CN1013035B - 建筑材料 - Google Patents
建筑材料Info
- Publication number
- CN1013035B CN1013035B CN85105951A CN85105951A CN1013035B CN 1013035 B CN1013035 B CN 1013035B CN 85105951 A CN85105951 A CN 85105951A CN 85105951 A CN85105951 A CN 85105951A CN 1013035 B CN1013035 B CN 1013035B
- Authority
- CN
- China
- Prior art keywords
- construction
- lime
- particle
- calcium
- weight
- 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.)
- Expired
Links
- 239000004566 building material Substances 0.000 title claims abstract description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 11
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 11
- 239000004571 lime Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000010881 fly ash Substances 0.000 claims abstract description 6
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000013078 crystal Substances 0.000 claims abstract description 3
- 229910001653 ettringite Inorganic materials 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims description 14
- 238000010276 construction Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 11
- 239000002956 ash Substances 0.000 claims description 7
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical group [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 5
- 239000000920 calcium hydroxide Substances 0.000 claims description 5
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000008188 pellet Substances 0.000 claims description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 claims 1
- 239000010883 coal ash Substances 0.000 claims 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000292 calcium oxide Substances 0.000 abstract description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract description 4
- 159000000007 calcium salts Chemical class 0.000 abstract description 2
- 238000007596 consolidation process Methods 0.000 abstract 2
- 239000000404 calcium aluminium silicate Substances 0.000 abstract 1
- 235000012215 calcium aluminium silicate Nutrition 0.000 abstract 1
- WNCYAPRTYDMSFP-UHFFFAOYSA-N calcium aluminosilicate Chemical compound [Al+3].[Al+3].[Ca+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O WNCYAPRTYDMSFP-UHFFFAOYSA-N 0.000 abstract 1
- 229940078583 calcium aluminosilicate Drugs 0.000 abstract 1
- 239000000378 calcium silicate Substances 0.000 abstract 1
- 229910052918 calcium silicate Inorganic materials 0.000 abstract 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Processing Of Solid Wastes (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
粒状建筑材料是由天然或人工火山灰和重量不多于5%的石灰(以氧化钙计算)制成的，粒料通过火山灰胶结形式达到内部胶结，包括由钙矾石晶体和非晶形硅酸钙、铝酸钙或硅铝酸钙或任何两种甚至更多种的钙盐的混合物形成的机械胶结，火山灰最好是粉煤灰。
Description
本发明涉及建筑材料，特别是粒状形式的建筑材料，例如：颗粒的形式，尤其是用于生产轻型建筑模块的骨料。
本发明提供了一种粒状形式或颗粒建筑材料（以下称为颗粒）。这种材料是由天然或人工火山灰和重量不多于5%的石灰（以氧化钙计算）制成的。粒料通过火山灰胶结形式达到内部胶结。包括由晶体和非晶体形硅酸钙，铝酸钙或硅酸钙，或任何两种甚至更多种钙盐的混合物形成的力学胶结。
尽管我们可以使用其它天然或人工火山灰，但本发明建筑材料中的火山灰最好选用粉煤灰。
本发明的材料可由火山灰同不多于5%重量的石灰（以氧化钙计算）混合而成，以用氢氧化钙为好;将混合物成型为粒状并于35℃～80℃，最好于50℃～80℃在控制空气湿度的环境下使颗粒固化。
使用粉煤灰和3%氢氧化钙（以氧化钙计算，2.25%）的混合物，在50℃、两小时的短时间内即可达到胶结，所得颗粒的抗碎强度可高达10牛顿/厘米2。颗粒的抗碎强度在六个月之内还可继续提高。曾有记录，在六个月之后，颗粒的抗碎强度可高达500牛顿/厘米2。
在50℃，经过六～十小时的固化，可制成抗碎强度约为50牛顿/厘米2的颗粒。
在这样短的时间内能获得这样大的强度是令人惊异的，特别是在石灰混入量极低的情况下。通常认为，粉煤灰和石灰的混合物要达到火山灰胶结，石灰的用量需超过5%而且也需要较长的固化时间。一般说来，在形成强胶结之前，至少需要几天的时间。
用任一指定的造粒方法，都可制得尺寸范围通常为5～15mm的颗粒。比如，用造粒机例如转鼓或非球形造粒机进行生产，或者通过使固体变颗粒的过程，或者挤压，或者用开槽的辊筒压实混合物料并把形成的条带切割成要求的长度。
附图表示了由97%的粉煤灰和3%石灰的混合物经50℃固化并经9厘米转鼓选粒后所得颗粒的抗碎强度与固化时间的关系。
颗粒内胶结性质通过X线衍射和我的荧光化学分析法测定。
Claims (10)
1、粒状建筑材料，由粉煤灰和不多于5%(重量)的石灰(以CaO计)制成，该粒料通过火山灰胶结形式达到内部胶结，所说的包括由钙矾石晶体和非晶体形硅酸钙，铝酸钙或硅铝酸钙或其混合物形成的力学胶结。
2、权利要求1的建筑材料，其中颗粒尺寸为5-5mm
3、权利要求1的建筑材料，其中石灰为氢氧化钙。
4、权利要求3的建筑材料，其中氢氧化钙量为3%（重量）。
5、权利要求1的建筑材料，其中颗粒抗碎强度可高达10牛顿/厘米2。
6、权利要求1的建筑材料，其中颗粒抗碎强度可高达50牛顿/厘米2。
7、权利要求1的建筑材料，其中颗粒抗碎强度可高达500牛顿/厘米2。
8、制造权利要求1所述建筑材料的方法，其中包括将煤灰与不多于5%（重量）的石灰（以CaO计）混合，将混合物成型为粒状并在35℃～80℃于控制空气湿度的环境下使颗粒固化。
9、权利要求8的方法，其中温度为50-80℃
10、权利要求8的方法，其中石灰为氢氧化钙。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85105951A CN1013035B (zh) | 1984-04-12 | 1985-08-06 | 建筑材料 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB08409468A GB2158430A (en) | 1984-04-12 | 1984-04-12 | Building materials |
| CN85105951A CN1013035B (zh) | 1984-04-12 | 1985-08-06 | 建筑材料 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85105951A CN85105951A (zh) | 1987-02-25 |
| CN1013035B true CN1013035B (zh) | 1991-07-03 |
Family
ID=25741933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85105951A Expired CN1013035B (zh) | 1984-04-12 | 1985-08-06 | 建筑材料 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1013035B (zh) |
-
1985
- 1985-08-06 CN CN85105951A patent/CN1013035B/zh not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN85105951A (zh) | 1987-02-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Applicant after: He graneau Co. Ltd. Applicant before: Granulite Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: GRANULITE LTD. TO: ENSOR GRINU CO., LTD. |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |