CN106588065A - Method for preparing inorganic porous material from magma soil by alkali activation - Google Patents
Method for preparing inorganic porous material from magma soil by alkali activation Download PDFInfo
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- CN106588065A CN106588065A CN201610956439.0A CN201610956439A CN106588065A CN 106588065 A CN106588065 A CN 106588065A CN 201610956439 A CN201610956439 A CN 201610956439A CN 106588065 A CN106588065 A CN 106588065A
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- Prior art keywords
- magma
- porous material
- inorganic porous
- soil
- raw material
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Classifications
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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
- C04B38/0022—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof obtained by a chemical conversion or reaction other than those relating to the setting or hardening of cement-like material or to the formation of a sol or a gel, e.g. by carbonising or pyrolysing preformed cellular materials based on polymers, organo-metallic or organo-silicon precursors
- C04B38/0025—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof obtained by a chemical conversion or reaction other than those relating to the setting or hardening of cement-like material or to the formation of a sol or a gel, e.g. by carbonising or pyrolysing preformed cellular materials based on polymers, organo-metallic or organo-silicon precursors starting from inorganic materials only, e.g. metal foam; Lanxide type products
-
- 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
-
- 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
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Abstract
The invention discloses a method for preparing a light inorganic porous material from magma soil as a raw material by alkali activation. The inorganic porous material is prepared from raw materials in percentage by mass as follows: 75%-95% of the magma soil and 5%-25% of an alkali activator. The method has the outstanding characteristics and remarkable improvement that rich natural non-metallic mine waste is used effectively, and the defect that a common inorganic mineral polymer is high in volume weight and does not have thermal insulation and sound insulation functions is overcome effectively. The process is reasonable in design, the raw materials are richly sourced, the technological process is simple, and the light inorganic porous material is prepared through comprehensive utilization of mineral resources and can be widely applied to the fields of thermal insulation, fire prevention, sound insulation and the like.
Description
Technical field
The invention belongs to inorganic macromolecule material and New Building Materials field, and in particular to a kind of with magma soil as raw material
Low-density cellular material of roasting and preparation method thereof Jing after alkali activation.
Background technology
Porous material is wide in multiple industrial circles because of its low-density, high-specific surface area, low heat conduction and sound-absorption and heat-insulation performance
General application.In recent years, the focus of attention that cheap porous inorganic material is this area is prepared using natural minerals, wherein,
It is one of relatively simple easy method to introduce duct in alkali activation aluminium silicate mineral material.Such inorganic macromolecule material
With excellent chemically and thermally stability, and can complete only under room temperature or medium temperature condition.It is anti-by sloughing silanol polycondensation
The inorganic material that should be obtained has the silicon-oxygen-aluminum network structure of polymerization, its elementary cell [SiO4] and [AlO4] tetrahedron passes through
Shared oxygen atom is alternately combined, elementary cell random distribution and be in three-dimensional net structure.Matrix phase is in noncrystalline to merocrystalline phase.
Material has preferably fast hard solidification and early epistasis, and intensity is high, and corrosion resistance and hydrothermal are good, high temperature resistant and easily strengthen,
Toughness reinforcing.Such material feedstock abundance and cheap.Therefore, in Materials with High Strength, solid core solid waste material, building materials and ornaments, work
The aspect such as industry manufacture and high temperature fireproof material shows wide application prospect.
Chinese patent CN 101353232A report a kind of preparation of flyash polymer and its application process.It is Chinese special
Sharp CN 1817814A then provide a kind of method for preparing mineral polymeric material using discarded hargil.Chinese patent CN
1517321A describes a kind of method that utilization potassium feldspar produces polymeric material.Above-mentioned patent adopts potassium feldspar for primary raw material,
With flyash, blast-furnace slag, gangue and mill tailings and a small amount of Kaolin dispensing, adopt sodium hydroxide or potassium hydroxide for
Exciting agent, is obtained mineral polymeric material after agitated, molding and solidification.
Alkali activation mineral macromolecular material prepared by said method belongs to inorganic macromolecule material, although with good resistance to
Corrosion and fire protecting performance, but because material structure is closely knit, unit weight is larger, and thermal and insulating performance is poor, and in skyscraper
It is restricted as framework packing material application.Compare with other light building materials with air entrained concrete, building building-block,
Without significant competitive advantage.
