CN103332958A - Foamed ceramic with gradient pore structure and preparation method thereof - Google Patents

Foamed ceramic with gradient pore structure and preparation method thereof Download PDF

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CN103332958A
CN103332958A CN2013102870300A CN201310287030A CN103332958A CN 103332958 A CN103332958 A CN 103332958A CN 2013102870300 A CN2013102870300 A CN 2013102870300A CN 201310287030 A CN201310287030 A CN 201310287030A CN 103332958 A CN103332958 A CN 103332958A
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powder
foamed ceramics
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waste residues
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CN103332958B (en
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王正旺
饶平根
黎友海
李喜宏
李良龙
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GUANGDONG TIANBI CERAMICS Co Ltd
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GUANGDONG TIANBI CERAMICS Co Ltd
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Abstract

The invention relates to a foamed ceramic with a gradient pore structure and a preparation method thereof. The invention comprises following steps: taking polished tile waste residues produced in a polishing section of a polished tile production line; removing impurities, and dehydrating so as to obtain a slurry of the polished tile waste residues; mixing and ball-milling the raw material of an upper layer and a lower layer, and drying the formulated slurry of the upper layer and the low layer so as to obtain a powder material of the upper layer and a powder material of the lower layer; adding the powder material of the lower layer and the powder material of the upper layer into a heat-resistant mould frame successively, and placing the heat-resistant mould frame on roller bars of a roller kin for firing, wherein temperature schedules of the upper layer of the roller bars and the lower layer of the roller bars are controlled; naturally cooling to room temperature, and demoulding so as to obtain burnt products. The obtained foamed ceramic possesses the gradient pore structure, wherein the gradient pore structure comprises three layers; the first layer are provided with a plurality of open pores which are communicated with each other; the second layer is provided with a plurality of closed pores which are not communicated with each other; and the third layer is a transition layer arranged between the other two layers. The foamed ceramic can be used in the fields of heat insulation, noise reduction, corrosion prevention of electricity, desulphurization, and the like.

Description

A kind of foamed ceramics with graded pore structure and preparation method thereof
Technical field
The present invention relates to a kind of foamed ceramics and preparation method thereof, is a kind of foamed ceramics with graded pore structure of feedstock production and preparation method thereof specifically with the waste residues of polished tiles, belongs to the novel material development field.
Background technology
In recent years, China's polished tile industry development is rapid, for huge contribution has been made in socio-economic development.Yet for various reasons, a large amount of polishing slags recycling not yet in effect still that produces during polished tile is produced is seriously restricting the Sustainable development of Building Ceramics Industry.
It is reported that the annual polished brick waste quantity of slag that produces of Guangdong Province's polished tile manufacturing enterprise surpasses 1,000 ten thousand tons, because waste residues of polished tiles contains the emery cake composition and (is mainly magnesia oxychloride cement (MgO, MgCl 2), Resins, epoxy, filler and silicon-carbide particle), easily produce a large amount of gases under the high temperature and foam, cause the polishing slag of whole industry more than 90% all can't cycling and reutilization.The landfill that waste residues of polished tiles was taked in the past and the processing mode of stacking not only take a large amount of stacking places, cause environmental pollution, and the farmland is destroyed, and have also wasted the ceramic resources of a large amount of preciousnesses simultaneously.If be the foamed ceramics that main material production goes out to have insulation and sound absorption function with the polishing slag, not only broken through the awkward situation that waste residue is difficult to recycling, realize the Green Development pattern of ceramic industry, the while can produce good economic benefit.
The foamed ceramics of different air hole structures has different functions and (requires to have the open pore structure that interpenetrates as the acoustic foams pottery, and the closed pore structure that the requirement of heat-insulation and heat-preservation foamed ceramics has independently, do not connect mutually), adding the distinctive excellent specific property such as high temperature resistant, corrosion-resistant of stupalith, is used widely in many fields such as foamed ceramics is anticorrosion at heat-insulation and heat-preservation, sound absorption noise reduction, electric power, desulfurization.
