CN105777147A - Durable blowpipe material - Google Patents
Durable blowpipe material Download PDFInfo
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- CN105777147A CN105777147A CN201510724545.1A CN201510724545A CN105777147A CN 105777147 A CN105777147 A CN 105777147A CN 201510724545 A CN201510724545 A CN 201510724545A CN 105777147 A CN105777147 A CN 105777147A
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
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Abstract
The invention discloses a durable blowpipe material. Through improving a formula and introducing carbon powder and silicon powder, of which the particle size is 10 microns, and compounded admixtures into the blowpipe material, the introduced special carbon powder and silicon powder with the particle size of about 10 microns produce SiC whiskers during firing, the SiC whiskers are uniformly distributed in gaps between a matrix and particles, the expansion resulting from the firing of the material is filled up, and SiC is bonded with a ceramic phase so as to improve the density and thermal shock stability of the material; and meanwhile, relatively high strength is obtained, so that the probability of burn-through of blowpipes during use is lowered. Compound sodium hexametahposphate, sodium tripolyphosphate and the like are adopted as the admixtures, so that the fluidity during the manufacturing of the blowpipes is improved and is relatively good, the hardening time for the blowpipe material is shortened, and the production schedule of the material is guaranteed; and on the other hand, bonding strength is generated during the manufacturing of the blowpipes, and the internal bonding mode of the blowpipes is changed into ceramic bond after baking and firing, so that the strength of the material is improved, and the service lives of the blowpipes are prolonged.
Description
[technical field]
The present invention relates to the technical field of metal smelt, particularly the technical field of a kind of durable type blowpipe material.
[background technology]
Current blast furnace blowpipe material adopts corundum-mullite matter castable cast blowpipe liner, and being typically necessary between castable and box hat also needs to put one layer of heat resistance fiber cotton, reaches effect of heat insulation.And high pathogenic wind-warm constantly progressive recently as ironmaking technology, high oxygen enrichment, big coal injection application, constantly there is accident in blast furnace air supply system.After adopting strengthening smelting measure, blowpipe tends to rubescent, and the blowpipe of even new cast has just used and has been popular in regard to entirety, it has to more renew the blowpipe of cast.This affects the life-span of blowpipe box hat on the one hand, on the other hand, again and again changes the blowpipe strengthening smelting operation on blast furnace and also results in impact.
[summary of the invention]
The purpose of the present invention solves the problems of the prior art exactly, a kind of durable type blowpipe material is proposed, consistency and the thermal shock resistance of blowpipe material can be effectively improved, obtain higher intensity simultaneously, blowpipe is made in use to reduce the probability burnt, extend the service life of blowpipe, improve production efficiency.
For achieving the above object, the present invention proposes a kind of durable type blowpipe material, and the mass ratio including following components and each component is:
As preferably, described mullite raw material is the fine powder of granule < 0.625mm, described flint clay raw material is the fine powder of granule < 0.545mm, described graphite microparticles raw material is the fine powder of granule < 0.010mm, described metallic silicon powder material is the fine powder of granule < 0.010mm, described sic raw material is the fine powder of granule < 0.065mm, and described high calcium aluminate cement raw material is the fine powder of granule < 0.425mm.
As preferably, described explosion-proof fiber is polyurethanes fiber.
As preferably, described composite micro-powder includes the mass ratio of following components and each component and is: alumina powder: 30～40 parts；Ultrafine silica powder: 60～70 parts.
As preferably, described composite additive includes the mass ratio of following components and each component and is: sodium hexameta phosphate: 40～50 parts；Sodium tripolyphosphate: 50～60 parts.
As preferably, described composite water-reducing agent includes the mass ratio of following components and each component and is: quick lime: 20～40 parts；Sodium lignosulphonate: 30～40 parts；Sodium sulphate: 20～50 parts；Inserts: 10～15 parts.
As preferably, the mass ratio of each component is: mullite: 45 parts；Flint clay: 25 parts；Graphite microparticles: 15 parts；Metallic silicon micropowder: 5 parts；Carborundum: 7 parts；High aluminous cement: 10 parts；Explosion-proof fiber: 2 parts；Composite micro-powder: 15 parts；Composite additive: 5 parts；Composite water-reducing agent: 3 parts.
As preferably, the mass ratio of each component is: mullite: 40 parts；Flint clay: 30 parts；Graphite microparticles: 10 parts；Metallic silicon micropowder: 5 parts；Carborundum: 5 parts；High aluminous cement: 10 parts；Explosion-proof fiber: 2 parts；Composite micro-powder: 10 parts；Composite additive: 3 parts；Composite water-reducing agent: 4 parts.
As preferably, the mass ratio of each component is: mullite: 50 parts；Flint clay: 25 parts；Graphite microparticles: 15 parts；Metallic silicon micropowder: 3 parts；Carborundum: 8 parts；High aluminous cement: 6 parts；Explosion-proof fiber: 3 parts；Composite micro-powder: 12 parts；Composite additive: 4 parts；Composite water-reducing agent: 4 parts.
