CN103553402A - Active compound activator of phosphorous slag powder and using method thereof - Google Patents
Active compound activator of phosphorous slag powder and using method thereof Download PDFInfo
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- CN103553402A CN103553402A CN201310518173.8A CN201310518173A CN103553402A CN 103553402 A CN103553402 A CN 103553402A CN 201310518173 A CN201310518173 A CN 201310518173A CN 103553402 A CN103553402 A CN 103553402A
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- slag powder
- phosphorus slag
- active compound
- compound activator
- phosphorus
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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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- Curing Cements, Concrete, And Artificial Stone (AREA)
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Abstract
The invention belongs to the technical field of a building material, and particularly relates to an active compound activator of phosphorous slag powder and a using method thereof. The active compound activator is compounded of industrial waste carbide slag, desulfurized gypsum, and chemical reagents (or industrial materials) sodium silicate, aluminum sulfate and sodium hydroxide. A plurality of activation compound effects of alkali-activation, basic salt-activation, sulfate activation and the like are mainly utilized to completely activate the activity of the phosphorous slag powder. By adopting the product disclosed by the invention, the activity of the phosphorous slag powder can be effectively activated; the problems of delayed coagulation, low early strength, slow strength development and the like existing when the phosphorous slag powder is used as concrete or mortar admixture are obviously relieved. By adopting the active compound activator, application of the phosphorous slag powder as the admixture in the industries such as cement and concrete can be facilitated, waste materials are changed into precious materials; the economic benefits are improved; meanwhile, the problems of environmental pollution, soil waste and the like caused by stocking of a lot of phosphorous slag also can be solved; the environmental benefits are improved. In addition, the problem of shortage of excellent admixtures such as coal ash, slag powder and the like in the industries such as cement and concrete also can be relieved.
Description
Technical field
The invention belongs to building material technical field, be specifically related to the active compound activator of a kind of phosphorus slag powder.
Background technology
Along with development and the growth of China's yellow phosphorus industry, refine in yellow phosphorus process and give off a large amount of phosphorus slags.Electric furnace process is prepared yellow phosphorus and is usingd Rock Phosphate (72Min BPL) as raw material, usings coke as the reductive agent of phosphorus, usings the slag forming agent of silica as phosphorus.While refining yellow phosphorus, SiO in slag forming agent
2melting point depression, at (1350-1400) ℃, closes with the calcification in Rock Phosphate (72Min BPL), forms to take the molten slag that Calucium Silicate powder is main component, through high pressure Water Quenching, forms particulate state phosphorus slag.Industrial every production 1t yellow phosphorus, approximately produces (8-10) t phosphorus slag.China 2012 (1-12) month exploits Rock Phosphate (72Min BPL) 9529.46 ten thousand t altogether, produces nearly 9,000,000 t phosphorus, and the phosphorus slag of generation reaches more than 9,000 ten thousand t.Add accumulation over the years, storage is surprising! At present, so a large amount of phosphorus slags is mainly stacked and is processed with the form of trade waste, stacks and not only takies a large amount of soils, and pollute near the soil and water stacking.
Phosphorus slag Main chemical component is similar with flyash to breeze, is all SiO
2, CaO and Al
2o
3deng compound; In phosphorus slag discharge process, through high pressure Water Quenching, mainly with vitreum form, exist.This explanation, levigate phosphorus slag powder also has certain potential pozzolanic activity, can be used as the adulterant of concrete and mortar.But the Al in phosphorus slag
2o
3be starkly lower than slag, SiO with MgO content
2content is generally higher than slag, so its hydration activity is lower than slag powders.When phosphorus slag powder is used as adulterant, easily cause the problems such as concrete and mortar early strength are low, and strength development is slower.In addition, phosphorus slag also contains the P of 3%-5%
2o
5, when phosphorus slag powder is used as adulterant, easily cause the problem of slurry slow setting.The slow setting that phosphorus slag powder causes as adulterant, the problem such as early strength is low and strength development is slower, had a strong impact on the application market of phosphorus slag powder as adulterant.The key problem in technology that solves this series of problems is to develop the activity that suitable exciting agent excites phosphorus slag.
Meanwhile, along with the development of China's modernization construction, the development speedup of cement and Concrete Industry is very fast, and the market requirement of high-quality blended material and adulterant is also increasing., in some area, there is in various degree in short supply in adulterant slag powders and the flyash of high-quality in the market.The new adulterant of development research is extremely urgent.
Summary of the invention
The object of the present invention is to provide a kind of phosphorus slag powder that can effectively excite active, solve the active compound activator of phosphorus slag powder and using method thereof that mixing of phosphorus slag powder causes the problems such as concrete and mortar slow setting, early strong low and strength development be slow.
The active compound activator of a kind of phosphorus slag powder that the present invention proposes, component comprises carbide slag, desulfurated plaster, water glass, Tai-Ace S 150 and sodium hydroxide.The mass ratio of each component is:
Carbide slag 100
Desulfurated plaster 20-80
Water glass 20-60
Tai-Ace S 150 20-60
Sodium hydroxide 20-60.
Each component preferably mass ratio is:
Carbide slag 100
Desulfurated plaster 20-60
Water glass 25-40
Tai-Ace S 150 25-50
Sodium hydroxide 25-45.
In the present invention, described carbide slag is for producing the product after the residue drying and processing of acetylene, and its free-water mass ratio is not more than 3%, and calcium hydroxide mass ratio is not less than 85%.
In the present invention, described desulfurated plaster is desulfurized gesso of flue gas, and its free-water mass ratio is not more than 5%, and terra alba mass ratio is not less than 85%.
In the present invention, described water glass is a kind of in chemically pure reagent or industrial chemicals.
In the present invention, described Tai-Ace S 150 is a kind of in chemically pure reagent or industrial chemicals.
In the present invention, described sodium hydroxide is a kind of in chemically pure reagent or industrial chemicals.
The preparation method of the phosphorus slag powder activity excitant that the present invention proposes, concrete steps are as follows:
By aforementioned part by weight, take carbide slag, desulfurated plaster, water glass, Tai-Ace S 150 and sodium hydroxide, by mechanical stirring, homogenizing, obtain desired product.Product should be dried sealed storage.
The using method of the phosphorus slag powder activity excitant that the present invention proposes, concrete steps are as follows:
The volume of the active compound activator of phosphorus slag powder is the 4%-12% of phosphorus slag powder quality.Phosphorus slag powder is when being used as adulterant, first according to experimental design proportioning, take corresponding cement, phosphorus slag powder, compound activator, aggregate and water, again cement, phosphorus slag powder, compound activator and aggregate are put into dry mixing homogenizing in stirrer, and then added water stirring.
In the active compound activator of phosphorus slag powder that the present invention proposes, carbide slag and sodium hydroxide mainly play the effect that alkali excites, and utilize the alkalescence of carbide slag and sodium hydroxide that phosphorus slag vitreum is disintegrated, and inspire the activity of phosphorus slag.In carbide slag calcium hydroxide can with phosphorus slag vitreum in active SiO
2, A1
20
3there is pozzolanic reaction, generate the hydraulicity hydrated calcium silicate with higher-strength.Sodium hydroxide is during as phosphorus slag powder exciting agent, and phosphorus slag gelling material contacts with water, and sodium hydroxide is water-soluble rapidly, and the pH of whole aquation system liquid phase medium is increased, and pH is now greater than 13, OH
-rapidly the surface of phosphorus slag particle is started to corrode, due to OH
-polarized action, the Si-O-Si in vitreum, Si-O-Al and Al-O-Al fracture, forms hydrated products such as having the C-S-H gel of gelating property and drated calcium aluminate.OH wherein
-concentration is larger, and stronger to the destruction of Si-O-Si, Si-O-Al and Al-O-Al key, stimulation effect is better.
Water glass excites reactivity of phosphor slag, is first the hydrolysis of water glass, generates silica gel, discharges part OH simultaneously
-.Then the OH in solution
-act on phosphorus slag, make Si-O-Si, Si-O-Al in phosphorus slag vitreum and Al-O-Al fracture, generation subsequently be exactly the excitation of sodium hydroxide.Meanwhile, the active SiO that the depolymerization of phosphorus slag vitreum discharges
2with the Ca being dissolved in liquid phase
2+be swift in response and generate C-S-H gel, further promote the aquation of phosphorus slag and the hydrolysis of water glass, the hydration rate of phosphorus slag is improved.And water glass excites phosphorus slag, in the follow-up aquation of the hydrated calcium silicate generating at the aquation initial stage at phosphorus slag, played the effect of nucleus, promoted the formation of hydrated product.Water glass has dual excitation, so water glass and sodium hydroxide can excite the activity of phosphorus slag preferably.The sodium hydroxide in early days stimulation effect of (3d and 7d) is better than water glass, but is much better than sodium hydroxide at the stimulation effect of later stage (28d and 90d) water glass.Sodium hydroxide and water glass complex excitation, can learn from other's strong points to offset one's weaknesses and give full play to both strong points: it is main at the early stage sodium hydroxide of aquation, exciting, and it is auxiliary that water glass excites; It is main at aquation later stage water glass, exciting, and it is auxiliary that sodium hydroxide is sent out.So just can continue fully to excite the activity of phosphorus slag powder.
