CN105906358A - Anhydrous stemming based on waste utilization and preparation method of anhydrous stemming based on waste utilization - Google Patents
Anhydrous stemming based on waste utilization and preparation method of anhydrous stemming based on waste utilization Download PDFInfo
- Publication number
- CN105906358A CN105906358A CN201610276577.4A CN201610276577A CN105906358A CN 105906358 A CN105906358 A CN 105906358A CN 201610276577 A CN201610276577 A CN 201610276577A CN 105906358 A CN105906358 A CN 105906358A
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- anhydrous stemming
- waste material
- utilized based
- waste
- aluminum
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/0427—Dry materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/28—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/30—Condensation polymers of aldehydes or ketones
- C04B24/302—Phenol-formaldehyde condensation polymers
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention provides anhydrous stemming based on waste utilization and a preparation method of the anhydrous stemming based on waste utilization. The anhydrous stemming comprises, by mass, 10-30% of aluminiferous aggregate, 5-25% of alumina-carbon granular wastes, 3-8% of alumina-carbon powdery wastes, 10-25% of silicon carbide, 2-10% of coke, 5-18% of ferro-silicon nitride, 5-15% of fine aluminiferous powder, 3-15% of clay, 2-8% of kyanite, 2-5% of high-temperature pitch and 10-25% of binding agent. The anhydrous stemming based on waste utilization, prepared from the alumina-carbon granular wastes and the alumina-carbon powdery wastes substituting for part of the raw materials, has the advantages of low cost, high quality, good plasticity, easiness in trepanning and resistance to washing and erosion.
Description
Technical field
The present invention relates to technical field of refractory materials, be specifically related to a kind of anhydrous stemming based on waste material utilization and preparation method thereof.
Background technology
Blast furnace ironmaking is the most topmost current ironmaking mode, and stemming is used to block the refractory material of tapping hole.Stemming forms can be divided into two parts: refractory aggregate and bonding agent.Refractory aggregate refers to the materials such as corundum, mullite, coke and Muscovitum.The quality control of anhydrous stemming is mainly manifested in raw materials quality and production process control, if selecting the raw material of high-quality, the performance of anhydrous stemming improves, but cost is the highest.Therefore, on the premise of not changing stemming serviceability, the raw material finding low cost new has become the problem that stemming manufacturing enterprise is in the urgent need to address.
Summary of the invention
It is an object of the invention to provide anhydrous stemming based on waste material utilization of a kind of steady quality and better performances and preparation method thereof.
For achieving the above object, the technical solution used in the present invention is:
A kind of anhydrous stemming utilized based on waste material, each constituent mass percentage ratio proportioning is as follows, containing aluminum aggregate 10～30%, aluminum carbonaceous waste materials particulate material 5～25%, aluminum carbonaceous waste materials powder 3～8%, carborundum 10～25%, coke 2～10%, ferro-silicon nitride 5～18%, containing aluminum fine powder material 5～15%, clay 3～15%, kyanite 2 ~ 8%, hard pitch 2～5%, separately adds bonding agent and accounts for the 10～25% of above-mentioned dispensing gross mass.
Described is Brown Alundum or bauxite containing aluminum aggregate, alumina content >=80% of described bauxite, and described is ＞ 0.088mm and≤3mm containing aluminum aggregate size.
Described aluminum carbonaceous waste materials particulate material contains 40～80% aluminium oxide, and 5～20% silicon dioxide and 3～20% carbon, the particle diameter of described aluminum carbonaceous waste materials particulate material is 1～3mm.
Described aluminum carbonaceous waste materials powder contains 40～80% aluminium oxide, and 5～20% silicon dioxide and 3～20% carbon, the particle diameter of described aluminum carbonaceous waste materials powder is≤0.075mm.
Described carborundum granularity is >=0.088mm and ＜ 1mm.
Described is Brown Alundum or bauxite containing aluminum fine powder material, alumina content >=80% of described bauxite, and the described granularity containing aluminum fine powder material is≤0.075mm.
The softening point of described hard pitch is 105～140 DEG C.
Described bonding agent is miscella, and described miscella is mixed according to the mass ratio of 6:4～9:1 by thermoplastic phenolic resin and tar.
The preparation method of a kind of anhydrous stemming utilized based on waste material: weigh various raw material according to the mass percentage content proportioning of above-mentioned anhydrous stemming based on waste material utilization, the raw material weighed is dry mixed 2～5 minutes from feed bin in blender, add bonding agent, it is stirred for 2～5 minutes, by by the wet stone roller of constant feeder 8～after 25 minutes, obtain anhydrous stemming.
The invention have the benefit that
1. waste material utilizes, and utilizes aluminum carbonaceous waste materials particulate material, aluminum carbonaceous waste materials powder to replace part material to prepare low cost, steady quality, has plasticity good, easy perforate, resistance to erosion, erosion-resistant anhydrous stemming product；
2. with miscella as bonding agent, make bonding agent with tar or carbolineum compared with, hence it is evident that decrease the generation of toxic gas, improve workman's working environment, environmentally friendly；Compared with making bonding agent with phenolic resin, bonding agent advantage of lower cost made by miscella.
