CN104692739A - Stone saw mud self-insulation light block and preparation method thereof - Google Patents
Stone saw mud self-insulation light block and preparation method thereof Download PDFInfo
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- CN104692739A CN104692739A CN201510047660.XA CN201510047660A CN104692739A CN 104692739 A CN104692739 A CN 104692739A CN 201510047660 A CN201510047660 A CN 201510047660A CN 104692739 A CN104692739 A CN 104692739A
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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
- 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
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Abstract
The invention relates to a self-insulation wall material and a preparation method thereof. A stone saw mud self-insulation light block is characterized by comprising the following raw materials in percentage by weight: 60-67% of stone saw mud, 14-18% of lime, 2-6% of desulfurization gypsum, 12-18% of cement, 0.10-0.14% of aluminum powder based on the total mass of the stone saw mud, lime, desulfurization gypsum and cement and 0.01-0.02% of foam stabilizer based on the total mass of the stone saw mud, lime, desulfurization gypsum and cement. According to the stone saw mud self-insulation light block provided by the invention, the stone saw mud is used as a main raw material while the solid waste desulfurization gypsum is adopted, and the utilization rate of solid wastes is high up to over 60%. In the production process, grinding and drying of the main raw material stone saw mud are not needed, and thus the production cost is remarkably reduced; and meanwhile, through safe and reliable treatment on the solid wastes, environmental pollution is avoided, and the stone saw mud self-insulation light block has the characteristic of environmental friendliness.
Description
Technical field
The present invention relates to a kind of self-insulation wall material and preparation method thereof, particularly relate to a kind of stone material that utilizes and saw clay standby Novel self-heat preserving materials for wall (light block) and preparation method thereof, belong to building material field.
Background technology
Current China solid waste annual production number is large, and reach over ten billion ton, these solid waste not only occupy a large amount of land resources, and to environment, the even obstruction river had or destruction farmland vegetation.Solid waste is of a great variety, enormous amount, and being turned waste into wealth is the effective way processing solid waste.
Need to use cooling lubricant and cutting fluid during stone material cutting, cutting fluid is made up of emulsifying agent, lubricating oil and precipitation agent, and pH value is slightly acidic.A small amount of cutting fluid is remained in stone material saw mud.
At present, the main methods of China's stone material saw mud is deposited in man-made lake or stockyard, and along with the large-scale development of stone material industry, this saw mud is cumulative.A medium scale processing of stone enterprise, every year by the saw mud of discharge more than 1,000,000 tons.The solid waste that this particle is tiny easily produces underground water source and neighbouring air to be polluted, and has an impact to the acid-basicity of soil.
Self-insulating light density of building block is about 1/3 of common brick, and thermal conductivity is much smaller than common brick, and therefore, the feature such as its light weight had, fire prevention, heat insulation, sound insulation, insulation, toxicological harmless, can be applicable in nonweight-bearing construction wall engineering.
Summary of the invention
A kind of stone material is the object of the present invention is to provide to saw mud self-insulating light building block and preparation method thereof, the utilization ratio of the method solid waste (saw mud) is high, can reach more than 60%, production cost is low, has carried out safe and reliable punishment to solid waste simultaneously.
For achieving the above object, the technical solution used in the present invention is: the building block of a kind of stone material saw mud self-insulating light, it is characterized in that it is prepared from by comprising stone material saw mud, lime, desulfurated plaster, cement, aluminium powder and suds-stabilizing agent raw material; In stone material saw mud, lime, desulfurated plaster and cement, each raw material accounts for total weight percent and is: stone material saw mud 60%-67%, lime 14%-18%, desulfurated plaster 2%-6%, cement 12%-18%, aluminium powder is the 0.10%-0.14% of stone material saw mud, lime, desulfurated plaster and cement quality summation, and suds-stabilizing agent is the 0.01%-0.02% of stone material saw mud, lime, desulfurated plaster and cement quality summation.
In such scheme, SiO in described stone material saw mud (solid waste produced during stone material cutting)
2content>=70% (quality), fineness be 0.08mm square hole sieve tail over≤15%, water ratio is 18%-25% (quality).
In such scheme, effective CaO content >=65% (quality) in described lime, digestion condition >=60 DEG C, fineness through grinding be 0.08mm square hole sieve tail over≤10%.
In such scheme, SO in described desulfurated plaster
3content>=40% (quality), fineness be 0.08mm square hole sieve tail over≤10%.
In such scheme, described cement is the ordinary Portland cement of 42.5MPa strength grade.
