CN105693132B - The preparation method of silver grey Rock Powder grinding aid special - Google Patents
The preparation method of silver grey Rock Powder grinding aid special Download PDFInfo
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- CN105693132B CN105693132B CN201610058115.5A CN201610058115A CN105693132B CN 105693132 B CN105693132 B CN 105693132B CN 201610058115 A CN201610058115 A CN 201610058115A CN 105693132 B CN105693132 B CN 105693132B
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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
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Abstract
The invention discloses a kind of silver grey Rock Powder grinding aid special, it is prepared from parts by weight by 10 50 parts of 10 25 parts of triethanolamine, 5 15 parts of polymerized polyalcohol, 20 40 parts of polycarboxylic acids, 1 10 parts of cane molasses, 1 10 parts of alkyl propane sulfonic acid salt, 1 10 parts of calcium lignosulfonate, 0.1 5 parts of sulfosuccinate, 0.1 5 parts of lauryl sodium sulfate, 0.1 5 parts of glauber salt and water；Its preparation method is：A, in parts by weight, is injected water into reactor, after heating, is put into alkyl propane sulfonic acid salt, calcium lignosulfonate and sulfosuccinate, is obtained I solution；B and then lauryl sodium sulfate and glauber salt are put into above-mentioned I solution, obtain II solution；C, triethanolamine, polymerized polyalcohol and cane molasses are added in II solution, polycarboxylic acids are added after stirring, be stirred for it is uniform after sieve, it is silver grey Rock Powder grinding aid special to take the filtrate after filtering.The grinding aid of the present invention can reduce powder surface free energy, the lateral reactivity of cement and stone flour can be excited again, preparation technology is easily understood, with promotional value.
Description
Technical field
The present invention relates to the silver grey rock grinding aid that a kind of silver grey rock micro mist manufactures field, specifically a kind of silver grey Rock Powder
The preparation method of grinding aid special.
Background technology
Stone flour is a kind of stone dust of grinding to certain fineness.Its main component is CaCO3, when it is by grinding to one
When determining as mixing material to mix in cement after fineness, the grain composition of cement can be optimized, be conducive to improving the hole knot of concrete
Structure.The measured stone flour of matter depends primarily on CaCO in stone flour3Purity, as the CaCO of stone flour3Content is higher and by grinding famous dictum
When thinking fineness, stone flour can form the slurry of softness with cement, so as to effectively improve the workability of concrete.In Japan, lime
Stone flour is had been widely used among concrete product.Li Zhengshi combines the case history of successful application, demonstrates agstone
It is used as the feasibility and the necessity of existing environment of concrete admixture.Yuan Hang et al. have studied agstone fineness to concrete
The influence of performance.Liu Juan is red et al. to have studied influence of the agstone to working performance of concrete and intensity.At present, to lime stone
The research of application of the powder in concrete is more, but utilizes stone flour grinding aid to improve the research of stone flour mobility and activity index
Substantially do not have.
The active relatively low, water requirement of stone flour is to restrict its two hang-up applied in concrete greatly, and Guangxi possesses
Abundant limestone mine resource, it is silver grey rock, this rock to be located in the mine resources that the Wuzhou of Southeast of Guangxi is mainly distributed
Stone and limestone physicochemical properties are much like.Because the local stone flour in Guangxi is mainly supplied to mixing plant to use, and mixing plant
Water requirement to stone flour requires stricter, and for this case, my company has set up a research and development group, to the need of silver grey rock
Water problems of too has carried out systematic research, due to silver grey rock grindability preferably, therefore it may only be necessary to grinding very short time
Fineness with regard to that can reach very little, and with very high specific surface area, with the increase of specific surface area, fine powder surface and water connect
Contacting surface product is just corresponding to become big, causes water requirement to increase, present invention is generally directed to the development of the silver grey rock with Guangxi Local characteristic
Mortar fluidity, cement mortar strength and concrete optimum etc. test, it is intended to solve the stone flour water requirement it is excessive the problem of.
The content of the invention
The goal of the invention of the present invention is：For above-mentioned problem, the present invention is carried out with triethanolamine, polycarboxylic acids etc.