3. the horse summer value of stemming finished product 50 DEG C controls at 0.40 ~ 0.55MPa.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the invention will be further described:
Embodiment 1
With certain steel mill 1080m3As a example by blast furnace, proportioning raw materials is as follows:
Brown Alundum 30%, aluminum carbonaceous waste brick particulate material 12%, aluminum carbonaceous waste brick powder 5%, carborundum 15%, coke 6%, ferro-silicon nitride 10%, the bauxite 8% of alumina content >=80%, clay 6%, kyanite 3%, hard pitch 5%, separately add bonding agent and account for the 15% of above-mentioned dispensing gross mass.
Described Brown Alundum granularity is ＞ 0.088mm and≤3mm.
Described aluminum carbonaceous waste materials particulate material contains 40～80% aluminium oxide, 5～20% silicon dioxide and 3～20% carbon.The particle diameter of described aluminum carbonaceous waste materials particulate material is 1～3mm.
Described aluminum carbonaceous waste materials powder contains 40～80% aluminium oxide, 5～20% silicon dioxide and 3～20% carbon.The particle diameter of described aluminum carbonaceous waste materials powder is≤0.075mm.
Described carborundum granularity is >=0.088mm and ＜ 1mm.
The granularity of described bauxite is≤0.075mm.
The softening point of described hard pitch is 105～140 DEG C.
Described bonding agent is miscella, and described miscella is mixed according to the mass ratio of 7:3 by thermoplastic phenolic resin and tar.
The preparation method of a kind of anhydrous stemming utilized based on waste material: weigh various raw material according to the mass percentage content proportioning of above-mentioned anhydrous stemming based on waste material utilization, the raw material weighed is dry mixed 2 minutes from feed bin in blender, add bonding agent, it is stirred for 3 minutes, after by the wet stone roller of constant feeder 9 minutes, obtain anhydrous stemming.
Embodiment 2
With certain steel mill 750m3As a example by blast furnace, proportioning raw materials is as follows:
The bauxite 15% of alumina content >=80%, aluminum carbonaceous waste brick particulate material 20%, aluminum carbonaceous waste brick powder 8%, carborundum 15%, coke 10%, ferro-silicon nitride 8%, Brown Alundum 8%, clay 7%, kyanite 4%, hard pitch 5%, separately add bonding agent and account for the 20% of above-mentioned dispensing gross mass.
Described bauxite granularity is ＞ 0.088mm and≤3mm.
Described aluminum carbonaceous waste materials particulate material contains 40～80% aluminium oxide, 5～20% silicon dioxide and 3～20% carbon.The particle diameter of described aluminum carbonaceous waste materials particulate material is 1～3mm.
Described aluminum carbonaceous waste materials powder contains 40～80% aluminium oxide, 5～20% silicon dioxide and 3～20% carbon.The particle diameter of described aluminum carbonaceous waste materials powder is≤0.075mm.
The granularity of described Brown Alundum is≤0.075mm.
The softening point of described hard pitch is softening point 105～140 DEG C.
Described bonding agent is miscella, and miscella is mixed according to the mass ratio of 9:1 by thermoplastic phenolic resin and tar.
The preparation method of a kind of anhydrous stemming utilized based on waste material: weigh various raw material according to the mass percentage content proportioning of above-mentioned anhydrous stemming based on waste material utilization, the raw material weighed is dry mixed 5 minutes from feed bin in blender, add bonding agent, it is stirred for 5 minutes, after by weighing the wet stone roller of batcher 13 minutes, obtain anhydrous stemming.
The embodiment of the above, simply presently preferred embodiments of the present invention, and unrestricted the scope of the present invention, therefore all equivalence changes done according to technical scheme described in the scope of the claims of the present invention or modification, all should be included in scope of the present invention patent.
Claims (10)
1. the anhydrous stemming utilized based on waste material, it is characterised in that described anhydrous stemming each constituent mass percentage ratio proportioning based on waste material utilization is as follows, containing aluminum aggregate 10～30%, aluminum carbonaceous waste materials particulate material 5～25%, aluminum carbonaceous waste materials powder 3～8%, carborundum 10～25%, coke 2～10%, ferro-silicon nitride 5～18%, containing aluminum fine powder material 5～15%, clay 3～15%, kyanite 2 ~ 8%, hard pitch 2～5%, separately add bonding agent and account for the 10～25% of above-mentioned dispensing gross mass.
A kind of anhydrous stemming utilized based on waste material the most according to claim 1, it is characterised in that described is Brown Alundum or bauxite containing aluminum aggregate, alumina content >=80% of described bauxite.
A kind of anhydrous stemming utilized based on waste material the most according to claim 1 and 2, it is characterised in that described is ＞ 0.088mm and≤3mm containing aluminum aggregate size.