In such scheme, described suds-stabilizing agent manufacturer is Jiangshan City bioid in Tian Shuan Year factory, and model is GT-717, act as raising pouring stability, improves air hole structure, reduces gross blow hole, avoids goods top, middle part, bottom unit weight generation bias phenomenon.
The preparation method of above-mentioned a kind of stone material saw mud self-insulating light building block, is characterized in that it comprises the steps:
1) accounting for total weight percent by each raw material in stone material saw mud, lime, desulfurated plaster and cement is: stone material saw mud 60%-67%, lime 14%-18%, desulfurated plaster 2%-6%, cement 12%-18%, aluminium powder is the 0.10%-0.14% of stone material saw mud, lime, desulfurated plaster and cement quality summation, suds-stabilizing agent is the 0.01%-0.02% of stone material saw mud, lime, desulfurated plaster and cement quality summation, choose stone material saw mud, lime, desulfurated plaster, cement, aluminium powder and suds-stabilizing agent, for subsequent use;
2) stone material is sawed mud in advance and desulfurated plaster is prepared into the slip that mass concentration is 60%-65%, stir afterwards with through the lime of grinding, cement, aluminium powder, suds-stabilizing agent, mixing water (water) is added during stirring, stir after-pouring in mould, quietly to stop the precuring of temperature 35 DEG C-45 DEG C is indoor, be 1-2h between the quiet stopping time, after treating that idiosome has some strength (intensity that can cut), cut and send into autoclave and carry out autoclave curing, obtain the building block of stone material saw mud self-insulating light.
In such scheme, add mixing water with through the lime of grinding, cement, aluminium powder, suds-stabilizing agent when stirring, mixing water water temperature is normal temperature, and ratio of water to material is 0.60-0.64.
In such scheme, autoclave curing technique is boosting, holds pressure, step-down, and pressure rising time is 1.5-2h, and holding the pressure time is 7-8h, and dip time is 1-1.5h; Maintenance pressure is 1MPa-1.5MPa.
The stone material saw mud self-insulating light building block that the present invention produces detects according to GB11968-2006 " autoclave aerated concrete building block " and GB/T11969-2008 " steam-pressing aero-concrete method for testing performance ", and dry density rank is B05, and intensity rank is A2.5.
The stone material saw mud self-insulating light building block that the present invention produces is through inspection, and radioactivity reaches the standard-required of construction main body material in GB6566-2010 " radioactive material radionuclides limitation ".
Thermal conductivity≤the 0.12w/ (mk) of the stone material saw mud self-insulating light building block of preparation, reaches the requirement of wall self-thermal insulation material technical indicator.
The invention has the beneficial effects as follows: stone material saw mud self-insulating light provided by the invention building block uses stone material saw mud for main raw material [using solid waste stone material saw mud to replace flyash or sand to produce self-insulating light building block], the solid waste simultaneously used has desulfurated plaster, utilization rate of solid waste is high, can reach more than 60%.In production process, main raw material stone material saw mud is without the need to carrying out grinding and oven dry, greatly reduces production cost, has carried out safe and reliable punishment simultaneously, avoided environment contaminated, have the feature of environmental protection to solid waste.
Embodiment
Below in conjunction with embodiment, the present invention is conducted further description, but protection content of the present invention should not be construed as and is confined to following examples.
In following embodiment: SiO in described stone material saw mud (solid waste produced during stone material cutting)
2content>=70% (quality), fineness be 0.08mm square hole sieve tail over≤15%, water ratio is 18%-25% (quality).Effective CaO content >=65% (quality) in described lime, digestion condition >=60 DEG C, fineness through grinding be 0.08mm square hole sieve tail over≤10%.SO in described desulfurated plaster
3content>=40% (quality), fineness be 0.08mm square hole sieve tail over≤10%.Described cement is the ordinary Portland cement of 42.5MPa strength grade.Described suds-stabilizing agent manufacturer is Jiangshan City bioid in Tian Shuan Year factory, and model is GT-717, act as raising pouring stability, improves air hole structure, reduces gross blow hole, avoids goods top, middle part, bottom unit weight generation bias phenomenon.
Embodiment 1
The building block of a kind of stone material saw mud self-insulating light, it is prepared from by comprising stone material saw mud, lime, desulfurated plaster, cement, aluminium powder and suds-stabilizing agent raw material; Each raw material accounts for total weight percent: stone material saw mud 65%, cement 16.5%, lime 15%, desulfurated plaster 3.5%, aluminium powder is 0.12% of stone material saw mud, lime, desulfurated plaster and cement quality summation, and suds-stabilizing agent is 0.01% of stone material saw mud, lime, desulfurated plaster and cement quality summation.
