CN110330258A - A kind of vertical mill grinding slag activity excitation type grinding aid - Google Patents
A kind of vertical mill grinding slag activity excitation type grinding aid Download PDFInfo
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- CN110330258A CN110330258A CN201910589860.6A CN201910589860A CN110330258A CN 110330258 A CN110330258 A CN 110330258A CN 201910589860 A CN201910589860 A CN 201910589860A CN 110330258 A CN110330258 A CN 110330258A
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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
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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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Abstract
The present invention discloses a kind of vertical mill grinding slag activity excitation type grinding aid, belongs to slag additive technical field.Grinding aid of the present invention is made of A material and B material, wherein A material is made of the raw material of following parts by weight: 15-30 parts of polypropylene-base amine salt, 10-15 parts of diisopropyl ethanolamine, 5-10 parts of triethylene glycol, 3-10 parts of 2-Butoxyethyl acetate, 50-75 parts of water；B material is made of the raw material of following parts by weight: 5-8 parts of redispersable latex powder, 10-20 parts of superfine alumina silicate, 10-20 parts of activator, 40-70 parts of agstone.The present invention uses polynary no chlorine component, it combines to obtain vertical mill grinding slag activity excitation type grinding aid by optimization design, one of the various substances synergistic effect, effective solution problems of the conventional adjuvants for vertical mill grinding slag grinding-aid effect difference, while effectively excitation miberal powder is active.
Description
Technical field
The invention belongs to slag additive technical fields, and in particular to a kind of vertical mill grinding slag is helped with activity excitation type
Grinding agent.
Background technique
Slag is the Main By product of steel industry, is all solid waste recycling in cement-based material all the time
The main object of research on utilization.Slag although activity with higher, but potential problem is, the more difficult mill of slag, however
In order to obtain the miberal powder of larger fineness, grinding longer time is generally required, and this necessarily will increase energy consumption.Vertical mill grinding slag
Technique is given birth to due to the features such as process is simple, mill efficiency is high, occupied area is small, construction investment is low by more and more slag powders
Enterprise is produced to select.Research and application comparative maturity about ball mill grinding miberal powder grinding aid, and Vertical Mill and ball mill
Grinding principle it is different, relevant research and application report are less.In addition, the early activity of slag is lower, how fully will
It is also one of the key subjects faced in current industry that the potential activity of slag, which ejects,.
Patent CN109650765A discloses a kind of environment-friendly type grinding aid preparation method of Vertical Mill production miberal powder, wherein using
A large amount of sodium hydroxide, brings a large amount of alkali into, uses concrete after the miberal powder for adding the grinding aid that the wind of alkali-aggregate reaction occurs
Danger increases, and is unfavorable for concrete durability.
Summary of the invention
The present invention is in view of the above-mentioned problems, provide a kind of vertical mill grinding slag activity excitation type grinding aid, which can
It effectively improves the efficiency of vertical mill grinding slag, reduce energy consumption, and the activity of slag can be effectively improved, especially early hydration reacts
Activity.
The technical scheme adopted by the invention is that:
A kind of vertical mill grinding slag activity excitation type grinding aid is made of A material and B material, and A expects by following parts by weight
Raw material composition: 15-30 parts of polypropylene-base amine salt, 10-15 parts of diisopropyl ethanolamine, 5-10 parts of triethylene glycol, butyl glycol ether vinegar
3-10 parts of acid esters, 50-75 parts of water；B material is made of the raw material of following parts by weight: 5-8 parts of redispersable latex powder, ultra-fine silicic acid
10-20 parts of aluminium, 10-20 parts of activator, 40-70 parts of agstone.
The polypropylene-base amine salt is prepared by following methods: by MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and
Methylpropene sodium sulfonate is placed in four-hole boiling flask by weight 3-5:1 mixing, and distilled water is added to be diluted to mass percent concentration
For 20-35%, lead to N220-30min is warming up to 65-75 DEG C, starts that initiator solution is added dropwise, and continues logical N after being added dropwise220-
After 30min, 65-75 DEG C of reaction 30-60min of constant temperature, room temperature is down to get polypropylene-base amine salt.
Preferably, the initiator solution mass percent concentration is 2-5%.
Preferably, the initiator is azo diisobutyl amidine hydrochloride, azodiisobutyronitrile, lauroyl peroxide, mistake
One of ammonium sulfate.
Preferably, the initiator amount is that MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and methylpropene sodium sulfonate are total
The 2-5% of weight.
