CN104557087B - A kind of 900m3Blast furnace mud - Google Patents

A kind of 900m3Blast furnace mud Download PDF

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Publication number
CN104557087B
CN104557087B CN201410847493.2A CN201410847493A CN104557087B CN 104557087 B CN104557087 B CN 104557087B CN 201410847493 A CN201410847493 A CN 201410847493A CN 104557087 B CN104557087 B CN 104557087B
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parts
blast furnace
mud
stemming
powder
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CN104557087A (en
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王华辉
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Gansu Into Cycle Of Economic Development Co Ltd
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Priority to CN201610244731.XA priority patent/CN105859312A/en
Priority to CN201610244733.9A priority patent/CN105906352A/en
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Abstract

The invention discloses a kind of 900m3Blast furnace mud, it is characterised in that described blast furnace mud is made up of the component of following weight portion: titanium nitride: 6 ~ 10 parts; Aluminium nitride: 8 ~ 15 parts; Pyrophillite rawore: 10 ~ 20 parts; Zirconium carbonate 1-3 part; Ball clay: 10 ~ 20 parts; Alumina powder 2 ~ 4 parts; Graphite powder: 12 ~ 20 parts; Silicate 425 cement? 0-1 part; Silicon nitride iron powder: 3 ~ 8 parts, anchracite duff 2-5 part, resin-oatmeal: 3 ~ 8 parts; Polyether-modified polysiloxane: 0.01 ~ 0.05 part; Additional bonding agent: 15 ~ 18 parts. After using technical scheme, it is thus achieved that it is convenient that one beats mud, iron-resistant water erosion, the stemming that molten iron discharging is stable, can solve current blast furnace uses the stemming tapping hole caused of poor quality to shoal, not resistance to erosion, the problem such as corrodes and stemming is seriously polluted weak to molten iron.

