CN105461346A - Method for preparing porous material by use of blast furnace slag titanium-extracting tailings - Google Patents
Method for preparing porous material by use of blast furnace slag titanium-extracting tailings Download PDFInfo
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- CN105461346A CN105461346A CN201510819224.XA CN201510819224A CN105461346A CN 105461346 A CN105461346 A CN 105461346A CN 201510819224 A CN201510819224 A CN 201510819224A CN 105461346 A CN105461346 A CN 105461346A
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- Prior art keywords
- blast furnace
- furnace slag
- porous material
- titanium tailings
- tailings
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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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
- C04B38/068—Carbonaceous materials, e.g. coal, carbon, graphite, hydrocarbons
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/131—Inorganic additives
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/138—Waste materials; Refuse; Residues from metallurgical processes, e.g. slag, furnace dust, galvanic waste
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
- C04B2235/3203—Lithium oxide or oxide-forming salts thereof
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention belongs to the field of titanium slag recycling and specifically relates to a method for preparing a porous material by the use of blast furnace slag titanium-extracting tailings. The technical problem to be solved in the invention is that economic value of recycling blast furnace slag titanium-extracting tailings is not high at present. The scheme to solve the above technical problem in the invention is to provide a method for preparing a porous material by the use of blast furnace slag titanium-extracting tailings. The method comprises the following steps: a, uniformly mixing dried blast furnace slag titanium-extracting tailings, a pore forming agent, a binder, a sintering aid and a humidizer and moulding; and b, drying the above moulded mixture, and sintering at high temperature to obtain the porous material. By the method provided by the invention, harmless, reduction and resource approaches of blast furnace slag titanium-extracting tailings are broadened, and a functional material with higher economic value added can be obtained.
Description
Technical field
The invention belongs to titanium slag and recycle field, the method being specifically related to utilize blast furnace slag to carry titanium tailings and preparing porous material.
Background technology
Climbed steel since operation, high-titanium blast furnace slag reserves have reached tens million of ton.In high-titanium blast furnace slag containing have an appointment 20% titanium dioxide, put into practice through scientific research personnel's long-felt, summed up high temperature cabonization-low temperature selective chlorination-washing tailings packaged process, the titanium tailings of carrying that this Technology produces belongs to bulk solid waste, and its composition is with CaO, SiO
2and Al
2o
3be main, comprise the metal oxide that some other content is lower in addition.It is comparatively thin that chlorination process puies forward titanium tailings granularity, has certain activity, realizes the Strategic Demand that its resource utilization efficiency utilization not only meets national energy-saving reduction of discharging, has Important Economic simultaneously and be worth.
Current, the reutilization technology that blast furnace slag carries titanium tailings relates generally to the aspects such as building materials, and store up although can reduce tailings in a large number as building materials auxiliary material, its economic worth is limited.Therefore, the functional materials that research and development economic worth is higher, high-efficiency resource recycling blast furnace slag being carried to titanium tailings is significant.
Summary of the invention
The technical problem to be solved in the present invention is that at present to put forward the recycling economic worth of titanium tailings to blast furnace slag not high.
Invent the scheme that solves the problems of the technologies described above and be to provide a kind of method utilizing blast furnace slag to carry titanium tailings to prepare porous material, comprise the following steps:
A, dried blast furnace slag is carried titanium tailings mix aftershaping with pore-forming material, binding agent, sintering aid and moistening agent;
B, by after above-mentioned shaping mixture drying, through high temperature sintering, obtain porous material.
Above-mentionedly utilize blast furnace slag to carry titanium tailings to prepare in the method for porous material, the drying described in step a refers to conventional drying, and drying temperature is 100 ~ 120 DEG C.
Above-mentionedly utilize blast furnace slag to carry titanium tailings to prepare in the method for porous material, the pore-forming material described in step a is any one in powdered carbon, flour, bicarbonate of ammonia, phenylformic acid, resol or polymethylmethacrylate.
Above-mentionedly utilize blast furnace slag to carry titanium tailings to prepare in the method for porous material, the binding agent described in step a is any one in wilkinite, pitch, epoxy resin or urethane.The addition of described binding agent is that blast furnace slag puies forward 0 ~ 20% of titanium tailings quality.Preferably, the addition of binding agent is the <5% that blast furnace slag puies forward titanium tailings quality.
