CN106277924A - A kind of is the method for artificial stone by barite waste residue low-temperature sintering - Google Patents
A kind of is the method for artificial stone by barite waste residue low-temperature sintering Download PDFInfo
- Publication number
- CN106277924A CN106277924A CN201610654933.1A CN201610654933A CN106277924A CN 106277924 A CN106277924 A CN 106277924A CN 201610654933 A CN201610654933 A CN 201610654933A CN 106277924 A CN106277924 A CN 106277924A
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- China
- Prior art keywords
- waste residue
- barite
- artificial stone
- sintering
- powder
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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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/54—Substitutes for natural stone, artistic materials or the like
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Glass Compositions (AREA)
Abstract
The invention provides a kind of is the method for artificial stone by barite waste residue low-temperature sintering.Barite extracts the waste residue that barium sulfate produces, and to be milled to granularity by milling equipment be more than 300 mesh, is mixed according to mass percent 75 ~ 90% to 10 ~ 25% ball milling with glass powder with low melting point by levigate waste residue powder subsequently；Then use polyvinyl alcohol water solution that mixed-powder is carried out pelletize, under 50 ~ 100 MPa, after pelletize, be pressed into crude green body sample；Finally crude green body sample is sintered in air atmosphere at 500 ~ 700 DEG C, after cooling, i.e. obtain artificial stone sample.Waste residue after barite extracts barium sulfate has higher intensity after above-mentioned low-temperature sintering, can use as the artificial stone of building field.
Description
Technical field
The present invention relates to a kind of barite extract the method that waste residue low-temperature sintering is artificial stone after barium sulfate, belong to solid
Body waste material regeneration field.
Background technology
Barite is a kind of critically important nonmetallic ore raw material, and aboundresources is widely distributed.Main chemical compositions sulphuric acid
Barium has industrial use widely.Industry at present produces barium sulfate and is mainly extraction from barite, but this kind produces sulfur
The method of acid barium creates substantial amounts of slag.The slag of these enormous amount is arbitrarily abandoned and without any further place
Reason.Substantial amounts of waste residue causes serious environmental pollution, and therefore, recovery and the utilization of barite waste residue have become in the urgent need to address
Problem.
" the hi-tech industrialization weight of current preference development of issue is combined as far back as State Planning Commission in 1999 and the Ministry of Science and Technology
Point field guide " the 55th just points out: " recent industrialization it is important that: select composite material of waste ... ".2007
Year National Development and Reform Committee and the Department of Science and Technology combine " industrialization of new high-technology major fields guide of current preference development " the 119th of issue
Still point out in Xiang: " utilizing industrial solid castoff to produce composite ... ".As can be seen here, it is viscous for utilizing glass powder with low melting point
Barite waste residue is sintered to high-intensity artificial stone this kind of inorganic non-metallic base composite-material product and gives up as this kind of solid by knot agent
Waste resource utilizes technology to meet the development strategy of country.
Summary of the invention
It is an object of the invention to provide a kind of is the method for artificial stone by barite waste residue low-temperature sintering, can be with efficient solution
Environmental pollution and problem of resource waste produced by waste sludge discharge after certainly barite extracts barium sulfate.
The present invention is achieved through the following technical solutions:
One, barite extracts the waste residue that barium sulfate produces, and to be milled to granularity by milling equipment be more than 300 mesh；
Two, it is the eutectic of 10 ~ 25% according to mass percent 75 ~ 90% with mass percent by the waste residue powder obtained by step one
The ball milling mixing in planetary ball mill of some glass dust；
Three, by water-soluble with the polyvinyl alcohol that 8 ~ 15 gram mass percent concentrations are 5% for the mixed-powder 100 grams that obtains in step 2
Liquid is binding agent, obtains plastic particle by 60 mesh sub-sieves after grinding uniformly；
Four, the plastic particle obtained in step 3 is put in mould, under 50 ~ 100 MPa, be pressed into crude green body sample；
Five, crude green body sample after heat preservation sintering a period of time, is cooled to room temperature and i.e. obtains artificial stone under uniform temperature and atmosphere
Sample.