Description

A kind of 900m3Blast furnace mud
Technical field
The invention belongs to blast furnace ironmaking plastic refractory field, be specifically related to a kind of novel blast-furnace stemming and preparation method.
Background technology
Blast furnace is the main equipment of manUfaCtUre of pig iron, and after blast furnace process ferrum, after being released from ferrum mouth by molten iron, in order to ensure that smelting continuously performs, it is necessary to tapping hole is blocked, blocks the material of tapping hole, be stemming. And tapping hole is in life-time service process, all having erosion, tapping hole there will be reaming, causing that flowing molten iron is unstable, ferrum mouth shoals, and goes out unclean ferrum, even run the situations such as big stream, have a strong impact on production and normally tap a blast furnace, and finally have impact on the service life of blast furnace and the growth of yield.
Summary of the invention
It is an object of the invention to provide a kind of mud of beating to facilitate, iron-resistant water erosion, stemming that molten iron discharging is stable and production method thereof.
The above-mentioned technical purpose of the present invention has the technical scheme that a kind of 900m3Blast furnace mud, it is characterised in that described blast furnace mud is made up of the component of following weight portion: 10 ~ 20 parts of Alumina; Titanium nitride: 6 ~ 10 parts; Aluminium nitride: 8 ~ 15 parts; Pyrophillite rawore: 10 ~ 20 parts; Zirconium carbonate 1-3 part; Ball clay: 10 ~ 20 parts; Alumina powder 2 ~ 4 parts; Graphite powder: 12 ~ 20 parts; Silicate 425 cement 0-1 part; Silicon nitride iron powder: 3 ~ 8 parts, anchracite duff 2-5 part, resin-oatmeal: 3 ~ 8 parts; Polyether-modified polysiloxane: 0.01 ~ 0.05 part; Additional bonding agent: 15 ~ 18 parts.
Preferred as the present invention, described blast furnace mud is made up of the component of following weight portion: 10 parts of Alumina; Titanium nitride: 10 parts; Aluminium nitride: 8 parts; Pyrophillite rawore: 10 parts; Zirconium carbonate 1 part; Ball clay: 20 parts; Alumina powder 2 parts; Graphite powder: 20 parts; Silicate 425 cement 1 part; Silicon nitride iron powder: 8 parts, anchracite duff 4 parts, resin-oatmeal: 6 parts; Polyether-modified polysiloxane: 0.05 part; Additional bonding agent: 15 parts.
Preferred as the present invention, the granularity of described alumina powder is < 325 order; The granularity of described anchracite duff is 200 orders.
Preferred as the present invention, this bonding agent is by the tar modified bonding agent by obtaining with sodium peroxide Hybrid Heating. As preferably, the benzopyrene content 50-100ppm of described modified bonding agent.
Preferred, described a kind of 900m as the present invention3The preparation method of blast furnace mud, it is characterised in that adopt following process method to prepare: all above-mentioned raw materials are put into kolleroang, first premixing 15 minutes; It is subsequently adding the 80% of bonding agent total amount, wet stone roller 40 minutes; Adding remaining 20% bonding agent, rewetting is ground 10 minutes; Through stemming microtome, then through mud extruder, squeeze mud molding, load packaging bag, be finished product; Squeeze mud temperature and be set as 70 DEG C.
Compared with existing stemming series products system, present invention adds aluminium nitride, reduce the angle of wetting of molten iron and stemming, molten iron is not easily reacted with stemming, improve the ability of sulfur phosphorus in resistance to molten iron, the titanium nitride of addition improves the capacity of heat transmission of stemming, erosion resistibility, its molten iron is had inertia excellent properties, improve the anti-erosion erosion resistibility of stemming; After using technical scheme, it is thus achieved that it is convenient that one beats mud, iron-resistant water erosion, the stemming that molten iron discharging is stable, can solve current blast furnace uses the stemming tapping hole caused of poor quality to shoal, not resistance to erosion, the problem such as corrodes and stemming is seriously polluted weak to molten iron.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1: a kind of for 900m3Blast furnace mud, it is characterised in that described blast furnace mud is made up of the component of following weight portion: 10 parts of Alumina; Titanium nitride: 10 parts; Aluminium nitride: 8 parts; Pyrophillite rawore: 10 parts; Zirconium carbonate 1 part; Ball clay: 20 parts; Alumina powder 2 parts; Graphite powder: 20 parts; Silicate 425 cement 1 part; Silicon nitride iron powder: 8 parts, anchracite duff 4 parts, resin-oatmeal: 6 parts; Polyether-modified polysiloxane: 0.05 part; Additional bonding agent: 15 parts;
The preparation method of stemming: all above-mentioned raw materials are put into kolleroang, first premixing 15 minutes; It is subsequently adding the 80% of bonding agent total amount, wet stone roller 40 minutes; Adding remaining 20% bonding agent, rewetting is ground 10 minutes; Through stemming microtome, then through mud extruder, squeeze mud molding, load packaging bag, be finished product; Squeeze mud temperature and be set as 70 DEG C.
Embodiment 2: a kind of for 900m3Blast furnace mud, it is characterised in that described blast furnace mud is made up of the component of following weight portion: 14 parts of Alumina; Titanium nitride: 6 parts; Aluminium nitride: 8 parts; Pyrophillite rawore: 10 parts; Zirconium carbonate 1 part; Ball clay: 20 parts; Alumina powder 2 parts; Graphite powder: 20 parts; Silicon nitride iron powder: 8 parts, anchracite duff 4 parts, resin-oatmeal: 7 parts; Polyether-modified polysiloxane: 0.03 part; Additional bonding agent: 17 parts; The preparation method of stemming: all above-mentioned raw materials are put into kolleroang, first premixing 15 minutes; It is subsequently adding the 80% of bonding agent total amount, wet stone roller 40 minutes; Adding remaining 20% bonding agent, rewetting is ground 10 minutes; Through stemming microtome, then through mud extruder, squeeze mud molding, load packaging bag, be finished product; Squeeze mud temperature and be set as 70 DEG C.
Embodiment 3: a kind of for 900m3Blast furnace mud, it is characterised in that described blast furnace mud is made up of the component of following weight portion: 14 parts of Alumina; Titanium nitride: 6 parts; Aluminium nitride: 10 parts; Pyrophillite rawore: 16 parts; Zirconium carbonate 1 part;Ball clay: 20 parts; Alumina powder 2 parts; Graphite powder: 12 parts; Silicate 425 cement 1 part; Silicon nitride iron powder: 8 parts, anchracite duff 4 parts, resin-oatmeal: 6 parts; Polyether-modified polysiloxane: 0.01 part; Additional bonding agent: 18 parts; The preparation method of stemming: all above-mentioned raw materials are put into kolleroang, first premixing 15 minutes; It is subsequently adding the 80% of bonding agent total amount, wet stone roller 40 minutes; Adding remaining 20% bonding agent, rewetting is ground 10 minutes; Through stemming microtome, then through mud extruder, squeeze mud molding, load packaging bag, be finished product; Squeeze mud temperature and be set as 70 DEG C. .
The performance test results of above-described embodiment 1 ~ 3 is shown in following table
After it uses, situation is as follows: easily play mud, ferrum mouth appropriate depth, iron-resistant water erosion, taps a blast furnace stable, it is possible to solving current blast furnace and use the stemming tapping hole caused of poor quality to shoal, not resistance to erosion, weak to problems such as molten iron erosions.
This specific embodiment is only explanation of the invention; it is not the restriction to invention; the present embodiment can be made any amendment by those skilled in the art after reading this specification as required, but as long as being affected by the protection of Patent Law in scope of the presently claimed invention.