Compounding, has made the surfactant contained in a kind of silver grey Rock Powder grinding aid special, the stone flour grinding aid and has changed stone
The surface property of powder, can make the surface of the wetting stone flour of moisture more efficiently, so as to reduce the consumption of moisture；And with stone flour
Surface can reduce, the mobile performance of stone flour can be improved again, the problem of solving silver grey Rock Powder poor fluidity；In addition, this
The grinding aid prepared is invented while optimization talc particles level is matched somebody with somebody, catalytic activation component excites the potential work of cement and stone flour
Property, increase substantially the activity of silver grey Rock Powder.
The present invention is achieved by the following technical solutions：
A kind of silver grey Rock Powder grinding aid special, in parts by weight by 10-25 parts of triethanolamine, polymerized polyalcohol 5-
15 parts, 20-40 parts of polycarboxylic acids, 1-10 parts of cane molasses, 1-10 parts of alkyl propane sulfonic acid salt, 1-10 parts of calcium lignosulfonate, sulphur
10-50 parts of 0.1-5 parts of base succinate, 0.1-5 parts of lauryl sodium sulfate, 0.1-5 parts of glauber salt and water are prepared from.
In the present invention, it is preferred to, the silver grey Rock Powder grinding aid special, in parts by weight by triethanolamine
15-20 parts, it is 8-12 parts of polymerized polyalcohol, 25-35 parts of polycarboxylic acids, 2-8 parts of cane molasses, 3-8 parts of alkyl propane sulfonic acid salt, wooden
Plain sulfoacid calcium 3-8 parts, 0.5-3 parts of sulfosuccinate, 0.5-3 parts of lauryl sodium sulfate, 0.5-3 parts of glauber salt and water 20-
35 parts are prepared from.
In the present invention, it is more preferred, the silver grey Rock Powder grinding aid special, in parts by weight by three ethanol
18 parts of amine, 10 parts of polymerized polyalcohol, 30 parts of polycarboxylic acids, 4 parts of cane molasses, 5 parts of alkyl propane sulfonic acid salt, calcium lignosulfonate 5
Part, 1 part of sulfosuccinate, 2 parts of lauryl sodium sulfate, 3 parts of glauber salt and 30 parts of water are prepared from.
In the present invention, as further illustrating, the polycarboxylic acids is prepared by following methods：By acrylic acid and ammonium persulfate
Be added in methylpropenyl sodium sulfonate solution, stirring reaction for a period of time after, add methoxy poly (ethylene glycol) and maleic acid
Pavilion, heating response for a period of time after, then add adjusting PH with base value to be 6-8, eventually pass dewater treatment and control moisture content for 50-70%,
It can obtain polycarboxylic acids；Each raw material is in parts by weight：1-5 parts of acrylic acid, 1-5 parts of ammonium persulfate, methylpropenyl
10-20 parts of sodium sulfonate, 1-10 parts of methoxy poly (ethylene glycol), 1-10 parts of maleic anhydride.
In the present invention, as further illustrating, the temperature of the stirring reaction is 70 ± 5 DEG C, and the time is 5-8h；It is described
The temperature of heating response is 110 ± 5 DEG C, and the time is 5-10h.
In the present invention, as further illustrating, the alkali is sodium hydroxide, magnesium hydroxide, aluminium hydroxide and hydroxide
At least one of calcium.
In the present invention, as further illustrating, the polymerized polyalcohol is in parts by weight by acrylic acid 1-10
The mixing that part, 5-10 parts of diethylene glycol (DEG), 1-5 parts of glycerine, 1-5 parts of polyglycerol, 1-5 parts of sodium soap and 10-25 parts of water are made
Thing.
The preparation method of silver grey Rock Powder grinding aid special as described above, is comprised the following steps that：
A, in parts by weight, is injected water into reactor, after heating, puts into alkyl propane sulfonic acid salt, lignin sulfonic acid
Calcium and sulfosuccinate, obtain I solution；
B and then lauryl sodium sulfate and glauber salt are put into above-mentioned I solution, obtain II solution；
C, triethanolamine, polymerized polyalcohol and cane molasses are added in II solution, polycarboxylic acids are added after stirring,
Uniform rear sieving is stirred for, it is silver grey Rock Powder grinding aid special to take the filtrate after filtering.
In the present invention, as further illustrating, the temperature heated in the step A is 20-40 DEG C；The step C mistakes
Sieve was 200-500 mesh sieves.
The raw material being related in this application can be obtained in buying on the market.