Therefore it provides a kind of bulk density and heat conductivity is low and inorganic porous material with good physical and its
Preparation method, is one of important directions of current this area research.
The content of the invention
In order to comprehensively utilize nonmetallic mineral resource, overcome unit weight present in existing mineral polymeric material product it is big, every
The problems such as heat and soundproof effect difference, the invention provides a kind of light-weight inorganic porous material of utilization natural non-metallic mineral rock puddled soil
Material and preparation method thereof.Prepared product unit weight is low, and thermal and insulating performance is good, while having high intensity and acid-proof alkaline.Should
Method has simple to operate, low cost and other advantages, and raw material sources are extensive, popularization convenient to carry out.
What the technical solution of the present invention was realized in：
A kind of light-weight inorganic porous material with magma soil as primary raw material, it is characterised in that by following raw materials according according to quality percentage
Than being prepared from：Magma soil 75 ~ 95%, alkali-activator 5 ~ 25%.
Described exciting agent is sodium hydroxide.
Its preparation method is as follows：
The first step：200 ~ 300 mesh are reached by granularity is crushed to after the screening remove impurity of natural rock puddled soil；
Second step：By the material crushed in the first step with excite agent solution to be fully mixed to it to be uniformly dispersed；
3rd step：The wet feed obtained in second step is placed in mould, slight compressing, pressure is 2 ~ 15MPa；
4th step：Sample band mould after molding in 3rd step is placed in baking oven, is dried 1 hour at 100 ~ 120 DEG C, be naturally cooling to
By the hardened sample demoulding after room temperature.
5th step：Sample prepared by 4th step is placed in Muffle furnace carries out heat treatment, heat treatment temperature be 300～
600℃。
The present invention, with clear advantage and beneficial effect, and has a wide range of applications valency compared with prior art products
Value, it at least has following advantages：
1st, the present invention has higher economic worth and society's effect by raw material production of the association garbage in nonmetallic mineral exploitation
The building energy conservation product of benefit, realizes the efficient utilization of natural mineral resources.2nd, with the natural non-gold with aluminosilicate composition
Category mineral are raw material, and silanol condensation water is lost under exciting agent and heat treatment condition, form the good light-weight inorganic of pore structure
Material, the abundant duct formed in heat treatment process, it is ensured that products made thereby has high intensity and internal good micropore knot
Structure.3rd, natural non-metallic mineral are comprehensively utilized and prepare the light porous material with high intensity and good heat insulation performance,
So as to realize comprehensive utilization of resources and building energy conservation.
Description of the drawings
Fig. 1 is the preparation method process chart of the present invention.
Specific embodiment
With reference to each embodiment, the present invention will be further described in detail：
Before embodiment is given, first the natural non-metallic raw mineral materials magma soil in the present invention is illustrated.Magma soil by
Slag Jing after air slaking with the mixture of sedimented lava ashes（Main Ingredients and Appearance is SiO2（60~70%）And Al2O3（15~21%）, separately
There is a small amount of Fe2O3, CaO and MgO）.In the nonmetallic ore band of many ore deposit associations, magma soil is normally at topsoil lower section, rock
Puddled soil lower floor is tufa stone or bentonite, then lower floor is then perlite.In bentonite or perlite mining process, magma soil one
As abandon as solid waste, both wasted resource, again pollute environment.
A kind of light-weight inorganic mineral material with magma soil as primary raw material, it is characterised in that by following raw materials according according to quality
Percentage ratio is prepared from：Magma soil 75 ~ 95%, alkali-activator 5 ~ 25%.
Described exciting agent is sodium hydroxide.
Its preparation method is as follows：
The first step：200 ~ 300 mesh are reached by granularity is crushed to after the screened remove impurity of natural rock puddled soil；
Second step：By the material crushed in the first step with excite agent solution to be fully mixed to it to be uniformly dispersed；
3rd step：The wet feed obtained in second step is placed in mould, slight compressing, pressure is 5 ~ 15MPa；
4th step：Sample band mould after molding in 3rd step is placed in baking oven, is dried 1 hour at 100 ~ 120 DEG C, be naturally cooling to
By the hardened sample demoulding after room temperature；
5th step：Sample prepared by 4th step is placed in Muffle furnace carries out heat treatment, and heat treatment temperature is 300～600 DEG C.
Embodiment 1
With magma soil as primary raw material, sodium hydroxide is alkali-activator.Weigh respectively：Magma soil 200g, sodium hydroxide after remove impurity
Solution（4M）100g.
