CN106495733A - Bamboo charcoal composite diatomite ceramic material and preparation method thereof - Google Patents

Bamboo charcoal composite diatomite ceramic material and preparation method thereof Download PDF

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Publication number
CN106495733A
CN106495733A CN201610910555.9A CN201610910555A CN106495733A CN 106495733 A CN106495733 A CN 106495733A CN 201610910555 A CN201610910555 A CN 201610910555A CN 106495733 A CN106495733 A CN 106495733A
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parts
bamboo
kieselguhr
ceramic material
slurry
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李彬
赵明星
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Huzhou University
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Huzhou University
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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
    • C04B38/009—Porous or hollow ceramic granular materials, e.g. microballoons
    • 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
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
    • 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
    • C04B35/622—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
    • C04B35/632—Organic additives
    • C04B35/634—Polymers
    • 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
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80—Fibres, filaments, whiskers, platelets, 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
    • 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
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5216—Inorganic
    • C04B2235/524—Non-oxidic, e.g. borides, carbides, silicides or nitrides
    • C04B2235/5248—Carbon, e.g. graphite
    • 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)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

The present invention relates to a kind of bamboo charcoal macaloid bentonite composite ceramic material and preparation method thereof.The bamboo charcoal composite diatomite ceramic material is prepared from by the raw material of following weight portion：10 90 parts of bamboo powder, 10 90 parts of kieselguhr, 5 20 parts of water soluble polymer binding agent.Its preparation method includes：(1) bamboo powder is dried 12 hours at 60 80 DEG C, crosses 200 mesh sieves；(2) by the drying 12 hours of 60 80 DEG C of kieselguhr, 200 mesh sieves are crossed；(3) by water soluble polymer binding agent 5 20 parts mix with 100 110 parts of water, fully dissolve；(4) 10 90 parts of bamboo powder, the ratio of 10 90 parts of kieselguhr are mixed to get in the solution of step (3) gained, obtain mixture；(5) by mixture ball milling, slurry is obtained, slurry is placed in removing bubble in vacuum；(6) slurry is stood granulating and forming after ripening；(7) green compact to be heated up room temperature is cooled to after firing.Preparation process of the present invention is economic and environment-friendly, can prepare that hole is more, specific surface area big, the ceramic material of high adsorption capacity.

