CN106904951A - A kind of blast furnace mud material and preparation method thereof - Google Patents

A kind of blast furnace mud material and preparation method thereof Download PDF

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CN106904951A
CN106904951A CN201710212563.0A CN201710212563A CN106904951A CN 106904951 A CN106904951 A CN 106904951A CN 201710212563 A CN201710212563 A CN 201710212563A CN 106904951 A CN106904951 A CN 106904951A
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parts
powder
sodium
tar
blast furnace
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王冰
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    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
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Abstract

The invention discloses a kind of blast furnace mud material and preparation method thereof, including following mass fraction raw material：3 15 ~ 20 parts of 1mm alumina, 5 ~ 8 parts of 1 0mm corundum, 10 ~ 15 parts of 1 0mm sillimanites, 0.5 8 ~ 15 parts of 0mm magnesia iron, 8 ~ 13 parts of inclined clay powder, 37 parts of cobalt oxide aluminium powder, 5 ~ 10 parts of powder of cutting, 10 ~ 25 parts of graphite powder, compound 5 10 parts of powdered carbon, 1 ~ 2 part of asphalt powder, modified 13 ~ 16 parts of tar etc..Rationally, preparation method is simple for inventive formulation, and tapping hole aperture stabilization can be protected to be difficult change, stabilization of tapping a blast furnace, and during long-term storage, performance, operating characteristics do not decline the stemming in addition.