Magma soil was crushed to into 200 mesh sieves.
Above two raw material is put in kneader and is sufficiently mixed.
Batch mixing after kneading is placed in compressing in mould, pressure is 5MPa.
Sample band mould after molding is placed in baking oven, is dried at 115 DEG C 1 hour, the demoulding of sample hardening after cooling.
Sample after the demoulding is placed in Muffle furnace, is processed 1 hour at 350 DEG C, natural cooling is down to room temperature.
Above-mentioned prepared sample unit weight is 1412 kg/m3, comprcssive strength is 10.5 MPa, 0.6 ~ 0.82mm of average pore size.
Embodiment 2
With magma soil as primary raw material, sodium hydroxide is alkali-activator.Weigh respectively：Magma soil 200g, sodium hydroxide after remove impurity
Solution（4M）100g.
Magma soil was crushed to into 230 mesh sieves.
Above two raw material is put in kneader and is sufficiently mixed.
Batch mixing after kneading is placed in compressing in mould, pressure is 5MPa.
Sample band mould after molding is placed in baking oven, is dried at 105 DEG C 1 hour, the demoulding of sample hardening after cooling.
Sample after the demoulding is placed in Muffle furnace, is processed 1 hour at 500 DEG C, natural cooling is down to room temperature.
Above-mentioned prepared sample unit weight is 712 kg/m3, comprcssive strength is 7.52 MPa, 0.8 ~ 1.2mm of average pore size.
Embodiment 3
With magma soil as primary raw material, sodium hydroxide is alkali-activator.Weigh respectively：Magma soil 200g, sodium hydroxide after remove impurity
Solution（8M）100g.
Magma soil was crushed to into 270 mesh sieves.
Above two raw material is put in kneader and is sufficiently mixed.
Batch mixing after kneading is placed in compressing in mould, pressure is 5MPa.
Sample band mould after molding is placed in baking oven, is dried at 110 DEG C 1 hour, the demoulding of sample hardening after cooling.
Sample after the demoulding is placed in Muffle furnace, is processed 1 hour at 500 DEG C, natural cooling is down to room temperature.
Above-mentioned prepared sample unit weight is 612 kg/m3, comprcssive strength is 4.7 MPa, 3.6 ~ 4.5mm of average pore size.
Embodiment 4
With magma soil as primary raw material, sodium hydroxide is alkali-activator.Weigh respectively：Magma soil 200g, sodium hydroxide after remove impurity
Solution（8M）100g.
Magma soil was crushed to into 230 mesh sieves.
Above two raw material is put in kneader and is sufficiently mixed.
Batch mixing after kneading is placed in compressing in mould, pressure is 5MPa.
Sample band mould after molding is placed in baking oven, is dried at 115 DEG C 1 hour, the demoulding of sample hardening after cooling.
Sample after the demoulding is placed in Muffle furnace, is processed 1 hour at 550 DEG C, natural cooling is down to room temperature.
Above-mentioned prepared sample unit weight is 547 kg/m3, comprcssive strength is 2.8 MPa, 7.4 ~ 8.3mm of average pore size.
Embodiment 5
With magma soil as primary raw material, sodium hydroxide is alkali-activator.Weigh respectively：Magma soil 200g, sodium hydroxide after remove impurity
Solution（16M）100g.
Magma soil was crushed to into 300 mesh sieves.
Above two raw material is put in kneader and is sufficiently mixed.
Batch mixing after kneading is placed in compressing in mould, pressure is 15MPa.
Sample band mould after molding is placed in baking oven, is dried at 110 DEG C 1 hour, the demoulding of sample hardening after cooling.
Sample after the demoulding is placed in Muffle furnace, is processed 1 hour at 600 DEG C, natural cooling is down to room temperature.
Above-mentioned prepared sample unit weight is 347 kg/m3, comprcssive strength is 2.2 MPa, 9.6 ~ 10.3mm of average pore size.
In summary it can be seen, the outstanding feature of the present invention and significant progress are effectively utilizes nonmetallic ore garbages, and
Effectively overcome common inorganic mineral polymeric material unit weight greatly and do not possess the shortcoming of incubation and thermal insulation function.Present invention process is designed
Rationally, abundant raw material source, technological process is simple, and Comprehensive utilization of mineral resource prepares energy-saving building materialses.