Desulfurated plaster in the present invention is the effect that plays sulphate activation.It is mainly SO that desulfurated plaster excites
4 2-at Ca
2+under effect, and be mixed in the gel of phosphorus particle surface and be dissolved in the AlO in liquid phase
2-water generation reaction calcium sulphoaluminate AFt.AFt forms fibrous or network-like integument at phosphorus slag particle surface, and its tightness is less than hydrated calcium silicate layer, is conducive to Ca
2+be diffused into phosphorus slag granule interior, with the active SiO in inside
2, A1
2o
3reaction, excites reactivity of phosphor slag and is continued performance.Secondly, SO
4 2-existence promote again active A 1
2o
3stripping, and SO
4 2-can also be adsorbed in vitreous surface A1
3+network intermediate activated point is upper, makes Si-O key and A1-O bond rupture.
Because reactivity of phosphor slag is lower, often separately a kind ofly excite measure can not well excite the activity of phosphorus slag, so need complex excitation.The present invention takes full advantage of that alkali excites, subsalt excites and the compound action of sulphate activation, continues fully to excite the activity of phosphorus slag powder.
The problems such as the active compound activator of phosphorus slag powder that the present invention proposes, can effectively excite the activity of phosphorus slag powder, obviously improves slow setting, early strength that phosphorus slag powder causes as adulterant low, and strength development is slow; Can also improve the gelling system hardened paste later stage structure that is mixed with phosphorus slag powder, make hardened paste structure finer and close, improve concrete performance.So just can accelerate phosphorus slag powder as the market application of adulterant.
The active compound activator of phosphorus slag powder that the present invention proposes is to be composited by industrial residue carbide slag and desulfurated plaster and chemical reagent (or industrial chemicals) water glass, Tai-Ace S 150 and sodium hydroxide.Be mainly by alkali excite, subsalt excites and the compound action of sulphate activation, excites the activity of phosphorus slag powder.The active compound activator stimulation effect of this phosphorus slag powder is good, and preparation method is simple, and cost is lower, can promote phosphorus slag powder in the extensive application of cement industry and Concrete Industry.Can solve the processing problem of phosphorus slag powder on the one hand, improve the comprehensive utilization ratio of phosphorus slag powder, can by the application of phosphorus slag powder, improve the performance of concrete and mortar on the other hand, in addition, can also alleviate the problem in short supply of high-quality adulterant.Carbide slag in this compound activator and desulfurated plaster are all industry byproducts, by carbide slag and desulfurated plaster and chemical reagent (or industrial chemicals) water glass, Tai-Ace S 150 and sodium hydroxide, be combined into reactivity of phosphor slag exciting agent, not only can excite the active processing problem that solves phosphorus slag of phosphorus slag powder, also improved the economic value added of carbide slag, desulfurated plaster self, for good basic condition has been created in energy-saving and emission-reduction and the low carbonization of construction industry simultaneously.
Embodiment
Below by embodiment, further illustrate the present invention.
Embodiment 1, and the active compound activator of a kind of phosphorus slag powder, coordinates and form according to the mass ratio of carbide slag 100, desulfurated plaster 20, water glass (chemical reagent) 20, Tai-Ace S 150 (chemical reagent) 20, sodium hydroxide (chemical reagent) 20.According to phosphorus slag powder volume, be cement quality 30%, compound activator volume is 4% of phosphorus slag powder quality, and the proportioning of the mortar of preparation is in Table 1, and mortar performance test result is in Table 2.
Embodiment 2, and the active compound activator of a kind of phosphorus slag powder, coordinates and form according to the mass ratio of carbide slag 100, desulfurated plaster 60, water glass (industrial chemicals) 40, Tai-Ace S 150 (industrial chemicals) 40, sodium hydroxide (industrial chemicals) 35.According to phosphorus slag powder volume, be cement quality 30%, compound activator volume is 8% of phosphorus slag powder quality, and the proportioning of the mortar of preparation is in Table 1, and mortar performance test result is in Table 2.
