CN108358655A - It is a kind of using basalt wire drawing tailing as foam ceramic material of raw material and preparation method thereof - Google Patents
It is a kind of using basalt wire drawing tailing as foam ceramic material of raw material and preparation method thereof Download PDFInfo
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- CN108358655A CN108358655A CN201810251468.6A CN201810251468A CN108358655A CN 108358655 A CN108358655 A CN 108358655A CN 201810251468 A CN201810251468 A CN 201810251468A CN 108358655 A CN108358655 A CN 108358655A
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- 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
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/1315—Non-ceramic binders
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
- C04B35/6316—Binders based on silicon compounds
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
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- 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
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3817—Carbides
- C04B2235/3826—Silicon carbides
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
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- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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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
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- 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 kind of using basalt wire drawing tailing as foam ceramic material of raw material and preparation method thereof, and wherein foam ceramic material is made of using tailing after basalt wire drawing ore dressing as raw material, using silicon carbide as foaming agent, by forming agent of waterglass using powder sintering preparation process.Preparation process of the present invention is extremely simple, using solid waste as low raw-material cost, obtained foamed ceramics extrudate density, intensity, thermal coefficient can be up to state standards and building material industry standard, it provides same foam ceramic product industrialized production and prepares guidance data, which has broad based growth foreground in green heat preservation construction material and large industry equipment heat-barrier material field.
Description
Technical field
The present invention relates to a kind of using basalt wire drawing tailing as foam ceramic material of raw material and preparation method thereof.
Background technology
With China's rapid development of economy, the contradiction of the energy and environmental issue becomes increasingly conspicuous.Building energy conservation is as energy saving
The emphasis of work has obtained the great attention of people, reduces environmental pollution while its object is to reduce building energy consumption.
Northern China winter severe cold.Under extremely hot equal weather conditions of southern summer, constructional heat-insulating has become China's energy saving building research field
Hot spot, therefore novel green insulating wall material exploitation design be also Material Field research hotspot.
There is abundant basalt mineral resource distribution on the ground such as the country of China Jilin, Fujian, Shandong, Yunnan, Sichuan, therefore
Researcher is developed using basalt can be widely applied to the military projects such as aerospace, building, chemical industry, medicine, electronics, agricultural
With the basalt fibre of civil field.But it is higher to basalt ingredient requirement in the production process, such as hyperoxia in basalt
Basalt fiber performance fluctuation can be directly resulted in greatly by changing iron content or high silicon dioxide content, it is made to make it on high-end field
Extensive application be restricted.Therefore it needs to carry out ore-dressing practice to basalt wire drawing raw material, and can be left after ore-dressing practice big
Tailing is measured, but tailings glass cannot get always effective solution scheme.The present invention prepares high property using basalt wire drawing tailing
Energy foamed ceramics technique, realizes solid waste recycling.
Foamed ceramics is the third generation porous ceramics system to grow up after common porous ceramic, honeycomb porous ceramics
Product are in foam porous shape in moulding, have three-dimensional communication duct, while can be to its shape, pore size, ratio by technique
Surface area, permeability and chemical property carry out appropriate adjustment, as a kind of novel porous ceramic material with tridimensional network
Material, foamed ceramics have unit weight low, and the porosity is high, large specific surface area, good penetrability, and intensity is high, and sound insulation and heat-proof quality are excellent
Good, high temperature resistant and acid-alkali-corrosive-resisting ability are strong, and pyroconductivity is low, good in thermal shock, stable chemical performance, to gas pressure
Power loss is small, filters excellent adsorption, the function admirables such as electricity, magnetic, optics, and long lifespan regenerates many characteristics such as simple.Both at home and abroad
Scholar's technique when preparing foamed ceramics is generally complex, such as Kovarik (Materials Letters, 2017,
209.) open celled foam ceramic material is prepared using Polymeric sponge method, and foamed ceramics sample obtained by simple preparation process
Product comprehensive performance is poor if Yi-Chong Liao (Ceramics International, 2012,38,4415-4420) are with carbon
Sour sodium is foaming agent, riverbed sludge is that raw material prepares foamed ceramics, and foamed ceramics is prepared by simple sintering process, but should
Foam sample density made from preparation process is larger, minimum 0.81g/cm3, compression strength 1.07MPa.