Wherein, cane molasses sugar content is 10%-20%.
Originally compared with prior art, the device have the advantages that being：
1st, the present invention is compounded with triethanolamine, polycarboxylic acids etc., has made a kind of silver grey Rock Powder grinding aid special,
The surfactant contained in the stone flour grinding aid changes the surface property of stone flour, and water-reducing rate is not during polycarboxylic acids ensures milling
Reduction, during silver grey rock grinding aid is carried out, can to wrap in the flocculence structure formed during carrying out silver grey rock milling
The water release wrapped up in comes out, and can make the surface of the wetting stone flour of moisture more efficiently, so as to reduce the consumption of moisture；And with
The surface of stone flour can be reduced, and the mobile performance of stone flour can be improved again, the problem of solving silver grey Rock Powder poor fluidity；This
Outside, the grinding aid that prepared by the present invention can improve the pH of aquation liquid phase while optimization talc particles level is matched somebody with somebody after glauber salt dissolving
Value, makes glassy state silica network in silver grey rock dissociate rapidly, and acceleration of hydration reaction, water-containing column can be obtained with silver grey karst in water
The reaction such as calcium ion, aluminium ion generation C-S-H gellings or aquation calcium aluminosilicate, promote the further water of silver grey rock and sodium metasilicate
Solution, with addition of lauryl sodium sulfate glauber salt improve aquation liquid phase pH value after, contained OH-1Ion will promote silver grey rock
In silica polymeric chain key destruction, accelerate scattered, the dissolving of silver grey rock, and form hydrated calcium silicate and drated calcium aluminate, make
Excite the lateral reactivity of cement and stone flour as catalytic activation component with addition of lauryl sodium sulfate with glauber salt, significantly carry
The activity of high silver grey Rock Powder.
2nd, the raw material polycarboxylic acids in the present invention is independently synthesized, and is set by different proportionings and the condition of adjustment reaction
Functional group containing difference in functionality after minor structure of scoring polymerization, can flexible adaptation functional requirement；The intramolecular of control polymerization contains
Various active functional group, such as ester group, hydroxyl, carbonyl, carboxyl, methyl and side-chain structure group, can strengthen its cohesive strength and
Adhesive force is strong, and with higher intensity, wearability, grinding-aid effect is more longlasting.
3rd, a kind of silver grey special stone flour grinding aid of rock of the present invention is composited by common industrial chemicals and industrial waste,
Low toxicity, performance are stable；Research is found, is added each raw material after the stone flour grinding aid of my company's independent research and is played cooperative effect, powder
Mill yield can improve 10%-20%, effectively reduction unit stone flour power consumption, accomplish high yield and saving energy；It can improve powder after incorporation stone flour
Distribution of particles and pattern, the chemical excitation of collaboration, improve the activity of stone flour, can have very well for the big silver grey rock of water requirement
Adaptability, the water requirement of stone flour can be greatly lowered so that the water requirement of silver grey Rock Powder declines to a great extent, when grinding aid is mixed
When amount reaches 0.18%, its water demand ratio is reduced to 98% by original 104%, and the activity index value of its each age is equal
Greatly improve, reach application conditions of the stone flour in concrete；And the grinding aid of the present invention has and proposes production, enhancing and be milled efficiency
Effect, the stone flour grinding aid that the present invention is developed is mainly for silver grey rock, and empirical tests are also applied for various types of lime stones；This
The grinding aid of invention be watery thing, each component be well mixed, can flexible modulation each component content meet stone flour producer to carry production, increase
By force, by the demand of water requirement, raising mobility etc..
4th, cane molasses have been used in the raw material used in the present invention to replace conventional molasses, can not only played identical
Effect, and provide a new approach for the processing of cane molasses, low production cost, environmental protection is worthy to be popularized.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, summary), unless specifically stated otherwise,
Replaced by other equivalent or with similar purpose alternative features.I.e., unless specifically stated otherwise, each feature is a series of
An example in equivalent or similar characteristics.
Embodiment 1：
A kind of silver grey Rock Powder grinding aid special, in parts by weight by 10 parts of triethanolamine, 5 parts of polymerized polyalcohol,
20 parts of polycarboxylic acids, 1 part of cane molasses, 1 part of alkyl propane sulfonic acid salt, 1 part of calcium lignosulfonate, 0.1 part of sulfosuccinate, ten
10 parts of 0.1 part of sodium dialkyl sulfate, 0.1 part of glauber salt and water are prepared from.
