CN106431429A - Castables capable of resisting aluminum liquid permeation and preparation method thereof - Google Patents
Castables capable of resisting aluminum liquid permeation and preparation method thereof Download PDFInfo
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- CN106431429A CN106431429A CN201610770745.5A CN201610770745A CN106431429A CN 106431429 A CN106431429 A CN 106431429A CN 201610770745 A CN201610770745 A CN 201610770745A CN 106431429 A CN106431429 A CN 106431429A
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- resistant liquid
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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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- Organic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The invention discloses castables capable of resisting molten aluminum permeation and a preparation method thereof. The castables capable of resisting molten aluminum permeation is prepared by mixing the following components in parts by weight: 65-80 parts of vanadium iron slag, 10-30 parts of high-alumina fine powder, 3-10 parts of aluminum oxide micro powder, 2-10 parts of silicon micro powder, 5-10 parts of high-alumina cement, 3-5 parts of magnesite, 2-3 parts of barium sulfate, 2-3 parts of calcium fluoride and 5-10 parts of water. The castables capable of resisting the molten aluminum permeation disclosed by the invention has a good corrosion resistance to molten aluminum and prolonged lining service life, and the purpose of recycling waste resources is achieved.
Description
Technical field
The present invention relates to a kind of inner lining material of the metallurgical equipment such as aluminum alloy smelting furnace, holding furnace, particularly to one kind
Aluminum-resistant liquid penetration pouring material and preparation method thereof.
Background technology
Since last decade, aluminum processing product quickly grows, and gradually applies the every field in national economy etc., and it specifically wraps
Containing aluminium section bar, aluminium plate, aluminum strip, aluminium foil, cast each product type such as aluminium.Occur in that adaptation is different in evolution
The material property of demand and structure, also occur in that production technologies different accordingly.
For example, the production technology of aluminium section bar mainly includes founding, extruding, colouring etc.；Aluminium sheet, band production technology main
Including founding, casting, continuous casting and rolling etc.；The production technology of aluminium casting mainly includes founding, casting.
Need aluminium ingot in the production process of aluminum products（Aluminium alloy ingots）Deng raw material, by heat such as aluminium melting furnace, holding furnaces
Construction equipment, is heated to 800-1100 DEG C and is melted for liquid aluminium, then aluminium liquid is carried out with refining treatment, cooling processing, final
To desired article construction and product properties.
Strengthening with aluminum alloy smelting technique and the lifting of aluminium alloy grade, also carry to aluminum alloy smelting refractory material
Go out higher requirement.Especially for the castable refractory with aluminium liquid directly contact.
Content of the invention
It is an object of the invention to provide a kind of aluminum-resistant liquid penetration pouring material, possess opposing aluminium liquid erosion performance well,
Extend liner service life, realize the purpose that waste resource recycles.
Present invention also offers the preparation method of above-mentioned aluminum-resistant liquid penetration pouring material.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of aluminum-resistant liquid penetration pouring material, is mixed by following components by weight：65～80 parts of ferrovanadium dregs, high alumina fine powder
10～30 parts, 3～10 parts of alumina powder, 2～10 parts of silicon powder, 5～10 parts of alumina cement, 3～5 parts of magnesite, barium sulfate 2
～3 parts, 2～3 parts of calcirm-fluoride, 5～10 parts of water.
The core of the present invention is to be used ferrovanadium dregs as the primary raw material of aluminum-resistant liquid penetration pouring material, is metallurgical slag,
Aluminum-resistant liquid erosion performance is high.
Ferrovanadium dregs are the solid waste that aluminothermic process produces vanadium iron.According to statistics, with the significantly increasing of vanadium iron yield
Long, the annual production of national ferrovanadium dregs is more than 50,000 tons.The composition of the aluminum oxide in vanadium iron more than 80%, containing a certain amount of oxygen
Change magnesium and calcium oxide, and contain minimal amount of silica composition, the nonwetting property that aluminum solutions have been had.Its fire resistance is excellent
Different, can be used as the substitute of premium high-alumina raw material.For aluminium melting industry, there is larger feasibility.
High alumina fine powder is using natural alumina fine powder, through high-temperature calcination, a kind of product obtaining.High alumina fine powder has
Multiple ranks, rank is higher, and the content of its alumina composition is higher.Its mainly based on aluminum oxide, containing a certain amount of oxidation
Silicon composition.Mineral facies mainly contain corundum, mullite composition.There is certain aluminum-resistant liquid erosiveness.
