CN103922770A - Self-flowing castable with waste blast furnace main runner material as main raw material and making method of self-flowing castable - Google Patents
Self-flowing castable with waste blast furnace main runner material as main raw material and making method of self-flowing castable Download PDFInfo
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Abstract
The invention discloses a self-flowing castable with a waste blast furnace main runner material as a main raw material and a making method of the self-flowing castable. The making method sequentially comprises the steps: 1, selecting the materials; 2, crushing; 3, sieving; 4, mixing, and 5, packaging and storing. The self-flowing castable comprises: 20-30 parts of main runner waste material, 10-15 parts of electric smelting compact corundum, 20-30 parts of brown aluminum oxide, 5-15 parts of tabular corundum, 10-20 parts of silicon carbide, 3-8 parts of silicon powder, 2-4 parts of spherical asphalt, 1-2 parts of active aluminum oxide micro powder, 3-8 parts of aluminate cement, 2-5 parts of water reducing agent, 1-2 parts of detonation inhibitor and 1-2 parts of expanding agent. According to the self-flowing castable, the waste blast furnace main runner material is recycled, thus the resource waste is prevented, the environment pollution is reduced, and a very positive meaning is achieved for reducing the cost of the iron runner material and realizing the circular economy.
Description
[technical field]
The present invention relates to technical field of refractory materials, be specifically related to a kind of take discard gravity flow pouring material that blast furnace main channel material is main raw material and preparation method thereof.
[background technology]
Gravity flow pouring material, refers to that it is feature that low cement, ultra-low cement or non-cement refractory castable be take its mixed mobility, has the low cement of this mobility or ultra-low cement refractory castable without applying that external force can flow and degassed, and without obviously segregation.Because gravity flow pouring material has good flow characteristics, oneself causes people's concern in recent years, it is without vibrating, only by self gravitation, just can fill, thereby than low cement deposit material, have more advantage in many occasions, big-and-middle-sized iron and steel enterprise has a large amount of iron notch mould material to go out of use because tearing stove open every year, for reducing the raw materials cost of iron runner castable, the call that response national energy-saving reduces discharging, waste material is re-used in iron runner castable, can significantly reduce the Zhigou of casting house and the raw material Cheng Mu of slag runner mould material, it is low that the casting material formula of while prior art exists casting material strength, compactness is poor, the shortcomings such as anti-scour property is weak, so that disposable iron influx is difficult to meet normal Production requirement.
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, propose a kind of take discard the gravity flow pouring material that blast furnace main channel material is main raw material, can recycle discarded main channel material, reduce production costs, improve compactness and casting material strength, strengthen resistance to slag corrosion, improve disposable iron influx.
For achieving the above object, the present invention proposes a kind of take discard the gravity flow pouring material that blast furnace main channel material is main raw material, comprise that following component and each constituent mass ratio are: 20～30 parts, tap drain waste material, bauxite chamotte: 20～30 parts, palm fibre corundum in granules: 20～30 parts, plate diamond spar: 5～15 parts, silicon carbide: 10～20 parts, silicon powder: 3～8 parts, pelletted pitch: 2～4 parts, Reactive alumina: 1～2 part, aluminate cement: 3～8 parts, water reducer: 2～5 parts, detonation suppressor: 1～2 part, swelling agent: 1～2 part.
As preferably, described tap drain waste material is that 5～8mm part, particle diameter are that 3～5mm part, particle diameter are that 1～3mm part and particle diameter < 0.076mm partly form by particle diameter, and in tap drain waste material, particle diameter is that 5～8mm part, particle diameter are that 3～5mm part, particle diameter are that the mass ratio of 1～3mm part and particle diameter < 0.076mm part is 4:3:3:1.
As preferably, described brown corundum in granules is that 5～8mm part, particle diameter are that 3～5mm part and particle diameter are that 1～3mm partly forms by particle diameter.