Chinese patent CN1010560112B discloses a kind of high-performance light vitreous foam ceramic tile and preparation technology thereof.This foam ceramic tile is raw material with porcelain stone, hypothermia grait, rhombspar, lithium porcelain stone, calcite, ceramic dead meal, silicon carbide, nano kaoline, dispersion agent, has prepared the light vitreous ceramic tile that a kind of entire body is made up of numerous small bubbles that do not connect independently, mutually.This invention high-performance light vitreous foam ceramic tile is mainly used in heat preservation and insulation field because air hole structure is closed pore.
Chinese patent CN1404459 discloses a kind of porous, sound absorbing ceramic moldings and manufacture method thereof.Ceramic molding is by being communicated with the porous, sound absorbing ceramic moldings that perforate is formed, loose density is 0.5~1.0, and the porous, sound absorbing ceramic moldings of the sound absorbing brick that shows good acoustical absorbance properties in the wide range from bass area to treble and sound absorbing watt etc. is provided with low cost.But this formed body air hole structure does not possess good heat preservation and insulation for being communicated with perforate.
Summary of the invention
For overcoming the deficiencies in the prior art, the object of the present invention is to provide a kind of is the foamed ceramics of the closed pore structure that has the open pore structure that interpenetrates concurrently and have independently, do not connect mutually of main raw material preparation with the waste residues of polished tiles.
It is a kind of simple to operate and be easy to a kind of preparation method with foamed ceramics of graded pore structure of technology controlling and process that another purpose of the present invention is to provide.
The present invention utilizes waste residues of polished tiles to develop one deck to have the open pore structure that interpenetrates, the foamed ceramics of the graded pore structure that the closed pore structure that another layer has independently, do not connect mutually and two interlayer transition layers are formed, this foamed ceramics has heat-insulation and heat-preservation and sound-absorbing dual-use function, and can be widely used in auditorium, KTV room, meeting room, cinema etc. needs sound-absorbing, heat insulation field.The present invention has not only utilized the polishing slag of building ceramic enterprises, has expanded the range of application of foamed ceramics again greatly.
The objective of the invention is to be achieved through the following technical solutions:
A kind of preparation method with foamed ceramics of graded pore structure may further comprise the steps:
(1) the waste residues of polished tiles slip is collected: extract the waste residues of polished tiles slurry that polished tile production line polishing section produces, carry out impurity elimination, processed, obtain water ratio and be 50~60% waste residues of polished tiles slip;
(2) mixing and ball milling: respectively the levels raw material is carried out mixing and ball milling, ball milling fineness to 250 mesh screen residue is 0.1~0.3%, obtains the upper and lower prescription slip; In the mass percent of raw material dry weight, the consisting of of upper strata or lower floor's raw material: waste residues of polished tiles 80~100%, fusing assistant 0~15%, high-alumina clay 0~10%, whipping agent 0~3%; Described fusing assistant is cullet powder or albite; Described high-alumina clay is that clay be who knows middle Al 2O 3Mass content is greater than 46%, and alumina silica ratio is 0.85~2.5 clay; Described whipping agent is discarded emery cake, waste gypsum, CaCO 3In one or more mixtures, the particle diameter of whipping agent is more than 325 orders;
(3) drying: be 6~8% the upper and lower powder with the upper and lower in the step (2) prescriptions slurry drying to water ratio;
(4) filling: lower floor's powder of obtaining in the step (3) and upper strata powder are packed in the heat-resisting mould frame successively, and upper and lower layer filling thickness ratio is 0.8~1.2, and the powder total filling amount is 1/3~1/2 of mould capacity;
(5) burn till: the mould that powder will be housed places in the roller kiln goes into klining on the roller rod, sheaf space firing temperature system is on the control roller rod: 1.5~3h evenly rises to 950 ℃ by room temperature, evenly rise to 1170~1220 ℃ at 3~5h by 950 ℃ again, insulation 0.5~1h; Roller rod lower layer space firing temperature system is: 1.5~3h evenly rises to 950 ℃ by room temperature, evenly rises to 1150~1200 ℃ at 3~5h by 950 ℃ again, insulation 0.5~1h; Naturally cool to room temperature, the demoulding gets burnt product then;
(6) cutting: burnt product is cut into the product of different specification size on request, obtains having the foamed ceramics of graded pore structure.
