CN109400108A - A kind of preparation method of light, and high-strength fly-ash haydite - Google Patents
A kind of preparation method of light, and high-strength fly-ash haydite Download PDFInfo
- Publication number
- CN109400108A CN109400108A CN201811309791.0A CN201811309791A CN109400108A CN 109400108 A CN109400108 A CN 109400108A CN 201811309791 A CN201811309791 A CN 201811309791A CN 109400108 A CN109400108 A CN 109400108A
- Authority
- CN
- China
- Prior art keywords
- light
- preparation
- ash haydite
- strength
- strength fly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/04—Clay; Kaolin
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/1305—Organic additives
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/131—Inorganic additives
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/135—Combustion residues, e.g. fly ash, incineration waste
- C04B33/1352—Fuel ashes, e.g. fly ash
-
- 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
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
-
- 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
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/36—Glass starting materials for making ceramics, e.g. silica glass
-
- 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
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
-
- 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
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Abstract
This application discloses a kind of preparation methods of light, and high-strength fly-ash haydite, in turn include the following steps: investment action of forced stirring batch mixer is uniformly mixed after S1. weighs flyash, bentonite, glass powder, rice chaff in mass ratio 30~55: 40~55: 5: 0~10；S2. step S1 resulting material is subjected to ball milling；S3. step S2 resulting material disc spray pelletizer is delivered to be granulated；S4. it will be calcined in the investment rotary kiln of raw material ball obtained by step S3, obtain light, and high-strength fly-ash haydite.The advantage of the invention is that solving the problems such as low lytag cylindrical compress strength, unstable quality, high water absorption rate.
Description
Technical field
The present invention relates to construction material preparation field, in particular to a kind of preparation method of light, and high-strength fly-ash haydite.
Background technique
The maximum feature of lytag is that appearance is hard, and there is various micropores in inside, these micropores assign pottery
The light characteristic of grain.With it make come haydite concrete have the advantage that 1, density is small, matter compared to normal concrete
Gently；2, it keeps the temperature, is heat-insulated；3, fire resistance is good；4, anti-seismic performance is good；5, anti-freezing property and endurance quality are good；6, low cost.In recent years
Country greatly develops green construction material, advocates energy saving building.Development and application are best in quality, energy conservation and environmental protection, function are good new
Type construction material just adapts to the development in epoch.Flyash-haydite concrete is able to satisfy wall self-insulation system, can save and do
Wall insulating layer, therefore the production and application of lytag will obtain faster development.
The production method of traditional lytag is using flyash, clay as raw material, using pan-pelletizer balling-up, by rotary kiln
High-temperature calcination is produced.The lytag cylindrical compress strength of produced in conventional processes is relatively low, quality is very unstable and water absorption rate compared with
Height, on the market haydite performance 600kg/m3Corresponding cylindrical compress strength 4Mpa；700kg/m3Corresponding cylindrical compress strength 5Mpa；800kg/m3It is right
Answer cylindrical compress strength 6Mpa.
Summary of the invention
The object of the present invention is to provide formulas of light, and high-strength fly-ash haydite and preparation method thereof.Prepare stabilization
Lytag, 600kg/m3Lytag corresponds to 5.6~5.8Mpa of cylindrical compress strength；700kg/m3Lytag is corresponding
6.6~6.9Mpa of cylindrical compress strength；800kg/m3Lytag corresponds to 7.9~8.2Mpa of cylindrical compress strength, and properties of product are much better than
The performance of haydite on the market.Solves the problems such as low lytag cylindrical compress strength, unstable quality, high water absorption rate.
To achieve the above object, the invention provides the following technical scheme:
The embodiment of the present application discloses a kind of preparation method of light, and high-strength fly-ash haydite, in turn includes the following steps:
S1 puts into after weighing flyash, bentonite, glass powder, rice chaff in mass ratio 30~55: 40~55: 5: 0~10 and forces
Stir mixing machine is uniformly mixed；
Step S1 resulting material is carried out ball milling by S2；
Step S2 resulting material is delivered to disc spray pelletizer and is granulated by S3；
S4 will be calcined in the investment rotary kiln of raw material ball obtained by step S3, obtain light, and high-strength fly-ash haydite.
Preferably, in the preparation method of above-mentioned light, and high-strength fly-ash haydite, in the step S1, flyash, swelling
Soil, glass powder, rice chaff mass ratio are 36~50: 42~52: 5: 2~8.