Above-mentionedly utilize blast furnace slag to carry titanium tailings to prepare in the method for porous material, the sintering aid described in step a is Co
2o
3, Fe
2o
3, MnO, Li
2cO
3or any one in borax.The addition of described sintering aid is that blast furnace slag puies forward 0 ~ 8% of titanium tailings quality.
Above-mentionedly utilize blast furnace slag to carry titanium tailings to prepare in the method for porous material, the moistening agent described in step a is water or resol.The addition < blast furnace slag of described moistening agent carries 20% of titanium tailings quality.
Above-mentionedly utilize blast furnace slag to carry titanium tailings to prepare in the method for porous material, the mass ratio that blast furnace slag described in step a carries titanium tailings and pore-forming material is 1:1 ~ 30:1.
Above-mentionedly utilize blast furnace slag to carry titanium tailings to prepare in the method for porous material, pressure shaping described in step a is 0.3 ~ 500MPa.
Above-mentionedly utilize blast furnace slag to carry titanium tailings to prepare in the method for porous material, the drying described in step b refers to conventional drying, and drying temperature is 100 ~ 120 DEG C.
Above-mentionedly utilize blast furnace slag to carry titanium tailings to prepare in the method for porous material, the temperature of high temperature sintering described in step b is 900 ~ 1200 DEG C, and sintering time is 0.5 ~ 6h.
By the porous material that method provided by the invention prepares, its porosity and ultimate compression strength can adjust flexibly according to customer need, applied range.Preparation method's desired raw material wide material sources provided by the invention, cost are low, and preparation method is simple, is suitable for industrialization scale operation.Method provided by the invention, had both widened that blast furnace slag carries that titanium tailings is innoxious, minimizing and utilization approaches, can obtain again the higher functional materials of economic value added.
Accompanying drawing explanation
Sample drawing prepared by Fig. 1 embodiment 1.
Sample drawing prepared by Fig. 2 embodiment 2.
Sample drawing prepared by Fig. 3 embodiment 3.
Embodiment
The method utilizing blast furnace slag to carry titanium tailings to prepare porous material, comprises the following steps:
A, dried blast furnace slag is carried titanium tailings mix aftershaping with pore-forming material, binding agent, sintering aid and moistening agent;
B, by after above-mentioned shaping mixture drying, through high temperature sintering, obtain porous material.
Above-mentionedly utilize blast furnace slag to carry titanium tailings to prepare in the method for porous material, the drying described in step a refers to conventional drying, and drying temperature is 100 ~ 120 DEG C.
Above-mentionedly utilize blast furnace slag to carry titanium tailings to prepare in the method for porous material, the pore-forming material described in step a is any one in powdered carbon, flour, bicarbonate of ammonia, phenylformic acid, resol or polymethylmethacrylate.
Above-mentionedly utilize blast furnace slag to carry titanium tailings to prepare in the method for porous material, the binding agent described in step a can adopt has the natural of adhesive property or synthetic adhesive, as any one in wilkinite, pitch, epoxy resin or urethane.The addition of described binding agent is that blast furnace slag puies forward 0 ~ 20% of titanium tailings quality.Can adjust according to the demand of ultimate compression strength, preferably, the addition of binding agent is the <5% that blast furnace slag puies forward titanium tailings quality.
Above-mentionedly utilize blast furnace slag to carry titanium tailings to prepare in the method for porous material, the sintering aid described in step a can adopt has the oxide compound of promoter action, salt or other mixtures to sintering, can be Co
2o
3, Fe
2o
3, MnO, Li
2cO
3any one in (Quilonum Retard) or borax, the addition of sintering aid is that blast furnace slag puies forward 0 ~ 8% of titanium tailings quality.
Above-mentionedly utilize blast furnace slag to carry titanium tailings to prepare in the method for porous material, the moistening agent described in step a is water or resol.The addition < blast furnace slag of described moistening agent carries 20% of titanium tailings quality.Moistening agent can determine whether according to selected binding agent kind to increase, and is not necessary.
Above-mentionedly utilize blast furnace slag to carry titanium tailings to prepare in the method for porous material, the mass ratio that blast furnace slag described in step a carries titanium tailings and pore-forming material is 1:1 ~ 30:1, can control flexibly according to the requirement of porous material, still can be shaping after ensureing sintering.