As preferably, described detonation suppressor is one or more the mixture in metallic aluminium powder, organic fibre and norbide.
As preferably, described water reducer is one or more mixture of wooden calcium, tripoly phosphate sodium STPP and high-efficiency water-reducing agent of poly-carboxylic acid.
As preferably, described swelling agent is bulking agent of calcium aluminate.
As preferably, described silicon carbide is that 1～3mm part, particle diameter are that 0～1mm part and particle diameter are less than 0.045mm and partly form by particle diameter.
For achieving the above object, the invention allows for a kind of making method of discarding the gravity flow pouring material that blast furnace main channel material is main raw material of take, comprise the following steps successively:
(1) select materials: the discarded main channel material after using is carried out to sorting, remove impurity;
(2) fragmentation: adopt jaw crusher to carry out fragmentation;
(3) screening: the discarded main channel material of fragmentation is sieved, obtain tetra-kinds of specifications of 1～3mm, 3～5mm and 5～8mm and < 0.076mm;
(4) batch mixing: first fine powder and additive are carried out to premix, then stir together with the particulate material such as pre-mixed material and tap drain waste material, bauxite chamotte, brown corundum in granules, plate diamond spar, silicon carbide.
(5) by the qualified rear packing warehouse-in of the material sampling observation after stirring.
As preferably, in described step (4) batch mixing, the time of premix is 10～15 minutes.
Beneficial effect of the present invention: by adding the discarded blast furnace main channel material of 20～30 parts, realized the recycling of waste refractory materials, thereby significantly reduce comprehensive cost of the present invention, thereby drive the cost of steel industry Industrial products to decline, by the different material of particle diameter, carry out the proportioning of specified proportion, add after extra additive, obtained effective control time of coagulation, improved operating efficiency, by adding bauxite chamotte, reduce material cost, improve resistance to slag corrosion.
[embodiment]
The present invention be take and discarded the gravity flow pouring material that blast furnace main channel material is main raw material, comprise that following component and each constituent mass ratio are 20～30 parts, tap drain waste material, bauxite chamotte: 20～30 parts, palm fibre corundum in granules: 20～30 parts, plate diamond spar: 5～15 parts, silicon carbide: 10～20 parts, silicon powder: 3～8 parts, pelletted pitch: 2～4 parts, Reactive alumina: 1～2 part, aluminate cement: 3～8 parts, water reducer: 2～5 parts, detonation suppressor: 1～2 part, swelling agent: 1～2 part, described tap drain waste material is 5～8mm part by particle diameter, particle diameter is 3～5mm part, particle diameter is that 1～3mm part and particle diameter < 0.076mm partly form, in tap drain waste material, particle diameter is 5～8mm part, particle diameter is 3～5mm part, particle diameter is that the mass ratio of 1～3mm part and particle diameter < 0.076mm part is 4:3:3:1, described brown corundum in granules is 5～8mm part by particle diameter, particle diameter is that 3～5mm part and particle diameter are that 1～3mm partly forms, described detonation suppressor is metallic aluminium powder, the mixture of one or more in organic fibre and norbide, described water reducer is wooden calcium, the mixture of one or more of tripoly phosphate sodium STPP and high-efficiency water-reducing agent of poly-carboxylic acid, described swelling agent is bulking agent of calcium aluminate, described silicon carbide is 1～3mm part by particle diameter, particle diameter is that 0～1mm part and particle diameter are less than 0.045mm and partly form.
The making method of discarding the gravity flow pouring material that blast furnace main channel material is main raw material is take in the present invention, comprises the following steps successively:
(1) select materials: the discarded main channel material after using is carried out to sorting, remove impurity;
(2) fragmentation: adopt jaw crusher to carry out fragmentation;
(3) screening: the discarded main channel material of fragmentation is sieved, obtain tetra-kinds of specifications of 1～3mm, 3～5mm and 5～8mm and < 0.076mm;
(4) batch mixing: first fine powder and additive are carried out to premix, together with the particulate material such as pre-mixed material and tap drain waste material, bauxite chamotte, brown corundum in granules, plate diamond spar, silicon carbide, stir again, the time of described premix is 10～15 minutes, the too short meeting of doing time in advance causes batch mixing inhomogeneous, long meeting increases production cost, and powder also can conglomeration.The churning time of Preblend and particulate material is 15 minutes, only has and has stirred abundant just can guarantee the quality of product.
