CN101182149A - Composite activated cement reinforced grinding aids containing polycarboxylic acid series and method for preparing the same - Google Patents
Composite activated cement reinforced grinding aids containing polycarboxylic acid series and method for preparing the same Download PDFInfo
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- CN101182149A CN101182149A CNA200710158401XA CN200710158401A CN101182149A CN 101182149 A CN101182149 A CN 101182149A CN A200710158401X A CNA200710158401X A CN A200710158401XA CN 200710158401 A CN200710158401 A CN 200710158401A CN 101182149 A CN101182149 A CN 101182149A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/48—Clinker treatment
- C04B7/52—Grinding ; After-treatment of ground cement
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
- C04B40/0046—Premixtures of ingredients characterised by their processing, e.g. sequence of mixing the ingredients when preparing the premixtures
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/52—Grinding aids; Additives added during grinding
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00025—Aspects relating to the protection of the health, e.g. materials containing special additives to afford skin protection
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/10—Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
- C04B2111/1062—Halogen free or very low halogen-content materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/26—Corrosion of reinforcement resistance
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to a cement reinforced grinding aid, containing polycarboxylic acid type composite activated cement reinforced grinding aid, which contains esterification catalyst, inhibitor, initiator, grinding aid, activator, strengthening agent, blending agent and chain transfer agent and contains no chlorine ion. The polycarboxylic acid type composite activated cement reinforced grinding aid is a neutral efficient composite cement additive, which is synthesized through the highly efficient magnetized, activated and composite technology. The invention is made though synthesizing inorganic reinforced components with optimized surfactant and antistatic agent and has the advantages of toxin-free, hazard-free, nonirritant, chlorine-free, flame retardant and non-corrosive. The product belongs to green produce. The used amount is 0.015-0.025 weight portions of cement, and the mill output per hour can be improved by 10-25 percent. The twenty eighth day strength of the cement can be increased by 4-8MPa. The strength is increased by 2-4MPa in three days.
Description
Technical field:
The present invention relates to a kind of compound running water cement reinforced grinding aids that contains polycarboxylic acid series, its manufacture method also is provided in addition.
Background technology:
Grinding grinding element in grinding machine rotation, mill collides mutually, pushes, rubs and finish, and is the process that a change of granularity and mechanical force and chemical change.Grinding process is again the process of a highly energy-consuming poor efficiency, and about energy more than 80% is wasted.For cutting down the consumption of energy, improve mill efficiency, people take two big measures usually: the one, improve grinding machine mechanism, grinding process, grinding mode etc. so that more mechanical energy act on by grinding material; The 2nd, the chemical additive that adds trace in grinding process improves the power chemical process of grinding, thereby reaches the purpose that improves mill efficiency.The preceding a kind of of these two kinds of measures fact proved that it improves the spatial limitation, and then a kind of then is the research emphasis in present this field.External industrially developed country particularly, cement production enterprise as states such as America and Europe, Japan generally uses cement grinding aid in cement pulverizing course, not only obtained good economic benefits, and cement and even concrete performance have all been had improving in various degree.The kind of cement grinding aid is divided two kinds of solid and liquid, and the expensive goods in the liquid grinding aid is that foreign brand name occupies always, and price is higher also to have restricted being extensive use of of cement grinding aid.And domestic grinding aid mostly is tensio-active agent, organic alcohol amine class, fatty acid and salt thereof greatly.The part cement mill uses industrial waste as grinding aid, because quality and source instability cause result of use undesirable.Though powder grinding aid low price but volume is too high, its unit cost is than the liquid grinding aid height, and all use villaumite etc. in most of powder product to the deleterious component of cement quality, villaumite has serious corrosion to reinforcing bar in the Steel Concrete, so general is used in the low grade products of little cement.
In recent years, along with scientific-technical progress and national reinforcement to the energy-saving and emission-reduction working dynamics, all parts of the country have also been set up many cement grinding aid specialized factories one after another.But all be about improving the additive of a certain performance of cement mostly.And mostly be the grinding aid that alkali excited or contained villaumite.Easily cause concrete alkali-aggregate reaction and steel bar corrosion, influence concrete weather resistance.
Summary of the invention:
The objective of the invention is to overcome above-mentioned not enough problem, a kind of composite activated cement reinforced grinding aids that contains polycarboxylic acid series is provided, prescription is reasonable, and performance is good, and high-efficiency environment friendly and cost are low.Its method for making also is provided in addition, simple to operation.