Silver grey Rock Powder grinding aid special is prepared into by above-mentioned raw material, comprised the following steps that：
A, polycarboxylic acids preparation：1 part of acrylic acid and excessively 1 part of ammonium persulfate are added to 10 parts of methylpropenyl sodium sulfonate molten
In liquid, after temperature is 70 DEG C, stirring reaction 5h, 1 part of methoxy poly (ethylene glycol) and 1 part of maleic acid pavilion, heating-up temperature are added
For 110 DEG C, after reaction 5h, repeated hydrogenation sodium oxide molybdena adjusts pH value to be 6, eventually passes dewater treatment and controls moisture content to be 50%, you can
Polycarboxylic acids is obtained, it is stand-by；
B, polymerized polyalcohol preparation：It is in parts by weight by 1 part of acrylic acid, 5 parts of diethylene glycol (DEG), 1 part of glycerine, poly-
10 parts of 1 part of glycerine, 1 part of sodium soap and water can obtain polymerized polyalcohol after being well mixed, stand-by；
C, in parts by weight, injects water into reactor, is heated to after 20 DEG C, puts into alkyl propane sulfonic acid salt, wooden
Plain sulfoacid calcium and sulfosuccinate, obtain I solution；
D and then lauryl sodium sulfate and glauber salt are put into above-mentioned I solution, obtain II solution；
E, again by triethanolamine, step B prepare stand-by polymerized polyalcohol and cane molasses be added in II solution, stir
The stand-by polycarboxylic acids of step A preparations is added after mixing, 200 mesh sieves is crossed after being stirred for uniformly, takes the filtrate after filtering as silver grey
Rock Powder grinding aid special.
Embodiment 2：
A kind of silver grey Rock Powder grinding aid special, in parts by weight by 25 parts of triethanolamine, 15 parts of polymerized polyalcohol,
40 parts of polycarboxylic acids, 10 parts of cane molasses, 10 parts of alkyl propane sulfonic acid salt, 10 parts of calcium lignosulfonate, 5 parts of sulfosuccinate,
50 parts of 5 parts of lauryl sodium sulfate, 5 parts of glauber salt and water are prepared from.
Silver grey Rock Powder grinding aid special is prepared into by above-mentioned raw material, comprised the following steps that：
A, polycarboxylic acids preparation：5 parts of acrylic acid and excessively 5 parts of ammonium persulfate are added to 20 parts of methylpropenyl sodium sulfonate molten
In liquid, after temperature is 75 DEG C, stirring reaction 8h, 10 parts of 10 parts of methoxy poly (ethylene glycol) and maleic acid pavilion, heating temperature are added
Spend for 115 DEG C, after reaction 10h, repeated hydrogenation magnesia adjusts pH value to be 8, eventually pass dewater treatment and control moisture content to be 70%, i.e.,
Polycarboxylic acids is can obtain, it is stand-by；
B, polymerized polyalcohol preparation：Be in parts by weight by 10 parts of acrylic acid, 10 parts of diethylene glycol (DEG), 5 parts of glycerine,
25 parts of 5 parts of polyglycerol, 5 parts of sodium soap and water can obtain polymerized polyalcohol after being well mixed, stand-by；
C, in parts by weight, injects water into reactor, is heated to after 40 DEG C, puts into alkyl propane sulfonic acid salt, wooden
Plain sulfoacid calcium and sulfosuccinate, obtain I solution；
D and then lauryl sodium sulfate and glauber salt are put into above-mentioned I solution, obtain II solution；
E, again by triethanolamine, step B prepare stand-by polymerized polyalcohol and cane molasses be added in II solution, stir
The stand-by polycarboxylic acids of step A preparations is added after mixing, 500 mesh sieves is crossed after being stirred for uniformly, takes the filtrate after filtering as silver grey
Rock Powder grinding aid special.
Embodiment 3：
A kind of silver grey Rock Powder grinding aid special, in parts by weight by 15 parts of triethanolamine, 8 parts of polymerized polyalcohol,
25 parts of polycarboxylic acids, 2 parts of cane molasses, 3 parts of alkyl propane sulfonic acid salt, 3 parts of calcium lignosulfonate, 0.5 part of sulfosuccinate, ten
20 parts of 0.5 part of sodium dialkyl sulfate, 0.5 part of glauber salt and water are prepared from.