Description

A kind of blast furnace mud material and preparation method thereof
Technical field
Iron and steel smelting technology field of the present invention, more particularly to a kind of blast furnace mud material and preparation method thereof.
Background technology
, it is necessary to molten iron is put through blast furnace iron notch after blast furnace is the main equipment of smelting molten iron, and blast furnace process iron is finished Go out to ensure that smelting is carried out continuously, it is necessary to which tapping hole is blocked, block the material of tapping hole, as stemming.At present, smelting The such as iron ore high of titanium containing vanadium when some special iron ores, because vanadium, titanyl compound fusing point are very high, it is higher than temperature of tapping a blast furnace Degree, can not be melted when tapping a blast furnace, and can be deposited on tapping hole, cause to tie thicker and thicker, cause the aperture of tapping hole to change；It is high General to tapping hole under temperature to process in time again, the stabilization that the change of tapping hole has had a strong impact on iron mouth is tapped a blast furnace, and causes to tap a blast furnace Shi Buwen, easily causes molten iron to run big stream, flame arrow, and difficulty is brought to the normal production schedule tapped a blast furnace of blast furnace is arranged.
The content of the invention
Goal of the invention：The present invention is directed to deficiency of the prior art, proposes a kind of blast furnace mud material and preparation method thereof.
Technical scheme：A kind of blast furnace mud material of the present invention, including following mass fraction raw material：
15 ~ 20 parts of 3-1mm alumina, 5 ~ 8 parts of 1-0mm corundum, 10 ~ 15 parts of 1-0mm sillimanites, 0.5-0mm magnesia iron 8 ~ 15 parts, 8 ~ 13 parts of inclined clay powder, 3-7 parts of cobalt oxide aluminium powder, cutting 5 ~ 10 parts of powder, 10 ~ 25 parts of graphite powder, activated carbon composite Powder 5-10 parts, 1 ~ 2 part of asphalt powder, modified 13 ~ 16 parts of tar, sodium oxide molybdena 0.5-1 parts, sodium peroxide 5-10 parts, perchloric acid Sodium 10-15 parts, calcium oxide 1-5 parts, borax 10-20 parts, calcium nitrite 3-10 parts, sodium perborate 1-4 parts, polyacrylamide 10- 30 parts, described modified tar includes 97 parts of tar, 1 part of ethylene glycol, N- methyl pyrrole network alkane for 100 parts of modified tar 2 parts of ketone, through the product that three kinds of materials reconcile.
Further, including following mass fraction raw material：
15 ~ 18 parts of 3-1mm alumina, 5 ~ 7 parts of 1-0mm corundum, 10 ~ 12 parts of 1-0mm sillimanites, 0.5-0mm magnesia iron 8 ~ 10 parts, 8 ~ 12 parts of inclined clay powder, 3-6 parts of cobalt oxide aluminium powder, 5 ~ 8 parts of powder of cutting, 10 ~ 20 parts of graphite powder, compound powdered carbon 5-8 Part, 1 ~ 1.5 part of asphalt powder, modified 13 ~ 15 parts of tar, sodium oxide molybdena 0.5-0.8 parts, sodium peroxide 5-8 parts, sodium perchlorate 10-12 Part, calcium oxide 1-4 parts, borax 10-15 parts, calcium nitrite 3-8 parts, sodium perborate 1-3 parts, polyacrylamide 10-20 parts, it is described Modified tar include 97 parts of tar for 100 parts of modified tar, 1 part of ethylene glycol, 2 parts of N- methyl pyrrole networks alkanone, warp The product that three kinds of materials reconcile.
Further, including following mass fraction raw material：
16 parts of 3-1mm alumina, 6 parts of 1-0mm corundum, 11 parts of 1-0mm sillimanites, 9 parts of 0.5-0mm magnesia iron, inclined clay 10 parts of powder, 4 parts of cobalt oxide aluminium powder, 6 parts of powder of cutting, 15 parts of graphite powder, compound 6 parts of powdered carbon, 1.2 parts of asphalt powder, modified tar 14 Part, 0.6 part of sodium oxide molybdena, 7 parts of sodium peroxide, 11 parts of sodium perchlorate, 3 parts of calcium oxide, 12 parts of borax, 6 parts of calcium nitrite, perboric acid 2 parts of sodium, 15 parts of polyacrylamide, described modified tar include 97 parts of tar, ethylene glycol 1 for 100 parts of modified tar Part, 2 parts of N- methyl pyrrole networks alkanone, through the product that three kinds of materials reconcile.
Further, described compound powdered carbon is hard charcoal, and sugar charcoal, three kinds of substance weights of pitch coke compare 1：2：7 it is mixed Compound.