Preferably, in the preparation method of above-mentioned light, and high-strength fly-ash haydite, in the step S2, material is milled to flat
Equal granularity is less than 150 microns.
Preferably, in the preparation method of above-mentioned light, and high-strength fly-ash haydite, in the step S3, raw material ball is controlled
Moisture content is 16~20%, and diameter is 4~16mm.
Preferably, in the preparation method of above-mentioned light, and high-strength fly-ash haydite, in the step S4, calcination temperature is
1200~1350 DEG C.
Preferably, in the preparation method of above-mentioned light, and high-strength fly-ash haydite, in the step S4, the full kiln time is undergone
For 50~60min, the revolving speed of kiln is 1.2~2.4 turns/min.
Preferably, in the preparation method of above-mentioned light, and high-strength fly-ash haydite, in the step S1, flyash and swelling
SiO in soil2、Al2O3、Fe2O3The sum of mass percent be 65%~85%.
Preferably, in the preparation method of above-mentioned light, and high-strength fly-ash haydite, in the step S1, glass powder is waste and old
Glassware sieves with 100 mesh sieve gained into being crushed, after grinding.
Preferably, in the preparation method of above-mentioned light, and high-strength fly-ash haydite, in the step S1, rice husk meal is paddy
Part after removing cleared rice during rice milling is processed by grinding, is crossed obtained by 100 mesh.
The present invention has the advantages that
1, the agriculture and industry wastes such as flyash, glass dregs, rice chaff, SiO in flyash is effectively utilized2Bentonite can be reduced
Dispersion degree, reduce expansion character；Fe2O3Facilitate the melting temperature of reduction bentonite clay particle, and participate in vaporescence, makes
It is preferably expanded；Al2O3Too high levels can be such that firing temperature increases, and be unfavorable for producing to increase cost；Glass powder is in haydite
There is strong fluxing action in sintering；Rice husk meal has strong effect of getting angry in ceramisite sintered.
2, for the present invention using glass powder as fluxing agent, rice husk meal is foaming agent, matches synthesis Tao Chengfen flyash and bentonite, into
Row rational proportion, the lytag properties of product produced are much better than the performance of haydite on the market, solve lytag
The problems such as cylindrical compress strength is low, unstable quality, high water absorption rate has significant economic benefit.
Specific embodiment
The preparation method of light, and high-strength fly-ash haydite is illustrated below in conjunction with embodiment.
In the following example, flyash and SiO in bentonite2、Al2O3、Fe2O3The sum of mass percent for 65%~
85%.Glass powder is post consumer glass products into being crushed, after grinding, sieves with 100 mesh sieve gained.Rice husk meal is that rice making is gone in the process
Part after cleared rice is processed by grinding, is crossed obtained by 100 mesh.
Embodiment 1:
Investment action of forced stirring batch mixer is mixed after S1 weighs flyash, bentonite, glass powder, rice chaff in mass ratio 38: 50: 5: 7
It closes uniform；
Step S1 resulting material is carried out ball milling by S2, and material is milled to average particle size less than 150 microns；
Step S2 resulting material is delivered to disc spray pelletizer and is granulated by S3, and the moisture content for controlling raw material ball is 18%,
Diameter is 4~16mm；
S4 will be calcined in the investment rotary kiln of raw material ball obtained by step S3, and calcination temperature is 1300 DEG C, undergo the full kiln time to be
The revolving speed of 58min, kiln are 1.9 turns/min, obtain light, and high-strength fly-ash haydite.
It is detected referring to GB/T 17431.2-2010, the bulk density of haydite is 600kg/m3, cylindrical compress strength 5.6~
5.8Mpa, 1 hour water absorption rate 6.2%.
Embodiment 2
Investment action of forced stirring batch mixer is mixed after S1 weighs flyash, bentonite, glass powder, rice chaff in mass ratio 43: 47: 5: 5
It closes uniform；
Step S1 resulting material is carried out ball milling by S2, and material is milled to average particle size less than 150 microns；
Step S2 resulting material is delivered to disc spray pelletizer and is granulated by S3, and the moisture content for controlling raw material ball is 17%,
Diameter is 4~16mm；
S4 will be calcined in the investment rotary kiln of raw material ball obtained by step S3, and calcination temperature is 1280 DEG C, undergo the full kiln time to be
The revolving speed of 56min, kiln are 1.8 turns/min, obtain light, and high-strength fly-ash haydite.