Silver grey Rock Powder grinding aid special is prepared into by above-mentioned raw material, comprised the following steps that：
A, polycarboxylic acids preparation：2 parts of acrylic acid and excessively 2 parts of ammonium persulfate are added to 12 parts of methylpropenyl sodium sulfonate molten
In liquid, after temperature is 65 DEG C, stirring reaction 6h, 4 parts of methoxy poly (ethylene glycol) and 3 parts of maleic acid pavilion, heating-up temperature are added
For 1055 DEG C, after reaction 6h, repeated hydrogenation aluminum oxide adjusts pH value to be 7, eventually passes dewater treatment and controls moisture content to be 60%, you can
Polycarboxylic acids is obtained, it is stand-by；
B, polymerized polyalcohol preparation：It is in parts by weight by 3 parts of acrylic acid, 6 parts of diethylene glycol (DEG), 3 parts of glycerine, poly-
15 parts of 3 parts of glycerine, 3 parts of sodium soap and water can obtain polymerized polyalcohol after being well mixed, stand-by；
C, in parts by weight, injects water into reactor, is heated to after 25 DEG C, puts into alkyl propane sulfonic acid salt, wooden
Plain sulfoacid calcium and sulfosuccinate, obtain I solution；
D and then lauryl sodium sulfate and glauber salt are put into above-mentioned I solution, obtain II solution；
E, again by triethanolamine, step B prepare stand-by polymerized polyalcohol and cane molasses be added in II solution, stir
The stand-by polycarboxylic acids of step A preparations is added after mixing, 250 mesh sieves is crossed after being stirred for uniformly, takes the filtrate after filtering as silver grey
Rock Powder grinding aid special.
Embodiment 4：
A kind of silver grey Rock Powder grinding aid special, in parts by weight by 20 parts of triethanolamine, 12 parts of polymerized polyalcohol,
35 parts of polycarboxylic acids, 8 parts of cane molasses, 8 parts of alkyl propane sulfonic acid salt, 8 parts of calcium lignosulfonate, 3 parts of sulfosuccinate, 12
35 parts of 3 parts of sodium alkyl sulfate, 3 parts of glauber salt and water are prepared from.
Silver grey Rock Powder grinding aid special is prepared into by above-mentioned raw material, comprised the following steps that：
A, polycarboxylic acids preparation：3 parts of acrylic acid and excessively 3 parts of ammonium persulfate are added to 15 parts of methylpropenyl sodium sulfonate molten
In liquid, after temperature is 72 DEG C, stirring reaction 7h, 6 parts of methoxy poly (ethylene glycol) and 5 parts of maleic acid pavilion, heating-up temperature are added
For 112 DEG C, after reaction 8h, repeated hydrogenation calcium oxide adjusts pH value to be 6, eventually passes dewater treatment and controls moisture content to be 65%, you can
Polycarboxylic acids is obtained, it is stand-by；
B, polymerized polyalcohol preparation：It is in parts by weight by 6 parts of acrylic acid, 8 parts of diethylene glycol (DEG), 4 parts of glycerine, poly-
18 parts of 2 parts of glycerine, 3 parts of sodium soap and water can obtain polymerized polyalcohol after being well mixed, stand-by；
C, in parts by weight, injects water into reactor, is heated to after 30 DEG C, puts into alkyl propane sulfonic acid salt, wooden
Plain sulfoacid calcium and sulfosuccinate, obtain I solution；
D and then lauryl sodium sulfate and glauber salt are put into above-mentioned I solution, obtain II solution；
E, again by triethanolamine, step B prepare stand-by polymerized polyalcohol and cane molasses be added in II solution, stir
The stand-by polycarboxylic acids of step A preparations is added after mixing, 300 mesh sieves is crossed after being stirred for uniformly, takes the filtrate after filtering as silver grey
Rock Powder grinding aid special.
Embodiment 5：
A kind of silver grey Rock Powder grinding aid special, in parts by weight by 18 parts of triethanolamine, 10 parts of polymerized polyalcohol,
30 parts of polycarboxylic acids, 4 parts of cane molasses, 5 parts of alkyl propane sulfonic acid salt, 5 parts of calcium lignosulfonate, 1 part of sulfosuccinate, 12
30 parts of 2 parts of sodium alkyl sulfate, 3 parts of glauber salt and water are prepared from.
