CN102515832A - Spherical attapulgite fly ash ceramsites - Google Patents
Spherical attapulgite fly ash ceramsites Download PDFInfo
- Publication number
- CN102515832A CN102515832A CN2011103523341A CN201110352334A CN102515832A CN 102515832 A CN102515832 A CN 102515832A CN 2011103523341 A CN2011103523341 A CN 2011103523341A CN 201110352334 A CN201110352334 A CN 201110352334A CN 102515832 A CN102515832 A CN 102515832A
- Authority
- CN
- China
- Prior art keywords
- fly ash
- ceramsites
- attapulgite
- spherical
- flyash
- 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.)
- Granted
Links
- 229960000892 attapulgite Drugs 0.000 title claims abstract description 56
- 229910052625 palygorskite Inorganic materials 0.000 title claims abstract description 56
- 239000010881 fly ash Substances 0.000 title claims abstract description 55
- 239000004927 clay Substances 0.000 claims abstract description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000843 powder Substances 0.000 claims abstract description 14
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 9
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 9
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000428 dust Substances 0.000 claims abstract description 8
- 239000002023 wood Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000012216 screening Methods 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 9
- 238000005469 granulation Methods 0.000 claims description 8
- 230000003179 granulation Effects 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000011810 insulating material Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 239000006004 Quartz sand Substances 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000005453 pelletization Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000002956 ash Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 206010006895 Cachexia Diseases 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 231100000481 chemical toxicant Toxicity 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009775 high-speed stirring Methods 0.000 description 1
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 208000016318 wasting Diseases 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- 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
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses spherical attapulgite fly ash ceramsites. The key point of the technical scheme of the invention is that: the spherical attapulgite fly ash ceramsites consist of high-viscosity attapulgite clay powder, attapulgite clay tailing powder, fly ash, kaolin tailing powder, quartz sand tailing powder and wood dust powder. The spherical attapulgite fly ash ceramsites are prepared by mixing, pelletizing, baking, cooling, screening and packaging ingredients of the spherical attapulgite fly ash ceramsites. The spherical attapulgite fly ash ceramsites are spherical, are rough and firm on the surfaces, are provided with a large quantity of fine air holes, and are building ceramsites with light weight, high strength, low heat conduction coefficient, high refractability, high chemical stability, durability and high heat preserving and sound insulating performance. The spherical attapulgite fly ash ceramsites are produced by comprehensively utilizing fly ash and tailings. Resource utilization ratio is increased, waste is turned into valuable, and the environment is protected. The spherical attapulgite fly ash ceramsites are suitable for producing ceramsite concrete and heat preserving and sound insulating materials.
Description
Technical field
The present invention relates to haydite, be specifically related to a kind of spheroidal attapulgite flyash haydite.
Background technology
Mineral Resources in China 80% is for being total to associated minerals, and a large amount of valuable resources retain among the mine tailing, and tailings impoundment need take a large amount of soils.Exceed the time limit in a lot of mine tailing storehouses or sh is used, even violation operation, makes the mine tailing stock in great potential safety hazard, and the people's property and the life security of surrounding area caused serious threat.
Flyash is to receive the thin ash of catching the flue gas behind coal combustion; Flyash also is the main solid waste that the coal-burning power plant discharges; Be one of bigger industrial residue of the current discharge capacity of China, along with development of electric power industry, the flyash quantity discharged of coal-burning power plant increases year by year.A large amount of flyash does not add processing, will produce airborne dust, atmosphere pollution; If entering water system can cause the river to silt up, and toxic chemical substance wherein also can work the mischief to human body and biology.
Chinese patent Granted publication CN 1256303 C, on May 17 2006 Granted publication day, name is called " high-intensity lytag and production technique thereof "; Disclose a kind of high-intensity lytag and production technique thereof, be with flyash, clay, combustion-supporting material, contain or do not contain the additives composition, this product is widely used in material of construction and materials for wall; Less investment, cost is low, is convenient to penetration and promotion; Utilize industrial residue, turn waste into wealth, help environment protection.It is characterized in that the prescription that it contains by following weight percent is that raw material is processed: flyash: 75～90%, clay: 5～20%, combustion-supporting material: 1～5%.
The weak point of above-mentioned patent is: high-intensity lytag is with flyash, clay, combustion-supporting material, contains or do not contain the additives composition; Though flyash can generate pore through the burning back in haydite; But the amount of pore is less relatively, and the viscosity of clay is lower than 200
MPasBelow, to carry out balling-up after using clay and flyash to mix merely and be haydite, the intensity of its haydite is less, add the intensity after water glass can improve the haydite balling-up, but through behind 1100～1300 ℃ of high temperature sinterings, the intensity of finished product will descend significantly.
Summary of the invention
The objective of the invention is to overcome weak point in the prior art, a kind of spheroidal attapulgite flyash haydite is provided.
Spheroidal attapulgite flyash haydite is made up of the sticking attapulgite clay powder of height, attapulgite clay mine tailing, flyash, kaolin mine tailing, silica sand mine tailing and wood dust.
The working method of spheroidal attapulgite flyash haydite: is spheroidal attapulgite flyash haydite with the batching of spheroidal attapulgite flyash haydite through mix, granulation, roasting, cooling and screening and packing.
Attapulgite clay be a kind of layer of chain-like structure contain Shuifu County's zeopan clay mineral; The attapulgite clay soil property is fine and smooth; Water-absorbent is strong; Tool viscosity and plasticity-help the bonding between the raw material when wet, can improve granule strength, sticking power and the porosity of spheroidal attapulgite flyash haydite.
High sticking attapulgite clay powder is meant gets 28.0g attapulgite clay powder sample; Add in the suspension-s cup of impeller, add 372g water again, the suspension-s cup is placed on the impeller; Under 11000 rev/mins rotating speed, stirred 20 minutes; To pass through the high-speed stirring sample suspension again and pour in the beaker of 250ml, the viscosity of using NDJ-1 type rotational viscosimeter to test its suspension-s, tested viscosity value>=2200
MPasThe attapulgite clay powder be high sticking attapulgite clay powder, the height that the present invention selects for use glues attapulgite clay powder particles fineness≤0.074 millimeter.
The flyash staple is silicon-dioxide, aluminium sesquioxide, red oxide of iron, quicklime and uncompleted burned carbon, does not fire charcoal and is loose porous form more, the particle fineness of flyash≤0.10 millimeter.
The soft easy dispersion suspension of kaolin matter in water, have good plasticity-and higher cohesiveness, the Al2O3 content in the kaolin is higher, the intensity that helps improving spheroidal attapulgite flyash haydite with reduce maturing temperature.
Attapulgite clay and kaolin can mix in recovery process has a certain amount of rubble and earth; Can't sieve; Abandon as a kind of mine tailing; Cause a large amount of wastings of resources, the present invention is a mine tailing with attapulgite clay mine tailing and kaolin mine tailing pulverize separately, particle fineness≤0.10 millimeter.
The silica sand mine tailing helps improving the intensity of spheroidal attapulgite flyash haydite, the silica sand mine tailing particle fineness that the present invention selects for use≤0.15 millimeter.
It is in order to increase the porosity of spheroidal attapulgite flyash haydite that the present invention adopts wood dust, and spheroidal attapulgite flyash haydite is in roasting process, and the wood chip burning in the haydite is ashes, forms a large amount of micropores, the particle fineness of wood dust≤0.10 millimeter.
The present invention is achieved through following technical proposals:
1, the batching of spheroidal attapulgite flyash haydite is made up of following component by weight percentage: high sticking attapulgite clay powder 2～15%, attapulgite clay mine tailing 5～25%, flyash 45～75%, kaolin mine tailing 1～10%, silica sand mine tailing 1～10% and wood dust 1～10%.
2, import the granulating disc granulation after the batching adding stirrer for mixing of the working method of spheroidal attapulgite flyash haydite: ⑴ with spheroidal attapulgite flyash haydite, particle diameter is controlled at 3～30 millimeters; ⑵ the particle input internally heated type revolution roasting in kilns after with granulation, maturing temperature is controlled at 550～850 ℃, and roasting time was controlled at 1～5 hour; ⑶ cool off in the particle input rotary type cooling machine after with roasting, after overcooling and screening, be packaged as spheroidal attapulgite flyash haydite.