Embodiment 3, and the active compound activator of a kind of phosphorus slag powder, coordinates and form according to the mass ratio of carbide slag 100, desulfurated plaster 80, water glass (chemical reagent) 60, Tai-Ace S 150 (chemical reagent) 60, sodium hydroxide (industrial chemicals) 60.According to phosphorus slag powder volume, be cement quality 30%, compound activator volume is 12% of phosphorus slag powder quality, and the proportioning of the mortar of preparation is in Table 1, and mortar performance test result is in Table 2.
table 1 embodiment tests proportioning
table 2 embodiment the performance test results
Claims (8)
1. the active compound activator of phosphorus slag powder, is characterized in that being comprised of carbide slag, desulfurated plaster, water glass, Tai-Ace S 150 and sodium hydroxide, and the mass ratio of each component is:
Carbide slag 100
Desulfurated plaster 20-80
Water glass 20-60
Tai-Ace S 150 20-60
Sodium hydroxide 20-60.
2. the active compound activator of a kind of phosphorus slag powder according to claim 1, is characterized in that the mass ratio of each component is:
Carbide slag 100
Desulfurated plaster 20-60
Water glass 25-40
Tai-Ace S 150 25-50
Sodium hydroxide 25-45.
3. the active compound activator of a kind of phosphorus slag powder according to claim 1, is characterized in that the product after described carbide slag is for the residue drying and processing of production acetylene, and its free-water mass ratio is not more than 3%, and calcium hydroxide mass ratio is not less than 85%.
4. the active compound activator of a kind of phosphorus slag powder according to claim 1, is characterized in that described desulfurated plaster is desulfurized gesso of flue gas, and its free-water mass ratio is not more than 5%, and terra alba mass ratio is not less than 85%.
5. the active compound activator of a kind of phosphorus slag powder according to claim 1, is characterized in that described water glass is a kind of in chemically pure reagent or industrial chemicals.
6. the active compound activator of a kind of phosphorus slag powder according to claim 1, is characterized in that described Tai-Ace S 150 is a kind of in chemically pure reagent or industrial chemicals.
7. the active compound activator of a kind of phosphorus slag powder according to claim 1, is characterized in that described sodium hydroxide is a kind of in chemically pure reagent or industrial chemicals.
8. the using method of the active compound activator of a kind of phosphorus slag powder as claimed in claim 1, it is characterized in that concrete steps are as follows: the volume of the active compound activator of phosphorus slag powder is the 4%-12% of phosphorus slag powder quality, phosphorus slag powder is when being used as adulterant, first according to experimental design proportioning, take corresponding cement, phosphorus slag powder, compound activator, aggregate and water, cement, phosphorus slag powder, compound activator and aggregate are put into dry mixing homogenizing in stirrer, and then add water stirring.
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| CN201310518173.8A CN103553402B (en) | 2013-10-29 | 2013-10-29 | A kind of phosphorus slag powder Active compound activator and using method thereof |
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|---|---|---|---|
| CN201310518173.8A CN103553402B (en) | 2013-10-29 | 2013-10-29 | A kind of phosphorus slag powder Active compound activator and using method thereof |
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| CN103553402B CN103553402B (en) | 2015-10-28 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104724955A (en) * | 2014-11-25 | 2015-06-24 | 贵州大远混凝土有限公司 | Method for preparing high-activity composite phosphorus slag powder |
| CN105130216A (en) * | 2015-08-19 | 2015-12-09 | 安徽建筑大学 | Preparation method for phosphorus-slag micropowder applied to cement-based material |
| CN105293968A (en) * | 2015-11-30 | 2016-02-03 | 马鞍山泓宇材料科技有限公司 | Phosphorus slag compound modifying agent |
| CN105693119A (en) * | 2016-02-02 | 2016-06-22 | 武汉理工大学 | Modified phosphorus slag powder, and preparation method and application thereof |
| CN108249789A (en) * | 2018-01-15 | 2018-07-06 | 三峡大学 | A kind of phosphorus slag base compound cementitious matter of no first-hand datum and preparation method thereof |