Preferably, the waste residue of described waste residues of polished tiles for adopting emery cake polishing porcelain brick surface to produce, described emery cake main component is magnesia oxychloride cement (MgO, MgCl2), Resins, epoxy, filler and silicon carbide (SiC).The material of described heat-resisting mould frame is high temperature steel, recrystallized silicon carbide or corundum.The specification of heat-resisting mould frame is preferably 610mm * 610mm * 65mm(to be grown * wide * thick), also can control grinding tool frame specification according to demand.In the mass percent of raw material dry weight, the prescription of the upper and lower raw material is formed identical; Or the prescription proportion of composing difference of the upper and lower raw material.。
A kind of foamed ceramics with graded pore structure is made by above-mentioned preparation method.
The present invention is in order to realize the graded pore structure characteristic, in the identical or different layer powder formulation of the upper and lower, add fusing assistant, high-alumina clay (improving the high-temperature liquid-phase viscosity) and whipping agent, and the control goods burn till the temperature difference up and down to reach goods levels differing temps system burning till stage roller rod, the final one deck that forms has the open pore structure that interpenetrates, the graded pore structure that the closed pore structure that another layer has independently, do not connect mutually and two interlayer transition layers are formed.
With respect to prior art, the invention has the beneficial effects as follows:
(1) foam ceramic material of the present invention has the open pore structure that one deck interpenetrates, closed pore structure and two interlayer transition layer structures that another layer do not connect independently, mutually, can realize having heat-insulation and heat-preservation and sound absorption function is the multifunctional foam pottery of one, and its superior performance, Application Areas are extensive.
(2) to adopt waste residues of polished tiles be that main raw material prepares the multifunctional foam pottery in the present invention, can effectively solve the pollution of waste residues of polished tiles in a short time, and the recyclable recycling of waste material that the follow-up cutting of burnt product produces, the present invention has realized turning waste into wealth, and the Green Development of architectural pottery industry is had very big meaning.
(3) polished brick waste solid impurity particle tiny (the about 10 μ m of median size), the raw material ball milling only need reach the purpose of mixing with other raw materials, and mechanical milling process power consumption is low, the raw materials used industrial waste that is mainly in addition, the foamed ceramics overall manufacturing is with low cost.
(4) by control roller kiln roller rod levels temperature schedule to realize goods levels differing temps system, to have widened being mainly used in burning till the purposes of the roller kiln of wall floor tile in the past.
Description of drawings
Fig. 1 is the sectional structure synoptic diagram of patent of the present invention:
Shown in the figure: closed pore structural sheet 1, open pore structural sheet 2 and transition layer 3.
Embodiment
For a better understanding of the present invention, further set forth below in conjunction with the present invention of embodiment, but the scope of protection of present invention is not limited to the scope that embodiment describes.