Beneficial effects of the present invention: the present invention, by improving formula, introduces the carbon dust of 10um granule size, silica flour and composite additive in blowpipe material.The introducing special carbon dust of about 10um, silica flour generate SiC whisker in sintering procedure and are evenly distributed in substrate and granule gap, it is filled with the expansion that material produces in sintering procedure, SiC improves consistency and the thermal shock resistance of material in conjunction with ceramic phase, obtain higher intensity simultaneously, be that blowpipe in use reduces the probability burnt.Adopt compound sodium hexameta phosphate and sodium tripolyphosphate etc. as additive, improve fluidity fluidity when making blowpipe better, decrease the firm time of blowpipe material, it is ensured that the manufacturing schedule of material；Produce on the other hand glue-joint strength when making blowpipe, through overbaking with after firing, blowpipe internal combustion mode is converted into Ceramic bond, improves the intensity of material, extends the service life of blowpipe.The present invention has longer service life and serviceability, and from now on along with each big steel factory is to the blast furnace enhancing with the long-lived requirement of resistance to material, this product will have broad application prospects.
Inventive feature and advantage will be described in detail by embodiment.
[detailed description of the invention]
One durable type blowpipe material of the present invention, the mass ratio including following components and each component is:
Described mullite raw material is the fine powder of granule < 0.625mm, described flint clay raw material is the fine powder of granule < 0.545mm, described graphite microparticles raw material is the fine powder of granule < 0.010mm, described metallic silicon powder material is the fine powder of granule < 0.010mm, described sic raw material is the fine powder of granule < 0.065mm, and described high calcium aluminate cement raw material is the fine powder of granule < 0.425mm.
Described explosion-proof fiber is polyurethanes fiber.
Described composite micro-powder includes the mass ratio of following components and each component: alumina powder: 30～40 parts；Ultrafine silica powder: 60～70 parts.
Described composite additive includes the mass ratio of following components and each component: sodium hexameta phosphate: 40～50 parts；Sodium tripolyphosphate: 50～60 parts.
Described composite water-reducing agent includes the mass ratio of following components and each component: quick lime: 20～40 parts；Sodium lignosulphonate: 30～40 parts；Sodium sulphate: 20～50 parts；Inserts: 10～15 parts.
Embodiment one: mullite: 45 parts；Flint clay: 25 parts；Graphite microparticles: 15 parts；Metallic silicon micropowder: 5 parts；Carborundum: 7 parts；High aluminous cement: 10 parts；Explosion-proof fiber: 2 parts；Composite micro-powder: 15 parts；Composite additive: 5 parts；Composite water-reducing agent: 3 parts.
Embodiment two: mullite: 40 parts；Flint clay: 30 parts；Graphite microparticles: 10 parts；Metallic silicon micropowder: 5 parts；Carborundum: 5 parts；High aluminous cement: 10 parts；Explosion-proof fiber: 2 parts；Composite micro-powder: 10 parts；Composite additive: 3 parts；Composite water-reducing agent: 4 parts.
Embodiment three: mullite: 50 parts；Flint clay: 25 parts；Graphite microparticles: 15 parts；Metallic silicon micropowder: 3 parts；Carborundum: 8 parts；High aluminous cement: 6 parts；Explosion-proof fiber: 3 parts；Composite micro-powder: 12 parts；Composite additive: 4 parts；Composite water-reducing agent: 4 parts.
The present invention, by improving formula, introduces the carbon dust of 10um granule size, silica flour and composite additive in blowpipe material.The introducing special carbon dust of about 10um, silica flour generate SiC whisker in sintering procedure and are evenly distributed in substrate and granule gap, it is filled with the expansion that material produces in sintering procedure, SiC improves consistency and the thermal shock resistance of material in conjunction with ceramic phase, obtain higher intensity simultaneously, be that blowpipe in use reduces the probability burnt.Adopt compound sodium hexameta phosphate and sodium tripolyphosphate etc. as additive, improve fluidity fluidity when making blowpipe better, decrease the firm time of blowpipe material, it is ensured that the manufacturing schedule of material；Produce on the other hand glue-joint strength when making blowpipe, through overbaking with after firing, blowpipe internal combustion mode is converted into Ceramic bond, improves the intensity of material, extends the service life of blowpipe.The present invention has longer service life and serviceability, and from now on along with each big steel factory is to the blast furnace enhancing with the long-lived requirement of resistance to material, this product will have broad application prospects.
Above-described embodiment is the description of the invention, is not limitation of the invention, any scheme after simple transformation of the present invention is belonged to protection scope of the present invention.
Claims (9)
1. a durable type blowpipe material, it is characterised in that: the mass ratio including following components and each component is:
2. a kind of durable type blowpipe material as claimed in claim 1, it is characterized in that: described mullite raw material is the fine powder of granule < 0.625mm, described flint clay raw material is the fine powder of granule < 0.545mm, described graphite microparticles raw material is the fine powder of granule < 0.010mm, described metallic silicon powder material is the fine powder of granule < 0.010mm, described sic raw material is the fine powder of granule < 0.065mm, described high calcium aluminate cement raw material is the fine powder of granule < 0.425mm.
3. a kind of durable type blowpipe material as claimed in claim 1, it is characterised in that: described explosion-proof fiber is polyurethanes fiber.
4. a kind of durable type blowpipe material as claimed in claim 1, it is characterised in that: described composite micro-powder includes the mass ratio of following components and each component and is: alumina powder: 30～40 parts；Ultrafine silica powder: 60～70 parts.
5. a kind of durable type blowpipe material as claimed in claim 1, it is characterised in that: described composite additive includes the mass ratio of following components and each component and is: sodium hexameta phosphate: 40～50 parts；Sodium tripolyphosphate: 50～60 parts.
6. a kind of durable type blowpipe material as claimed in claim 1, it is characterised in that: described composite water-reducing agent includes the mass ratio of following components and each component and is: quick lime: 20～40 parts；Sodium lignosulphonate: 30～40 parts；Sodium sulphate: 20～50 parts；Inserts: 10～15 parts.
7. a kind of durable type blowpipe material as claimed in claim 1, it is characterised in that: the fraction scale including following components and each component is: mullite: 45 parts；Flint clay: 25 parts；Graphite microparticles: 15 parts；Metallic silicon micropowder: 5 parts；Carborundum: 7 parts；High aluminous cement: 10 parts；Explosion-proof fiber: 2 parts；Composite micro-powder: 15 parts；Composite additive: 5 parts；Composite water-reducing agent: 3 parts.
8. a kind of durable type blowpipe material as claimed in claim 1, it is characterised in that: the fraction scale including following components and each component is: mullite: 40 parts；Flint clay: 30 parts；Graphite microparticles: 10 parts；Metallic silicon micropowder: 5 parts；Carborundum: 5 parts；High aluminous cement: 10 parts；Explosion-proof fiber: 2 parts；Composite micro-powder: 10 parts；Composite additive: 3 parts；Composite water-reducing agent: 4 parts.
9. a kind of durable type blowpipe material as claimed in claim 1, it is characterised in that: the fraction scale including following components and each component is: mullite: 50 parts；Flint clay: 25 parts；Graphite microparticles: 15 parts；Metallic silicon micropowder: 3 parts；Carborundum: 8 parts；High aluminous cement: 6 parts；Explosion-proof fiber: 3 parts；Composite micro-powder: 12 parts；Composite additive: 4 parts；Composite water-reducing agent: 4 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510724545.1A CN105777147A (en) | 2015-10-29 | 2015-10-29 | Durable blowpipe material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510724545.1A CN105777147A (en) | 2015-10-29 | 2015-10-29 | Durable blowpipe material |
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| CN105777147A true CN105777147A (en) | 2016-07-20 |
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| CN201510724545.1A Pending CN105777147A (en) | 2015-10-29 | 2015-10-29 | Durable blowpipe material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110818417A (en) * | 2019-11-18 | 2020-02-21 | 武汉科技大学 | Carbon-silicon carbide porous filter for purifying air and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180680A (en) * | 2011-02-22 | 2011-09-14 | 佘成其 | Energy-saving blast furnace blowpipe material |
| CN103880454A (en) * | 2014-03-28 | 2014-06-25 | 长兴明天炉料有限公司 | Tap hole reclaimed material recycled quick-dry anti-explosion castable |
| CN104211417A (en) * | 2014-09-03 | 2014-12-17 | 长兴明天炉料有限公司 | Main trough castable for smelting vanadium-titanium ore |
-
2015
- 2015-10-29 CN CN201510724545.1A patent/CN105777147A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180680A (en) * | 2011-02-22 | 2011-09-14 | 佘成其 | Energy-saving blast furnace blowpipe material |
| CN103880454A (en) * | 2014-03-28 | 2014-06-25 | 长兴明天炉料有限公司 | Tap hole reclaimed material recycled quick-dry anti-explosion castable |
| CN104211417A (en) * | 2014-09-03 | 2014-12-17 | 长兴明天炉料有限公司 | Main trough castable for smelting vanadium-titanium ore |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110818417A (en) * | 2019-11-18 | 2020-02-21 | 武汉科技大学 | Carbon-silicon carbide porous filter for purifying air and preparation method thereof |
| CN110818417B (en) * | 2019-11-18 | 2021-08-03 | 武汉科技大学 | Carbon-silicon carbide porous filter for purifying air and preparation method thereof |
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Application publication date: 20160720 |
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