CN103922770B - 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 PDF

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Publication number
CN103922770B
CN103922770B CN201410128234.4A CN201410128234A CN103922770B CN 103922770 B CN103922770 B CN 103922770B CN 201410128234 A CN201410128234 A CN 201410128234A CN 103922770 B CN103922770 B CN 103922770B
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parts
particle diameter
self
blast furnace
flowing castable
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CN103922770A (en
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佘春霞
崔健健
张文
许华
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Zhejiang Baosheng New Material Co.,Ltd.
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ZHEJIANG CHANGXING BAOSHENG FURNACE CHARGE Co Ltd
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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

A kind of with discarded blast furnace main channel material gravity flow pouring material that is main raw material and preparation method thereof
[technical field]
The present invention relates to technical field of refractory materials, be specifically related to a kind of with discarded blast furnace main channel material gravity flow pouring material that is main raw material and preparation method thereof.
[background technology]
Gravity flow pouring material, refer to low cement, ultra-low cement or non-cement refractory castable with its mixed mobility for feature, low cement or the ultra-low cement refractory castable with this mobility can flow with degassed without the need to applying external force, and without obvious segregation.Because gravity flow pouring material has good flow characteristics, oneself causes the concern of people in recent years, it is without the need to vibrating, only just can fill by self gravitation, thus advantage is had more in many occasions than Low Cement Castable, 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, significantly can reduce the Zhigou of casting house and the raw material Cheng Mu of slag runner mould material, simultaneously to there is casting material strength low for the casting material formula of prior art, compactness is poor, the shortcomings such as anti-scour property is weak, so that disposable iron influx is difficult to satisfied normal Production requirement.
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, a kind of gravity flow pouring material being main raw material with discarded blast furnace main channel material is proposed, can recycle discarded main channel material, reduce production cost, 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 gravity flow pouring material being main raw material with discarded blast furnace main channel material, it is characterized in that: comprise following component and each constituent mass ratio is: 20 ~ 30 parts, tap drain waste material, bauxite chamotte: 20 ~ 30 parts, Brown Alundum particle: 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 by particle diameter be 5 ~ 8mm part, particle diameter be 3 ~ 5mm part, particle diameter be 1 ~ 3mm part and particle diameter < 0.076mm part form, in tap drain waste material particle diameter be 5 ~ 8mm part, particle diameter be 3 ~ 5mm part, particle diameter be 1 ~ 3mm part and particle diameter < 0.076mm part mass ratio be 4:3:3:1;
Described detonation suppressor is the mixture of one or more in metallic aluminium powder, organic fibre and norbide, and described swelling agent is bulking agent of calcium aluminate, and described water reducer is the mixture of one or more of wooden calcium, tripoly phosphate sodium STPP and high-efficiency water-reducing agent of poly-carboxylic acid.
As preferably, described Brown Alundum particle by particle diameter be 5 ~ 8mm part, particle diameter be 3 ~ 5mm part and particle diameter is that 1 ~ 3mm part forms.
As preferably, described silicon carbide by particle diameter be 1 ~ 3mm part, particle diameter is that 0 ~ 1mm part and particle diameter are less than 0.045mm part and form.
For achieving the above object, the invention allows for a kind of with the making method of the discarded blast furnace main channel material gravity flow pouring material that is main raw material, comprise the following steps successively:
(1) select materials: sorting is carried out to the discarded main channel material after using, removes impurity;
(2) broken: to adopt jaw crusher to carry out fragmentation;
(3) sieve: the discarded main channel material of fragmentation is sieved, obtains 1 ~ 3mm, 3 ~ 5mm and 5 ~ 8mm and < 0.076mm tetra-kinds of specifications;
(4) batch mixing: first fine powder and additive are carried out premix, then material mixed is in advance stirred together with the particulate material such as tap drain waste material, bauxite chamotte, Brown Alundum particle, plate diamond spar, silicon carbide, the time of premix is 10 ~ 15 minutes;
(5) by qualified for the material sampling observation after stirring rear packaging warehouse-in.
Beneficial effect of the present invention: by adding the discarded blast furnace main channel material of 20 ~ 30 parts, achieve the recycling of waste refractory materials, thus significantly reduce comprehensive cost of the present invention, thus drive the cost of steel industry Industrial products to decline, the proportioning of specified proportion is carried out by the material that particle diameter is different, after adding extra additive, obtain effective control time of coagulation, improve operating efficiency, by adding bauxite chamotte, reduce material cost, improve resistance to slag corrosion.
[embodiment]
The gravity flow pouring material that the present invention is main raw material with discarded blast furnace main channel material, comprise following component and each constituent mass ratio is 20 ~ 30 parts, tap drain waste material, bauxite chamotte: 20 ~ 30 parts, Brown Alundum particle: 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 1 ~ 3mm part and particle diameter < 0.076mm part composition, in tap drain waste material, particle diameter is 5 ~ 8mm part, particle diameter is 3 ~ 5mm part, particle diameter is the mass ratio of 1 ~ 3mm part and particle diameter < 0.076mm part is 4:3:3:1, described Brown Alundum particle is 5 ~ 8mm part by particle diameter, particle diameter is 3 ~ 5mm part and particle diameter is 1 ~ 3mm part composition, 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 part composition.
The making method of the gravity flow pouring material that the present invention is main raw material with discarded blast furnace main channel material, comprises the following steps successively:
(1) select materials: sorting is carried out to the discarded main channel material after using, removes impurity;
(2) broken: to adopt jaw crusher to carry out fragmentation;
(3) sieve: the discarded main channel material of fragmentation is sieved, obtains 1 ~ 3mm, 3 ~ 5mm and 5 ~ 8mm and < 0.076mm tetra-kinds of specifications;
(4) batch mixing: first fine powder and additive are carried out premix, again material mixed is in advance stirred together with the particulate material such as tap drain waste material, bauxite chamotte, Brown Alundum particle, plate diamond spar, silicon carbide, the time of described premix is 10 ~ 15 minutes, too short meeting of doing time in advance causes batch mixing uneven, longly can increase production cost, powder also can conglomeration.The churning time of Preblend and particulate material is 15 minutes, has only had and has stirred the abundant quality just guaranteeing product.
(5) by qualified for the material sampling observation after stirring rear packaging warehouse-in.
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, adjustment particle size content, optimize mould material proportioning, ensure that particle flows in continuous print matrix.In addition in particle, carse, medium and small three also should have certain ratio, does not form skeleton each other between such aggregate, can reduce intergranular frictional force, increases the mobility of material, improves volume density, enhance the wear-resisting of mould material and scour resistance.
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 Alundum particle: 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 Alundum particle: 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 Alundum particle: 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, anyly all belongs to protection scope of the present invention to the scheme after simple transformation of the present invention.