Silver grey Rock Powder grinding aid special is prepared into by above-mentioned raw material, comprised the following steps that：
A, polycarboxylic acids preparation：4 parts of acrylic acid and excessively 4 parts of ammonium persulfate are added to 19 parts of methylpropenyl sodium sulfonate molten
In liquid, after temperature is 74 DEG C, stirring reaction 6.5h, 9 parts of 7 parts of methoxy poly (ethylene glycol) and maleic acid pavilion, heating temperature are added
Spend for 114 DEG C, after reaction 9h, repeated hydrogenation sodium oxide molybdena and magnesium hydroxide adjust pH value to be 7, eventually pass dewater treatment control moisture content
It is stand-by for 55%, you can obtain polycarboxylic acids；
B, polymerized polyalcohol preparation：It is in parts by weight by 9 parts of acrylic acid, 7 parts of diethylene glycol (DEG), 2 parts of glycerine, poly-
22 parts of 4 parts of glycerine, 4 parts of sodium soap and water can obtain polymerized polyalcohol after being well mixed, stand-by；
C, in parts by weight, injects water into reactor, is heated to after 38 DEG C, puts into alkyl propane sulfonic acid salt, wooden
Plain sulfoacid calcium and sulfosuccinate, obtain I solution；
D and then lauryl sodium sulfate and glauber salt are put into above-mentioned I solution, obtain II solution；
E, again by triethanolamine, step B prepare stand-by polymerized polyalcohol and cane molasses be added in II solution, stir
The stand-by polycarboxylic acids of step A preparations is added after mixing, 400 mesh sieves is crossed after being stirred for uniformly, takes the filtrate after filtering as silver grey
Rock Powder grinding aid special.
The performance evaluation of grinding aid prepared by the present invention
1 raw material and test method
1.1 raw material
Control group is single to use triethanolamine (A) as grinding aid, and control group is single to use glycerine (B) as grinding aid
Agent, grinding aid prepared by embodiment 1-5, silver grey rock, Guilin Xingan conch PO42.5, normal sand.The chemical composition of cement is shown in Table
1。
The chemical composition (%) of the cement of table 1
| CaO | SO2 | Al2O3 | MgO | TO2 | SO3 | K2O | Fe2O3 | LOSS |
| 61.8 | 21.4 | 5.8 | 1.5 | 0.4 | 1.24 | 0.7 | 2.5 | 1.60 |
1.2 test method
1.2.1 the fineness and specific area measuring of stone flour
Triethanolamine (A), glycerine (B) and embodiment 1- are singly mixed with laboratory standard ball mill (Φ 500mm × 500mm)
5 grinding aids prepared are respectively what 0.02%, 0.04%, 0.06%, 0.08% (mass percent) was dried with 3kg in volume
Material after grinding is simultaneously crossed progress powder characteristics and performance test after 0.9mm square hole screens by silver grey rock dust mill.
1.2.2 consumptive use of water normal consistence and setting time determine
50% Guilin Xingan conch PO42.5 cement production systD plural gel powder body materials are added with 50% silver grey rock, with reference to GB/
T136-2001 carries out net slurry consumptive use of water normal consistence and setting time determines.
1.2.3 cement mortar strength is determined
Add 50% portland cement that plural gel powder body material is made with 50% silver grey rock, with reference to GB/T17671-1999,
Determine 7d, 28d cement mortar strength.
2 experimental analyses
Influence of 2.1 grinding aids to silver grey rock fineness
The grinding aid of the control group of table 2 and the stone flour fineness of volume grinding and specific area measuring result
The grinding aid of each embodiment of table 3 and the stone flour fineness measurement result (40 μm of sieves) of volume grinding
Table 4 is the stone flour fineness measurement result (80 μm of sieves) of each embodiment grinding aid and volume grinding
The specific area measuring result of each embodiment grinding aid of table 5 and volume grinding
From table 2-5, each grinding aid grinding-aid effect of singly mixing mixes grinding aid relative to the blank sample for not mixing grinding aid grinding
Grinding effect is more preferably after agent；Three ethanol for being superior to singly mix mixed with its fineness of the stone flour of grinding aid grinding and specific surface area value added
Amine and ethylene glycol, and the grinding aid volume for preparing of the present invention, when being 0.14%, silver grey rock fineness and specific surface area ascendant trend are equal
Tend to relax, the rising space very little；It can thus be seen that the grinding-aid effect slightly above single group of grinding aid prepared by the present invention
Divide the grinding-aid effect and the optimum mix amount scope 0.14%-0.18% (mass percent) of grinding aid.
