CN103466974A - High-performance cement as well as preparation method thereof - Google Patents
High-performance cement as well as preparation method thereof Download PDFInfo
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- CN103466974A CN103466974A CN2013104430108A CN201310443010A CN103466974A CN 103466974 A CN103466974 A CN 103466974A CN 2013104430108 A CN2013104430108 A CN 2013104430108A CN 201310443010 A CN201310443010 A CN 201310443010A CN 103466974 A CN103466974 A CN 103466974A
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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
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Abstract
The invention discloses high-performance cement which comprises the following raw materials in parts by weight: 25-32 parts of coal gangue, 8-18 parts of zeolite powder, 35-42 parts of limestone, 32-38 parts of diatomite in powder, 13-21 parts of borax, 3-6 parts of iron powder, 9-21 parts of calcium lignosulphonate, 4-7 parts of sodium acetate, 9-18 parts of ethylene glycol, 9-18 parts of a vinyl acetate-ethylene copolymer emulsion, 2-3 parts of tributyl phosphate, 3-3.6 parts of polyvinyl alcohol and 1.2-1.8 parts of polysilicone. According to the cement disclosed by the invention, the vinyl acetate-ethylene copolymer emulsion and polysilicone contain active groups which can be chemically reacted with metals and salts, so that the binding force between high-performance cement gel and the integral cement is greatly enhanced. Particles of the high-performance cement are externally wrapped and integrated as an elastic polymer film structure, so that the deformability of the high-performance cement is improved. The bonding strength with high-performance cement basic face is greatly improved, and the crush resistance and fracture resistance of the high-performance cement are enhanced to a greater extent. In the presence of the polymer film structure, the thermal insulation, the acid-base resistance and the permeability resistance of the cement are comprehensively enhanced.
Description
Technical field
The present invention relates to a kind of cement, be specifically related to a kind of high-performance cement and preparation method thereof.
Background technology
From national cement industry overall condition, within 2010, national cement output is 18.68 hundred million tons, increases by 15.5% on a year-on-year basis.Within 2011, estimate approximately 9,000 ten thousand tons of newly-increased production capacities, eliminate the backward production facilities approximately 100,000,000 tons, aggregated capacity slightly subtracted than 2010, was about 22.5 hundred million tons.From demand, in 2011, the Promoting effect that " 4,000,000,000,000 incentive policy " makes progress to cement weakened greatly, but its most of engineerings are still being built, supporting role to the cement demand also exists, and the rise of the construction such as water conservancy, high ferro also makes the cement demand obtain certain guarantee.
Yet some public works, infrastructure project, such as facilities such as railway, highways because construction quality concerns social public security, so the various aspects of performance of cement is had to the requirement of higher standard, the cement of selling on the market is difficult to reach this requirement, and price exceeds much than Portland cement.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of high-performance cement.
Technical scheme: for achieving the above object, a kind of cement provided by the invention, its constitutive material comprises by weight percentage: 25～32 parts of coal gangues, 8～18 parts of zeolite powders, 35～42 parts, Wingdale, 32～38 parts of diatomites in powder, 13～21 parts of boraxs, 3～6 parts of iron powders, 9～21 parts of calcium lignin sulphonates, 4～7 parts of sodium acetates, 9～18 parts of ethylene glycol, 9～18 parts of vinyl acetate-ethylene copolymerization emulsions, 2～3 parts of tributyl phosphates, 3～3.6 parts of polyvinyl alcohol, 1.2～1.8 parts of silicones.
Preferably, its constitutive material comprises by weight percentage: 28～30 parts of coal gangues, 10～15 parts of zeolite powders, 35～40 parts, Wingdale, 32～38 parts of diatomites in powder, 13～16 parts of boraxs, 3～6 parts of iron powders, 9～15 parts of calcium lignin sulphonates, 4～7 parts of sodium acetates, 9～12 parts of ethylene glycol, 15～18 parts of vinyl acetate-ethylene copolymerization emulsions, 2～3 parts of tributyl phosphates, 3～3.6 parts of polyvinyl alcohol, 1.2～1.8 parts of silicones.
Preferably, described vinyl acetate-ethylene copolymerization emulsions is 15～17 parts.