Description

Bamboo charcoal composite diatomite ceramic material and preparation method thereof
Technical field
The invention belongs to bamboo charcoal composite diatomite ceramic processing technique field, more particularly to a kind of bamboo charcoal macaloid bentonite Composite ceramic material and preparation method thereof.
Background technology
Kieselguhr is a kind of siliceous rock, is a kind of biogenic silicastone, and it is mainly by the something lost of ancient times diatom The bones of the body are constituted.Its chemical composition is with SiO2Based on natural porous material with silicon dioxide as bulk composition, with chemically stable The series of advantages such as the good, specific surface area of property is high.
Bamboo charcoal is a kind of outstanding adsorbing material, have the advantages that hole is more, specific surface area big, high adsorption capacity, and Bamboo charcoal raw material bamboo trophophase is short, abundance, makes bamboo charcoal be widely used in the fields such as water process and air filtration.Application number Innovation and creation for 201410500179.7 disclose a kind of Zero-valent Iron cladding bamboo charcoal base porous ceramic grain and preparation method thereof and answer With which is with α-Al2O3Powder is haydite main aggregate, and clay and bentonite are secondary aggregate, and the bamboo scraps after surface activation process are bamboo Charcoal prepares material and carries out combination drilling with pore creating material, need not add sintering aid or binding agent, adopts and divide at 400～600 DEG C Level sintering disposal molding obtains bamboo charcoal base porous ceramic grain, then coats process by the reduction of covering material, Zero-valent Iron is obtained Cladding bamboo charcoal Quito hole ceramic product.The program is to flue gas, heavy metal wastewater thereby, phenol wastewater, emulsifiable oil waste water, print paper money and print The bio-refractory waste gas such as dye waste water and water treatment effect are good.But its complicated component, processing technique are complicated, processing cost Higher.
Content of the invention
It is an object of the invention to overcoming the deficiencies in the prior art, there is provided a kind of bamboo charcoal composite diatomite ceramic material and its Preparation method, its have stronger absorbability advantages of higher compressive strength, and processing technology is simple and environmentally-friendly.
To achieve these goals, technical scheme is as follows：A kind of bamboo charcoal composite diatomite ceramic material, by under The raw material of row weight portion is prepared from：Bamboo powder 10-90 parts, kieselguhr 10-90 parts, water soluble polymer binding agent 5-20 parts.
Used as the scheme for optimizing, the bamboo charcoal composite diatomite ceramic material is prepared from by the raw material of following weight portion：Bamboo 40 parts of powder, 50 parts of kieselguhr, 5 parts of water soluble polymer binding agent.
The preparation method of the bamboo charcoal composite diatomite ceramic material is comprised the following steps：
(1) bamboo powder is dried 1-2 hours at 60-80 DEG C, crosses 200 mesh sieves；
(2) by 60-80 DEG C of drying 1-2 hour of kieselguhr, 200 mesh sieves are crossed；
(3) water soluble polymer binding agent 5-20 parts are mixed with 100-110 part water, is fully dissolved；
(4) raw material obtained after sieving is mixed to get step (3) in the ratio of bamboo powder 10-90 parts, kieselguhr 10-90 parts In the solution of gained, mixed liquor is obtained；
(5) by mixed liquor ball milling, slurry is obtained, slurry is placed in removing bubble in vacuum；
(6) slurry after bubble will be removed, stands ripening 12-24 hours, be subsequently poured into extruded type granulator granulation molding, Obtain granule green compact；
(7) green compact are dried 4-6 hours at 90-110 DEG C, then under inert gas shielding, first with the speed of 3 DEG C/min Heat up, when temperature is raised to 600 DEG C；Heated up with the speed of 5 DEG C/min again, when temperature is raised to 1000 DEG C, be incubated 2 hours；Then stop Only heat, furnace cooling is to room temperature, you can.
In prior art, in the Related product containing bamboo and kieselguhr composition, bamboo typically first char after again Sinter with kieselguhr and other compositions, and the present invention be to sinter kieselguhr and the bamboo powder without carbonization simultaneously, only with three kinds into Point, on the premise of not needing other compositions to add, prepared that hole is more, specific surface area greatly, the pottery of high adsorption capacity Material, and with higher comprcssive strength.Bamboo powder good dispersion, broken in sintering process, easy spontaneous activation so as to have Large specific surface area., by bamboo carbon fiber monomer and bamboo carbon fiber Shu Zucheng, during ceramic post sintering, raw bamboo fiber is broken for bamboo powder In flakes, bamboo fibre fragment intermeshes under the bonding effect of other materials support, forms complicated stereochemical structure, fills in structure Full hole, so with larger porosity.Bamboo powder is used as Ceramic Material and also there is the effect for serving as ceramic skeleton, to a certain degree On enhance ceramics strength.Another outstanding advantages of the application are：Processing technique is simple, and sintering process realizes self-activation effect, The step of eliminating chemistry for activation activated carbon, production process are not related to other environmentally hazardous substances, i.e., economic environmental protection again.
Description of the drawings
Electron microscopes of the Fig. 1 for bamboo powder, through electron microscopic observation in figure, bamboo powder is mainly made up of bamboo filament fibre and bamboo filament fibre beam, Wherein bamboo filament fibre monomer diameter scope is about 10-20 microns, and length range is about 20-500 microns, and bamboo filament fibre beam diameter is big Part is distributed in 25-100 micrometer ranges, and length range is about 50-300 microns, separately has a small amount of bamboo fibre chip length to be less than 20 Micron.
Fig. 2 diatomite material electron microscopes.
Electron microscopes of the Fig. 3 for composite ceramic material powder, in figure, bamboo carbon fiber is broken fully, and fragment and kieselguhr bond structure The loose structure of complexity has been built, larger porosity and specific surface area has been caused, while bamboo carbon fibre fragment intermeshes, space Upper support mutually, has potentiation to intensity.
Fig. 4 is the electron microscope of bamboo carbon fiber fragment in composite ceramic material powder, and in figure, bamboo carbon fibre fragment has significantly Complicated multi-plane structure, increased specific surface area, increase absorbability, it was demonstrated that fully, fibre debris activity is high for bamboo charcoal activation.
Specific embodiment
Embodiment 1
A kind of bamboo charcoal composite diatomite ceramic material, is prepared from by the raw material of following weight portion：Bamboo powder 10-90 parts, silicon Diatomaceous earth 10-90 part, water soluble polymer binding agent 5-20 parts.
In the present embodiment, its proportioning is：40 parts of bamboo powder, 60 parts of kieselguhr, 5 parts of water soluble polymer binding agent.Bamboo powder Electron microscope as shown in figure 1, the electron microscope of diatomite material is as shown in Figure 2.
The preparation method of the bamboo charcoal composite diatomite ceramic material is comprised the following steps：
(1) bamboo powder is dried 1-2 hours at 60-80 DEG C, crosses 200 mesh sieves；
(2) by 60-80 DEG C of drying 1-2 hour of kieselguhr, 200 mesh sieves are crossed；
(3) by water soluble polymer binding agent 5 parts mix with 100 parts of water, fully dissolve；
(4) raw material obtained after sieving is mixed to get step (3) gained in the ratio of 40 parts of bamboo powder, 60 parts of kieselguhr In solution, mixture is obtained；
(5) by mixture ball milling, slurry is obtained, slurry is placed in removing bubble in vacuum；
(6) slurry after bubble will be removed, stands ripening 12-24 hours, be subsequently poured into extruded type granulator granulation molding, Obtain granule green compact；
(7) green compact are dried 4-6 hours at 90-110 DEG C, then under inert gas shielding, first with the speed of 3 DEG C/min Heat up, when temperature is raised to 600 DEG C；Heated up with the speed of 5 DEG C/min again, when temperature is raised to 1000 DEG C, be incubated 2 hours；Then stop Only heat, furnace cooling is to room temperature, you can.
After testing, the performance parameter of the product that the present embodiment is prepared is as follows：
Specific surface area is more than 100m2/g；Comprcssive strength is more than 10Mpa；Porosity is more than 65%, rate of filtration 30ml/ hr.cm2(height of water 300mm).
The product of gained is pulverized last, electric Microscopic observation, electron microscopes of the Fig. 3 for composite ceramic material powder, Fig. 4 Electron microscope for bamboo carbon fiber fragment in composite ceramic material powder.
Application example：
1. take 10g or so ceramic particles to load in the high about 50cm glass tubings of 50ml, lower end is blocked out with a small amount of glass fibre Mouthful.
2. 20mg/L Cr VI titers being prepared, and glass tubing at the uniform velocity being added above the mouth of pipe, coutroi velocity does not make to overflow Go out, under the mouth of pipe, filtrate is accepted with clean beaker.
3. after being continuously added to 200ml Cr VI titers, liquid basic flow to be filtered is net, sampling.
4. filtrate hexavalent chromium concentration is surveyed with diphenylcarbazide method, and calculate clearance.
As a result：Experiment is repeated several times, chromic effective clearance is obtained between 90% to 100%.
Embodiment 2
A kind of bamboo charcoal bentonite composite ceramic material, is prepared from by the raw material of following weight portion：Bamboo powder 10-90 parts, silicon Diatomaceous earth 10-90 part, water soluble polymer binding agent 5-20 parts.
In the present embodiment, its proportioning is：20 parts of bamboo powder, 70 parts of kieselguhr, 10 parts of water soluble polymer binding agent.
Prepare and experimental technique is with reference to embodiment 1.
After testing, the performance parameter of the product that the present embodiment is prepared is as follows：
Specific surface area is more than 80m2/g；Comprcssive strength is more than 11Mpa；Porosity is more than 60%, rate of filtration 28ml/ hr.cm2(height of water 300mm).Chromic effective clearance is between 85% to 95%.
It can be seen that, increasing kieselguhr ratio, product hardness increased, and reduce bamboo powder ratio, and absorbability has declined.
Embodiment 3
A kind of bamboo charcoal bentonite composite ceramic material, is prepared from by the raw material of following weight portion：Bamboo powder 10-90 parts, silicon Diatomaceous earth 10-90 part, water soluble polymer binding agent 5-20 parts.
In the present embodiment, its proportioning is：60 parts of bamboo powder, 40 parts of kieselguhr, 20 parts of water soluble polymer binding agent.
Prepare and experimental technique is with reference to embodiment 1.
After testing, the performance parameter of the product that the present embodiment is prepared is as follows：
Specific surface area is more than 110m2/g；Comprcssive strength is more than 5Mpa；Porosity is more than 70%, rate of filtration 35ml/ hr.cm2(height of water 300mm).Chromic effective clearance is between 95% to 100%.
It can be seen that, reducing kieselguhr ratio, product hardness has reduced, and increases bamboo powder ratio, and absorbability increased.

Claims (3)

1. a kind of bamboo charcoal composite diatomite ceramic material, it is characterised in that：It is prepared from by the raw material of following weight portion：Bamboo powder 10-90 parts, kieselguhr 10-90 parts, water soluble polymer binding agent 5-20 parts.
2. bamboo charcoal composite diatomite ceramic material as claimed in claim 1, it is characterised in that：Raw material system by following weight portion Standby form：40 parts of bamboo powder, 50 parts of kieselguhr, 5 parts of water soluble polymer binding agent.
3. a kind of preparation method of bamboo charcoal composite diatomite ceramic material, it is characterised in that：Comprise the following steps：
(1) bamboo powder is dried 1-2 hours at 60-80 DEG C, crosses 200 mesh sieves；
(2) by 60-80 DEG C of drying 1-2 hour of kieselguhr, 200 mesh sieves are crossed；
(3) water soluble polymer binding agent 5-20 parts are mixed with 100-110 part water, is fully dissolved；
(4) raw material obtained after sieving is mixed to get step (3) gained in the ratio of bamboo powder 10-90 parts, kieselguhr 10-90 parts Solution in, obtain mixture；
(5) by mixture ball milling, slurry is obtained, slurry is placed in removing bubble in vacuum；
(6) slurry after bubble will be removed, stands ripening 12-24 hours, be subsequently poured into extruded type granulator granulation molding, obtain Granule green compact；
(7) green compact are dried 4-6 hours at 90-110 DEG C, then under inert gas shielding, first with the speed liter of 3 DEG C/min Temperature, when temperature is raised to 600 DEG C；Heated up with the speed of 5 DEG C/min again, when temperature is raised to 1000 DEG C, be incubated 2 hours；Then stop Heating, furnace cooling is to room temperature, you can.
CN201610910555.9A 2016-10-14 2016-10-14 Bamboo charcoal composite diatomite ceramic material and preparation method thereof Pending CN106495733A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107963910A (en) * 2017-12-28 2018-04-27 湖州师范学院 Bamboo powder bentonite ground phosphate rock composite ceramic material and preparation method thereof
CN108191398A (en) * 2018-02-02 2018-06-22 湖州师范学院 Bamboo charcoal bentonite tailing composite ceramic material and preparation method thereof
CN109349681A (en) * 2018-11-15 2019-02-19 深圳市合元科技有限公司 Porous heater, the atomizer comprising porous heater and porous preparation

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102276237A (en) * 2011-04-21 2011-12-14 合肥工业大学 Attapulgite-based carbon composite ceramic particles and preparation method and use thereof
CN104402519A (en) * 2014-11-07 2015-03-11 桂林新竹大自然生物材料有限公司 Microcrystal and bamboo charcoal composite pottery material and preparation method thereof
CN104610988A (en) * 2014-12-31 2015-05-13 浙江高水品炭科技有限公司 Biomass carbonization molding material and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102276237A (en) * 2011-04-21 2011-12-14 合肥工业大学 Attapulgite-based carbon composite ceramic particles and preparation method and use thereof
CN104402519A (en) * 2014-11-07 2015-03-11 桂林新竹大自然生物材料有限公司 Microcrystal and bamboo charcoal composite pottery material and preparation method thereof
CN104610988A (en) * 2014-12-31 2015-05-13 浙江高水品炭科技有限公司 Biomass carbonization molding material and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107963910A (en) * 2017-12-28 2018-04-27 湖州师范学院 Bamboo powder bentonite ground phosphate rock composite ceramic material and preparation method thereof
CN108191398A (en) * 2018-02-02 2018-06-22 湖州师范学院 Bamboo charcoal bentonite tailing composite ceramic material and preparation method thereof
CN109349681A (en) * 2018-11-15 2019-02-19 深圳市合元科技有限公司 Porous heater, the atomizer comprising porous heater and porous preparation
CN109349681B (en) * 2018-11-15 2021-09-03 深圳市合元科技有限公司 Porous heating element, atomizer containing porous heating element and porous body preparation method

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