The technical scheme that the present invention is adopted for achieving the above object is: the composite activated cement reinforced grinding aids that contains polycarboxylic acid series, contain esterifying catalyst, stopper, initiator, grinding aid, activator, toughener, blender and chain-transfer agent, not chloride ion-containing.
The weight part that contains raw material in the described composite activated cement reinforced grinding aids that contains polycarboxylic acid series is: esterifying catalyst: 1～50, stopper: 1～60, initiator: 1～70, grinding aid 1～80, activator 1～70, toughener 1～60, chain-transfer agent 1～50, blender: 1～40.
Described esterifying catalyst is selected from the vitriol oil, toluenesulphonic acids, solid acid SO
4 2-/ ZrO
2In one or more; Stopper is selected from one or more in hydroxyanisol, dihydroxy-benzene, the phenothiazine; Initiator is selected from one or more in Sodium Persulfate, ammonium persulphate, the Potassium Persulphate; Grinding aid is selected from one or more in diethanolamine, trolamine, tri-isopropanolamine, ethylene glycol, Diethylene Glycol, propylene glycol, the glycerol; Activator is selected from one or more in calcium lignin sulphonate, sodium lignosulfonate, sodium vinyl sulfonate, the rare sodium sulfonate of methyl-prop, Sodium Toluene Sulphonate, the spent pulping liquor; Toughener is selected from one or more in sodium-acetate, Ammoniom-Acetate, urea, naphthenic acid, certain herbaceous plants with big flowers acid, the Tai-Ace S 150; In chain-transfer agent selected from mercapto ethanol, beta-mercaptoethanol, the isooctyl mercaptoacetate one or more; Blender is selected from one or more in sodium hydroxide, calcium hydroxide, the yellow soda ash.
Contain methacrylic acid, vinylformic acid, maleic anhydride or toxilic acid in the described composite activated cement reinforced grinding aids that contains polycarboxylic acid series.
Methacrylic acid, vinylformic acid, maleic anhydride or toxilic acid in the described composite activated cement reinforced grinding aids that contains polycarboxylic acid series, its weight part is 1～85.
Contain poly glycol monomethyl ether (methyl) vinylformic acid or the acrylic acid carboxylate of poly glycol monomethyl ether in the described composite activated cement reinforced grinding aids that contains polycarboxylic acid series.
Poly glycol monomethyl ether (methyl) vinylformic acid or the acrylic acid carboxylate of poly glycol monomethyl ether in the described composite activated cement reinforced grinding aids that contains polycarboxylic acid series, its weight part is 1～90.
Described grinding aid reinforcing agent is a solid, wherein also contains filler, and the composite activated cement reinforced grinding aids liquid that contains polycarboxylic acid series is 1: 5～20 with the filler weight ratio.
The described composite activated cement reinforced grinding aids filler that contains polycarboxylic acid series is one or more of flyash, slag powders, silica flour, sepiolite powder or Ying Fenzhong.
The method for making of composite activated cement reinforced grinding aids that liquid of the present invention contains polycarboxylic acid series is as follows:
The first step, esterification:
Preparation poly glycol monomethyl ether (methyl) vinylformic acid or the acrylic acid carboxylate of poly glycol monomethyl ether: add esterifying catalyst, stopper, methacrylic acid with 1～85 weight part, vinylformic acid, in maleic anhydride or the toxilic acid one or more, adding molecular weight is 700, in the poly glycol monomethyl ether of one or more of 1000 or 2000, control adds methacrylic acid, vinylformic acid, the time of maleic anhydride or toxilic acid is in 120 ± 10 minutes, under 80 ± 5 ℃ condition, reacted 4 ± 0.5 hours, after reaction is finished, extract water and toluene out, can obtain poly glycol monomethyl ether (methyl) vinylformic acid or the acrylic acid carboxylate of poly glycol monomethyl ether, the carboxylate molecular weight is 5000～50000;
Second step, polyreaction:
Preparation contains the composite activated cement reinforced grinding aids solution of polycarboxylic acid series: with methacrylic acid, vinylformic acid, vinylformic acid, the rare sodium sulfonate of in maleic anhydride or the toxilic acid one or more and methyl-prop adds the first step product---in poly glycol monomethyl ether (methyl) vinylformic acid or the acrylic acid carboxylate of poly glycol monomethyl ether, the control joining day is in 120 ± 10 minutes, add initiator, grinding aid, activator, toughener and chain-transfer agent, in the aqueous solution, under 80 ± 5 ℃ of temperature, carry out polyreaction, reaction times is 5 ± 0.5 hours, after reaction is finished, add in the blender and PH, promptly obtain a kind of composite activated cement reinforced grinding aids that contains polycarboxylic acid series of 30wt%.