Alumina powder, be with high-temperature calcination alumina powder jointed with industrial aluminium hydroxide or commercial alumina as raw material,
It is sintered into the α-type alumina product of stable crystal form at a temperature of suitably；Again to calcine α-type aluminum oxide as raw material, through ball milling
The micro mist made.There is high chemical purity, mainly based on alumina composition.
Silicon powder, is ferroalloy in smelting duriron and industrial silicon（Metallic silicon）When, produce a large amount of volatilizations in ore-smelting electric furnace
Property very strong SiO2 and Si gas, form with air rapid oxidation condensation precipitation after gas discharge.High-quality SILICA FUME mainly by with
Make high-performance refractory castable, prefabricated component, ladle material, air brick, self-flow pattern castable refractory and wet-dry change blasting materials.In height
Warm ceramic field, such as：Oxide combined silicon carbide product, high temperature modification calcium silicates light heat-insulating material, electromagnetism kiln is not come with corundum
Stone push pedal, high-temperature and wear-proof and product, corundum and ceramic, match dragon combines product etc., and the use of SILICA FUME has high stream
The features such as dynamic property, low reservoir storage, high-compactness and high intensity.
Alumina cement（Claimed alumina cement in the past）It is with bauxite and lime as raw material, prepare by a certain percentage, through calcining,
A kind of levigate obtained hydraulic cementing materials with aluminate as main mineral constituent, also known as aluminate cement.For resistance to
The normal temperature of fiery castable combines.
Calcirm-fluoride, is also called fluorite.It adds as flux, opacifier, and it can promote the fusing of frit；In water
During mud produces, fluorite adds as mineralizer.Fluorite can reduce the sintering temperature of furnace charge, reduce fuel consumption, can also increase simultaneously
Grog liquid phase viscosity during strong sintering, promotes the formation of tricalcium silicate；In ceramic industry, fluorite is mainly used as enamel, and it can be
Play in enamel production process and help color and fluxing action；Fluorite is also applied in porcelain enamel industry and cast stone production.
Castable in the formula of the present invention needs to pour into a mould in a mold and vibration moulding, and passes through baking dehydration, finally
With prefabricated section as product form.It is advantageously implemented the rapid construction in actual stove building process, and advantageously reduces stove and dry
Do and preheating time, reduce energy resource consumption.
Preferably, being mixed by following components by weight：65～75 parts of ferrovanadium dregs, high alumina fine powder 16～25
Part, 5～9 parts of alumina powder, 3～8 parts of silicon powder, 5～10 parts of alumina cement, 3～5 parts of magnesite, 2～3 parts of barium sulfate, fluorine
Change 2～3 parts of calcium, 5～10 parts of water.
Preferably, being mixed by following components by weight：67～71 parts of ferrovanadium dregs, high alumina fine powder 16～18
Part, 5～7 parts of alumina powder, 3～5 parts of silicon powder, 5～10 parts of alumina cement, 3～5 parts of magnesite, 2～3 parts of barium sulfate, fluorine
Change 2～3 parts of calcium, 5～10 parts of water.
Preferably, the particle diameter of described high alumina fine powder is in 325-1000 mesh.
Preferably, the granular size of described alumina powder is in 300-600 mesh.
Preferably, the granular size of described silicon powder is in 400-700 mesh.
Ferrovanadium dregs and high alumina fine powder are first mixed, stir 10～15 points by a kind of preparation method of aluminum-resistant liquid penetration pouring material
Zhong Hou, adds alumina powder, after stirring 8～10 minutes, adds silicon powder, after stirring 8～10 minutes, addition alumina cement,
Magnesite, barium sulfate and calcirm-fluoride, after stirring 16～20 minutes, are eventually adding water, put in prefabricated mould after stirring,
Mould is placed on shake table vibration uniformly, the demoulding after 3 hours obtains prefabricated section, prefabricated section is put in kiln and dries, Ran Houqu
Go out, finally surface polishing is carried out using grinding tool.
Preferably, the process dried in kiln put into by prefabricated section is first to be warmed up to 100 DEG C in 8 hours, then 10
It is warmed up to 800 DEG C in hour, then be incubated 6 hours at 800 DEG C.