Preferably, described polyvinyl alcohol is 3～3.4 parts.
Preferably, described silicone is 1.2～1.5 parts.
The preparation method of above-mentioned cement, comprise the steps:
Take corresponding constitutive material according to the parts by weight of raw materials meter; The container with whipping appts is put in water intaking, start agitator, by sodium acetate, ethylene glycol, vinyl acetate-ethylene copolymerization emulsions, tributyl phosphate, polyvinyl alcohol, silicone are put in container, add water dissolution to stir 10～15min, make its solution state that reaches capacity; Then solution temperature is risen to 65～75 ℃, after coal gangue, zeolite powder, Wingdale, diatomite in powder, borax, iron powder, calcium lignin sulphonate are mixed, be added in container, fully stir 20～30min and form gel, drying, pulverizing, screening again, make the cement that granularity is 100～400mm.
Beneficial effect: after cement provided by the invention is added to conventional cement, there is in terms of existing technologies following advantage:
(1) owing in the vinyl acetate-ethylene copolymerization emulsions in the present invention, silicone, containing active group, can with metal and salt generation chemical reaction, bonding force between cement gel and integral body is got a promotion greatly, the cement granules external parcel is integrated into whippy one layer of polymeric membrane structure, improved the deformability of cement, can greatly improve with the cohesive strength of cement basal plane, resistance to compression, the flexural capacity of cement had to lifting by a relatively large margin.
(2) the present invention is due to the existence that polymer film structure is arranged, and the heat-insulation and heat-preservation in the present invention, antiacid alkali, osmotic-pressure-tolerant, obtain General Promotion.
(3), about the heat drop occurred when the generation of the chemical reaction of the present invention and water is solidified is at half, can reach the effect of cracking resistance, difficult drop-off.
Embodiment
Below in conjunction with embodiment, the present invention is further described.
Embodiment 1:
A kind of cement, its constitutive material comprises by weight percentage: 25 parts of coal gangues, 18 parts of zeolite powders, 42 parts, Wingdale, 38 parts of diatomites in powder, 21 parts of boraxs, 6 parts of iron powders, 21 parts of calcium lignin sulphonates, 7 parts of sodium acetates, 18 parts of ethylene glycol, 18 parts of vinyl acetate-ethylene copolymerization emulsions, 3 parts of tributyl phosphates, 3 parts of polyvinyl alcohol, 1.2 parts of silicones.
The preparation method of above-mentioned cement, comprise the steps:
Take corresponding constitutive material according to the parts by weight of raw materials meter; The container with whipping appts is put in water intaking, start agitator, by sodium acetate, ethylene glycol, vinyl acetate-ethylene copolymerization emulsions, tributyl phosphate, polyvinyl alcohol, silicone are put in container, add water dissolution to stir 15min, make its solution state that reaches capacity; Then solution temperature is risen to 65 ℃, after coal gangue, zeolite powder, Wingdale, diatomite in powder, borax, iron powder, calcium lignin sulphonate are mixed, be added in container, fully stir 30min and form gel, drying, pulverizing, screening again, make the cement that granularity is 100mm.
Embodiment 2:
A kind of cement, its constitutive material comprises by weight percentage: 32 parts of coal gangues, 8 parts of zeolite powders, 35 parts, Wingdale, 32 parts of diatomites in powder, 13 parts of boraxs, 3 parts of iron powders, 9 parts of calcium lignin sulphonates, 4 parts of sodium acetates, 9 parts of ethylene glycol, 9 parts of vinyl acetate-ethylene copolymerization emulsions, 2 parts of tributyl phosphates, 3.6 parts of polyvinyl alcohol, 1.8 parts of silicones.
The preparation method of above-mentioned cement, comprise the steps:
Take corresponding constitutive material according to the parts by weight of raw materials meter; The container with whipping appts is put in water intaking, start agitator, by sodium acetate, ethylene glycol, vinyl acetate-ethylene copolymerization emulsions, tributyl phosphate, polyvinyl alcohol, silicone are put in container, add water dissolution to stir 10min, make its solution state that reaches capacity; Then solution temperature is risen to 75 ℃, after coal gangue, zeolite powder, Wingdale, diatomite in powder, borax, iron powder, calcium lignin sulphonate are mixed, be added in container, fully stir 20min and form gel, drying, pulverizing, screening again, make the cement that granularity is 400mm.