Embodiment 1:
Raw material: upper and lower layer: waste residues of polished tiles 100%
The preparation method:
(1) the waste residues of polished tiles slip is collected: extract the waste residues of polished tiles slurry that polished tile production line polishing section produces, carry out impurity elimination, processed, obtaining water ratio is the waste residues of polished tiles slip of 50wt%;
(2) ball milling: with the waste residues of polished tiles slurry ball-milling, ball milling fineness to 250 mesh screen residue 0.1%;
(3) drying: be 6~8% powder to water ratio with slurry drying in the step (2);
(4) filling: the powder that obtains in the step (3) is loaded in the high temperature steel mould frame of 610mm * 610mm * 65mm specification, the powder loadings is 1/2 of mould capacity;
(5) burn till: the mould that powder will be housed places in the roller kiln goes into klining on the roller rod, at the uniform velocity be warming up to 950 ℃ from room temperature in upper strata temperature schedule: the 1.5h on the control roller rod, at the uniform velocity be warming up to 1170 ℃ from 950 ℃ in the 4h, the top temperature soaking time is 1h, amounts to 6.5h; Roller rod lower floor temperature schedule: at the uniform velocity is warming up to 950 ℃ from room temperature in the 1.5h, at the uniform velocity is warming up to 1150 ℃ from 950 ℃ in the 4.5h, the top temperature soaking time is 0.5h, amounts to 6.5h, naturally cools to room temperature then, and the demoulding gets burnt product;
(6) cutting: burnt product is cut into 300mm * 300mm * 60mm specification, also can be cut into the product of different specification size by construction requirement, be described a kind of foamed ceramics with graded pore structure, this foamed ceramics can be used for heat-insulation and heat-preservation, sound absorption noise reduction field, has heat insulation, sound absorption dual-use function.
Adopt microscopic examination goods air hole structure, press GB/T1966-1996 test article unit weight, press GB/T1964-1996 test article ultimate compression strength, press GB/T5990-2006 test article thermal conductivity, adopt standing wave tube test article sound absorbing capabilities, test frequency is 150-4000Hz.As shown in Figure 1, the products obtained therefrom upper strata is mainly has the open pore structural sheet 2 that interpenetrates, and lower floor is mainly the closed pore structural sheet 1 that has independently, do not connect mutually, and two interlayers are transition layer 3 up and down.
Produce speed and gas generated by control temperature schedule and then control high-temperature gas; By regulating prescription, can control the goods high-temperature viscosity.Finally determined the final air hole structure of foamed ceramics jointly by gas production rate, gas generated and goods high-temperature viscosity.
Foamed ceramics correlated performance test result is: unit weight 0.55g/cm 3, ultimate compression strength 3.5MPa, thermal conductivity 0.15W/mK, sound absorbing coefficient are 0.36.This foamed ceramics is heat insulation, sound absorption and other are functional, and can be used for meeting room, cinema, auditorium etc. needs heat insulation, sound absorption field.
Embodiment 2:
Raw material:
Upper strata: waste residues of polished tiles 80%, cullet 10%, albite 5%, high-alumina clay 3%, discarded emery cake 2%
Lower floor: waste residues of polished tiles 90%, cullet 3%, high-alumina clay 5%, discarded emery cake 1%, waste gypsum 1%
The preparation method:
(1) the waste residues of polished tiles slip is collected: extract the waste residues of polished tiles slurry that polished tile production line polishing section produces, carry out impurity elimination, processed, obtain water ratio and be 60% waste residues of polished tiles slip;
(2) ball milling: levels is pressed above-mentioned raw materials weight percent batching respectively and is distinguished ball milling to fineness 250 mesh screen residues 0.1%, obtains the upper and lower prescription slip;
(3) drying: with step (2) at the middle and upper levels and following layer formula slurry drying to water ratio be 7% the upper and lower powder;
(4) filling: lower floor's powder of obtaining in the step (3) and upper strata powder are packed in the heat-resisting mould frame of 610mm * 610mm * 65mm specification successively, and upper and lower layer filling thickness ratio is 0.8, and the powder total filling amount is 5/12 of mould capacity;
(5) burn till: the mould that powder will be housed places in the roller kiln goes into klining on the roller rod, at the uniform velocity be warming up to 950 ℃ from room temperature in upper strata temperature schedule: the 2h on the control roller rod, 4.5h interiorly at the uniform velocity be warming up to 1200 ℃ from 950 ℃, the top temperature soaking time is 0.5h, amounts to 7h; Roller rod lower floor temperature schedule: at the uniform velocity is warming up to 950 ℃ from room temperature in the 2h, at the uniform velocity is warming up to 1190 ℃ from 950 ℃ in the 4h, the top temperature soaking time is 1h, amounts to 7h, naturally cools to room temperature then, and the demoulding gets burnt product;
(6) cutting: burnt product is cut into 300mm * 300mm * 60mm specification, also can be cut into the product of different specification size by construction requirement, be described a kind of foamed ceramics with graded pore structure, this foamed ceramics can be used for heat-insulation and heat-preservation, sound absorption noise reduction field, has heat insulation, sound absorption dual-use function.
The product testing method is with embodiment 1.The products obtained therefrom upper strata is mainly the open pore structure that interpenetrates, the closed pore structure that lower floor is mainly independently, does not connect mutually, and foamed ceramics correlated performance test result is: unit weight 0.46g/cm 3, ultimate compression strength 2.1MPa, thermal conductivity 0.14W/mK.Adopt standing wave tube, average sound absorbing coefficient was 0.47 when test frequency was 150-4000Hz.This foamed ceramics is heat insulation, sound absorption and other are functional, and can be used for meeting room, cinema, auditorium etc. needs heat insulation, sound absorption field.
Embodiment 3:
Raw material:
Upper strata: waste residues of polished tiles 85%, cullet 12%, discarded emery cake 2.5%, CaCO 30.5%
Lower floor: waste residues of polished tiles 90%, cullet 3%, high-alumina clay 5%, discarded emery cake 1.5%, CaCO 30.5%
The preparation method:
(1) the waste residues of polished tiles slip is collected: extract the waste residues of polished tiles slurry that polished tile production line polishing section produces, carry out impurity elimination, processed, obtain water ratio and be 55% waste residues of polished tiles slip;
(2) ball milling: levels is pressed above-mentioned raw materials weight percent batching and ball milling respectively to fineness 250 mesh screen residues 0.1%, obtains the upper and lower prescription slip;
(3) drying: with step (2) at the middle and upper levels and following layer formula slurry drying to water ratio be 6% the upper and lower powder;
(4) filling: lower floor's powder of obtaining in the step (3) and upper strata powder are packed in the recrystallized silicon carbide mould frame of 610mm * 610mm * 65mm specification successively, and upper and lower layer filling thickness ratio is 1.0, and the powder total filling amount is 1/3 of mould capacity;
(5) burn till: the mould that powder will be housed places in the roller kiln goes into klining on the roller rod, at the uniform velocity be warming up to 950 ℃ from room temperature in upper strata temperature schedule: the 3h on the control roller rod, at the uniform velocity be warming up to 1180 ℃ from 950 ℃ in the 4h, the top temperature soaking time is 1h, amounts to 8h; Roller rod lower floor temperature schedule: at the uniform velocity is warming up to 950 ℃ from room temperature in the 3h, at the uniform velocity is warming up to 1170 ℃ from 950 ℃ in the 4.5h, the top temperature soaking time is 0.5h, amounts to 8h, naturally cools to room temperature then, and the demoulding gets burnt product;
(6) cutting: burnt product is cut into 300mm * 300mm * 60mm specification, also can be cut into the product of different specification size by construction requirement, be described a kind of foamed ceramics with graded pore structure, this foamed ceramics can be used for heat-insulation and heat-preservation, sound absorption noise reduction field, has heat insulation, sound absorption dual-use function.
The product testing method is with embodiment 1.The products obtained therefrom upper strata is mainly the open pore structure that interpenetrates, the closed pore structure that lower floor is mainly independently, does not connect mutually, and foamed ceramics correlated performance test result is: unit weight 0.40g/cm 3, ultimate compression strength 1.3Mpa, thermal conductivity 0.15W/mK.Adopt standing wave tube, sound absorbing coefficient was 0.41 when test frequency was 150-4000Hz.This foamed ceramics is heat insulation, sound absorption and other are functional, and can be used for meeting room, cinema, auditorium etc. needs heat insulation, sound absorption field.
