CN103044070A - Method for preparing super-light foaming ceramic material by utilizing silt of Yangtze River - Google Patents
Method for preparing super-light foaming ceramic material by utilizing silt of Yangtze River Download PDFInfo
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- CN103044070A CN103044070A CN2013100186133A CN201310018613A CN103044070A CN 103044070 A CN103044070 A CN 103044070A CN 2013100186133 A CN2013100186133 A CN 2013100186133A CN 201310018613 A CN201310018613 A CN 201310018613A CN 103044070 A CN103044070 A CN 103044070A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
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Abstract
The invention discloses a method for preparing a super-light foaming ceramic material by utilizing silt of Yangtze River, and the method comprises the following steps of: (1) drying the silt of the Yangtze River to ensure that the water content of the silt is less than or equal to 1%; (2) smashing the dried silt of the Yangtze River and sieving by using a 200-mesh sieve; (3) putting the silt powder of the Yangtze River, a foam stabilizer and a foaming agent in the mass ratio of (75-90):(1-10):(1-10) into a ball-milling tank to carry out dry ball milling for 2-4 hours, wherein the mass ratio of the to-be-milled materials and ball-milling medium balls is 1:(1.5-2.5); and (4) putting the mixture obtained in the step (3) into a mould to carry out hard fire at the temperature of 1170-1200 DEG C. According to the invention, the silt of the Yangtze River is adopted as the main raw material; and the prepared super-light foaming ceramic plate is simple in production process, low in cost, good in fireproof performance, low in water absorption and convenient for construction and can be popularized and applied to the field of the external wall insulation of buildings.
Description
Technical field
The present invention relates to a kind of Ultralight foamed ceramic material preparation method, especially relate to a kind of method of utilizing the Changjiang river mud to prepare Ultralight foamed ceramic material.
Background technology
Along with the development of economic society and the quickening of urbanization process, the contradictions such as the alluvial problem in river course, environmental problem.How to dispose riverway sludge, seek the most effective practicable solution route, realize the comprehensive utilization of resource, become the important topic of social concerns.At present, the processing mode of mud mainly contains Ocean dumping, landfill, Fertilizer Transformed, energy and building materials etc.At present the Ultralight foamed ceramic density of preparation is larger take mud as raw material, and thermal conductivity, water-intake rate are high, and fire resistance is relatively poor.For example, the disclosed method of utilizing Yellow River mud and mud to prepare Superlight ceramsites of CN102765929 A, utilize Yellow River mud, mud and clay to be raw material (its medium clay soil accounts for more than 60%), the preparation Superlight ceramsites, this haydite outward appearance Vandyke brown or bright black, surface irregularity is globular solids, loose volume weight 290 kg/m
3～410kg/m
3, particle unit weight 440kg/m
3～900kg/m
3, water-intake rate 4.4%～8.7.0%.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of method of utilizing the Changjiang river mud to prepare Ultralight foamed ceramic material is provided, utilize the prepared Ultralight foamed ceramic material of the method not only to have good energy-saving heat preserving effect, and its fire-protection rating can reach the A1 level, the fire resistance excellence.
The technical solution adopted for the present invention to solve the technical problems is: a kind of method of utilizing the Changjiang river mud to prepare Ultralight foamed ceramic material may further comprise the steps:
(1) the Changjiang river mud is carried out drying and processing, make its water ratio≤1%;
(2) the Changjiang river mud of water ratio≤1% is pulverized, crossed 200 mesh sieves;
(3) with the Changjiang river mud powder of step (2) gained with suds-stabilizing agent, whipping agent in mass ratio (75～90): (1～10): the ratio of (1～10) is packed into and is carried out dry ball milling in the ball grinder and process, control treats that the mass ratio of grind materials and ball-milling medium ball is 1:(1.5～2.5), ball milling 2h～4h gets compound;
(4) step (3) gained compound is put into mould and carried out high temperature and burn till, maximum sintering temperature is controlled at 1170 ℃～1210 ℃; Firing time 30min～50min.
Further, in the step (3), describedly treat that the mass ratio of grind materials and ball-milling medium ball is 1:2, ball milling 3h.
Further, in the step (4), described maximum sintering temperature is controlled at 1180 ℃～1200 ℃.
Further, in the step (3), described suds-stabilizing agent is to be selected from least a in yellow soda ash, glass powder or the Sodium Tetraborate.Two or more mixture in preferred yellow soda ash, glass powder or the Sodium Tetraborate.Consider the preferred industrial sodium carbonate of described yellow soda ash from the cost angle.
Further, in the step (3), described whipping agent is that calcium carbonate is or/and silicon carbide.Consider preferred technical calcium carbonate from the cost angle.
Studies show that, the Changjiang river mud mainly is comprised of quartz, clay class mineral, feldspathoid, and other contains a small amount of carbonate, and vitriol, microcosmic salt and the organism of trace belong to take silicates as main resource, are the better raw materials of producing building product.And many brick and tile enterprise faces the awkward situation that can dig without soil; and country is also improving constantly the protection of cultivated land resource; mud is made New Building Materials to substitute conventional clay building materials processed; not only the contained toxic organics of mud will thoroughly be decomposed; no longer environment is worked the mischief; and being conducive to the maximum using of resource, mud can become just through high temperature sintering that use value is high, the material of construction of good energy-conserving effect, environmental benefit, remarkable in economical benefits.
The prepared Ultralight foamed ceramic of the present invention material (sheet material) reaches following technical indicator: unit weight 150kg/m
3～230kg/m
3, fire-protection rating reaches the A1 level, thermal conductivity 0.04w/mk～0.10w/mk, and tensile strength 〉=0.12MPa, ultimate compression strength reaches 1.5MPa～2.5MPa, water-intake rate≤5%, freeze-thaw-circulates more than 30 times.
The present invention is take the Changjiang river mud as main raw material, fully without clay, it is simple that the Ultralight foamed ceramic material of preparation has production technique, the advantage that production cost is low, the Ultralight foamed ceramic material of making has that fire resistance is good, the characteristics such as water-absorbent is low, easy construction, can carry out large-scale promotion application in the building exterior wall heat preserving field.
Use the present invention, can make used for building exterior wall Ultralight foamed ceramic insulated fire sheet material, also can make the Ultralight foamed ceramic heat preservation fireproofing material of other shape.
Embodiment
The invention will be further described below in conjunction with embodiment.
Embodiment 1
The present embodiment may further comprise the steps:
(1) the Changjiang river mud is carried out drying and processing, make its water ratio reach 1%;
(2) the Changjiang river mud material after will drying is pulverized, and crosses 200 mesh sieves;
(3) the Changjiang river mud powder 4.0kg, industrial sodium carbonate 0.3kg, glass powder 0.2kg, the technical calcium carbonate 0.5kg of step (2) gained packed into together carry out dry ball milling in the ball grinder and process, control treats that the mass ratio of grind materials and ball-milling medium ball is 1:2, ball milling 3h gets compound;
(4) step (3) gained compound is put into mould and carried out high temperature and burn till, firing temperature is controlled at 1180 ℃, firing time 45min.
The sheets thus obtained section product of the present embodiment detects according to relevant national standard, unit weight 230kg/m
3, fire-protection rating reaches the A1 level and does not fire, thermal conductivity 0.08w/mk, tensile strength 0.14MPa, ultimate compression strength 2.0MPa, water-intake rate 5%, freeze-thaw-circulation 30 times.
Embodiment 2
The present embodiment may further comprise the steps:
(1) the Changjiang river mud is carried out drying and processing, make its water ratio reach 0.9%;
(2) the Changjiang river mud material after will drying is pulverized, and crosses 200 mesh sieves;
(3) the Changjiang river mud powder 4.0kg, industrial sodium carbonate 0.3kg, glass powder 0.3kg, Sodium Tetraborate 0.2 kg, the technical calcium carbonate 0.2kg of step (2) gained packed into together carry out dry ball milling in the ball grinder and process, control treats that the mass ratio of grind materials and ball-milling medium ball is 1:1.8, ball milling 3.5h gets compound;
(4) step (3) gained compound is put into mould and carried out high temperature and burn till, firing temperature is controlled at 1200 ℃; Firing time 30min.
The sheets thus obtained section product of the present embodiment detects according to relevant national standard, unit weight 160 kg/m
3, fire-protection rating reaches the A1 level and does not fire, thermal conductivity 0.06w/mk, tensile strength 0.12MPa, ultimate compression strength 1.8MPa, water-intake rate 4%, freeze-thaw-circulation 33 times.
Embodiment 3
The present embodiment may further comprise the steps:
(1) the Changjiang river mud is carried out drying and processing, its water ratio is reached below 1%;
(2) the Changjiang river mud material after will drying is pulverized, and crosses 200 mesh sieves;
(3) the Changjiang river mud powder 4.0kg, industrial sodium carbonate 0.3kg, glass powder 0.2kg, the technical calcium carbonate 0.3kg of step (2) gained packed into together carry out dry ball milling in the ball grinder and process, control treats that the mass ratio of grind materials and ball-milling medium ball is 1:2, ball milling 3h gets compound;
(4) step (3) gained compound is put into mould and carried out high temperature and burn till, firing temperature is controlled at 1200 ℃; Firing time 32min.
The sheets thus obtained section product of the present embodiment detects according to relevant national standard, unit weight 220kg/m
3, fire-protection rating reaches the A1 level and does not fire, thermal conductivity 0.09w/mk, tensile strength 0.16MPa, ultimate compression strength 2.3MPa, water-intake rate 5%, freeze-thaw-circulation 32 times.
Embodiment 4
The present embodiment may further comprise the steps:
(1) the Changjiang river mud is carried out drying and processing, its water ratio is reached below 1%;
(2) the Changjiang river mud material after will drying is pulverized, and crosses 200 mesh sieves;
(3) the Changjiang river mud powder 4.0kg, industrial sodium carbonate 0.2kg, glass powder 0.2kg, Sodium Tetraborate 0.1kg, technical calcium carbonate 0.2kg, silicon carbide 0.3 kg of step (2) gained packed into together carry out dry ball milling in the ball grinder and process, control treats that the mass ratio of grind materials and ball-milling medium ball is 1:2.2, ball milling 2.5h gets compound;
(4) step (3) gained compound is put into mould and carried out high temperature and burn till, maximum sintering temperature is controlled at 1190 ℃, firing time 40min.
The sheets thus obtained section product of the present embodiment detects according to relevant national standard, unit weight 155 kg/m
3, fire-protection rating reaches the A1 level and does not fire, thermal conductivity 0.05w/mk, tensile strength 0.13MPa, ultimate compression strength 1.7MPa, water-intake rate 5%, freeze-thaw-circulation 34 times.
Claims (6)
1. a method of utilizing the Changjiang river mud to prepare Ultralight foamed ceramic material is characterized in that, may further comprise the steps:
(1) the Changjiang river mud is carried out drying and processing, make its water ratio≤1%;
(2) the Changjiang river mud material after will drying is pulverized, and crosses 200 mesh sieves;
(3) with the Changjiang river mud powder of step (2) gained with suds-stabilizing agent, whipping agent in mass ratio (75～90): (1～10): the ratio of (1～10) is packed into and is carried out dry ball milling in the ball grinder and process, control treats that the mass ratio of grind materials and ball-milling medium ball is 1:(1.5～2.5), ball milling 2h～4h gets mixture;
(4) step (3) gained compound is put into mould and carried out high temperature and burn till, maximum sintering temperature is controlled at 1170 ℃～1210 ℃, firing time 30min～50min.
2. the method for utilizing the Changjiang river mud to prepare Ultralight foamed ceramic material according to claim 1 is characterized in that, in the step (3), describedly treats that the mass ratio of grind materials and ball-milling medium ball is 1:2, ball milling 3h.
3. the method for utilizing the Changjiang river mud to prepare Ultralight foamed ceramic material according to claim 1 is characterized in that, in the step (4), described maximum sintering temperature is controlled at 1180 ℃～1200 ℃.