Invention content
In order to solve the problems of above-mentioned preparation process, it is original that the present invention provides one kind with basalt wire drawing tailing
Foam ceramic material of material and preparation method thereof, it is intended to simplify foamed ceramics preparation process, reduce foam sample cost, make it
It can be in building materials field large-scale application.
Using basalt wire drawing tailing as the foam ceramic material of raw material, raw material is constituted as follows the present invention by mass fraction：
68~78 parts of basalt wire drawing tailing, 2~6 parts of silicon carbide, 15~25 parts of waterglass.
The modulus of the waterglass is 2.5.
Said ratio is the preferable proportioning that inventor is found through experiments that, is drawn as long as adjusting basalt in optional range
The proportioning of silk tailing and silicon carbide etc., can prepare the foamed ceramics for meeting national standard.It should be understood that
Since test number (TN) is limited, it is not excluded for also other feasible proportionings for being not belonging to above-mentioned optional range.
Foam ceramic material of the present invention be using tailing after basalt wire drawing ore dressing as raw material, using silicon carbide as foaming agent, with
Waterglass is made of forming agent of powder sintering preparation process.
The present invention includes the following steps using basalt wire drawing tailing as the preparation method of the foam ceramic material of raw material：
Step 1：It measures and mixes according to the ratio with silicon carbide after basalt wire drawing tailing is crushed, grinding is uniform, obtains mixture；
Step 2：Waterglass is added into step 1 gained mixture, if solid-phase material cannot be soaked fully, can be added suitable
Pure water is measured, is sufficiently mixed uniformly；
Step 3：Step 2 resulting material is injected in mold, pre-molding, is then allowed to stand ageing, finally demoulds at room temperature,
Obtain presoma；
Step 4：Gained presoma is placed in Muffle furnace and is calcined, then cools to room temperature with the furnace, you can obtains lightweight height
Strong foam ceramic thermal insulation material.
In step 1, is sieved with 100 mesh sieve after basalt wire drawing tailing comminuted powder is broken, then measure and mix according to the ratio with silicon carbide.
In step 3, still aging temperature is room temperature, and the time is 4~8h.
In step 4, calcination temperature be 1100~1150 DEG C, calcination time be 15~45min, heating rate be 6~8 DEG C/
min。
Above-mentioned optimum condition be equally inventor be found through experiments that crushing, calcining and etc. preferable execution condition,
As the variation above-mentioned condition of the change of raw material proportioning, the factors such as difference of equipment state can be adjusted neatly.
Beneficial effects of the present invention are embodied in：
1, the present invention is using widely distributed basalt wire drawing tailing as major ingredient.Basalt wire drawing tailing is former due to its production
Cause, inside have a natural hole structure, and its object is mainly mutually that non-clay minerals, the hardness such as feldspar pyroxene are relatively high, therefore
There is its natural advantage as foam ceramic material raw material.
2, the present invention using silicon carbide as foaming agent, using waterglass as forming agent, low raw-material cost, it is simple for process, be easy to
Industrialized production, therefore the preparation process can be used for the more field of materials such as heat preservation construction material and large-scale insulation industry equipment.
3, the present invention is using waterglass as forming agent, due to waterglass neutral and alkali Na2The effect of O is added same in mixed material
Sample plays the role of cosolvent.
4, the small, quality of the invention with foam ceramic samples thermal coefficient made from the less expensive better simply technique of price
Gently, intensity reaches American Society Testing and Materials ASTM higher than country and 3 times of professional standard, the performances such as thermal coefficient and intensity
The requirement of C552-14 is a kind of light high-strength heat preservation material.
Description of the drawings
Fig. 1 is foam ceramic thermal insulation material preparation flow chart of the present invention.
Fig. 2 is the pictorial diagram of 1 gained foam ceramic thermal insulation material of the embodiment of the present invention.
Fig. 3 is the XRD diagram of 1 gained foam ceramic thermal insulation material of the embodiment of the present invention and basalt wire drawing tailing raw material.
Specific implementation mode
Elaborate below to the embodiment of the present invention, following embodiments under based on the technical solution of the present invention into
Row is implemented, and gives detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following realities
Apply example.
Basalt wire drawing tailing raw material used in following embodiments is derived from Tonghua, Jilin Province city Liuhe basalt wire drawing tailing, institute
It is the industrial-grade sodium silicate of number 2.5 of rubbing with waterglass；Silicon carbide foaming agent used is 99% purity.