Claims (2)

1. the gravity flow pouring material that is main raw material with discarded blast furnace main channel material, it is characterized in that: comprise following component and each constituent mass ratio is: 20 ~ 30 parts, tap drain waste material, bauxite chamotte: 20 ~ 30 parts, Brown Alundum particle: 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 by particle diameter be 5 ~ 8mm part, particle diameter be 3 ~ 5mm part, particle diameter be 1 ~ 3mm part and particle diameter < 0.076mm part form, in tap drain waste material particle diameter be 5 ~ 8mm part, particle diameter be 3 ~ 5mm part, particle diameter be 1 ~ 3mm part and particle diameter < 0.076mm part mass ratio be 4:3:3:1;
Described detonation suppressor is the mixture of one or more in metallic aluminium powder, organic fibre and norbide, and described swelling agent is bulking agent of calcium aluminate, and described water reducer is the mixture of one or more of wooden calcium, tripoly phosphate sodium STPP and high-efficiency water-reducing agent of poly-carboxylic acid.
2. a kind of gravity flow pouring material that is main raw material with discarded blast furnace main channel material as claimed in claim 1, is characterized in that: described Brown Alundum particle by particle diameter be 5 ~ 8mm part, particle diameter be 3 ~ 5mm part and particle diameter is that 1 ~ 3mm part forms.
CN201410128234.4A 2014-04-01 2014-04-01 Self-flowing castable with waste blast furnace main runner material as main raw material and making method of self-flowing castable Active CN103922770B (en)

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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
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
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

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CN101475388B (en) * 2009-01-16 2011-05-25 成都蜀冶新材料有限责任公司 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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