Above-mentionedly utilize blast furnace slag to carry titanium tailings to prepare in the method for porous material, pressure shaping described in step a is 0.3 ~ 500MPa.Suitably can adjust according to the demand of product.
Above-mentionedly utilize blast furnace slag to carry titanium tailings to prepare in the method for porous material, the drying described in step b refers to conventional drying, and drying temperature is 100 ~ 120 DEG C.
Above-mentionedly utilize blast furnace slag to carry titanium tailings to prepare in the method for porous material, high temperature sintering temperature described in step b is 900 ~ 1200 DEG C, and sintering time is 0.5 ~ 6h.
Embodiment 1
Carry titanium Wei Zha ︰ Tan Fen ︰ Peng Run Tu ︰ Quilonum Retard=70 ︰ 30 ︰ 2 ︰ 2 (mass ratio) according to blast furnace slag and accurately take material, after mixing, add the water of about 5% (mass percent of above-mentioned material total mass), in 30MPa forming under the pressure after again fully mixing; Biscuit after shaping is dried, proceeds in High Temperature Furnaces Heating Apparatus and sinter 4 hours in 1000 DEG C, obtain porous material.
Under the test of Archimedes's drainage shows this condition, prepared porosity of porous material is about 64.3%, and ultimate compression strength is about 0.91MPa.Fig. 1 is shown in by prepared sample.
Embodiment 2
Carry titanium Wei Zha ︰ Tan Fen ︰ Peng Run Tu ︰ Quilonum Retard=90 ︰ 10 ︰ 2 ︰ 2 (mass ratio) according to blast furnace slag and accurately take material, Homogeneous phase mixing, add water about 10% (mass percent of above-mentioned material total mass), in 50MPa forming under the pressure after again fully mixing; Biscuit after shaping is dried, proceeds in High Temperature Furnaces Heating Apparatus and sinter 4 hours in 1050 DEG C, obtain porous material.
Under the test of Archimedes's drainage shows this condition, prepared porosity of porous material is about 51.3%, and ultimate compression strength is about 19.17MPa.Fig. 2 is shown in by prepared sample.
Embodiment 3
Titanium tailings is carried: powdered carbon: wilkinite: Quilonum Retard=80 ︰ 20 ︰ 2 ︰ 2 (mass ratio) accurately takes material according to blast furnace slag, Homogeneous phase mixing, add water about 7% (mass percent of above-mentioned material total mass), in 30MPa forming under the pressure after again fully mixing; Biscuit after shaping is dried, proceeds in High Temperature Furnaces Heating Apparatus and sinter 4 hours in 1100 DEG C, obtain porous material.
Under the test of Archimedes's drainage shows this condition, prepared porosity of porous material is about 51.9%, and ultimate compression strength is about 8.40MPa.Fig. 3 is shown in by prepared sample.
Preparation method's desired raw material wide material sources provided by the invention, cost are low, and preparation method is simple, is suitable for industrialization scale operation.
Claims (10)
1. the method utilizing blast furnace slag to carry titanium tailings to prepare porous material, comprises the following steps:
A, dried blast furnace slag is carried titanium tailings mix aftershaping with pore-forming material, binding agent, sintering aid and moistening agent;
B, by after above-mentioned shaping mixture drying, through high temperature sintering, obtain porous material.
2. the method utilizing blast furnace slag to carry titanium tailings to prepare porous material according to claim 1, is characterized in that: the pore-forming material described in step a is any one in powdered carbon, flour, bicarbonate of ammonia, phenylformic acid, resol or polymethylmethacrylate.
3. the method utilizing blast furnace slag to carry titanium tailings to prepare porous material according to claim 1, is characterized in that: the binding agent described in step a is any one in wilkinite, pitch, epoxy resin or urethane.
4. the method utilizing blast furnace slag to carry titanium tailings to prepare porous material according to claim 1, is characterized in that: the addition of described binding agent is that blast furnace slag puies forward 0 ~ 20% of titanium tailings quality; Preferably, the addition of binding agent is the <5% that blast furnace slag puies forward titanium tailings quality.
5. the method utilizing blast furnace slag to carry titanium tailings to prepare porous material according to claim 1, is characterized in that: the sintering aid described in step a is Co
2o
3, Fe
2o
3, MnO, Li
2cO
3or any one in borax; The addition of described sintering aid is that blast furnace slag puies forward 0 ~ 8% of titanium tailings quality.
