B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1040574A (en) * | 1989-04-06 | 1990-03-21 | 中国石油化工隔热耐磨衬里工程公司 | Refractory materials as lining |
| CN1119174A (en) * | 1995-07-21 | 1996-03-27 | 宝山钢铁(集团)公司 | Plastic material of phosphate compounded with high-alumina and producing process thereof |
| CN1800106A (en) * | 2006-01-09 | 2006-07-12 | 湖南省烟草公司湘西自治州公司 | Production method of refractory material composite block for tobacco leaf hothouse hearth |
| CN1944344A (en) * | 2006-10-31 | 2007-04-11 | 重庆钢铁(集团)有限责任公司 | Repairing material for shaft furnace lining and its operation |
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| CN101381606A (en) | 2009-03-11 |
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