Claims (1)

1. a 900m3Blast furnace mud, it is characterised in that described blast furnace mud is made up of the component of following weight portion: 14 parts of Alumina; Titanium nitride: 6 parts; Aluminium nitride: 10 parts; Pyrophillite rawore: 16 parts; Zirconium carbonate 1 part; Ball clay: 20 parts; Alumina powder 2 parts; Graphite powder: 12 parts; Silicate 425 cement 1 part; Silicon nitride iron powder: 8 parts, anchracite duff 4 parts, resin-oatmeal: 6 parts; Polyether-modified polysiloxane: 0.01 part; Additional bonding agent: 18 parts; The granularity of described alumina powder is < 325 order; The granularity of described anchracite duff is 200 orders; Described bonding agent is by tar by obtaining with sodium peroxide Hybrid Heating, and benzopyrene content is 50-100ppm.
CN201410847493.2A 2014-12-29 2014-12-29 A kind of 900m3Blast furnace mud Expired - Fee Related CN104557087B (en)

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CN108276011B (en) * 2018-03-02 2020-11-24 徐州苏牌高温新材料有限公司 Stemming for blocking blast furnace taphole and preparation method thereof
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CN101602604A (en) * 2009-07-10 2009-12-16 武汉钢铁(集团)公司 A kind of blast furnace mud and method of manufacturing technology thereof
CN102617157A (en) * 2012-02-22 2012-08-01 北京首钢耐材炉料有限公司 Stemming and method for preparing same
JP2013063883A (en) * 2011-09-20 2013-04-11 Shinagawa Refractories Co Ltd Mud material for sealing blast furnace taphole

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101219900A (en) * 2007-01-08 2008-07-16 宝山钢铁股份有限公司 Bleed hole stemming and method for producing the same
CN101602604A (en) * 2009-07-10 2009-12-16 武汉钢铁(集团)公司 A kind of blast furnace mud and method of manufacturing technology thereof
JP2013063883A (en) * 2011-09-20 2013-04-11 Shinagawa Refractories Co Ltd Mud material for sealing blast furnace taphole
CN102617157A (en) * 2012-02-22 2012-08-01 北京首钢耐材炉料有限公司 Stemming and method for preparing same

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