| CN110467368A (en) * | 2019-09-11 | 2019-11-19 | 上海海顾新材料科技有限公司 | A kind of activity excitant and preparation method thereof for inorganic solid waste building materials |
| CN110713354A (en) * | 2019-11-19 | 2020-01-21 | 中国地质大学（北京） | Phosphorus slag silicon-aluminum-based cementing material and preparation method thereof |
| CN111056764A (en) * | 2019-12-12 | 2020-04-24 | 山东大学 | Efficient solid waste base gelation activity excitant |
| CN111847956A (en) * | 2020-07-14 | 2020-10-30 | 武汉理工大学 | Phosphogypsum-based cement retarder and preparation method and application thereof |
| CN113003974A (en) * | 2021-04-15 | 2021-06-22 | 盛海聚源(山东)科技发展有限公司 | Slag ash activity excitant and method for exciting slag ash activity by using same |
| CN113773012A (en) * | 2021-08-18 | 2021-12-10 | 辽宁壹立方砂业有限责任公司 | Additive composition for 3D printing, mortar material and preparation method thereof |
| CN113860763A (en) * | 2021-11-01 | 2021-12-31 | 山东永鑫环保科技有限公司 | Steel slag active exciting agent and active steel slag |
| CN114057420A (en) * | 2021-11-18 | 2022-02-18 | 中国水利水电第七工程局有限公司 | Non-retarding phosphorous slag powder for cement-based material and preparation method thereof |
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| CN102167558A (en) * | 2011-01-05 | 2011-08-31 | 同济大学 | Excitant for exciting activity of industrial waste residues of phosphorite ore as well as preparation method and application thereof |
-
2013
- 2013-10-29 CN CN201310518173.8A patent/CN103553402B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167558A (en) * | 2011-01-05 | 2011-08-31 | 同济大学 | Excitant for exciting activity of industrial waste residues of phosphorite ore as well as preparation method and application thereof |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104724955A (en) * | 2014-11-25 | 2015-06-24 | 贵州大远混凝土有限公司 | Method for preparing high-activity composite phosphorus slag powder |
| CN105130216A (en) * | 2015-08-19 | 2015-12-09 | 安徽建筑大学 | Preparation method for phosphorus-slag micropowder applied to cement-based material |
| CN105293968A (en) * | 2015-11-30 | 2016-02-03 | 马鞍山泓宇材料科技有限公司 | Phosphorus slag compound modifying agent |
| CN105693119A (en) * | 2016-02-02 | 2016-06-22 | 武汉理工大学 | Modified phosphorus slag powder, and preparation method and application thereof |
| CN105693119B (en) * | 2016-02-02 | 2017-11-21 | 武汉理工大学 | A kind of modified phosphorous slag powder and its preparation method and application |
| CN108249789A (en) * | 2018-01-15 | 2018-07-06 | 三峡大学 | A kind of phosphorus slag base compound cementitious matter of no first-hand datum and preparation method thereof |
| CN110467368B (en) * | 2019-09-11 | 2021-11-26 | 上海海顾新材料科技有限公司 | Active excitant for inorganic solid waste building material and preparation method thereof |
| CN110467368A (en) * | 2019-09-11 | 2019-11-19 | 上海海顾新材料科技有限公司 | A kind of activity excitant and preparation method thereof for inorganic solid waste building materials |
| CN110713354A (en) * | 2019-11-19 | 2020-01-21 | 中国地质大学（北京） | Phosphorus slag silicon-aluminum-based cementing material and preparation method thereof |
| CN111056764A (en) * | 2019-12-12 | 2020-04-24 | 山东大学 | Efficient solid waste base gelation activity excitant |
| CN111056764B (en) * | 2019-12-12 | 2020-11-06 | 山东大学 | Efficient solid waste base gelation activity excitant |
| CN111847956A (en) * | 2020-07-14 | 2020-10-30 | 武汉理工大学 | Phosphogypsum-based cement retarder and preparation method and application thereof |
| CN113003974A (en) * | 2021-04-15 | 2021-06-22 | 盛海聚源(山东)科技发展有限公司 | Slag ash activity excitant and method for exciting slag ash activity by using same |
| CN113773012A (en) * | 2021-08-18 | 2021-12-10 | 辽宁壹立方砂业有限责任公司 | Additive composition for 3D printing, mortar material and preparation method thereof |
| CN113860763A (en) * | 2021-11-01 | 2021-12-31 | 山东永鑫环保科技有限公司 | Steel slag active exciting agent and active steel slag |
| CN113860763B (en) * | 2021-11-01 | 2023-02-17 | 山东永鑫环保科技有限公司 | Steel slag active exciting agent and active steel slag |
| CN114057420A (en) * | 2021-11-18 | 2022-02-18 | 中国水利水电第七工程局有限公司 | Non-retarding phosphorous slag powder for cement-based material and preparation method thereof |
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