Preferably, the 2-Butoxyethyl acetate is monoethylene glycol monobutyl ether acetate and/or butyl acetic acid
Ester.
It is furthermore preferred that the 2-Butoxyethyl acetate is monoethylene glycol monobutyl ether acetate and butyl acetate
It is obtained by mixing according to weight ratio 3:1.
The redispersable latex powder is vinylacetate homopolymerization rubber powder, ethylene and vinyl chloride and moon silicic acid vinyl acetate ternary
It is copolymerized one of rubber powder, acrylate and styrene copolymerized rubber powder.
It is furthermore preferred that the redispersable latex powder is acrylate and styrene copolymerized rubber powder.
Preferably, the activator is made of aluminum sulfate and calcium formate by weight 1-5:1.
Vertical mill grinding slag of the present invention is that A material is added in hydraulic pipeline with the application method of activity excitation type grinding aid,
Enter mill together with water, B material is added on the slag of feed belt and slag enters mill together.
A material additive amount of the present invention is the 0.02-0.05% of slag total weight, and B expects that additive amount is the 0.03- of slag total weight
0.08%.
The utility model has the advantages that
(1) the formula of the invention is reasonable, and proportion science, each raw material all plays an important role, wherein polypropylene-base amine
Salt has good bed of material stabilization；Diisopropyl ethanolamine and triethylene glycol can be adsorbed on superfine material particle surface, improve
Degree of scatter of the miberal powder in thermal current after grinding improves grinding efficiency；2-Butoxyethyl acetate is adsorbable in slag
It on grain surface, and can penetrate into its intrinsic crack, reduce its closing force, increase primary fracture and form new crack under external force
Ability, and expand these cracks, it prevents crack compound, changes slag particle surface hardness, so that particle is easier broken, raising
Mill efficiency；When redispersable latex powder and slag and water contact, the mobility of slag can be reduced, stablizes the bed of material, improves Vertical Mill
Mill efficiency, then dry and select timesharing that will not influence grinding efficiency；The ultra-fine of superfine alumina silicate, network can make slag spray water
System slightly thickens, stablizes the bed of material, there is dispersibility choosing well when dispersing in drying again；It aluminum sulfate and slag and is sprayed on slag
Water contact when, be easily condensed into bulk floccule, facilitate the stabilization of the slag bed of material, remaining in miberal powder, when miberal powder is applied to
Aquation is additionally aided when cement, concrete, improves cement-based material intensity, and aluminum sulfate and calcium formate synergistic effect can effectively improve
The 7d activity of miberal powder；Agstone grindability is good, can form superfine powder when with slag intergrinding, have physics filling effect with
Miberal powder forms rational gradation composition, and can be used as aquation nucleating point, improves miberal powder activity.
(2) present invention uses polynary no chlorine component, combines to obtain vertical mill grinding slag activity excitation by optimization design
Type grinding aid, one of the various substances synergistic effects, effective solution conventional adjuvants are for vertical mill grinding slag grinding-aid effect
The problem of difference, while effectively excitation miberal powder activity.
Specific embodiment
Technical scheme is described further combined with specific embodiments below, but not limited to this.
Embodiment 1
A kind of vertical mill grinding slag activity excitation type grinding aid is made of A material and B material, and A expects by following parts by weight
Raw material composition: 15 parts of polypropylene-base amine salt, 15 parts of diisopropyl ethanolamine, 5 parts of triethylene glycol, 10 parts of 2-Butoxyethyl acetate,
50 parts of water；B material is made of the raw material of following parts by weight: 8 parts of redispersable latex powder, 10 parts of superfine alumina silicate, activator 20
Part, 40 parts of agstone.
The polypropylene-base amine salt is prepared by following methods: by MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and
Methylpropene sodium sulfonate is placed in four-hole boiling flask by weight 3:1 mixing, is added distilled water to be diluted to mass percent concentration and is
20%, lead to N230min is warming up to 75 DEG C, starts that initiator solution is added dropwise, and continues logical N after being added dropwise220min, 75 DEG C of constant temperature
After reacting 60min, room temperature is down to get polypropylene-base amine salt.
The initiator solution mass percent concentration is 2%.
The initiator is azo diisobutyl amidine hydrochloride.
The initiator amount is MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and methylpropene sodium sulfonate total weight
2%.
The 2-Butoxyethyl acetate is monoethylene glycol monobutyl ether acetate.