2.2 grinding aids to silver grey rock-cement system consumptive use of water normal consistence, setting time, cement mortar strength influence
Net slurry consumptive use of water normal consistence and setting time measurement result are shown in Table 7-10
The control group of table 6 is to net slurry consumptive use of water normal consistence and the measurement result of setting time
Measurement result of each embodiment of table 7 to net slurry consumptive use of water normal consistence
Measurement result of each embodiment of table 8 to the net slurry presetting period
Measurement result of each embodiment of table 9 to net slurry final setting time
Can be seen that by table 6-9, although plus the silver grey rock of grinding aid sample silver grey rock specific surface area relative to not plus grinding aid
Wanting for agent is big, but singly mix the stone flour of grinding aid grinding prepared by grinding aid A, B, the present invention, and its consumptive use of water normal consistence is but all in
Existing downward trend, this explanation grinding aid has certain diminishing function, plays a part of improving fluidity；Triethanolamine and second two
Grinding aid (embodiment 1-5) prepared by alcohol, the present invention has certain to the presetting period of stone flour-cement system and final setting time
Influence, and respective effect tendency is also different；Grinding aid prepared by the present invention is compared with triethanolamine and ethylene glycol, increase
The presetting period of stone flour-cement system and final setting time, and meet requirement of the country to cement setting time.2.3 1 grinding aids
Agent is to silver grey rock-cement system cement mortar strength test result table (7d, 28d)
Cement mortar strength assay of the control group of table 10 to stone flour-cement system
Rupture strength assay of each embodiment of table 11 to stone flour-cement system
Compression strength assay of each embodiment of table 12 to stone flour-cement system
Can be seen that by table 10-12, relative to blank sample, singly mix respectively grinding aid grinding stone flour-cement system 7d,
The anti-foldings of 28d and compression strength have a certain degree of raising；A grinding aids are than blank 7d, and the maximum value added of the anti-foldings of 28d is
1.6MPa, 4.5MPa, than blank sample 7d, 28d resistance to compressions maximum value added is 1.2MPa, 2.9MPa；B grinding aids than blank sample 7d,
The maximum value added of the anti-foldings of 28d is 1.7MPa, 4.7MPa, than blank sample 7d, and 28d resistance to compressions maximum value added is 2.7MPa, 2.0MPa；
It was found from embodiment 1-5 data, grinding aid prepared by the present invention is than blank sample 7d, and the maximum value added of the anti-foldings of 28d is 2.9MPa,
3.7MPa, than blank sample 7d, 28d resistance to compressions maximum value added is 2.0MPa, 4.1MPa；From test data analyzer, with respect to three
Monoethanolamine and ethylene glycol, when the grinding aid volume for preparing of the present invention reaches that 0.18% relative blank sample improves 2-5MPa, this
When 28d compression strength also exceed standard cement sample cement mortar strength, and stone flour also have higher early strength.
The invention is not limited in foregoing embodiment.The present invention, which is expanded to, any in this manual to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (8)
1. a kind of silver grey Rock Powder grinding aid special, it is characterised in that in parts by weight by 10-25 parts of triethanolamine, poly-
Close 5-15 parts of polyalcohol, 20-40 parts of polycarboxylic acids, 1-10 parts of cane molasses, 1-10 parts of alkyl propane sulfonic acid salt, calcium lignosulfonate
It is prepared by 10-50 parts of 1-10 parts, 0.1-5 parts of sulfosuccinate, 0.1-5 parts of lauryl sodium sulfate, 0.1-5 parts of glauber salt and water
Form；
The polycarboxylic acids is prepared by following methods：Acrylic acid and ammonium persulfate are added in methylpropenyl sodium sulfonate solution,
Stirring reaction for a period of time after, add methoxy poly (ethylene glycol) and maleic acid pavilion, heating response for a period of time after, then add alkali to adjust
PH value is 6-8, eventually passes dewater treatment and controls moisture content to be 50-70%, you can obtains polycarboxylic acids；Each raw material is according to weight
Number is calculated as：1-5 parts of acrylic acid, 1-5 parts of ammonium persulfate, 10-20 parts of methylpropenyl sodium sulfonate, methoxy poly (ethylene glycol) 1-10
Part, 1-10 parts of maleic anhydride.