6. the method utilizing blast furnace slag to carry titanium tailings to prepare porous material according to claim 1, is characterized in that: the moistening agent described in step a is water or resol; The addition < blast furnace slag of described moistening agent carries 20% of titanium tailings quality.
7. the method utilizing blast furnace slag to carry titanium tailings to prepare porous material according to claim 1, is characterized in that: the mass ratio that blast furnace slag described in step a carries titanium tailings and pore-forming material is 1:1 ~ 30:1.
8. the method utilizing blast furnace slag to carry titanium tailings to prepare porous material according to claim 1, is characterized in that: pressure shaping described in step a is 0.3 ~ 500MPa.
9. the method utilizing blast furnace slag to carry titanium tailings to prepare porous material according to claim 1, it is characterized in that: the drying described in step a and b refers to conventional drying, drying temperature is 100 ~ 120 DEG C.
10. the method utilizing blast furnace slag to carry titanium tailings to prepare porous material according to claim 1, is characterized in that: the temperature of high temperature sintering described in step b is 900 ~ 1200 DEG C, and the time is 0.5 ~ 6h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510819224.XA CN105461346A (en) | 2015-11-23 | 2015-11-23 | Method for preparing porous material by use of blast furnace slag titanium-extracting tailings |
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| CN201510819224.XA CN105461346A (en) | 2015-11-23 | 2015-11-23 | Method for preparing porous material by use of blast furnace slag titanium-extracting tailings |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076256A (en) * | 2016-07-06 | 2016-11-09 | 中山大学 | A kind of preparation method and applications of nanometer Fe (0) porous mud material with carbon element |
| CN106810291A (en) * | 2017-03-12 | 2017-06-09 | 江西理工大学 | A kind of water treatment ceramsite of cobalt melting waste slag base and preparation method thereof |
| CN109589911A (en) * | 2018-11-23 | 2019-04-09 | 江苏科技大学 | A kind of modified blast furnace slag and its application |
| CN110668786A (en) * | 2019-09-25 | 2020-01-10 | 攀钢集团攀枝花钢铁研究院有限公司 | Foamed ceramic and preparation method and application thereof |
| CN113087543A (en) * | 2021-03-31 | 2021-07-09 | 成渝钒钛科技有限公司 | High-titanium blast furnace slag high-strength lightweight aggregate and preparation method thereof |
| CN116606161A (en) * | 2023-05-25 | 2023-08-18 | 攀枝花学院 | Method for preparing porous ceramic from titanium-containing blast furnace slag and silicon slag |
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| CN104496535A (en) * | 2015-01-04 | 2015-04-08 | 中南大学 | Foamed ceramic mainly prepared from silica sand tailing and fly ash and preparation method thereof |
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2015
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| CN102924113A (en) * | 2012-11-09 | 2013-02-13 | 中南大学 | Copper mine tailing slag porous ceramic material and preparation method thereof |
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Non-Patent Citations (1)
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076256A (en) * | 2016-07-06 | 2016-11-09 | 中山大学 | A kind of preparation method and applications of nanometer Fe (0) porous mud material with carbon element |
| CN106810291A (en) * | 2017-03-12 | 2017-06-09 | 江西理工大学 | A kind of water treatment ceramsite of cobalt melting waste slag base and preparation method thereof |
| CN106810291B (en) * | 2017-03-12 | 2019-11-22 | 江西理工大学 | A kind of water treatment ceramsite and preparation method thereof of cobalt melting waste slag base |
| CN109589911A (en) * | 2018-11-23 | 2019-04-09 | 江苏科技大学 | A kind of modified blast furnace slag and its application |
| CN110668786A (en) * | 2019-09-25 | 2020-01-10 | 攀钢集团攀枝花钢铁研究院有限公司 | Foamed ceramic and preparation method and application thereof |
| CN113087543A (en) * | 2021-03-31 | 2021-07-09 | 成渝钒钛科技有限公司 | High-titanium blast furnace slag high-strength lightweight aggregate and preparation method thereof |
| CN116606161A (en) * | 2023-05-25 | 2023-08-18 | 攀枝花学院 | Method for preparing porous ceramic from titanium-containing blast furnace slag and silicon slag |
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Application publication date: 20160406 |