Further, the inclined clay powder is that weight ratio shared by clay obtains the composition of metakaolin after Overheating Treatment reaches More than 60% substance A, substance A is with leucite, dextrin by weight 8.5：1.2 ：0.3 is well mixed, and as glues partially Native powder.
Further, the cutting powder is the cutting powder of cutting monocrystalline silicon generation during monocrystalline silicon production, described main Composition is SiC 50-70%, elemental silicon 30-50%.
The invention also discloses a kind of above-mentioned preparation method of blast furnace mud material, comprise the following steps：
（1）Stemming is produced, by 3-1mm alumina；1-0mm corundum；1-0mm sillimanites；0.5-0mm magnesia iron；Inclined clay Powder；Cobalt oxide aluminium powder, cuts powder；Graphite powder, is combined powdered carbon, and mid temperature pitch powder is put into wheeled kolleroang, is first pre-mixed 15 points Clock；
（2）It is subsequently adding the 85% of modified tar total amount, wet stone roller 35 minutes；Add remaining 15% modified tar, sodium oxide molybdena, Sodium peroxide, sodium perchlorate, calcium oxide, borax, calcium nitrite, sodium perborate, polyacrylamide, rewetting are ground 15 minutes；Through Stemming microtome is crossed, then through mud extruder, mud shaping is squeezed, room temperature is as cold as after cutting section, the crowded mud temperature in the step It is set as 55 DEG C；
（3）With liniment, by zirconic acid calcium powder, graphite powder, potassium silicate solution is by weight 38：32 ：30 stirrings are made into uniform Mixing liquid is liniment, prepares stand-by；
（4）Stemming after cooling is smeared into surface with liniment, packaging bag, as finished product are reinstalled after drying.
Beneficial effect：Rationally, preparation method is simple for inventive formulation, and tapping hole aperture stabilization can be protected to be difficult change, Tap a blast furnace stably, during long-term storage, performance, operating characteristics do not decline the stemming in addition.
Specific embodiment
With reference to specific embodiment, the invention will be further described：
Embodiment 1
A kind of blast furnace mud material, including following mass fraction raw material：
15 parts of 3-1mm alumina, 5 parts of 1-0mm corundum, 10 parts of 1-0mm sillimanites, 8 parts of 0.5-0mm magnesia iron, partially glue 8 parts of native powder, 3 parts of cobalt oxide aluminium powder, 5 parts of powder of cutting, 10 parts of graphite powder, compound 5 parts of powdered carbon, 1 part of asphalt powder, modified tar 13 parts, 0.5 part of sodium oxide molybdena, 5 parts of sodium peroxide, 10 parts of sodium perchlorate, 1 part of calcium oxide, 10 parts of borax, 3 parts of calcium nitrite, cross boron 1 part of sour sodium, 10 parts of polyacrylamide, described modified tar include 97 parts of tar, ethylene glycol 1 for 100 parts of modified tar Part, 2 parts of N- methyl pyrrole networks alkanone, through the product that three kinds of materials reconcile.
A kind of preparation method of above-mentioned blast furnace mud material is：
（1）Stemming is produced, by 3-1mm alumina；1-0mm corundum；1-0mm sillimanites；0.5-0mm magnesia iron；Inclined clay Powder；Cobalt oxide aluminium powder, cuts powder；Graphite powder, is combined powdered carbon, and mid temperature pitch powder is put into wheeled kolleroang, is first pre-mixed 15 points Clock；
（2）It is subsequently adding the 85% of modified tar total amount, wet stone roller 35 minutes；Add remaining 15% modified tar, sodium oxide molybdena, Sodium peroxide, sodium perchlorate, calcium oxide, borax, calcium nitrite, sodium perborate, polyacrylamide, rewetting are ground 15 minutes；Through Stemming microtome is crossed, then through mud extruder, mud shaping is squeezed, room temperature is as cold as after cutting section, the crowded mud temperature in the step It is set as 55 DEG C；
（3）With liniment, by zirconic acid calcium powder, graphite powder, potassium silicate solution is by weight 38：32 ：30 stirrings are made into uniform Mixing liquid is liniment, prepares stand-by；
（4）Stemming after cooling is smeared into surface with liniment, packaging bag, as finished product are reinstalled after drying.
Embodiment 2
A kind of blast furnace mud material, including following mass fraction raw material：