The preparation method of above-mentioned a kind of stone material saw mud self-insulating light building block, it comprises the steps: stone material to saw mud and desulfurated plaster after electronic scale precise, add tap water, prepare prefabricated slip [mass concentration is the slip of 62%] according to proportioning, prefabricated slip is injected in hold-up vessel for subsequent use.To join in prefabricated slip after weighing through the lime of grinding, cement, aluminium powder, suds-stabilizing agent again, [mixing water water temperature is normal temperature to add mixing water, ratio of water to material is 0.62], common stirring 90s, built by uniform slip and carry out precuring in mould inherent quiet stopping in room, precuring chambers temp is 45 DEG C, and the precuring time is 1h, building block idiosome after precuring has certain intensity (intensity that can cut), sends in cutting machine and cuts.The idiosome of well cutting is sent into autoclave and carries out autoclave curing, pressure rising time is 2h, and holding the pressure time is 7h, and dip time is 1.5h, and holding in the pressure time pressure in autoclave is 1.5MPa.Building block after maintenance goes out still and piles up, and obtains the building block of stone material saw mud self-insulating light.
The stone material saw mud self-insulating light building block of producing in the present embodiment detects according to GB11968-2006 " autoclave aerated concrete building block " and GB/T11969-2008 " steam-pressing aero-concrete method for testing performance ", and dry density is 517Kg/m
3, ultimate compression strength is 2.8MPa, and thermal conductivity is 0.12w/ (mk).
The stone material saw mud self-insulating light building block that the present invention produces is through inspection, and radioactivity reaches the standard-required of construction main body material in GB6566-2010 " radioactive material radionuclides limitation ".
Thermal conductivity≤the 0.12w/ (mk) of the stone material saw mud self-insulating light building block of preparation, reaches the requirement of wall self-thermal insulation material technical indicator.
Embodiment 2
The building block of a kind of stone material saw mud self-insulating light, it is prepared from by comprising stone material saw mud, lime, desulfurated plaster, cement, aluminium powder and suds-stabilizing agent raw material; Each raw material accounts for total weight percent: stone material saw mud 67%, cement 16%, lime 14%, desulfurated plaster 3%, aluminium powder is 0.13% of stone material saw mud, lime, desulfurated plaster and cement quality summation, and suds-stabilizing agent is 0.01% of stone material saw mud, lime, desulfurated plaster and cement quality summation.
The preparation method of above-mentioned a kind of stone material saw mud self-insulating light building block is identical with embodiment 1.
The stone material saw mud self-insulating light building block of producing in the present embodiment detects according to GB11968-2006 " autoclave aerated concrete building block " and GB/T11969-2008 " steam-pressing aero-concrete method for testing performance ", and dry density is 509Kg/m
3, ultimate compression strength is 2.6MPa, and thermal conductivity is 0.11w/ (mk).
The stone material saw mud self-insulating light building block that the present invention produces is through inspection, and radioactivity reaches the standard-required of construction main body material in GB6566-2010 " radioactive material radionuclides limitation ".
Thermal conductivity≤the 0.12w/ (mk) of the stone material saw mud self-insulating light building block of preparation, reaches the requirement of wall self-thermal insulation material technical indicator.
Embodiment 3
The building block of a kind of stone material saw mud self-insulating light, it is prepared from by comprising stone material saw mud, lime, desulfurated plaster, cement, aluminium powder and suds-stabilizing agent raw material; Each raw material accounts for total weight percent: stone material saw mud 64%, cement 16%, lime 16%, desulfurated plaster 4%, aluminium powder is 0.14% of stone material saw mud, lime, desulfurated plaster and cement quality summation, and suds-stabilizing agent is 0.02% of stone material saw mud, lime, desulfurated plaster and cement quality summation.
The preparation method of above-mentioned a kind of stone material saw mud self-insulating light building block, it comprises the steps: stone material to saw mud and desulfurated plaster after electronic scale precise, add tap water, prepare prefabricated slip [mass concentration is the slip of 65%] according to proportioning, prefabricated slip is injected in hold-up vessel for subsequent use.To join in prefabricated slip after weighing through the lime of grinding, cement, aluminium powder, suds-stabilizing agent again, [mixing water water temperature is normal temperature to add mixing water, ratio of water to material is 0.64], common stirring 90s, built by uniform slip and carry out precuring in mould inherent quiet stopping in room, precuring chambers temp is 45 DEG C, and the precuring time is 1h, building block idiosome after precuring has certain intensity (intensity that can cut), sends in cutting machine and cuts.The idiosome of well cutting is sent into autoclave and carries out autoclave curing, pressure rising time is 2h, and holding the pressure time is 7h, and dip time is 1.5h, and holding in the pressure time pressure in autoclave is 1.4MPa.Building block after maintenance goes out still and piles up, and obtains the building block of stone material saw mud self-insulating light.