Further, the glass powder with low melting point used in described step 2 is Bi2O3-B2O3-ZnO system glass powder with low melting point,
Mean diameter is 1.44 microns, and fusion temperature is 450 DEG C；Or Bi2O3-B2O3-SiO2Being glass powder with low melting point, mean diameter is
1.44 microns, fusion temperature is 590 DEG C；Or BaO-ZnO-B2O3Being glass powder with low melting point, mean diameter is 2.12 microns, fusing
Temperature is 650 DEG C.
Further, the sintering schedule in step 5 is to be warmed up to 250 DEG C with the heating rate of 100 DEG C/h and protect
Temperature 2 hours；Then continue to be warmed up to 500 ~ 700 DEG C with the heating rate of 200 DEG C/h, be incubated 1 ~ 3 hour；Sintering atmosphere
For air atmosphere；The type of cooling is with stove natural cooling.
Waste residue after barite extracts barium sulfate has higher intensity after above-mentioned low-temperature sintering, can be as building field
Artificial stone use.
The invention have the advantage that technical process is simple, equipment requirements is low, uses without organic reagent and discharges, and pollutes little, useless
Slag content in artificial stone is high, and utilization rate is high.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment 1: barite extracts the waste residue that barium sulfate produces, and to be milled to granularity by milling equipment be more than 300 mesh；
It is the Bi of 10% according to percent mass 90% with mass percent by levigate waste residue powder2O3-B2O3-ZnO system glass powder with low melting point
Ball milling mixing in planetary ball mill；Take the mixed-powder 100 grams polyvinyl alcohol water that 10 gram mass percent concentrations are 5%
Solution is binding agent, obtains plastic particle by 60 mesh sub-sieves after grinding uniformly；Plastic particle is put in mould, 100
Crude green body sample it is pressed under MPa；Crude green body sample is warmed up to 250 DEG C with the heating rate of 100 DEG C/h in air atmosphere
And it is incubated 2 hours；Then continue to be warmed up to 500 DEG C with the heating rate of 200 DEG C/h, the coldest with stove after being incubated 2 hours
But, it is cooled to room temperature and i.e. obtains artificial stone sample.Survey according to ceramic material compressive strength test method (GB/T 4740-1999)
The comprcssive strength of test agent, its value is 55.9 MPa.According to ceramic material anti-reflecting bending strength test method (GB/T 4741-1999)
The bending strength of test compound material sample, its value is 28.3 MPa.
Embodiment 2: barite extracts the waste residue that barium sulfate produces, and to be milled to granularity by milling equipment be more than 300 mesh；
It is the Bi of 10% according to percent mass 90% with mass percent by levigate waste residue powder2O3-B2O3-SiO2It it is glass powder with low melting point
Ball milling mixing in planetary ball mill；Take the mixed-powder 100 grams polyvinyl alcohol water that 10 gram mass percent concentrations are 5%
Solution is binding agent, obtains plastic particle by 60 mesh sub-sieves after grinding uniformly；Plastic particle is put in mould, 50
Crude green body sample it is pressed under MPa；Crude green body sample is warmed up to 250 DEG C with the heating rate of 100 DEG C/h in air atmosphere
And it is incubated 2 hours；Then continue to be warmed up to 650 DEG C with the heating rate of 200 DEG C/h, be incubated 2 hours；Sintering atmosphere is
Air atmosphere；The type of cooling is with stove natural cooling, is cooled to room temperature and i.e. obtains artificial stone sample.According to the side in embodiment 1
The comprcssive strength of method test sample and bending strength, respectively 57.3 MPa and 27.5 MPa.
Embodiment 3: barite extracts the waste residue that barium sulfate produces, and to be milled to granularity by milling equipment be more than 300 mesh；
It is the BaO-ZnO-B of 10% according to percent mass 90% with mass percent by levigate waste residue powder2O3It is that glass powder with low melting point exists
Ball milling mixing in planetary ball mill；Take mixed-powder 100 grams water-soluble with the polyvinyl alcohol that 10 gram mass percent concentrations are 5%
Liquid is binding agent, obtains plastic particle by 60 mesh sub-sieves after grinding uniformly；Plastic particle is put in mould, at 50 MPa
Under be pressed into crude green body sample；Crude green body sample is warmed up to 250 DEG C also with the heating rate of 100 DEG C/h in air atmosphere
It is incubated 2 hours；Then continue to be warmed up to 700 DEG C with the heating rate of 200 DEG C/h, be incubated 2 hours；Sintering atmosphere is empty
Gas atmosphere；The type of cooling is with stove natural cooling, is cooled to room temperature and i.e. obtains artificial stone sample.According to the method in embodiment 1
The comprcssive strength of test sample and bending strength, respectively 55.1 MPa and 27.9 MPa.
Embodiment 4: barite extracts the waste residue that barium sulfate produces, and to be milled to granularity by milling equipment be more than 300 mesh；
It is the Bi of 10% according to percent mass 90% with mass percent by levigate waste residue powder2O3-B2O3-ZnO system glass powder with low melting point
Ball milling mixing in planetary ball mill；Take the mixed-powder 100 grams polyvinyl alcohol water that 10 gram mass percent concentrations are 5%
Solution is binding agent, obtains plastic particle by 60 mesh sub-sieves after grinding uniformly；Plastic particle is put in mould, 100
Crude green body sample it is pressed under MPa；Crude green body sample is warmed up to 250 DEG C with the heating rate of 100 DEG C/h in air atmosphere
And it is incubated 2 hours；Then continue to be warmed up to 500 DEG C with the heating rate of 200 DEG C/h, be incubated 1 hour；Sintering atmosphere is
Air atmosphere；The type of cooling is with stove natural cooling, is cooled to room temperature and i.e. obtains artificial stone sample.According to the side in embodiment 1
The comprcssive strength of method test sample and bending strength, respectively 58.5 MPa and 30.8 MPa.
Embodiment 5: barite extracts the waste residue that barium sulfate produces, and to be milled to granularity by milling equipment be more than 300 mesh；
It is the Bi of 8% according to percent mass 92% with mass percent by levigate waste residue powder2O3-B2O3-ZnO system glass powder with low melting point
Ball milling mixing in planetary ball mill；Take the mixed-powder 100 grams polyvinyl alcohol water that 10 gram mass percent concentrations are 5%
Solution is binding agent, obtains plastic particle by 60 mesh sub-sieves after grinding uniformly；Plastic particle is put in mould, 100
Crude green body sample it is pressed under MPa；Crude green body sample is warmed up to 250 DEG C with the heating rate of 100 DEG C/h in air atmosphere
And it is incubated 2 hours；Then continue to be warmed up to 500 DEG C with the heating rate of 200 DEG C/h, be incubated 1 hour；Sintering atmosphere is
Air atmosphere；The type of cooling is with stove natural cooling, is cooled to room temperature and i.e. obtains artificial stone sample.According to the side in embodiment 1
The comprcssive strength of method test sample and bending strength, respectively 55.7 MPa and 28.8 MPa.
Claims (3)
1. barite waste residue low-temperature sintering is the method for artificial stone by one kind, it is characterised in that method step is:
One, barite extracts the waste residue that barium sulfate produces, and to be milled to granularity by milling equipment be more than 300 mesh；
Two, it is the eutectic of 10 ~ 25% according to mass percent 75 ~ 90% with mass percent by the waste residue powder obtained by step one
The ball milling mixing in planetary ball mill of some glass dust；
Three, by water-soluble with the polyvinyl alcohol that 8 ~ 15 gram mass percent concentrations are 5% for the mixed-powder 100 grams that obtains in step 2
Liquid is binding agent, obtains plastic particle by 60 mesh sub-sieves after grinding uniformly；
Four, the plastic particle obtained in step 3 is put in mould, under 50 ~ 100 MPa, be pressed into crude green body sample；
By crude green body sample according to certain sintering schedule sintering, it is cooled to room temperature and i.e. obtains artificial stone sample.