A kind of anhydrous stemming utilized based on waste material the most according to claim 1, it is characterised in that described aluminum carbonaceous waste materials particulate material contains 40～80% aluminium oxide, 5～20% silicon dioxide and 3～20% carbon, the particle diameter of described aluminum carbonaceous waste materials particulate material is 1～3mm.
A kind of anhydrous stemming utilized based on waste material the most according to claim 1, it is characterised in that described aluminum carbonaceous waste materials powder contains 40～80% aluminium oxide, 5～20% silicon dioxide and 3～20% carbon, the particle diameter of described aluminum carbonaceous waste materials powder is≤0.075mm.
A kind of anhydrous stemming utilized based on waste material the most according to claim 1, it is characterised in that described carborundum granularity is >=0.088mm and ＜ 1mm.
A kind of anhydrous stemming utilized based on waste material the most according to claim 1, it is characterised in that described is Brown Alundum or bauxite containing aluminum fine powder material, alumina content >=80% of described bauxite, and the described granularity containing aluminum fine powder material is≤0.075mm.
A kind of anhydrous stemming utilized based on waste material the most according to claim 1, it is characterised in that the softening point of described hard pitch is 105～140 DEG C.
A kind of anhydrous stemming utilized based on waste material the most according to claim 1, it is characterised in that described bonding agent is miscella, and described miscella is mixed according to the mass ratio of 6:4～9:1 by thermoplastic phenolic resin and tar.
The preparation method of a kind of anhydrous stemming utilized based on waste material the most according to claim 1, it is characterized in that, various raw material is weighed according to the mass percentage content proportioning of the anhydrous stemming utilized based on waste material described in claim 1, the raw material weighed is dry mixed 2～5 minutes from feed bin in blender, add bonding agent, it is stirred for 2～5 minutes, by by the wet stone roller of constant feeder 8～after 25 minutes, obtains anhydrous stemming.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610276577.4A CN105906358A (en) | 2016-04-29 | 2016-04-29 | Anhydrous stemming based on waste utilization and preparation method of anhydrous stemming based on waste utilization |
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| CN201610276577.4A CN105906358A (en) | 2016-04-29 | 2016-04-29 | Anhydrous stemming based on waste utilization and preparation method of anhydrous stemming based on waste utilization |
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| CN201610276577.4A Pending CN105906358A (en) | 2016-04-29 | 2016-04-29 | Anhydrous stemming based on waste utilization and preparation method of anhydrous stemming based on waste utilization |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107056260A (en) * | 2017-05-03 | 2017-08-18 | 巩义市宏宇耐火材料有限公司 | It is a kind of to be used for blocking environment-friendly type anhydrous stemming of blast furnace tapping hole and preparation method thereof |
| CN111825469A (en) * | 2020-07-29 | 2020-10-27 | 郑州科信炉料有限公司 | Environment-friendly anhydrous stemming for single-taphole blast furnace and preparation method thereof |
| CN112225536A (en) * | 2020-10-14 | 2021-01-15 | 内蒙古鄂尔多斯电力冶金集团股份有限公司 | Anhydrous stemming for ferrosilicon ore heating furnace |
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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 |
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| CN102336574A (en) * | 2010-07-27 | 2012-02-01 | 辽宁科技大学 | Method for producing waterless taphole mix for blast furnace from high-alumina waste refractory materials |
| CN102515790A (en) * | 2011-11-14 | 2012-06-27 | 浙江锦诚耐火材料有限公司 | Environment friendly blast furnace stemming |
| CN103864448A (en) * | 2014-04-01 | 2014-06-18 | 郑州市瑞沃耐火材料有限公司 | Water-free stemming for medium and large blast furnace |
| CN105237000A (en) * | 2015-09-21 | 2016-01-13 | 江苏新环美节能技术有限公司 | Blast-furnace anhydrous stemming and production device thereof |
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Patent Citations (6)
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| CN102336574A (en) * | 2010-07-27 | 2012-02-01 | 辽宁科技大学 | Method for producing waterless taphole mix for blast furnace from high-alumina waste refractory materials |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107056260A (en) * | 2017-05-03 | 2017-08-18 | 巩义市宏宇耐火材料有限公司 | It is a kind of to be used for blocking environment-friendly type anhydrous stemming of blast furnace tapping hole and preparation method thereof |
| CN111825469A (en) * | 2020-07-29 | 2020-10-27 | 郑州科信炉料有限公司 | Environment-friendly anhydrous stemming for single-taphole blast furnace and preparation method thereof |
| CN112225536A (en) * | 2020-10-14 | 2021-01-15 | 内蒙古鄂尔多斯电力冶金集团股份有限公司 | Anhydrous stemming for ferrosilicon ore heating furnace |
| CN112225536B (en) * | 2020-10-14 | 2022-09-20 | 内蒙古鄂尔多斯电力冶金集团股份有限公司 | Anhydrous stemming for ferrosilicon ore heating furnace |
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Application publication date: 20160831 |
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