Embodiment 3:
A kind of cement, its constitutive material comprises by weight percentage: 28 parts of coal gangues, 10 parts of zeolite powders, 35 parts, Wingdale, 32 parts of diatomites in powder, 13 parts of boraxs, 3 parts of iron powders, 9 parts of calcium lignin sulphonates, 4 parts of sodium acetates, 9 parts of ethylene glycol, 15 parts of vinyl acetate-ethylene copolymerization emulsions, 3 parts of tributyl phosphates, 3.5 parts of polyvinyl alcohol, 1.5 parts of silicones.
The preparation method of above-mentioned cement, comprise the steps:
Take corresponding constitutive material according to the parts by weight of raw materials meter; The container with whipping appts is put in water intaking, start agitator, by sodium acetate, ethylene glycol, vinyl acetate-ethylene copolymerization emulsions, tributyl phosphate, polyvinyl alcohol, silicone are put in container, add water dissolution to stir 15min, make its solution state that reaches capacity; Then solution temperature is risen to 70 ℃, after coal gangue, zeolite powder, Wingdale, diatomite in powder, borax, iron powder, calcium lignin sulphonate are mixed, be added in container, fully stir 25min and form gel, drying, pulverizing, screening again, make the cement that granularity is 200mm.
Embodiment 4:
A kind of cement, its constitutive material comprises by weight percentage: 30 parts of coal gangues, 15 parts of zeolite powders, 40 parts, Wingdale, 38 parts of diatomites in powder, 16 parts of boraxs, 5 parts of iron powders, 12 parts of calcium lignin sulphonates, 6 parts of sodium acetates, 10 parts of ethylene glycol, 17 parts of vinyl acetate-ethylene copolymerization emulsions, 2.5 parts of tributyl phosphates, 3.3 parts of polyvinyl alcohol, 1.6 parts of silicones.
The preparation method of above-mentioned cement, comprise the steps:
Take corresponding constitutive material according to the parts by weight of raw materials meter; The container with whipping appts is put in water intaking, start agitator, by sodium acetate, ethylene glycol, vinyl acetate-ethylene copolymerization emulsions, tributyl phosphate, polyvinyl alcohol, silicone are put in container, add water dissolution to stir 12min, make its solution state that reaches capacity; Then solution temperature is risen to 72 ℃, after coal gangue, zeolite powder, Wingdale, diatomite in powder, borax, iron powder, calcium lignin sulphonate are mixed, be added in container, fully stir 25min and form gel, drying, pulverizing, screening again, make the cement that granularity is 300mm.
Embodiment 5:
A kind of cement, its constitutive material comprises by weight percentage: 29 parts of coal gangues, 12 parts of zeolite powders, 38 parts, Wingdale, 35 parts of diatomites in powder, 15 parts of boraxs, 4 parts of iron powders, 14 parts of calcium lignin sulphonates, 5 parts of sodium acetates, 11 parts of ethylene glycol, 16 parts of vinyl acetate-ethylene copolymerization emulsions, 3 parts of tributyl phosphates, 3.1 parts of polyvinyl alcohol, 1.3 parts of silicones.
The preparation method of above-mentioned cement, comprise the steps:
Take corresponding constitutive material according to the parts by weight of raw materials meter; The container with whipping appts is put in water intaking, start agitator, by sodium acetate, ethylene glycol, vinyl acetate-ethylene copolymerization emulsions, tributyl phosphate, polyvinyl alcohol, silicone are put in container, add water dissolution to stir 16min, make its solution state that reaches capacity; Then solution temperature is risen to 75 ℃, after coal gangue, zeolite powder, Wingdale, diatomite in powder, borax, iron powder, calcium lignin sulphonate are mixed, be added in container, fully stir 26min and form gel, drying, pulverizing, screening again, make the cement that granularity is 300mm.