Embodiment 1：
It is constituted such as by mass fraction using basalt wire drawing tailing as the raw material of the foam ceramic material of raw material in the present embodiment
Under：
74 parts of basalt wire drawing tailing, 3.5 parts of silicon carbide, 22 parts of waterglass.Specifically, basalt wire drawing tailing quality is
50g。
It is as follows using basalt wire drawing tailing as the preparation method of the foam ceramic material of raw material in the present embodiment：
1, basalt wire drawing tailing being crushed and is sieved with 100 mesh sieve, then measured and mix according to the ratio with silicon carbide, grinding is uniform,
Obtain mixture；
2, waterglass is added into step 1 gained mixture, is sufficiently mixed uniformly；
3, step 2 resulting material is injected in mold, at room temperature pre-molding, then the still aging 6h of room temperature, finally takes off
Mould obtains presoma；
4, gained presoma is placed in Muffle furnace, is warming up to 750 DEG C first and keeps the temperature 20min, then proceed to be warming up to
1100 DEG C and 45min is kept the temperature, then cools to room temperature with the furnace, you can obtain high-strength light foam ceramic thermal insulation material.
Fig. 2 and Fig. 3 is respectively the pictorial diagram and XRD diagram of foam ceramic thermal insulation material obtained by the present embodiment.
Embodiment 2：
It is constituted such as by mass fraction using basalt wire drawing tailing as the raw material of the foam ceramic material of raw material in the present embodiment
Under：
74 parts of basalt wire drawing tailing, 6 parts of silicon carbide, 22 parts of waterglass.Specifically, basalt wire drawing tailing quality is
50g。
The preparation method is the same as that of Example 1 in the present embodiment.
Embodiment 3：
It is constituted such as by mass fraction using basalt wire drawing tailing as the raw material of the foam ceramic material of raw material in the present embodiment
Under：
74 parts of basalt wire drawing tailing, 3.5 parts of silicon carbide, 17 parts of waterglass.Specifically, basalt wire drawing tailing quality is
50g。
The preparation method is the same as that of Example 1 in the present embodiment.
Embodiment 4：
It is constituted such as by mass fraction using basalt wire drawing tailing as the raw material of the foam ceramic material of raw material in the present embodiment
Under：
74 parts of basalt wire drawing tailing, 3.5 parts of silicon carbide, 25 parts of waterglass.Specifically, basalt wire drawing tailing quality is
50g。
The preparation method is the same as that of Example 1 in the present embodiment.
Comparative example 1：
It is constituted such as by mass fraction using basalt wire drawing tailing as the raw material of the foam ceramic material of raw material in the present embodiment
Under：
74 parts of basalt wire drawing tailing, 3.5 parts of silicon carbide, 8 parts of waterglass.Specifically, basalt wire drawing tailing quality is
50g。
The preparation method is the same as that of Example 1 in the present embodiment.
Comparative example 2：
It is constituted such as by mass fraction using basalt wire drawing tailing as the raw material of the foam ceramic material of raw material in the present embodiment
Under：
74 parts of basalt wire drawing tailing, 10 parts of silicon carbide, 22 parts of waterglass.Specifically, basalt wire drawing tailing quality is
50g。
The preparation method is the same as that of Example 1 in the present embodiment.
The performance for the foam ceramic material that the various embodiments described above and comparative example are obtained is as shown in table 1, U.S. material test
Performance in association criterion ASTMC552-14 is as shown in table 2, properties of sample in chinese national standard GB/T 33500-2017.
Table 1
Table 2
Table 3
It is tested by the performance to the foam ceramic thermal insulation material obtained in the various embodiments described above, and test is tied
Fruit is compared with the performance in ASTM C552-14 and GB/T 33500-2017, it is found that prepared by the above various embodiments
Made of foamed ceramics compression strength and thermal coefficient all reach the standard in ASTM C552-14, and the preparation process
The twice national standard sample compression strength of foam ceramic samples compression strength of preparation.In addition, by comparative example 1 it is found that water is added
Sample cannot fully soften at 1100 DEG C when glass weight part is less, therefore in the silicon carbide foaming agent item of same parts by weight
Under part, presoma cannot fully foam, and sample thermal coefficient and density is made to increase, and compression strength also increases therewith；By comparing
Example 2 is it is found that when excessive foaming agent silicon carbide is added, a large amount of Bubble aggregations of presoma make forerunner's volume density drastically subtract
It is small, and since the appearance of intercommunicating pore makes foam sample thermal coefficient be consequently increased, while foam sample compression strength obviously drops
It is low.Therefore waterglass parts by weight are very few and the excessively high obtained properties of product of foaming agent silicon carbide parts by weight cannot reach national standard and want
It asks.
It these are only exemplary embodiment of the present invention, be not intended to limit the invention, all spirit in the present invention
With within principle made by all any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of using basalt wire drawing tailing as the foam ceramic material of raw material, it is characterised in that its raw material is constituted by mass fraction
It is as follows：
68~78 parts of basalt wire drawing tailing, 2~6 parts of silicon carbide, 15~25 parts of waterglass.
2. foam ceramic material according to claim 1, it is characterised in that：
The modulus of the waterglass is 2.5.
3. it is a kind of as claimed in claim 1 or 2 using basalt wire drawing tailing as the preparation method of the foam ceramic material of raw material,
It is characterized in that including the following steps：
Step 1：It measures and mixes according to the ratio with silicon carbide after basalt wire drawing tailing is crushed, grinding is uniform, obtains mixture；
Step 2：Waterglass is added into step 1 gained mixture, if solid-phase material cannot be soaked fully, can be added appropriate pure
Water purification is sufficiently mixed uniformly；
Step 3：Step 2 resulting material is injected in mold, pre-molding, is then allowed to stand ageing, finally demoulds, obtain at room temperature
Presoma；
Step 4：Gained presoma is placed in Muffle furnace and is calcined, then cools to room temperature with the furnace, you can obtains high-strength light bubble
Foam ceramic thermal insulation material.
4. preparation method according to claim 3, it is characterised in that：
In step 1, is sieved with 100 mesh sieve after basalt wire drawing tailing comminuted powder is broken, then measure and mix according to the ratio with silicon carbide.
5. preparation method according to claim 3, it is characterised in that：
In step 3, still aging temperature is room temperature, and the time is 4~8h.
6. preparation method according to claim 3, it is characterised in that：
In step 4, calcination temperature is 1100~1150 DEG C, and calcination time is 15~45min.
7. preparation method according to claim 3, it is characterised in that：
Heating rate is 6~8 DEG C/min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109721334A (en) * | 2019-02-27 | 2019-05-07 | 北京科技大学 | A method of foamed ceramics is prepared using inorganic building waste |
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| CN103253961A (en) * | 2013-06-05 | 2013-08-21 | 江苏华东尾矿治理工程有限公司 | Foamed ceramic material and preparation method thereof |
| CN105819890A (en) * | 2016-04-21 | 2016-08-03 | 哈尔滨时代创新科技发展有限公司 | Foamed basalt environment-friendly sound-insulation material and manufacturing method thereof |
| CN105924128A (en) * | 2016-04-21 | 2016-09-07 | 哈尔滨时代创新科技发展有限公司 | Foamed basalt material and manufacturing method thereof |
| CN106146024A (en) * | 2016-08-04 | 2016-11-23 | 陕西科技大学 | A kind of preparation method of basalt porous insulation material |
| CN107602147A (en) * | 2017-09-12 | 2018-01-19 | 哈尔滨时代创新科技发展有限公司 | Foam basalt thermal insulation material and preparation method thereof |
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2018
- 2018-03-26 CN CN201810251468.6A patent/CN108358655B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253961A (en) * | 2013-06-05 | 2013-08-21 | 江苏华东尾矿治理工程有限公司 | Foamed ceramic material and preparation method thereof |
| CN105819890A (en) * | 2016-04-21 | 2016-08-03 | 哈尔滨时代创新科技发展有限公司 | Foamed basalt environment-friendly sound-insulation material and manufacturing method thereof |
| CN105924128A (en) * | 2016-04-21 | 2016-09-07 | 哈尔滨时代创新科技发展有限公司 | Foamed basalt material and manufacturing method thereof |
| CN106146024A (en) * | 2016-08-04 | 2016-11-23 | 陕西科技大学 | A kind of preparation method of basalt porous insulation material |
| CN107602147A (en) * | 2017-09-12 | 2018-01-19 | 哈尔滨时代创新科技发展有限公司 | Foam basalt thermal insulation material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109721334A (en) * | 2019-02-27 | 2019-05-07 | 北京科技大学 | A method of foamed ceramics is prepared using inorganic building waste |
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