4. according to claim 1, the 2 or 3 described methods of utilizing the Changjiang river mud to prepare Ultralight foamed ceramic material, it is characterized in that, in the step (3), described suds-stabilizing agent is a kind of in yellow soda ash, glass powder or the Sodium Tetraborate.
5. according to claim 1, the 2 or 3 described methods of utilizing the Changjiang river mud to prepare Ultralight foamed ceramic material, it is characterized in that, in the step (3), described suds-stabilizing agent is mixture two or more in yellow soda ash, glass powder and the Sodium Tetraborate.
6. according to claim 1, the 2 or 3 described methods of utilizing the Changjiang river mud to prepare Ultralight foamed ceramic material, it is characterized in that, in the step (3), described whipping agent is that technical calcium carbonate is or/and silicon carbide.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100186133A CN103044070A (en) | 2013-01-18 | 2013-01-18 | Method for preparing super-light foaming ceramic material by utilizing silt of Yangtze River |
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| CN2013100186133A CN103044070A (en) | 2013-01-18 | 2013-01-18 | Method for preparing super-light foaming ceramic material by utilizing silt of Yangtze River |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105198481A (en) * | 2015-09-24 | 2015-12-30 | 武汉理工大学 | Method for utilizing Yellow River silt and red mud for preparing foaming ceramic heat insulating and preserving plate |
| CN105272157A (en) * | 2015-09-24 | 2016-01-27 | 沈阳建筑大学 | Method for preparation of lightweight ceramsite from shells and silt |
| CN106866176A (en) * | 2017-02-15 | 2017-06-20 | 常州大学 | A kind for the treatment of technology of leather-making mud and gangue |
| CN110407556A (en) * | 2019-08-05 | 2019-11-05 | 淮北市菲美得环保科技有限公司 | A kind of method and its application preparing high-strength light foam ceramic tile using municipal sludge |
| CN110981428A (en) * | 2019-12-10 | 2020-04-10 | 谢贵全 | SCS sub-nano silicon spar and preparation method thereof |
| CN114163246A (en) * | 2021-03-02 | 2022-03-11 | 武汉理工大学 | Dry powder preparation process of foamed ceramic |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102503506A (en) * | 2011-10-18 | 2012-06-20 | 一方科技发展有限公司 | Foamed ceramic thermal insulation plate and manufacture method thereof |
| CN102731137A (en) * | 2011-04-07 | 2012-10-17 | 徐孝华 | Lightweight foam composite ceramic heat-preservation material |
-
2013
- 2013-01-18 CN CN2013100186133A patent/CN103044070A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102731137A (en) * | 2011-04-07 | 2012-10-17 | 徐孝华 | Lightweight foam composite ceramic heat-preservation material |
| CN102503506A (en) * | 2011-10-18 | 2012-06-20 | 一方科技发展有限公司 | Foamed ceramic thermal insulation plate and manufacture method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105198481A (en) * | 2015-09-24 | 2015-12-30 | 武汉理工大学 | Method for utilizing Yellow River silt and red mud for preparing foaming ceramic heat insulating and preserving plate |
| CN105272157A (en) * | 2015-09-24 | 2016-01-27 | 沈阳建筑大学 | Method for preparation of lightweight ceramsite from shells and silt |
| CN106866176A (en) * | 2017-02-15 | 2017-06-20 | 常州大学 | A kind for the treatment of technology of leather-making mud and gangue |
| CN110407556A (en) * | 2019-08-05 | 2019-11-05 | 淮北市菲美得环保科技有限公司 | A kind of method and its application preparing high-strength light foam ceramic tile using municipal sludge |
| CN110981428A (en) * | 2019-12-10 | 2020-04-10 | 谢贵全 | SCS sub-nano silicon spar and preparation method thereof |
| CN114163246A (en) * | 2021-03-02 | 2022-03-11 | 武汉理工大学 | Dry powder preparation process of foamed ceramic |
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Application publication date: 20130417 |