2. barite waste residue low-temperature sintering is the method for artificial stone by a kind of described in claim 1, it is characterised in that: step 2
The glass powder with low melting point of middle use is Bi2O3-B2O3-ZnO system glass powder with low melting point, mean diameter is 1.44 microns, fusion temperature
It it is 450 DEG C；Or Bi2O3-B2O3-SiO2Being glass powder with low melting point, mean diameter is 1.44 microns, and fusion temperature is 590 DEG C；Or
BaO-ZnO-B2O3Being glass powder with low melting point, mean diameter is 2.12 microns, and fusion temperature is 650 DEG C.
3. barite waste residue low-temperature sintering is the method for artificial stone by a kind of described in claim 1, it is characterised in that: step 5
In sintering schedule be to be warmed up to 250 DEG C with the heating rate of 100 DEG C/h and be incubated 2 hours；Then with 200 DEG C/little
Time heating rate continue to be warmed up to 500 ~ 700 DEG C, be incubated 1 ~ 3 hour；Sintering atmosphere is air atmosphere；The type of cooling be with
Stove natural cooling.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610654933.1A CN106277924B (en) | 2016-08-11 | 2016-08-11 | A kind of method by barite waste residue low-temperature sintering for artificial stone |
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|---|---|---|---|
| CN201610654933.1A CN106277924B (en) | 2016-08-11 | 2016-08-11 | A kind of method by barite waste residue low-temperature sintering for artificial stone |
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| CN106277924A true CN106277924A (en) | 2017-01-04 |
| CN106277924B CN106277924B (en) | 2018-03-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107879715A (en) * | 2017-11-22 | 2018-04-06 | 枣庄市博源人造石有限公司 | A kind of preparation method of modified marble powder low-temperature sintering artificial stone |
| CN111592290A (en) * | 2020-05-30 | 2020-08-28 | 宋宏敏 | Single-component anti-radiation special mortar |
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| JPS5146321A (en) * | 1974-10-18 | 1976-04-20 | Kogyo Gijutsuin | Keiryokenzaino seizoho |
| CN103482958A (en) * | 2013-09-03 | 2014-01-01 | 金正敏 | Manufacturing method of radiation-resistant architectural ceramic |
| CN103739275A (en) * | 2013-02-07 | 2014-04-23 | 贵州省建筑材料科学研究设计院 | Flotation barite mine tailing sintered wall material and preparation method thereof |
| CN105236783A (en) * | 2015-10-10 | 2016-01-13 | 南风化工集团股份有限公司 | Barium sulfate waste residue comprehensive utilization method and wall filling material |
| CN104446358B (en) * | 2014-11-11 | 2016-04-13 | 贵州省工业固体废弃物综合利用（建材）工程技术研究中心 | A kind of barium slag vitrified brick and preparation method thereof |
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2016
- 2016-08-11 CN CN201610654933.1A patent/CN106277924B/en active Active
Patent Citations (5)
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| JPS5146321A (en) * | 1974-10-18 | 1976-04-20 | Kogyo Gijutsuin | Keiryokenzaino seizoho |
| CN103739275A (en) * | 2013-02-07 | 2014-04-23 | 贵州省建筑材料科学研究设计院 | Flotation barite mine tailing sintered wall material and preparation method thereof |
| CN103482958A (en) * | 2013-09-03 | 2014-01-01 | 金正敏 | Manufacturing method of radiation-resistant architectural ceramic |
| CN104446358B (en) * | 2014-11-11 | 2016-04-13 | 贵州省工业固体废弃物综合利用（建材）工程技术研究中心 | A kind of barium slag vitrified brick and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107879715A (en) * | 2017-11-22 | 2018-04-06 | 枣庄市博源人造石有限公司 | A kind of preparation method of modified marble powder low-temperature sintering artificial stone |
| CN111592290A (en) * | 2020-05-30 | 2020-08-28 | 宋宏敏 | Single-component anti-radiation special mortar |
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| Publication number | Publication date |
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| CN106277924B (en) | 2018-03-20 |
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