It is detected referring to GB/T 17431.2-2010, the bulk density of haydite is 700kg/m3, cylindrical compress strength 6.6~
6.9Mpa, 1 hour water absorption rate 5.8%.
Embodiment 3
Investment action of forced stirring batch mixer is mixed after S1 weighs flyash, bentonite, glass powder, rice chaff in mass ratio 48: 44: 5: 3
It closes uniform；
Step S1 resulting material is carried out ball milling by S2, and material is milled to average particle size less than 150 microns；
Step S2 resulting material is delivered to disc spray pelletizer and is granulated by S3, and the moisture content for controlling raw material ball is 16%,
Diameter is 4~16mm；
S4 will be calcined in the investment rotary kiln of raw material ball obtained by step S3, and calcination temperature is 1260 DEG C, undergo the full kiln time to be
The revolving speed of 54min, kiln are 1.7 turns/min, obtain light, and high-strength fly-ash haydite.
It is detected referring to GB/T 17431.2-2010, the bulk density of haydite is 800kg/m3, cylindrical compress strength 7.9~
8.2Mpa, 1 hour water absorption rate 5.5%.
It can be seen that utilizing 600kg/m produced by the invention3、700kg/m3、800kg/m3Properties of product are much better than on the market
The performance of haydite.
This embodiment is just an exemplary description of this patent and does not limit its protection scope, and those skilled in the art are also
Local change can be carried out to it, as long as it does not exceed the essence of this patent, all be considered as the equivalent replacement to this patent, all
Within the protection scope of this patent.
Claims (9)
1. a kind of preparation method of light, and high-strength fly-ash haydite, which is characterized in that in turn include the following steps:
S1 puts into after weighing flyash, bentonite, glass powder, rice chaff in mass ratio 30~55: 40~55: 5: 0~10 and forces
Stir mixing machine is uniformly mixed；
Step S1 resulting material is carried out ball milling by S2；
Step S2 resulting material is delivered to disc spray pelletizer and is granulated by S3；
S4 will be calcined in the investment rotary kiln of raw material ball obtained by step S3, obtain light, and high-strength fly-ash haydite.
2. the preparation method of light, and high-strength fly-ash haydite according to claim 1, which is characterized in that the step S1
In, flyash, bentonite, glass powder, rice chaff mass ratio are 36~50: 42~52: 5: 2~8.
3. the preparation method of light, and high-strength fly-ash haydite according to claim 1, which is characterized in that the step S2
In, material is milled to average particle size less than 150 microns.
4. the preparation method of light, and high-strength fly-ash haydite according to claim 1, which is characterized in that the step S3
In, the moisture content for controlling raw material ball is 16~20%, and diameter is 4~16mm.
5. the preparation method of light, and high-strength fly-ash haydite according to claim 1, which is characterized in that the step S4
In, calcination temperature is 1200~1350 DEG C.
6. the preparation method of light, and high-strength fly-ash haydite according to claim 1, which is characterized in that the step S4
In, undergoing the full kiln time is 50~60min, and the revolving speed of kiln is 1.2~2.4 turns/min.
7. the preparation method of light, and high-strength fly-ash haydite according to claim 1, which is characterized in that the step S1
In, SiO in flyash and bentonite2、Al2O3、Fe2O3The sum of mass percent be 65%~85%.
8. the preparation method of light, and high-strength fly-ash haydite according to claim 1, which is characterized in that the step S1
In, glass powder is post consumer glass products into being crushed, after grinding, sieves with 100 mesh sieve gained.