The composite activated cement reinforced grinding aids that the present invention contains polycarboxylic acid series is by Efficiente magnetizing activation and the neutral efficient composite cement additive of compounding technology synthetic, adopt inorganic enhancing component and preferred surfactants and static inhibitor is compound is prepared from, nontoxic, harmless, nonirritant, no chlorine, fire-retardant, non-corrosiveness, product belongs to " green " product.Its consumption is 0.015～0.025 of cement quality when using, and can improve mill hourly output 10%～25%; 28 days intensity of cement can increase by 4～8MPa, and intensity increased by 2～4MPa in 3 days.
Its outstanding feature mainly shows following several respects:
1. the adding of this grinding aid reinforcing agent, by physics or chemisorption in the grinding material particle surface, can effectively reduce the surface free energy of material particles, avoid crack healing and promote the expansion of crackle, reduce intergranular friction and adhesive power, intergranular slip is become easily, increase the flowability of material, thereby improve the grinding environment in the mill, finally improve grinding effect.
2. material and ball are forged the pulverizing that bump such as medium in grinding process, and particulate internal electrical valence link is cut off, and form electric charge element, produce static, be adsorbed on dielectric surface, the bag ball occur and stick with paste the mill phenomenon, use this grinding aid reinforcing agent after, make the valence link power on the surface of fracture obtain saturated, static charge between the particle obtains shielding, sticks with paste the mill phenomenon thereby effectively prevent to wrap ball, has improved powder fluidity, avoided crossing grinding, realized putting forward the purpose of product consumption.
3. the neutralizing effect meeting of this grinding aid reinforcing agent reduces that tiny crack heals again and reactive force such as fine particle congregation, makes the expansion of crackle trend, prevents that fine particle from reuniting, and particularly the fine grinding stage, plays the poly-effect of good dispersion, effectively prolongs the grinding limit.Can make 3～32um particulate content increase by 10～20% in the cement, along with more becoming rationally of cement granules grating and increasing of trace active composition, improved the cement granules grating effectively, promote the cement granules spheroidization, improve cement granules circularity coefficient, promote the aquation of cement, help the formation of cement gel, so each age strength of cement can strengthen to some extent all.
4. chemical reaction takes place in chemical substance in this grinding aid reinforcing agent and the aluminium in the cement, silicon, calcium etc., generation has the intermediate material of enhancement function, causes oxide compound lattice imperfection in the cement simultaneously, increases the activity of cement, thereby the raising strength of cement is improved cement performance.
Embodiment:
Embodiment 1:
Reach the composite activated cement reinforced grinding aids that feedstock production contains polycarboxylic acid series as follows:
The first step, esterification:
Preparation poly glycol monomethyl ether (methyl) acroleic acid esterification thing, add 10 parts of esterifying catalyst toluenesulphonic acidss, 10 parts of stopper dihydroxy-benzenes, 10 parts of phenothiazines, it is in 1000 the poly glycol monomethyl ether that 10 parts of methacrylic acids are added molecular weight, control added the time of methacrylic acid in 120 ± 10 minutes, under 80 ± 5 ℃ condition, reacted 4 ± 0.5 hours, after reaction is finished, extract water and toluene out, can obtain the acrylic acid carboxylate of poly glycol monomethyl ether (methyl), the carboxylate molecular weight is 5000～50000.
Second step, polyreaction:
Preparation contains the composite activated cement reinforced grinding aids solution of polycarboxylic acid series, with 10 parts of methacrylic acids and 10 parts of products that slowly add esterification of the rare sodium sulfonate of methyl-prop---in the acrylic acid carboxylate of poly glycol monomethyl ether (methyl), the control joining day is in 120 ± 10 minutes, its reaction conditions is: with 50 parts of ammonium persulphates is initiator, with 10 parts of tri-isopropanolamines, 15 parts of ethylene glycol, 25 parts of Diethylene Glycols are grinding aid, with 20 parts of sodium lignosulfonates, 40 parts of sodium vinyl sulfonate activators, with 15 parts of Tai-Ace S 150 is toughener, with 35 parts of isooctyl mercaptoacetates is chain-transfer agent, in the aqueous solution, under 80 ± 5 ℃ of temperature, carry out polyreaction, reaction times is 5 ± 0.5 hours, after reaction is finished, with sodium hydroxide and yellow soda ash is in the blender and PH=7 ± 0.5, promptly obtains a kind of composite activated cement reinforced grinding aids that contains polycarboxylic acid series of 30wt%.