(5) by the qualified rear packing warehouse-in of the material sampling observation after stirring.
The size-grade distribution of mould material not only affects the final performance of product, as void content, intensity, wear resistance, scour resistance etc., workability is also had a great impact simultaneously, the present invention is by adopting multiple stage material compounding, adjust particle diameter ratio, optimize mould material proportioning, guarantee that particle flows in continuous matrix.In addition in particle, carse, medium and small three also should have certain ratio, does not form each other like this skeleton between aggregate, can reduce intergranular frictional force, increases the mobility of material, has improved volume density, has strengthened the wear-resisting and scour resistance of mould material.
Specific embodiments of the invention are:
Embodiment 1:
Above-mentioned each constituent mass ratio is: tap drain waste material: 20 parts, bauxite chamotte: 20 parts, brown corundum in granules: 20 parts, plate diamond spar: 15 parts, silicon carbide: 10 parts, silicon powder: 3 parts, pelletted pitch: 2 parts, Reactive alumina: 1 part, aluminate cement: 3 parts, water reducer: 2 parts, detonation suppressor: 1 part, swelling agent: 1 part.。
Embodiment 2:
Above-mentioned each constituent mass ratio is: tap drain waste material: 25 parts, bauxite chamotte: 25 parts, brown corundum in granules: 25 parts, plate diamond spar: 10 parts, silicon carbide: 16 parts, silicon powder: 5 parts, pelletted pitch: 3 parts, Reactive alumina: 1.5 parts, aluminate cement: 6 parts, water reducer: 3 parts, detonation suppressor: 1.5 parts, swelling agent: 1.5 parts.
Embodiment 3:
Above-mentioned each constituent mass ratio is: tap drain waste material: 30 parts, bauxite chamotte: 30 parts, brown corundum in granules: 30 parts, plate diamond spar: 5 parts, silicon carbide: 20 parts, silicon powder: 8 parts, pelletted pitch: 3 parts, Reactive alumina: 2 parts, aluminate cement: 8 parts, water reducer: 5 parts, detonation suppressor: 2 parts, swelling agent: 2 parts.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, any scheme after simple transformation of the present invention is all belonged to protection scope of the present invention.
Claims (9)
1. take and discard the gravity flow pouring material that blast furnace main channel material is main raw material for one kind, it is characterized in that: comprise that following component and each constituent mass ratio are: 20～30 parts, tap drain waste material, bauxite chamotte: 20～30 parts, palm fibre corundum in granules: 20～30 parts, plate diamond spar: 5～15 parts, silicon carbide: 10～20 parts, silicon powder: 3～8 parts, pelletted pitch: 2～4 parts, Reactive alumina: 1～2 part, aluminate cement: 3～8 parts, water reducer: 2～5 parts, detonation suppressor: 1～2 part, swelling agent: 1～2 part.
As claimed in claim 1 a kind of take discard the gravity flow pouring material that blast furnace main channel material is main raw material, it is characterized in that: described tap drain waste material is that 5～8mm part, particle diameter are that 3～5mm part, particle diameter are that 1～3mm part and particle diameter < 0.076mm partly form by particle diameter, in tap drain waste material, particle diameter is that 5～8mm part, particle diameter are that 3～5mm part, particle diameter are that the mass ratio of 1～3mm part and particle diameter < 0.076mm part is 4:3:3:1.