The stone material saw mud self-insulating light building block of producing in the present embodiment detects according to GB11968-2006 " autoclave aerated concrete building block " and GB/T11969-2008 " steam-pressing aero-concrete method for testing performance ", and dry density is 503Kg/m
3, ultimate compression strength is 2.6MPa, and thermal conductivity is 0.11w/ (mk).
The stone material saw mud self-insulating light building block that the present invention produces is through inspection, and radioactivity reaches the standard-required of construction main body material in GB6566-2010 " radioactive material radionuclides limitation ".
Thermal conductivity≤the 0.12w/ (mk) of the stone material saw mud self-insulating light building block of preparation, reaches the requirement of wall self-thermal insulation material technical indicator.
Embodiment 4
The building block of a kind of stone material saw mud self-insulating light, it is prepared from by comprising stone material saw mud, lime, desulfurated plaster, cement, aluminium powder and suds-stabilizing agent raw material; Each raw material accounts for total weight percent: stone material saw mud 62%, cement 16%, lime 17.5%, desulfurated plaster 4.5%, aluminium powder is 0.14% of stone material saw mud, lime, desulfurated plaster and cement quality summation, and suds-stabilizing agent is 0.02% of stone material saw mud, lime, desulfurated plaster and cement quality summation.
The preparation method of above-mentioned a kind of stone material saw mud self-insulating light building block is identical with embodiment 3.
The stone material saw mud self-insulating light building block of producing in the present embodiment detects according to GB11968-2006 " autoclave aerated concrete building block " and GB/T11969-2008 " steam-pressing aero-concrete method for testing performance ", and dry density is 509Kg/m
3, ultimate compression strength is 2.7MPa, and thermal conductivity is 0.11w/ (mk).
The stone material saw mud self-insulating light building block that the present invention produces is through inspection, and radioactivity reaches the standard-required of construction main body material in GB6566-2010 " radioactive material radionuclides limitation ".
Thermal conductivity≤the 0.12w/ (mk) of the stone material saw mud self-insulating light building block of preparation, reaches the requirement of wall self-thermal insulation material technical indicator.
The bound of each raw material of the present invention, interval value, and the bound of processing parameter (as temperature, time etc.), interval value can realize the present invention, do not enumerate embodiment at this.
Claims (10)
1. a stone material saw mud self-insulating light building block, is characterized in that it is prepared from by comprising stone material saw mud, lime, desulfurated plaster, cement, aluminium powder and suds-stabilizing agent raw material; In stone material saw mud, lime, desulfurated plaster and cement, each raw material accounts for total weight percent and is: stone material saw mud 60%-67%, lime 14%-18%, desulfurated plaster 2%-6%, cement 12%-18%; Aluminium powder is the 0.10%-0.14% of stone material saw mud, lime, desulfurated plaster and cement quality summation, and suds-stabilizing agent is the 0.01%-0.02% of stone material saw mud, lime, desulfurated plaster and cement quality summation.
2. a kind of stone material saw mud self-insulating light according to claim 1 building block, is characterized in that: SiO in described stone material saw mud
2content>=70% (quality), fineness be 0.08mm square hole sieve tail over≤15%, water ratio is 18%-25% (quality).
3. a kind of stone material saw mud self-insulating light according to claim 1 building block, is characterized in that: effective CaO content >=65% (quality) in described lime, digestion condition >=60 DEG C, fineness through grinding be 0.08mm square hole sieve tail over≤10%.
4. a kind of stone material saw mud self-insulating light according to claim 1 building block, is characterized in that: SO in described desulfurated plaster
3content>=40% (quality), fineness be 0.08mm square hole sieve tail over≤10%.
5. a kind of stone material saw mud self-insulating light according to claim 1 building block, is characterized in that: described cement is the ordinary Portland cement of 42.5MPa strength grade.
6. a kind of stone material saw mud self-insulating light according to claim 1 building block, is characterized in that: described suds-stabilizing agent manufacturer is Jiangshan City bioid in Tian Shuan Year factory, and model is GT-717.