The invention has the beneficial effects as follows：The present invention produces aluminum-resistant liquid penetration pouring material using the formula of science and technique,
Aluminum-resistant liquid permeability is strong, and thermal conductivity factor is low, long service life, and the cost of material is low, does not pollute aluminium water.Compared with similar castable,
The present invention can save the discharge of trade waste, effectively utilizes metallurgical slag, the present invention can save the cost of raw material 20% with
On, the case temperature of metallurgical equipment low 30 DEG C about than prior art, good energy-conserving effect, service life be original 1.5 times with
On.
Specific embodiment
Below by specific embodiment, technical scheme is described in further detail.
In the present invention, if not refering in particular to, the raw material being adopted and equipment etc. are all commercially available or commonly used in the art.
Method in following embodiments, if no special instructions, is the conventional method of this area.
The particle diameter of the high alumina fine powder of the present invention 325-1000 mesh, alumina powder granular size in 300-600 mesh, silicon
The granular size of micro mist is in 400-700 mesh.
Embodiment 1：
A kind of aluminum-resistant liquid penetration pouring material, is mixed by following components by weight：65 parts of ferrovanadium dregs, high alumina fine powder 10
Part, 3 parts of alumina powder, 2 parts of silicon powder, 5 parts of alumina cement, 3 parts of magnesite, 2 parts of barium sulfate, 2 parts of calcirm-fluoride, 5 parts of water.
Embodiment 2：
A kind of aluminum-resistant liquid penetration pouring material, is mixed by following components by weight：80 parts of ferrovanadium dregs, high alumina fine powder 30
Part, 10 parts of alumina powder, 10 parts of silicon powder, 10 parts of alumina cement, 5 parts of magnesite, 3 parts of barium sulfate, 3 parts of calcirm-fluoride, water 10
Part.
Embodiment 3：
A kind of aluminum-resistant liquid penetration pouring material, is mixed by following components by weight：67 parts of ferrovanadium dregs, high alumina fine powder 16
Part, 5 parts of alumina powder, 3 parts of silicon powder, 7 parts of alumina cement, 4 parts of magnesite, 2.5 parts of barium sulfate, 2.5 parts of calcirm-fluoride, water 7
Part.
Embodiment 4：
A kind of aluminum-resistant liquid penetration pouring material, is mixed by following components by weight：71 parts of ferrovanadium dregs, high alumina fine powder 25
Part, 9 parts of alumina powder, 8 parts of silicon powder, 7 parts of alumina cement, 3～5 parts of magnesite, 2～3 parts of barium sulfate, calcirm-fluoride 2～3
Part, 5～10 parts of water.
Embodiment 5：
A kind of aluminum-resistant liquid penetration pouring material, is mixed by following components by weight：75 parts of ferrovanadium dregs, high alumina fine powder 18
Part, 7 parts of alumina powder, 5 parts of silicon powder, 6 parts of alumina cement, 4 parts of magnesite, 3 parts of barium sulfate, 3 parts of calcirm-fluoride, 8 parts of water.
The preparation method of aluminum-resistant liquid penetration pouring material of the present invention is：First ferrovanadium dregs and high alumina fine powder are mixed, stirring 10～
After 15 minutes, add alumina powder, after stirring 8～10 minutes, add silicon powder, after stirring 8～10 minutes, add high alumina water
Mud, magnesite, barium sulfate and calcirm-fluoride, after stirring 16～20 minutes, are eventually adding water, put into prefabricated mould after stirring
Interior, mould is placed on shake table vibration uniformly, the demoulding after 3 hours obtains prefabricated section, prefabricated section is put in kiln and dries, so
After take out, finally surface polishing is carried out using grinding tool.The process dried in kiln put into by prefabricated section is first to be warmed up in 8 hours
100 DEG C, then it is warmed up to 800 DEG C in 10 hours, then be incubated 6 hours at 800 DEG C.
Embodiment described above is one kind preferably scheme of the present invention, not the present invention is made any pro forma
Limit, also have other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (8)
1. a kind of aluminum-resistant liquid penetration pouring material is it is characterised in that be mixed by following components by weight：Ferrovanadium dregs 65～
80 parts, 10～30 parts of high alumina fine powder, 3～10 parts of alumina powder, 2～10 parts of silicon powder, 5～10 parts of alumina cement, magnesite 3
～5 parts, 2～3 parts of barium sulfate, 2～3 parts of calcirm-fluoride, 5～10 parts of water.
2. a kind of aluminum-resistant liquid penetration pouring material according to claim 1 is it is characterised in that by weight by following components
It is mixed：65～75 parts of ferrovanadium dregs, 16～25 parts of high alumina fine powder, 5～9 parts of alumina powder, 3～8 parts of silicon powder, high alumina water
5～10 parts of mud, 3～5 parts of magnesite, 2～3 parts of barium sulfate, 2～3 parts of calcirm-fluoride, 5～10 parts of water.
3. a kind of aluminum-resistant liquid penetration pouring material according to claim 2 is it is characterised in that by weight by following components
It is mixed：67～71 parts of ferrovanadium dregs, 16～18 parts of high alumina fine powder, 5～7 parts of alumina powder, 3～5 parts of silicon powder, high alumina water
5～10 parts of mud, 3～5 parts of magnesite, 2～3 parts of barium sulfate, 2～3 parts of calcirm-fluoride, 5～10 parts of water.
4. a kind of aluminum-resistant liquid penetration pouring material according to claim 1 or 2 or 3 is it is characterised in that described high alumina fine powder
Particle diameter is in 325-1000 mesh.
5. a kind of aluminum-resistant liquid penetration pouring material according to claim 1 or 2 or 3 is it is characterised in that described alumina powder
Granular size in 300-600 mesh.
6. a kind of aluminum-resistant liquid penetration pouring material according to claim 1 or 2 or 3 it is characterised in that described silicon powder
Grain size is in 400-700 mesh.
7. as claimed in claim 1 a kind of preparation method of aluminum-resistant liquid penetration pouring material it is characterised in that first by ferrovanadium dregs and
High alumina fine powder mixes, and after stirring 10～15 minutes, adds alumina powder, after stirring 8～10 minutes, adds silicon powder, stirs 8
After～10 minutes, add alumina cement, magnesite, barium sulfate and calcirm-fluoride, after stirring 16～20 minutes, be eventually adding water, stir
Put in prefabricated mould after mixing uniformly, mould is placed on shake table vibration uniformly, the demoulding after 3 hours obtains prefabricated section, will be pre-
Clamp dog is put in kiln and is dried, and then takes out, finally carries out surface polishing using grinding tool.
8. preparation method according to claim 7 is it is characterised in that the process dried in kiln put into by prefabricated section is first to exist
It is warmed up to 100 DEG C in 8 hours, is then warmed up to 800 DEG C in 10 hours, then be incubated 6 hours at 800 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610770745.5A CN106431429A (en) | 2016-08-31 | 2016-08-31 | Castables capable of resisting aluminum liquid permeation and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610770745.5A CN106431429A (en) | 2016-08-31 | 2016-08-31 | Castables capable of resisting aluminum liquid permeation and preparation method thereof |
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| CN106431429A true CN106431429A (en) | 2017-02-22 |
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| CN201610770745.5A Pending CN106431429A (en) | 2016-08-31 | 2016-08-31 | Castables capable of resisting aluminum liquid permeation and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114105544A (en) * | 2021-12-22 | 2022-03-01 | 南京科技职业学院 | Preparation method of inorganic high polymer material based on industrial solid waste recycling |
| CN116143531A (en) * | 2023-03-01 | 2023-05-23 | 承德天大钒业有限责任公司 | Method for preparing unshaped refractory material by utilizing vanadium-aluminum slag and application |
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| CN103145435A (en) * | 2013-04-09 | 2013-06-12 | 长兴云峰炉料有限公司 | Vanadium iron slag runner castable |
| CN105016748A (en) * | 2015-07-04 | 2015-11-04 | 张燕 | Vanadium iron slag-gangue fireproof pouring material |
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2016
- 2016-08-31 CN CN201610770745.5A patent/CN106431429A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103145435A (en) * | 2013-04-09 | 2013-06-12 | 长兴云峰炉料有限公司 | Vanadium iron slag runner castable |
| CN105016748A (en) * | 2015-07-04 | 2015-11-04 | 张燕 | Vanadium iron slag-gangue fireproof pouring material |
Non-Patent Citations (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114105544A (en) * | 2021-12-22 | 2022-03-01 | 南京科技职业学院 | Preparation method of inorganic high polymer material based on industrial solid waste recycling |
| CN116143531A (en) * | 2023-03-01 | 2023-05-23 | 承德天大钒业有限责任公司 | Method for preparing unshaped refractory material by utilizing vanadium-aluminum slag and application |
| CN116143531B (en) * | 2023-03-01 | 2024-06-07 | 承德天大钒业有限责任公司 | Method for preparing unshaped refractory material by utilizing vanadium-aluminum slag and application |
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Application publication date: 20170222 |