20 parts of 3-1mm alumina, 8 parts of 1-0mm corundum, 15 parts of 1-0mm sillimanites, 15 parts of 0.5-0mm magnesia iron, Inclined 13 parts of clay powder, 7 parts of cobalt oxide aluminium powder, 10 parts of powder of cutting, 25 parts of graphite powder, compound 10 parts of powdered carbon, asphalt powder 2 Part, modified 16 parts of tar, 1 part of sodium oxide molybdena, 10 parts of sodium peroxide, 15 parts of sodium perchlorate, 5 parts of calcium oxide, 20 parts of borax, nitrous 10 parts of sour calcium, 4 parts of sodium perborate, 30 parts of polyacrylamide, described modified tar include tar for 100 parts of modified tar 97 parts, 1 part of ethylene glycol, 2 parts of N- methyl pyrrole networks alkanone, through the product that three kinds of materials reconcile.
A kind of preparation method of above-mentioned blast furnace mud material is：
（1）Stemming is produced, by 3-1mm alumina；1-0mm corundum；1-0mm sillimanites；0.5-0mm magnesia iron；Inclined clay Powder；Cobalt oxide aluminium powder, cuts powder；Graphite powder, is combined powdered carbon, and mid temperature pitch powder is put into wheeled kolleroang, is first pre-mixed 15 points Clock；
（2）It is subsequently adding the 85% of modified tar total amount, wet stone roller 35 minutes；Add remaining 15% modified tar, sodium oxide molybdena, Sodium peroxide, sodium perchlorate, calcium oxide, borax, calcium nitrite, sodium perborate, polyacrylamide, rewetting are ground 15 minutes；Through Stemming microtome is crossed, then through mud extruder, mud shaping is squeezed, room temperature is as cold as after cutting section, the crowded mud temperature in the step It is set as 55 DEG C；
（3）With liniment, by zirconic acid calcium powder, graphite powder, potassium silicate solution is by weight 38：32 ：30 stirrings are made into uniform Mixing liquid is liniment, prepares stand-by；
（4）Stemming after cooling is smeared into surface with liniment, packaging bag, as finished product are reinstalled after drying.
Embodiment 3
A kind of blast furnace mud material, including following mass fraction raw material：
16 parts of 3-1mm alumina, 6 parts of 1-0mm corundum, 11 parts of 1-0mm sillimanites, 9 parts of 0.5-0mm magnesia iron, inclined clay 10 parts of powder, 4 parts of cobalt oxide aluminium powder, 6 parts of powder of cutting, 15 parts of graphite powder, compound 6 parts of powdered carbon, 1.2 parts of asphalt powder, modified tar 14 Part, 0.6 part of sodium oxide molybdena, 7 parts of sodium peroxide, 11 parts of sodium perchlorate, 3 parts of calcium oxide, 12 parts of borax, 6 parts of calcium nitrite, perboric acid 2 parts of sodium, 15 parts of polyacrylamide, described modified tar include 97 parts of tar, ethylene glycol 1 for 100 parts of modified tar Part, 2 parts of N- methyl pyrrole networks alkanone, through the product that three kinds of materials reconcile.
A kind of preparation method of above-mentioned blast furnace mud material is：
（1）Stemming is produced, by 3-1mm alumina；1-0mm corundum；1-0mm sillimanites；0.5-0mm magnesia iron；Inclined clay Powder；Cobalt oxide aluminium powder, cuts powder；Graphite powder, is combined powdered carbon, and mid temperature pitch powder is put into wheeled kolleroang, is first pre-mixed 15 points Clock；
（2）It is subsequently adding the 85% of modified tar total amount, wet stone roller 35 minutes；Add remaining 15% modified tar, sodium oxide molybdena, Sodium peroxide, sodium perchlorate, calcium oxide, borax, calcium nitrite, sodium perborate, polyacrylamide, rewetting are ground 15 minutes；Through Stemming microtome is crossed, then through mud extruder, mud shaping is squeezed, room temperature is as cold as after cutting section, the crowded mud temperature in the step It is set as 55 DEG C；
（3）With liniment, by zirconic acid calcium powder, graphite powder, potassium silicate solution is by weight 38：32 ：30 stirrings are made into uniform Mixing liquid is liniment, prepares stand-by；
（4）Stemming after cooling is smeared into surface with liniment, packaging bag, as finished product are reinstalled after drying.
The above, is only presently preferred embodiments of the present invention, and any formal limitation is not made to the present invention, though So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people Member, without departing from the scope of the present invention, when making a little change or modification using the technology contents of the disclosure above It is the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solution of the present invention, according to technical spirit of the invention Any simple modification, equivalent variations and the modification made to above example, still fall within the range of technical solution of the present invention.