Screening is in order to remove chip and the ashes that spheroidal attapulgite flyash haydite produces in roasting process.
Because the granule strength after the granulation of the present invention is higher, when adopting the internally heated type rotary kiln to carry out roasting, maturing temperature is controlled at 550～850 ℃; Compare with 1100～1300 ℃ of high temperature sinterings of ordinary method; It is low to have sintering temperature, reduces energy consumption, the characteristics of the fast and low production cost of speed of cooling.
Spheroidal attapulgite flyash haydite is spheroidal, and epidermis is coarse and hard, and there is the number of fine pore inside, be a kind of in light weight, intensity is high, thermal conductivity is low, refractoriness is high, chemicalstability is good, weather resistance and the good building porcelain granule of heat preservation and soundproof performance.
The present invention fully utilizes flyash and mine tailing production spheroidal attapulgite flyash haydite, not only helps improving resource utilization, turns waste into wealth, and can also reduce land occupation, and protection environment and environment purification are to achieve many things at one stroke.
Spheroidal attapulgite flyash haydite is applicable to produces haydite concrete and heat-insulating and noise-insulating material.
Embodiment
Below in conjunction with embodiment the present invention is done further description:
1, the batching of spheroidal attapulgite flyash haydite is made up of following component by weight percentage: high sticking attapulgite clay powder 8%, attapulgite clay mine tailing 16%, flyash 63%, kaolin mine tailing 6%, silica sand mine tailing 4% and wood dust 3%.
2, import the granulating disc granulation after the batching adding stirrer for mixing of the working method of spheroidal attapulgite flyash haydite: ⑴ with spheroidal attapulgite flyash haydite, particle diameter is controlled at 8～10 millimeters; ⑵ the particle input internally heated type revolution roasting in kilns after with granulation, maturing temperature is controlled at 700～750 ℃, and roasting time was controlled at 3 hours; ⑶ cool off in the particle input rotary type cooling machine after with roasting, after overcooling and screening, be packaged as spheroidal attapulgite flyash haydite.
Claims (1)
1. spheroidal attapulgite flyash haydite; It is characterized in that the batching of spheroidal attapulgite flyash haydite is made up of following component by weight percentage: high sticking attapulgite clay powder 2～15%, attapulgite clay mine tailing 5～25%, flyash 45～75%, kaolin mine tailing 1～10%, silica sand mine tailing 1～10% and wood dust 1～10%;
Import the granulating disc granulation after the batching adding stirrer for mixing of the working method of said spheroidal attapulgite flyash haydite: ⑴ with spheroidal attapulgite flyash haydite, particle diameter is controlled at 3～30 millimeters; ⑵ the particle input internally heated type revolution roasting in kilns after with granulation, maturing temperature is controlled at 550～850 ℃, and roasting time was controlled at 1～5 hour; ⑶ cool off in the particle input rotary type cooling machine after with roasting, after overcooling and screening, be packaged as spheroidal attapulgite flyash haydite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103523341A CN102515832B (en) | 2011-11-10 | 2011-11-10 | Spherical attapulgite fly ash ceramsites |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103523341A CN102515832B (en) | 2011-11-10 | 2011-11-10 | Spherical attapulgite fly ash ceramsites |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102515832A true CN102515832A (en) | 2012-06-27 |
| CN102515832B CN102515832B (en) | 2013-08-14 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863204A (en) * | 2012-10-27 | 2013-01-09 | 盱眙县东强新型建材厂 | Attapulgite coal ash ceramicite insulating brick |
| CN102863203A (en) * | 2012-10-27 | 2013-01-09 | 盱眙县东强新型建材厂 | Production method of attapulgite coal ash ceramicite insulating plates |