As claimed in claim 1 a kind of take discard the gravity flow pouring material that blast furnace main channel material is main raw material, it is characterized in that: described brown corundum in granules is that 5～8mm part, particle diameter are that 3～5mm part and particle diameter are that 1～3mm partly forms by particle diameter.
As claimed in claim 1 a kind of take discard the gravity flow pouring material that blast furnace main channel material is main raw material, it is characterized in that: described detonation suppressor is one or more the mixture in metallic aluminium powder, organic fibre and norbide.
As claimed in claim 1 a kind of take discard the gravity flow pouring material that blast furnace main channel material is main raw material, it is characterized in that: described water reducer is one or more mixture of wooden calcium, tripoly phosphate sodium STPP and high-efficiency water-reducing agent of poly-carboxylic acid.
As claimed in claim 1 a kind of take discard the gravity flow pouring material that blast furnace main channel material is main raw material, it is characterized in that: described swelling agent is bulking agent of calcium aluminate.
As claimed in claim 1 a kind of take discard the gravity flow pouring material that blast furnace main channel material is main raw material, it is characterized in that: described silicon carbide is that 1～3mm part, particle diameter are that 0～1mm part and particle diameter are less than 0.045mm and partly form by particle diameter.
8. take a making method of discarding the gravity flow pouring material that blast furnace main channel material is main raw material, it is characterized in that comprising the following steps successively:
(1) select materials: the discarded main channel material after using is carried out to sorting, remove impurity;
(2) fragmentation: adopt jaw crusher to carry out fragmentation;
(3) screening: the discarded main channel material of fragmentation is sieved, obtain 1～3mm, 3～5mm, 5～8mm and tetra-kinds of specifications of < 0.076mm;
(4) batch mixing: first fine powder and additive are carried out to premix, then stir together with the particulate material such as pre-mixed material and tap drain waste material, bauxite chamotte, brown corundum in granules, plate diamond spar, silicon carbide.
(5) by the qualified rear packing warehouse-in of the material sampling observation after stirring.
9. a kind of making method of discarding the gravity flow pouring material that blast furnace main channel material is main raw material of take as claimed in claim 8, is characterized in that: in described step (4) batch mixing, the time of premix is 10～15 minutes.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105218118A (en) * | 2015-10-29 | 2016-01-06 | 长兴云峰炉料有限公司 | A kind of novel from silicon carbide Gunning refractory |
| CN105272311A (en) * | 2015-11-11 | 2016-01-27 | 浙江长兴宝晟炉料有限公司 | Low-cost durable main ditch material |
| CN106587958A (en) * | 2016-12-14 | 2017-04-26 | 巩义市科正冶金材料有限公司 | Cement-free iron trough castable for blast-furnace tapping and preparation method of cement-free iron trough castable |
| CN108046810A (en) * | 2017-12-11 | 2018-05-18 | 宁波爱克创威新材料科技有限公司 | Environment-friendly type gunning refractory and preparation method thereof |
| CN108373336A (en) * | 2018-02-27 | 2018-08-07 | 浙江正豪耐火材料股份有限公司 | A kind of wear-resistant castable and preparation method thereof that efficiently flows automatically |
| CN108503377A (en) * | 2018-04-08 | 2018-09-07 | 北京联合荣大工程材料股份有限公司 | A kind of erosion resistant blast furnace iron runner gravity flow pouring material and preparation method thereof |
| CN109627025A (en) * | 2019-01-31 | 2019-04-16 | 宁夏共享化工有限公司 | A kind of processing method and refractory material casting blocky solid waste |