Claims (7)

1. a kind of blast furnace mud material, it is characterised in that：Raw material including following mass fraction：
15 ~ 20 parts of 3-1mm alumina, 5 ~ 8 parts of 1-0mm corundum, 10 ~ 15 parts of 1-0mm sillimanites, 0.5-0mm magnesia iron 8 ~ 15 parts, 8 ~ 13 parts of inclined clay powder, 3-7 parts of cobalt oxide aluminium powder, cutting 5 ~ 10 parts of powder, 10 ~ 25 parts of graphite powder, activated carbon composite Powder 5-10 parts, 1 ~ 2 part of asphalt powder, modified 13 ~ 16 parts of tar, sodium oxide molybdena 0.5-1 parts, sodium peroxide 5-10 parts, perchloric acid Sodium 10-15 parts, calcium oxide 1-5 parts, borax 10-20 parts, calcium nitrite 3-10 parts, sodium perborate 1-4 parts, polyacrylamide 10- 30 parts, described modified tar includes 97 parts of tar, 1 part of ethylene glycol, N- methyl pyrrole network alkane for 100 parts of modified tar 2 parts of ketone, through the product that three kinds of materials reconcile.
2. a kind of blast furnace mud material according to claim 1, it is characterised in that：Raw material including following mass fraction：
15 ~ 18 parts of 3-1mm alumina, 5 ~ 7 parts of 1-0mm corundum, 10 ~ 12 parts of 1-0mm sillimanites, 0.5-0mm magnesia iron 8 ~ 10 parts, 8 ~ 12 parts of inclined clay powder, 3-6 parts of cobalt oxide aluminium powder, 5 ~ 8 parts of powder of cutting, 10 ~ 20 parts of graphite powder, compound powdered carbon 5-8 Part, 1 ~ 1.5 part of asphalt powder, modified 13 ~ 15 parts of tar, sodium oxide molybdena 0.5-0.8 parts, sodium peroxide 5-8 parts, sodium perchlorate 10-12 Part, calcium oxide 1-4 parts, borax 10-15 parts, calcium nitrite 3-8 parts, sodium perborate 1-3 parts, polyacrylamide 10-20 parts, it is described Modified tar include 97 parts of tar for 100 parts of modified tar, 1 part of ethylene glycol, 2 parts of N- methyl pyrrole networks alkanone, warp The product that three kinds of materials reconcile.
3. a kind of blast furnace mud material according to claim 1, it is characterised in that：Raw material including following mass fraction：
16 parts of 3-1mm alumina, 6 parts of 1-0mm corundum, 11 parts of 1-0mm sillimanites, 9 parts of 0.5-0mm magnesia iron, inclined clay 10 parts of powder, 4 parts of cobalt oxide aluminium powder, 6 parts of powder of cutting, 15 parts of graphite powder, compound 6 parts of powdered carbon, 1.2 parts of asphalt powder, modified tar 14 Part, 0.6 part of sodium oxide molybdena, 7 parts of sodium peroxide, 11 parts of sodium perchlorate, 3 parts of calcium oxide, 12 parts of borax, 6 parts of calcium nitrite, perboric acid 2 parts of sodium, 15 parts of polyacrylamide, described modified tar include 97 parts of tar, ethylene glycol 1 for 100 parts of modified tar Part, 2 parts of N- methyl pyrrole networks alkanone, through the product that three kinds of materials reconcile.
4. a kind of blast furnace mud material according to claim 1, it is characterised in that：Described compound powdered carbon is hard charcoal, sugar Charcoal, three kinds of substance weights of pitch coke compare 1：2：7 mixture.
5. a kind of blast furnace mud material according to claim 1, it is characterised in that：The inclined clay powder is clay through overheat Weight shared by the composition of metakaolin is obtained after treatment than the substance A up to more than 60%, substance A is pressed with leucite, dextrin Weight compares 8.5：1.2 ：0.3 is well mixed, as inclined clay powder.
6. a kind of blast furnace mud material according to claim 1, it is characterised in that：The cutting powder is monocrystalline silicon production mistake The cutting powder that monocrystalline silicon is produced is cut in journey, the main component is SiC 50-70%, elemental silicon 30-50%.
7. the preparation method of a kind of blast furnace mud material according to claim 1-6 any one, it is characterised in that：Including Following steps：
（1）Stemming is produced, by 3-1mm alumina；1-0mm corundum；1-0mm sillimanites；0.5-0mm magnesia iron；Inclined clay Powder；Cobalt oxide aluminium powder, cuts powder；Graphite powder, is combined powdered carbon, and mid temperature pitch powder is put into wheeled kolleroang, is first pre-mixed 15 points Clock；
（2）It is subsequently adding the 85% of modified tar total amount, wet stone roller 35 minutes；Add remaining 15% modified tar, sodium oxide molybdena, Sodium peroxide, sodium perchlorate, calcium oxide, borax, calcium nitrite, sodium perborate, polyacrylamide, rewetting are ground 15 minutes；Through Stemming microtome is crossed, then through mud extruder, mud shaping is squeezed, room temperature is as cold as after cutting section, the crowded mud temperature in the step It is set as 55 DEG C；
（3）With liniment, by zirconic acid calcium powder, graphite powder, potassium silicate solution is by weight 38：32 ：30 stirrings are made into uniform Mixing liquid is liniment, prepares stand-by；
（4）Stemming after cooling is smeared into surface with liniment, packaging bag, as finished product are reinstalled after drying.
CN201710212563.0A 2017-04-01 2017-04-01 A kind of blast furnace mud material and preparation method thereof Pending CN106904951A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108840691A (en) * 2018-08-07 2018-11-20 李保珍 A kind of aquamaine ground mass stemming composite material and preparation method
CN111875360A (en) * 2020-06-16 2020-11-03 浙江攀盛冶金材料有限公司 Corundum injection material

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101058851A (en) * 2006-04-20 2007-10-24 刘钧 Steel smelt additive and processing technology thereof
CN105218127A (en) * 2015-11-03 2016-01-06 张婷 A kind of iron notch blast furnace mud and preparation method
CN105218125A (en) * 2015-11-03 2016-01-06 张婷 A kind of blast furnace mud

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101058851A (en) * 2006-04-20 2007-10-24 刘钧 Steel smelt additive and processing technology thereof
CN105218127A (en) * 2015-11-03 2016-01-06 张婷 A kind of iron notch blast furnace mud and preparation method
CN105218125A (en) * 2015-11-03 2016-01-06 张婷 A kind of blast furnace mud

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108840691A (en) * 2018-08-07 2018-11-20 李保珍 A kind of aquamaine ground mass stemming composite material and preparation method
CN111875360A (en) * 2020-06-16 2020-11-03 浙江攀盛冶金材料有限公司 Corundum injection material

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