| CN102875098A (en) * | 2012-10-27 | 2013-01-16 | 盱眙县东强新型建材厂 | Production method for unfired attapulgite river-bed silt ceramsite insulation board |
| CN102875102A (en) * | 2012-10-27 | 2013-01-16 | 盱眙县东强新型建材厂 | Production method for unfired attapulgite fire-resistant ceramsite insulation board |
| CN102924058A (en) * | 2012-11-22 | 2013-02-13 | 盱眙县东强新型建材厂 | Perforated brick prepared by sintering attapulgite and shale |
| RU2499773C1 (en) * | 2012-09-14 | 2013-11-27 | Юлия Алексеевна Щепочкина | Crude mixture for making expanded clay |
| RU2590178C1 (en) * | 2015-05-27 | 2016-07-10 | Юлия Алексеевна Щепочкина | Mixture for making porous filler |
| CN105924222A (en) * | 2016-04-22 | 2016-09-07 | 河海大学 | Attapulgite and biomass compound biological ceramsite and preparation method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2560451C1 (en) * | 2014-08-25 | 2015-08-20 | Юлия Алексеевна Щепочкина | Charge for manufacture of porous filler |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995006014A1 (en) * | 1993-08-25 | 1995-03-02 | Sopaca Michad Piotr | Body/ceramic/of clay for producing unburnt building materials and mortars used in the building industry |
| CN101475361A (en) * | 2009-02-13 | 2009-07-08 | 中央民族大学 | Preparation of clay haydite |
| CN102225870A (en) * | 2011-04-21 | 2011-10-26 | 合肥工业大学 | Attapulgite clay porous ceramsite, and preparation method and purpose thereof |
-
2011
- 2011-11-10 CN CN2011103523341A patent/CN102515832B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995006014A1 (en) * | 1993-08-25 | 1995-03-02 | Sopaca Michad Piotr | Body/ceramic/of clay for producing unburnt building materials and mortars used in the building industry |
| CN101475361A (en) * | 2009-02-13 | 2009-07-08 | 中央民族大学 | Preparation of clay haydite |
| CN102225870A (en) * | 2011-04-21 | 2011-10-26 | 合肥工业大学 | Attapulgite clay porous ceramsite, and preparation method and purpose thereof |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2499773C1 (en) * | 2012-09-14 | 2013-11-27 | Юлия Алексеевна Щепочкина | Crude mixture for making expanded clay |
| CN102863204A (en) * | 2012-10-27 | 2013-01-09 | 盱眙县东强新型建材厂 | Attapulgite coal ash ceramicite insulating brick |
| CN102863203A (en) * | 2012-10-27 | 2013-01-09 | 盱眙县东强新型建材厂 | Production method of attapulgite coal ash ceramicite insulating plates |
| CN102875098A (en) * | 2012-10-27 | 2013-01-16 | 盱眙县东强新型建材厂 | Production method for unfired attapulgite river-bed silt ceramsite insulation board |
| CN102875102A (en) * | 2012-10-27 | 2013-01-16 | 盱眙县东强新型建材厂 | Production method for unfired attapulgite fire-resistant ceramsite insulation board |
| CN102875102B (en) * | 2012-10-27 | 2013-12-11 | 盱眙县东强新型建材厂 | Production method for unfired attapulgite fire-resistant ceramsite insulation board |
| CN102924058A (en) * | 2012-11-22 | 2013-02-13 | 盱眙县东强新型建材厂 | Perforated brick prepared by sintering attapulgite and shale |
| CN102924058B (en) * | 2012-11-22 | 2013-10-09 | 盱眙县东强新型建材厂 | Perforated brick prepared by sintering attapulgite and shale |
| RU2590178C1 (en) * | 2015-05-27 | 2016-07-10 | Юлия Алексеевна Щепочкина | Mixture for making porous filler |
| CN105924222A (en) * | 2016-04-22 | 2016-09-07 | 河海大学 | Attapulgite and biomass compound biological ceramsite and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102515832B (en) | 2013-08-14 |
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Owner name: NANTONG HAODE ANTICORROSIVE EQUIPMENT CO., LTD. Free format text: FORMER OWNER: XU QINGHUA Effective date: 20131111 |
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Free format text: CORRECT: ADDRESS; FROM: 211700 HUAIAN, JIANGSU PROVINCE TO: 226300 NANTONG, JIANGSU PROVINCE |
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Effective date of registration: 20131111 Address after: 226300, Tongzhou District, Nantong Province, two Li Town, Jiangsu Industrial Zone (bright west road, the first 150 meters) Patentee after: Nantong Haode Anti-Corrosion Equipment Co., Ltd. Address before: 211700 Huaian City, Jiangsu province Xuyi County Xu town of Stonebridge Road No. 40 Patentee before: Xu Qinghua |