2. silver grey Rock Powder grinding aid special according to claim 1, it is characterised in that in parts by weight by three ethanol
15-20 parts of amine, 8-12 parts of polymerized polyalcohol, 25-35 parts of polycarboxylic acids, 2-8 parts of cane molasses, 3-8 parts of alkyl propane sulfonic acid salt, wood
3-8 parts of quality sulfoacid calcium, 0.5-3 parts of sulfosuccinate, 0.5-3 parts of lauryl sodium sulfate, 0.5-3 parts of glauber salt and water
20-35 parts are prepared from.
3. silver grey Rock Powder grinding aid special according to claim 1, it is characterised in that in parts by weight by three ethanol
18 parts of amine, 10 parts of polymerized polyalcohol, 30 parts of polycarboxylic acids, 4 parts of cane molasses, 5 parts of alkyl propane sulfonic acid salt, calcium lignosulfonate 5
Part, 1 part of sulfosuccinate, 2 parts of lauryl sodium sulfate, 3 parts of glauber salt and 30 parts of water are prepared from.
4. silver grey Rock Powder grinding aid special according to claim 1, it is characterised in that the temperature of the stirring reaction is 70
± 5 DEG C, the time is 5-8h；The temperature of the heating response is 110 ± 5 DEG C, and the time is 5-10h.
5. silver grey Rock Powder grinding aid special according to claim 1, it is characterised in that the alkali is sodium hydroxide, hydrogen-oxygen
Change at least one of magnesium, aluminium hydroxide and calcium hydroxide.
6. silver grey Rock Powder grinding aid special according to claim 1, it is characterised in that the polymerized polyalcohol is according to weight
Measure number meter by 1-10 parts of acrylic acid, 5-10 parts of diethylene glycol (DEG), 1-5 parts of glycerine, 1-5 parts of polyglycerol, 1-5 parts of sodium soap and
The mixture that 10-25 parts of water is made.
7. the preparation method of silver grey Rock Powder grinding aid special according to any one in claim 1-3, it is characterised in that
Comprise the following steps that：
A, in parts by weight, is injected water into reactor, after heating, puts into alkyl propane sulfonic acid salt, calcium lignosulfonate and
Sulfosuccinate, obtains I solution；
B and then lauryl sodium sulfate and glauber salt are put into above-mentioned I solution, obtain II solution；
C, triethanolamine, polymerized polyalcohol and cane molasses are added in II solution, polycarboxylic acids are added after stirring, then stir
Uniform rear sieving is mixed, it is silver grey Rock Powder grinding aid special to take the filtrate after filtering.
8. the preparation method of silver grey Rock Powder grinding aid special according to claim 7, it is characterised in that in the step A
The temperature of heating is 20-40 DEG C；The step C sievings were 200-500 mesh sieves.
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| CN106082761A (en) * | 2016-06-24 | 2016-11-09 | 桂林华越环保科技有限公司 | A kind of retardation setting type cement grinding aid |
| CN107021662B (en) * | 2017-05-14 | 2019-04-16 | 凤阳中都水泥有限公司 | A kind of preparation method of cement grinding aid |
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| CN103906502B (en) * | 2011-05-10 | 2017-04-05 | 阿彻丹尼尔斯米德兰德公司 | Dispersant with bio-based compounds |
| CN102718429B (en) * | 2012-06-25 | 2013-11-20 | 史才军 | Enhanced cement grinding aid and preparation method thereof |
| CN103641370B (en) * | 2013-10-12 | 2015-06-10 | 史才军 | Composite cement enhanced grinding aid containing amide polyamine polycarboxylic acids and preparation method therefor |
| CN105084802A (en) * | 2015-07-31 | 2015-11-25 | 武汉理工大学 | High-limestone-flour-adulterate-amount composite enhanced grinding aid for cement and preparation method of high-limestone flour-adulterate amount composite enhanced grinding aid |
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