9. the preparation method of light, and high-strength fly-ash haydite according to claim 1, which is characterized in that the step S1
In, rice husk meal is that rice making goes to the part after cleared rice to process by grinding in the process, is crossed obtained by 100 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811309791.0A CN109400108A (en) | 2018-11-06 | 2018-11-06 | A kind of preparation method of light, and high-strength fly-ash haydite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811309791.0A CN109400108A (en) | 2018-11-06 | 2018-11-06 | A kind of preparation method of light, and high-strength fly-ash haydite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109400108A true CN109400108A (en) | 2019-03-01 |
Family
ID=65471764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811309791.0A Pending CN109400108A (en) | 2018-11-06 | 2018-11-06 | A kind of preparation method of light, and high-strength fly-ash haydite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109400108A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110776331A (en) * | 2019-12-03 | 2020-02-11 | 山东京博环保材料有限公司 | Light ceramsite prepared from cyanamide slag and preparation method thereof |
| CN113562999A (en) * | 2020-04-29 | 2021-10-29 | 海安南京大学高新技术研究院 | Light ceramsite prepared from incineration fly ash of waste power plant and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105732083A (en) * | 2016-01-11 | 2016-07-06 | 昆明理工大学 | Wet-process firing method of ceramsite by using cow dung |
| CN107311687A (en) * | 2017-06-16 | 2017-11-03 | 河南兴安新型建筑材料有限公司 | Light ceramic prepared by a kind of utilization waste and preparation method thereof |
| CN107417150A (en) * | 2017-09-04 | 2017-12-01 | 广东清大同科环保技术有限公司 | A kind of high-strength light high-content fly ash haydite and preparation method thereof |
| CN107915473A (en) * | 2017-12-07 | 2018-04-17 | 李珠 | Sintered coal ash super light ceramisite and preparation method thereof |
-
2018
- 2018-11-06 CN CN201811309791.0A patent/CN109400108A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105732083A (en) * | 2016-01-11 | 2016-07-06 | 昆明理工大学 | Wet-process firing method of ceramsite by using cow dung |
| CN107311687A (en) * | 2017-06-16 | 2017-11-03 | 河南兴安新型建筑材料有限公司 | Light ceramic prepared by a kind of utilization waste and preparation method thereof |
| CN107417150A (en) * | 2017-09-04 | 2017-12-01 | 广东清大同科环保技术有限公司 | A kind of high-strength light high-content fly ash haydite and preparation method thereof |
| CN107915473A (en) * | 2017-12-07 | 2018-04-17 | 李珠 | Sintered coal ash super light ceramisite and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 田煦: "《非金属矿产地质学》", 31 December 1989 * |
| 邵规贤: "《搪瓷学》", 28 February 1983 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110776331A (en) * | 2019-12-03 | 2020-02-11 | 山东京博环保材料有限公司 | Light ceramsite prepared from cyanamide slag and preparation method thereof |
| CN113562999A (en) * | 2020-04-29 | 2021-10-29 | 海安南京大学高新技术研究院 | Light ceramsite prepared from incineration fly ash of waste power plant and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106396634B (en) | The preparation method of light, and high-strength fly-ash haydite | |
| CN102826827B (en) | A kind of with ceramic polished slag be major ingredient sintering pitchers brick and production method thereof | |
| CN102557583A (en) | Energy-saving dry powder production method for building ceramics | |
| CN102295471A (en) | Foaming ceramics material prepared through adopting polishing ceramic slags as main raw material, and preparation method thereof | |
| US9587170B2 (en) | Proppant material incorporating fly ash and method of manufacture | |
| CN104609888A (en) | Production process of foamed ceramics | |
| CN107459364A (en) | A kind of high-strength ceramic granule that binding agent preparation is done using Yellow river silt and sludge and preparation method thereof | |
| CN107324745A (en) | A kind of light wall material and preparation method thereof | |
| CN105294086A (en) | Ceramic tile blank and preparation method | |
| CN109400108A (en) | A kind of preparation method of light, and high-strength fly-ash haydite | |
| CN110790541A (en) | Method for preparing artificial aggregate by utilizing recycled micro powder | |
| CN106278176B (en) | A kind of high-strength ceramic granule and preparation method thereof | |
| CN106365651A (en) | Preparation method of reinforced spherical aggregate refractory material | |
| CN104692767A (en) | Coal gangue shale flyash insulation hollow brick and preparation method thereof | |
| EP0893418A1 (en) | Thermally insulating building material | |
| CN107188594A (en) | A kind of energy-saving heat-insulating insulating brick and preparation method thereof | |
| CN111775281A (en) | Drying-free short-process preparation method of grey tile based on dry process | |
| CN103833392A (en) | Preparation method for sintered corundum | |
| CN103482848A (en) | Pelletizing production process for glass batch mixture | |
| CN111393174A (en) | Method for manufacturing M47 refractory material by using fly ash | |
| US20170226410A1 (en) | Proppant Material Incorporating Fly Ash and Method of Manufacture | |
| CN110776308B (en) | High-temperature porcelain and preparation method thereof | |
| CN112805260B (en) | Method for producing synthetic light ceramic sand and application thereof | |
| CN115124368B (en) | Foamed ceramic powder and preparation method and application thereof | |
| CN106495658A (en) | A kind of heat preservation and soundproof Ceramic Tiles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190301 |