| CN111960808A (en) * | 2020-08-31 | 2020-11-20 | 唐山金山腾宇科技有限公司 | Self-flowing castable prepared from blast furnace iron runner cover waste and preparation method thereof |
| CN112624689A (en) * | 2020-12-17 | 2021-04-09 | 长兴南冶冶金材料有限公司 | Blast furnace ore tank wear-resistant material and manufacturing method thereof |
| CN113135722A (en) * | 2021-05-14 | 2021-07-20 | 焦作金鑫恒拓新材料股份有限公司 | Self-flowing heat-resistant concrete using reclaimed materials |
| CN114213104A (en) * | 2022-01-10 | 2022-03-22 | 河南建华耐火材料有限公司 | Method for preparing refractory castable by using waste refractory materials |
| CN115093238A (en) * | 2022-08-22 | 2022-09-23 | 湖南立达高新材料有限公司 | Refractory castable for tapping channel of submerged arc furnace and preparation method thereof |
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| CN101475388A (en) * | 2009-01-16 | 2009-07-08 | 张命荣 | High wear resistant castable refractory and using method thereof |
| CN101613211A (en) * | 2009-07-28 | 2009-12-30 | 武汉钢铁(集团)公司 | A kind of regenerated castable material that utilizes discarded blast furnace main channel material to make |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101475388A (en) * | 2009-01-16 | 2009-07-08 | 张命荣 | High wear resistant castable refractory and using method thereof |
| CN101613211A (en) * | 2009-07-28 | 2009-12-30 | 武汉钢铁(集团)公司 | A kind of regenerated castable material that utilizes discarded blast furnace main channel material to make |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105218118A (en) * | 2015-10-29 | 2016-01-06 | 长兴云峰炉料有限公司 | A kind of novel from silicon carbide Gunning refractory |
| CN105272311A (en) * | 2015-11-11 | 2016-01-27 | 浙江长兴宝晟炉料有限公司 | Low-cost durable main ditch material |
| CN106587958A (en) * | 2016-12-14 | 2017-04-26 | 巩义市科正冶金材料有限公司 | Cement-free iron trough castable for blast-furnace tapping and preparation method of cement-free iron trough castable |
| CN108046810A (en) * | 2017-12-11 | 2018-05-18 | 宁波爱克创威新材料科技有限公司 | Environment-friendly type gunning refractory and preparation method thereof |
| CN108373336A (en) * | 2018-02-27 | 2018-08-07 | 浙江正豪耐火材料股份有限公司 | A kind of wear-resistant castable and preparation method thereof that efficiently flows automatically |
| CN108503377B (en) * | 2018-04-08 | 2020-10-09 | 北京联合荣大工程材料股份有限公司 | Corrosion-resistant blast furnace iron runner self-flow castable and preparation method thereof |
| CN108503377A (en) * | 2018-04-08 | 2018-09-07 | 北京联合荣大工程材料股份有限公司 | A kind of erosion resistant blast furnace iron runner gravity flow pouring material and preparation method thereof |
| CN109627025A (en) * | 2019-01-31 | 2019-04-16 | 宁夏共享化工有限公司 | A kind of processing method and refractory material casting blocky solid waste |
| CN111960808A (en) * | 2020-08-31 | 2020-11-20 | 唐山金山腾宇科技有限公司 | Self-flowing castable prepared from blast furnace iron runner cover waste and preparation method thereof |
| CN112624689A (en) * | 2020-12-17 | 2021-04-09 | 长兴南冶冶金材料有限公司 | Blast furnace ore tank wear-resistant material and manufacturing method thereof |
| CN113135722A (en) * | 2021-05-14 | 2021-07-20 | 焦作金鑫恒拓新材料股份有限公司 | Self-flowing heat-resistant concrete using reclaimed materials |
| CN113135722B (en) * | 2021-05-14 | 2023-03-03 | 焦作金鑫恒拓新材料股份有限公司 | Self-flowing heat-resistant concrete using reclaimed materials |
| CN114213104A (en) * | 2022-01-10 | 2022-03-22 | 河南建华耐火材料有限公司 | Method for preparing refractory castable by using waste refractory materials |
| CN115093238A (en) * | 2022-08-22 | 2022-09-23 | 湖南立达高新材料有限公司 | Refractory castable for tapping channel of submerged arc furnace and preparation method thereof |
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