Above example is merely to illustrate the preferred embodiment of the present invention, but the present invention is not limited to above-mentioned embodiment party
Formula, in the ken that the field those of ordinary skill possesses, that what is made within the spirit and principles in the present invention is any
Modification, equivalent substitute and improvement etc., it all should cover the technical scheme being claimed in the present invention.
Claims (3)
1. it is a kind of with the native light-weight inorganic porous material as raw material of magma, it is characterised in that by following raw materials according according to mass percent
It is prepared from：Magma soil 75 ~ 95%, alkali-activator 5 ~ 25%.
2. according to claim 1 a kind of with the native light-weight inorganic porous material as raw material of magma, it is characterised in that：It is described
Exciting agent be sodium hydroxide.
3. a kind of with the native light-weight inorganic porous material as raw material of magma as described in above-mentioned claim 1, its preparation method is such as
Under：
The first step：200 ~ 300 mesh are reached by granularity is crushed to after the screened remove impurity of natural rock puddled soil；
Second step：By the material crushed in the first step with excite agent solution to be fully mixed to it to be uniformly dispersed；
3rd step：The wet feed obtained in second step is placed in mould, slight compressing, pressure is 2 ~ 15MPa；
4th step：Sample band mould after molding in 3rd step is placed in baking oven, is dried 1 hour at 100 DEG C ~ 120 DEG C, Temperature fall
To room temperature by the hardened sample demoulding；
5th step：Sample prepared by 4th step is placed in Muffle furnace carries out heat treatment, and heat treatment temperature is 300～600 DEG C,
Natural cooling is down to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610956439.0A CN106588065A (en) | 2016-11-04 | 2016-11-04 | Method for preparing inorganic porous material from magma soil by alkali activation |
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| CN201610956439.0A CN106588065A (en) | 2016-11-04 | 2016-11-04 | Method for preparing inorganic porous material from magma soil by alkali activation |
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| CN201610956439.0A Pending CN106588065A (en) | 2016-11-04 | 2016-11-04 | Method for preparing inorganic porous material from magma soil by alkali activation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107880895A (en) * | 2017-11-28 | 2018-04-06 | 信阳师范学院 | It is a kind of using low-grade magma soil as water-keeping material of primary raw material and preparation method thereof |
| CN108439952A (en) * | 2018-05-20 | 2018-08-24 | 信阳师范学院 | It is a kind of using low-grade white clay and expanded perlite as high intensity water-permeable brick of primary raw material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492276A (en) * | 2009-02-19 | 2009-07-29 | 广西大学 | Novel clay soil polyporous materials and method of producing the same |
| CN102633519A (en) * | 2012-05-08 | 2012-08-15 | 信阳师范学院 | Light inorganic mineral polymeric material with expanded perlite and natural zeolite as main materials, and preparation method of the light inorganic mineral polymeric material |
| CN104232074A (en) * | 2014-09-22 | 2014-12-24 | 信阳市上天梯怡和矿产资源开发有限公司 | Low-density high-strength petroleum ceramsite proppant taking tuff as main raw material, and preparation method thereof |
-
2016
- 2016-11-04 CN CN201610956439.0A patent/CN106588065A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492276A (en) * | 2009-02-19 | 2009-07-29 | 广西大学 | Novel clay soil polyporous materials and method of producing the same |
| CN102633519A (en) * | 2012-05-08 | 2012-08-15 | 信阳师范学院 | Light inorganic mineral polymeric material with expanded perlite and natural zeolite as main materials, and preparation method of the light inorganic mineral polymeric material |
| CN104232074A (en) * | 2014-09-22 | 2014-12-24 | 信阳市上天梯怡和矿产资源开发有限公司 | Low-density high-strength petroleum ceramsite proppant taking tuff as main raw material, and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107880895A (en) * | 2017-11-28 | 2018-04-06 | 信阳师范学院 | It is a kind of using low-grade magma soil as water-keeping material of primary raw material and preparation method thereof |
| CN108439952A (en) * | 2018-05-20 | 2018-08-24 | 信阳师范学院 | It is a kind of using low-grade white clay and expanded perlite as high intensity water-permeable brick of primary raw material and preparation method thereof |
| CN108439952B (en) * | 2018-05-20 | 2020-10-27 | 信阳师范学院 | High-strength water permeable brick with low-grade white mud and expanded perlite as main raw materials and preparation method thereof |
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Application publication date: 20170426 |
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