The composite activated cement reinforced grinding aids that contains polycarboxylic acid series that makes, its molecular weight are 5000～50000, and outward appearance is a brown liquid, density (20 ℃): 0.98～1.13, proportion: 1.10～1.18g/cm3, chloride ion-containing not, this cement reinforced grinding aid is applicable to ordinary Portland cement.
Embodiment 2:
The composite activated cement reinforced grinding aids that contains polycarboxylic acid series for preparing liquid by embodiment 1 described method:
Its parts by weight of raw materials of the first step is as follows: molecular weight is 2000 poly glycol monomethyl ethers, and molecular weight is 700 poly glycol monomethyl ether, 12 parts of methacrylic acids.
Second step: 5 parts of the esterifying catalyst vitriol oils, 25 parts of toluenesulphonic acidss, 20 parts of stopper hydroxyanisols, 50 parts of initiator Sodium Persulfates, 30 parts of grinding aid diethanolamine, 30 parts of Diethylene Glycols, 60 parts of activator calcium lignin sulphonates, 5 parts of toughener sodium-acetates, 6 parts in urea, 5 parts of naphthenic acid, 10 parts of chain-transfer agent mercaptoethanols, blender sodium hydroxide: 10 parts.The composite activated cement reinforced grinding aids that contains polycarboxylic acid series that makes liquid is applicable to Portland blast.
Embodiment 3:
The composite activated cement reinforced grinding aids that contains polycarboxylic acid series for preparing liquid by embodiment 1 described method:
Its parts by weight of raw materials of the first step is as follows: molecular weight is 10 parts in 700 poly glycol monomethyl ether, a vinylformic acid.
Second its raw materials used weight part of step is as follows: 5 parts of the esterifying catalyst vitriol oils, solid acid SO
4 2-/ ZrO
230 parts; 5 parts of stopper hydroxyanisols, 5 parts of phenothiazines; 15 parts of initiator ammonium persulfates, 15 parts of Potassium Persulphates; 70 parts of grinding aid Diethylene Glycols; 40 parts of activator sodium vinyl sulfonates, 5 parts of spent pulping liquors; 2 parts in toughener urea, 4 parts of naphthenic acid, 8 parts of certain herbaceous plants with big flowers acid; 15 parts of chain-transfer agent mercaptoethanols, 5 parts of beta-mercaptoethanols; Blender sodium hydroxide, the composite activated cement reinforced grinding aids that contains polycarboxylic acid series that makes liquid is applicable to Portland fly ash cement.
Embodiment 4:
Prepare the liquid water cement reinforced grinding aids by embodiment 1 described method:
Its parts by weight of raw materials of the first step is as follows: molecular weight is 10 parts of 1000 poly glycol monomethyl ether, maleic anhydrides.
Second its parts by weight of raw materials of step is as follows: 45 parts of esterifying catalyst toluenesulphonic acidss; 55 parts of stopper phenothiazines; 10 parts of initiator potassium persulfate; 5 parts of grinding aid diethanolamine, 5 parts of trolamines, 55 parts of glycerol; 25 parts of the rare sodium sulfonates of activator methyl-prop, 25 parts of Sodium Toluene Sulphonates; 5 parts of toughener sodium-acetates, 20 parts of Ammoniom-Acetates, 3 parts of certain herbaceous plants with big flowers acid; 10 parts of chain-transfer agent beta-mercaptoethanols; Blender sodium hydroxide.The liquid water cement reinforced grinding aids that makes is applicable to Portland pozzolana cement.
Embodiment 5:
To make the liquid water cement reinforced grinding aids after the following various auxiliary agents mixing, wherein raw material and raw material consumption are as follows: 10 parts of the esterifying catalyst vitriol oils, 10 parts of toluenesulphonic acidss; Stopper hydroxyanisol 20 minutes, 20 parts of dihydroxy-benzenes; 40 parts of initiator Sodium Persulfates; 10 parts of grinding aid trolamines, 10 parts of tri-isopropanolamines, 50 parts of glycerol; 15 parts of activator calcium lignin sulphonates, 2 parts of Sodium Toluene Sulphonates, 2 parts of spent pulping liquors; 30 parts of toughener naphthenic acid, 10 parts in Tai-Ace S 150; 5 parts of chain-transfer agent mercaptoethanols, 5 parts of isooctyl mercaptoacetates; It is 7.0～11.0 that blender sodium hydroxide or calcium hydroxide are adjusted pH value.The liquid water cement reinforced grinding aids that makes is applicable to composite Portland cement.
Embodiment 6
Preparation solid water cement reinforced grinding aids adds filler with embodiment 1 prepared liquid water cement reinforced grinding aids, and filling adding amount is 10 times of liquid, and filler is flyash, slag powders, silica flour, sepiolite powder or English powder mixture.
Product of the present invention is remarkable through trial effect, and the adding method is easy: directly grinding aid is added in the mill from bistrique by microprocessor pump drive, and immature as condition, admixture can be added on the grog of conveyor, good more the closer to grinding machine.Height according to temperature in mill feed material temperature and the mill can dilute use with grinding aid concentration.
Concrete trial effect is as follows:
Table 1: certain cement Manufacturing Co., Ltd (embodiment 1 product on probation)
| Distinguish | Shaft kiln clinker | Slag | Flyash | Wingdale | Gypsum | Volume ‰ | During platform | Fineness | Specific surface area | Denseness | Initial set | Final set | 3 days (Mpa) | 28 days (Mpa) | ||
| Anti-folding | Resistance to compression | Anti-folding | Resistance to compression | |||||||||||||
| Blank | 68 | 20 | 10 | 0 | 4 | \ | 28 | 2.8 | 335 | 9 | 3∶28 | 4∶30 | 3.8 | 16.3 | 7.2 | 38.1 |
| Adding assistant | 58 | 15 | 18 | 5 | 4 | 0.25 | 32 | 2.5 | 350 | 28.4 | 3∶08 | 3∶53 | 4.2 | 18.8 | 7.6 | 31.6 |
Table 2: certain cement grinding station (embodiment 2 products on probation)
| Distinguish | The rotary kiln grog | Slag | Flyash | Wingdale | Gypsum | Volume ‰ | During platform | Fineness | Specific surface area | Denseness | Initial set | Final set | 3 days (Mpa) | 28 days (Mpa) | ||
| Anti-folding | Resistance to compression | Anti-folding | Resistance to compression | |||||||||||||
| Blank | 64 | 20 | 7 | 5 | 4 | \ | 26 | 3.3 | 320 | 28.6 | 3∶20 | 4∶30 | 3.7 | 17.4 | 7.0 | 36.1 |
| Adding assistant | 52 | 23 | 12 | 9 | 4 | 0.25 | 30 | 2.5 | 335 | 27.8 | 3∶06 | 4∶08 | 4.1 | 18.2 | 7.5 | 38.0 |
Economic and Efficiency Analysis:
| Distinguish | Grog | Slag | Flyash | Wingdale | Gypsum | Grinding aid | Add up to | |
| Unit price (unit/ton) | 200 | 60 | 40 | 25 | 80 | 12500 | / | |
| Proportioning (%) | A | 64 | 20 | 7 | 5 | 4 | 0 | Blank |
| B | 52 | 23 | 12 | 9 | 4 | 0.025 | Add grinding aid | |
| Cost (unit/ton) | A | 128 | 12 | 2.8 | 1.25 | 3.2 | 0 | 147.25 |
| B | 104 | 13.8 | 4.8 | 2.25 | 3.2 | 3.1 | 132.95 | |
| Priming cost is saved: cost A-cost B=147.25-132.95=14.3 unit/ton | ||||||||
| Unit-hour output raising 15% behind the admixture grinding aid, ton cement power consumption decline 5 degree, ton electricity charge decline 5 * 0.5=2.5 unit | ||||||||
| Ton cement comprehensive cost descends behind the admixture grinding aid: 14.3+2.5=16.8 unit | ||||||||
Claims (10)
1. the present invention contains the composite activated cement reinforced grinding aids of polycarboxylic acid series, it is characterized in that: it contains esterifying catalyst, stopper, initiator, grinding aid, activator, toughener, blender and chain-transfer agent, not chloride ion-containing.
2. the composite activated cement reinforced grinding aids that contains polycarboxylic acid series according to claim 1 is characterized in that: the weight part that contains raw material in the grinding aid is: esterifying catalyst: 1～50, stopper: 1～60, initiator: 1～70, grinding aid 1～80, activator 1～70, toughener 1～60, chain-transfer agent 1～50, blender: 1～40.
3. the composite activated cement reinforced grinding aids that contains polycarboxylic acid series according to claim 1 and 2 is characterized in that: esterifying catalyst is selected from one or more among the vitriol oil, toluenesulphonic acids, the solid acid SO42-/ZrO2; Stopper is selected from one or more in hydroxyanisol, dihydroxy-benzene, the phenothiazine; Initiator is selected from one or more in Sodium Persulfate, ammonium persulphate, the Potassium Persulphate; Grinding aid is selected from one or more in diethanolamine, trolamine, tri-isopropanolamine, ethylene glycol, Diethylene Glycol, propylene glycol, the glycerol; Activator is selected from one or more in calcium lignin sulphonate, sodium lignosulfonate, sodium vinyl sulfonate, the rare sodium sulfonate of methyl-prop, Sodium Toluene Sulphonate, the spent pulping liquor; Toughener is selected from one or more in sodium-acetate, Ammoniom-Acetate, urea, naphthenic acid, certain herbaceous plants with big flowers acid, the Tai-Ace S 150; In chain-transfer agent selected from mercapto ethanol, beta-mercaptoethanol, the isooctyl mercaptoacetate one or more; Blender is selected from one or more in sodium hydroxide, calcium hydroxide, the yellow soda ash.
4. the composite activated cement reinforced grinding aids that contains polycarboxylic acid series according to claim 3 is characterized in that: contain methacrylic acid, vinylformic acid, maleic anhydride or toxilic acid in the grinding aid reinforcing agent.
5. the composite activated cement reinforced grinding aids that contains polycarboxylic acid series according to claim 4 is characterized in that: methacrylic acid, vinylformic acid, maleic anhydride or toxilic acid in the grinding aid reinforcing agent, its weight part are 1～85.
6. the composite activated cement reinforced grinding aids that contains polycarboxylic acid series according to claim 3 is characterized in that: contain poly glycol monomethyl ether (methyl) vinylformic acid or the acrylic acid carboxylate of poly glycol monomethyl ether in the grinding aid reinforcing agent.
7. the composite activated cement reinforced grinding aids that contains polycarboxylic acid series according to claim 4 is characterized in that: the weight part of (methyl) vinylformic acid of poly glycol monomethyl ether in the grinding aid reinforcing agent or the acrylic acid carboxylate of poly glycol monomethyl ether is 1～90.
8. the composite activated cement reinforced grinding aids that contains polycarboxylic acid series according to claim 3 is characterized in that: described grinding aid is a solid, wherein also contains filler, and grinding aid liquid is 1: 5～20 with the filler weight ratio.
9. the composite activated cement reinforced grinding aids that contains polycarboxylic acid series according to claim 6 is characterized in that: filler is one or more of flyash, slag powders, silica flour, sepiolite powder or Ying Fenzhong.
10. the present invention contains the method for making of the composite activated cement reinforced grinding aids of polycarboxylic acid series, it is characterized in that:
The first step, esterification:
Preparation poly glycol monomethyl ether (methyl) vinylformic acid or the acrylic acid carboxylate of poly glycol monomethyl ether: add esterifying catalyst, stopper, methacrylic acid with 1～85 weight part, vinylformic acid, in maleic anhydride or the toxilic acid one or more, adding molecular weight is 700, in the poly glycol monomethyl ether of one or more of 1000 or 2000, control adds methacrylic acid, vinylformic acid, the time of maleic anhydride or toxilic acid is in 120 ± 10 minutes, under 80 ± 5 ℃ condition, reacted 4 ± 0.5 hours, after reaction is finished, extract water and toluene out, can obtain poly glycol monomethyl ether (methyl) vinylformic acid or the acrylic acid carboxylate of poly glycol monomethyl ether;
Second step, polyreaction:
Preparation contains the composite activated cement reinforced grinding aids solution of polycarboxylic acid series: with methacrylic acid, vinylformic acid, the rare sodium sulfonate of in maleic anhydride or the toxilic acid one or more and methyl-prop adds the first step product---in poly glycol monomethyl ether (methyl) vinylformic acid or the acrylic acid carboxylate of poly glycol monomethyl ether, the control joining day is in 120 ± 10 minutes, add initiator, grinding aid, activator, toughener and chain-transfer agent, in the aqueous solution, under 80 ± 5 ℃ of temperature, carry out polyreaction, reaction times is 5 ± 0.5 hours, after reaction is finished, add in the blender and PH, promptly obtain a kind of composite activated cement reinforced grinding aids liquid that contains polycarboxylic acid series that contains polycarboxylic acid series of 30wt%.
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