The prepared product performance of embodiment 1～5 see the following form:
The prepared product Antacid effectiveness of embodiment 1～5 sees the following form:
Get the prepared 100g cement briquette of embodiment 1～5, the hydrochloric acid that is 35% that drops into respectively mass concentration, 35% sulfuric acid, 35% nitric acid; Soak after 24 hours, then dry 48 hours, then weigh, the results are shown in following table:
Test-results shows, the weight of the present embodiment in concentrated acid is substantially unchanged, has good resistance to acid, possesses the requirement of outdoor cement.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a high-performance cement, it is characterized in that: its constitutive material comprises by weight percentage: 25～32 parts of coal gangues, 8～18 parts of zeolite powders, 35～42 parts, Wingdale, 32～38 parts of diatomites in powder, 13～21 parts of boraxs, 3～6 parts of iron powders, 9～21 parts of calcium lignin sulphonates, 4～7 parts of sodium acetates, 9～18 parts of ethylene glycol, 9～18 parts of vinyl acetate-ethylene copolymerization emulsions, 2～3 parts of tributyl phosphates, 3～3.6 parts of polyvinyl alcohol, 1.2～1.8 parts of silicones.
2. high-performance cement according to claim 1, it is characterized in that: its constitutive material comprises by weight percentage: 28～30 parts of coal gangues, 10～15 parts of zeolite powders, 35～40 parts, Wingdale, 32～38 parts of diatomites in powder, 13～16 parts of boraxs, 3～6 parts of iron powders, 9～15 parts of calcium lignin sulphonates, 4～7 parts of sodium acetates, 9～12 parts of ethylene glycol, 15～18 parts of vinyl acetate-ethylene copolymerization emulsions, 2～3 parts of tributyl phosphates, 3～3.6 parts of polyvinyl alcohol, 1.2～1.8 parts of silicones.
3. high-performance cement according to claim 1, it is characterized in that: described vinyl acetate-ethylene copolymerization emulsions is 15～17 parts.
4. high-performance cement according to claim 1, is characterized in that: 3～3.4 parts of described polyvinyl alcohol.
5. high-performance cement according to claim 1, is characterized in that: 1.2～1.5 parts of described silicones.
6. the preparation method of a high-performance cement claimed in claim 1, is characterized in that: comprise the steps:
Take corresponding constitutive material according to the parts by weight of raw materials meter; The container with whipping appts is put in water intaking, start agitator, by sodium acetate, ethylene glycol, vinyl acetate-ethylene copolymerization emulsions, tributyl phosphate, polyvinyl alcohol, silicone are put in container, add water dissolution to stir 10～15min, make its solution state that reaches capacity; Then solution temperature is risen to 65～75 ℃, after coal gangue, zeolite powder, Wingdale, diatomite in powder, borax, iron powder, calcium lignin sulphonate are mixed, be added in container, fully stir 20～30min and form gel, drying, pulverizing, screening again, make the high-performance cement that granularity is 100～400mm.
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| CN2013104430108A CN103466974A (en) | 2013-09-25 | 2013-09-25 | High-performance cement as well as preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106007529A (en) * | 2016-05-25 | 2016-10-12 | 句容联众科技开发有限公司 | High-performance concrete and preparation method thereof |
| CN107200540A (en) * | 2017-04-28 | 2017-09-26 | 成都市德容建筑劳务有限公司 | A kind of acid-resisting concrete for being used to make push pipe |
| CN110092616A (en) * | 2019-05-23 | 2019-08-06 | 惠州市环境科学研究所 | A kind of concrete segment containing footwear material waste material |
| CN114772955A (en) * | 2022-04-19 | 2022-07-22 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | High-performance cement and preparation method and application thereof |
-
2013
- 2013-09-25 CN CN2013104430108A patent/CN103466974A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106007529A (en) * | 2016-05-25 | 2016-10-12 | 句容联众科技开发有限公司 | High-performance concrete and preparation method thereof |
| CN107200540A (en) * | 2017-04-28 | 2017-09-26 | 成都市德容建筑劳务有限公司 | A kind of acid-resisting concrete for being used to make push pipe |
| CN110092616A (en) * | 2019-05-23 | 2019-08-06 | 惠州市环境科学研究所 | A kind of concrete segment containing footwear material waste material |
| CN114772955A (en) * | 2022-04-19 | 2022-07-22 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | High-performance cement and preparation method and application thereof |
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Application publication date: 20131225 |