Embodiment 4:
Raw material:
Upper strata: waste residues of polished tiles 80%, cullet 15%, high-alumina clay 4%, discarded emery cake 1%
Lower floor: waste residues of polished tiles 80%, cullet 5%, albite 4%, high-alumina clay 10%, discarded emery cake 1%
The preparation method:
(1) the waste residues of polished tiles slip is collected: extract the waste residues of polished tiles slurry that polished tile production line polishing section produces, carry out impurity elimination, processed, obtain water ratio and be 55% waste residues of polished tiles slip;
(2) ball milling: levels is pressed above-mentioned raw materials weight percent batching and ball milling respectively to fineness 250 mesh screen residues 0.3%, obtains the upper and lower prescription slip;
(3) drying: with step (2) at the middle and upper levels and following layer formula slurry drying to water ratio be 7% the upper and lower powder;
(4) filling: lower floor's powder of obtaining in the step (3) and upper strata powder are packed in the corundum mould frame of 610mm * 610mm * 65mm specification successively, and upper and lower layer filling thickness ratio is 1.2, and the powder total filling amount is 1/2 of mould capacity;
(5) burn till: the mould that powder will be housed places in the roller kiln goes into klining on the roller rod, at the uniform velocity be warming up to 950 ℃ from room temperature in upper strata temperature schedule: the 1.5h on the control roller rod, 4.5h interiorly at the uniform velocity be warming up to 1220 ℃ from 950 ℃, the top temperature soaking time is 0.5h, amounts to 6.5h; Roller rod lower floor temperature schedule: at the uniform velocity is warming up to 950 ℃ from room temperature in the 1.5h, at the uniform velocity is warming up to 1200 ℃ from 950 ℃ in the 4.5h, the top temperature soaking time is 0.5h, amounts to 6.5h, naturally cools to room temperature then, and the demoulding gets burnt product;
(6) cutting: burnt product is cut into 300mm * 300mm * 60mm specification, also can be cut into the product of different specification size by construction requirement, be described a kind of foamed ceramics with graded pore structure, this foamed ceramics can be used for heat-insulation and heat-preservation, sound absorption noise reduction field, has heat insulation, sound absorption dual-use function.
The product testing method is with embodiment 1.The products obtained therefrom upper strata is mainly the open pore structure that interpenetrates, the closed pore structure that lower floor is mainly independently, does not connect mutually, and foamed ceramics correlated performance test result is: unit weight 0.36g/cm 3, ultimate compression strength 0.8MPa, thermal conductivity 0.09W/mK.Adopt standing wave tube, sound absorbing coefficient was 0.45 when test frequency was 150-4000Hz.This foamed ceramics is heat insulation, sound absorption and other are functional, and can be used for meeting room, cinema, auditorium etc. needs heat insulation, sound absorption field.

Claims (6)

1. preparation method with foamed ceramics of graded pore structure is characterized in that may further comprise the steps:
(1) the waste residues of polished tiles slip is collected: extract the waste residues of polished tiles slurry that polished tile production line polishing section produces, carry out impurity elimination, processed, obtain water ratio and be 50~60% waste residues of polished tiles slip;
(2) mixing and ball milling: respectively the levels raw material is carried out mixing and ball milling, ball milling fineness to 250 mesh screen residue is 0.1~0.3%, obtains the upper and lower prescription slip; In the mass percent of raw material dry weight, the consisting of of upper strata or lower floor's raw material: waste residues of polished tiles 80~100%, fusing assistant 0~15%, high-alumina clay 0~10%, whipping agent 0~3%; Described fusing assistant is cullet powder or albite; Described high-alumina clay is that clay be who knows middle Al 2O 3Mass content is greater than 46%, and alumina silica ratio is 0.85~2.5 clay; Described whipping agent is discarded emery cake, waste gypsum, CaCO 3In one or more mixtures, the particle diameter of whipping agent is more than 325 orders;
(3) drying: be 6~8% the upper and lower powder with the upper and lower in the step (2) prescriptions slurry drying to water ratio;
(4) filling: lower floor's powder of obtaining in the step (3) and upper strata powder are packed in the heat-resisting mould frame successively, and upper and lower layer filling thickness ratio is 0.8~1.2, and the powder total filling amount is 1/3~1/2 of mould capacity;
(5) burn till: the mould that powder will be housed places in the roller kiln goes into klining on the roller rod, sheaf space firing temperature system is on the control roller rod: 1.5~3h evenly rises to 950 ℃ by room temperature, evenly rise to 1170~1220 ℃ at 3~5h by 950 ℃ again, insulation 0.5~1h; Roller rod lower layer space firing temperature system is: 1.5~3h evenly rises to 950 ℃ by room temperature, evenly rises to 1150~1200 ℃ at 3~5h by 950 ℃ again, insulation 0.5~1h; Naturally cool to room temperature, the demoulding gets burnt product then;
(6) cutting: burnt product is cut into the product of different specification size on request, obtains having the foamed ceramics of graded pore structure.