7. the preparation method of a kind of stone material saw mud self-insulating light as claimed in claim 1 building block, is characterized in that it comprises the steps:
1) accounting for total weight percent by each raw material in stone material saw mud, lime, desulfurated plaster and cement is: stone material saw mud 60%-67%, lime 14%-18%, desulfurated plaster 2%-6%, cement 12%-18%, aluminium powder is the 0.10%-0.14% of stone material saw mud, lime, desulfurated plaster and cement quality summation, suds-stabilizing agent is the 0.01%-0.02% of stone material saw mud, lime, desulfurated plaster and cement quality summation, choose stone material saw mud, lime, desulfurated plaster, cement, aluminium powder and suds-stabilizing agent, for subsequent use;
2) stone material is sawed mud in advance and desulfurated plaster is prepared into the slip that mass concentration is 60%-65%, stir afterwards with through the lime of grinding, cement, aluminium powder, suds-stabilizing agent, mixing water is added during stirring, stir after-pouring in mould, quietly to stop the precuring of temperature 35 DEG C-45 DEG C is indoor, after treating that idiosome has some strength, cut and send into autoclave and carry out autoclave curing, obtain the building block of stone material saw mud self-insulating light.
8. the preparation method of a kind of stone material saw mud self-insulating light according to claim 7 building block, is characterized in that: add mixing water with through the lime of grinding, cement, aluminium powder, suds-stabilizing agent when stirring, mixing water water temperature is normal temperature, and ratio of water to material is 0.60-0.64.
9. the preparation method of a kind of stone material saw mud self-insulating light according to claim 7 building block, is characterized in that: be 1-2h between the quiet stopping time.
10. the preparation method of a kind of stone material saw mud self-insulating light according to claim 7 building block, is characterized in that: autoclave curing technique is boosting, holds pressure, step-down, and pressure rising time is 1.5-2h, and holding the pressure time is 7-8h, and dip time is 1-1.5h; Maintenance pressure is 1MPa-1.5MPa.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000855A (en) * | 2015-06-30 | 2015-10-28 | 山东同德建材有限公司 | Autoclaved light sand aerated concrete blocks, and preparation method thereof |
| CN107805018A (en) * | 2017-10-29 | 2018-03-16 | 北京工业大学 | Utilize the self-compaction road backfilling material and its construction method of stone material saw mud production |
| CN109020452A (en) * | 2018-10-09 | 2018-12-18 | 河南能工巧匠网络科技有限公司 | A method of utilizing the clay standby Antique Imitation Tiles of saw |
| CN111662069A (en) * | 2020-06-18 | 2020-09-15 | 上海鼎中新材料有限公司 | External hanging light stone molded by desulfurized gypsum industrial waste residue and method |
| CN113248205A (en) * | 2021-05-26 | 2021-08-13 | 武汉来道建材科技有限公司 | Large-mixing-amount solid waste non-steamed lightweight concrete wallboard and preparation method thereof |
| CN113402231A (en) * | 2021-07-15 | 2021-09-17 | 武汉盛大长青建材有限公司 | Method for producing ready-mixed concrete by using stone saw mud |
| CN114436613A (en) * | 2022-03-10 | 2022-05-06 | 武汉楚天名扬建材有限公司 | Treatment-free saw mud based cementing material and preparation method and application thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000855A (en) * | 2015-06-30 | 2015-10-28 | 山东同德建材有限公司 | Autoclaved light sand aerated concrete blocks, and preparation method thereof |
| CN107805018A (en) * | 2017-10-29 | 2018-03-16 | 北京工业大学 | Utilize the self-compaction road backfilling material and its construction method of stone material saw mud production |
| CN109020452A (en) * | 2018-10-09 | 2018-12-18 | 河南能工巧匠网络科技有限公司 | A method of utilizing the clay standby Antique Imitation Tiles of saw |
| CN111662069A (en) * | 2020-06-18 | 2020-09-15 | 上海鼎中新材料有限公司 | External hanging light stone molded by desulfurized gypsum industrial waste residue and method |
| CN113248205A (en) * | 2021-05-26 | 2021-08-13 | 武汉来道建材科技有限公司 | Large-mixing-amount solid waste non-steamed lightweight concrete wallboard and preparation method thereof |
| CN113402231A (en) * | 2021-07-15 | 2021-09-17 | 武汉盛大长青建材有限公司 | Method for producing ready-mixed concrete by using stone saw mud |
| CN114436613A (en) * | 2022-03-10 | 2022-05-06 | 武汉楚天名扬建材有限公司 | Treatment-free saw mud based cementing material and preparation method and application thereof |
| CN114436613B (en) * | 2022-03-10 | 2023-06-02 | 武汉楚天名扬建材有限公司 | Treatment-free saw mud-based cementing material and preparation method and application thereof |
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