2. a kind of preparation method with foamed ceramics of graded pore structure according to claim 1, it is characterized in that: the waste residue of described waste residues of polished tiles for adopting emery cake polishing porcelain brick surface to produce, described emery cake main component is magnesia oxychloride cement (MgO, MgCl2), Resins, epoxy, filler and silicon carbide (SiC).
3. a kind of preparation method with foamed ceramics of graded pore structure according to claim 1, it is characterized in that: the material of described heat-resisting mould frame is high temperature steel, recrystallized silicon carbide or corundum.
4. a kind of preparation method with foamed ceramics of graded pore structure according to claim 1 is characterized in that: in the mass percent of raw material dry weight, the prescription of the upper and lower raw material is formed identical.
5. a kind of preparation method with foamed ceramics of graded pore structure according to claim 1 is characterized in that: in the mass percent of raw material dry weight, and the prescription proportion of composing difference of the upper and lower raw material.
6. the foamed ceramics with graded pore structure is characterized in that it is made by each described preparation method of claim 1-5.
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Cited By (12)

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CN103979998A (en) * 2014-05-08 2014-08-13 山东雅美特建陶有限公司 Hollow foam ceramic plate and making method thereof
CN104481101A (en) * 2014-11-03 2015-04-01 北京璞晶科技有限公司 Inorganic thermal insulating decorative panel and production process thereof
CN105622059A (en) * 2015-12-29 2016-06-01 广东百强陶瓷有限公司 Backing material for polished tile
CN106495738A (en) * 2016-10-25 2017-03-15 中电声韵声学工程技术(北京)有限公司 A kind of ceramic sound-absorbing material and preparation method thereof and purposes
CN108863302A (en) * 2018-06-28 2018-11-23 广东科达洁能股份有限公司 A kind of foamed ceramic light weight board and preparation method thereof
CN108996990A (en) * 2018-06-28 2018-12-14 广东科达洁能股份有限公司 A kind of folded firing method of the tunnel oven of foamed ceramic light weight board
CN109053214A (en) * 2018-11-15 2018-12-21 广东金意陶陶瓷集团有限公司 A kind of technique and foamed ceramic material of layering system material cloth production foamed ceramic
CN109320206A (en) * 2018-11-15 2019-02-12 广东金意陶陶瓷集团有限公司 A kind of technique and foamed ceramic material of layering and zoning material cloth production foamed ceramic
CN110423133A (en) * 2018-11-22 2019-11-08 中国科学院青海盐湖研究所 A kind of magnesia oxychloride cement foam concrete air hole structure modelling and characterizing method based on modified magnesium oxychloride cement
CN110981413A (en) * 2019-12-23 2020-04-10 佛山欧神诺陶瓷有限公司 High-performance foamed ceramic and preparation method and application thereof
CN112759268A (en) * 2019-11-06 2021-05-07 南京航空航天大学 Heat-insulating sound-absorbing gradient porous foam glass
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