The redispersable latex powder is vinylacetate homopolymerization rubber powder.
The activator is made of aluminum sulfate and calcium formate by weight 1:1.
The present embodiment vertical mill grinding slag is that A material is added to hydraulic pipeline with the application method of activity excitation type grinding aid
In and water together enter mill, B material be added on the slag of feed belt and slag together enter mill.
Embodiment 2
A kind of vertical mill grinding slag activity excitation type grinding aid is made of A material and B material, and A expects by following parts by weight
Raw material composition: 30 parts of polypropylene-base amine salt, 10 parts of diisopropyl ethanolamine, 10 parts of triethylene glycol, 3 parts of 2-Butoxyethyl acetate,
75 parts of water；B material is made of the raw material of following parts by weight: 5 parts of redispersable latex powder, 20 parts of superfine alumina silicate, activator 10
Part, 70 parts of agstone.
The polypropylene-base amine salt is prepared by following methods: by MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and
Methylpropene sodium sulfonate is placed in four-hole boiling flask by weight 5:1 mixing, is added distilled water to be diluted to mass percent concentration and is
35%, lead to N220min is warming up to 65 DEG C, starts that initiator solution is added dropwise, and continues logical N after being added dropwise230min, 65 DEG C of constant temperature
After reacting 30min, room temperature is down to get polypropylene-base amine salt.
The initiator solution mass percent concentration is 5%.
The initiator is azodiisobutyronitrile.
The initiator amount is MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and methylpropene sodium sulfonate total weight
5%.
The 2-Butoxyethyl acetate is butyl acetate.
The redispersable latex powder is ethylene and vinyl chloride and moon silicic acid vinyl acetate ternary polymerization rubber powder.
The activator is made of aluminum sulfate and calcium formate by weight 5:1.
The present embodiment vertical mill grinding slag is that A material is added to hydraulic pipeline with the application method of activity excitation type grinding aid
In and water together enter mill, B material be added on the slag of feed belt and slag together enter mill.
Embodiment 3
A kind of vertical mill grinding slag activity excitation type grinding aid is made of A material and B material, and A expects by following parts by weight
Raw material composition: 20 parts of polypropylene-base amine salt, 12 parts of diisopropyl ethanolamine, 8 parts of triethylene glycol, 7 parts of 2-Butoxyethyl acetate, water
60 parts；B material be made of the raw material of following parts by weight: 7 parts of redispersable latex powder, 15 parts of superfine alumina silicate, 16 parts of activator,
55 parts of agstone.
The polypropylene-base amine salt is prepared by following methods: by MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and
Methylpropene sodium sulfonate is placed in four-hole boiling flask by weight 4:1 mixing, is added distilled water to be diluted to mass percent concentration and is
25%, lead to N225min is warming up to 70 DEG C, starts that initiator solution is added dropwise, and continues logical N after being added dropwise225min, 70 DEG C of constant temperature
After reacting 50min, room temperature is down to get polypropylene-base amine salt.
The initiator solution mass percent concentration is 4%.
The initiator is lauroyl peroxide.
The initiator amount is MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and methylpropene sodium sulfonate total weight
3%.
The 2-Butoxyethyl acetate is monoethylene glycol monobutyl ether acetate and butyl acetate according to weight
It is obtained by mixing than 3:1.
The redispersable latex powder is acrylate and styrene copolymerized rubber powder.
The activator is made of aluminum sulfate and calcium formate by weight 3:1.
The present embodiment vertical mill grinding slag is that A material is added to hydraulic pipeline with the application method of activity excitation type grinding aid
In and water together enter mill, B material be added on the slag of feed belt and slag together enter mill.
Embodiment 4
A kind of vertical mill grinding slag activity excitation type grinding aid is made of A material and B material, and A expects by following parts by weight
Raw material composition: 22 parts of polypropylene-base amine salt, 13 parts of diisopropyl ethanolamine, 8 parts of triethylene glycol, 6 parts of 2-Butoxyethyl acetate, water
60 parts；B material be made of the raw material of following parts by weight: 7 parts of redispersable latex powder, 18 parts of superfine alumina silicate, 15 parts of activator,
60 parts of agstone.
The polypropylene-base amine salt is prepared by following methods: by MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and
Methylpropene sodium sulfonate is placed in four-hole boiling flask by weight 3:1 mixing, is added distilled water to be diluted to mass percent concentration and is
30%, lead to N228min is warming up to 70 DEG C, starts that initiator solution is added dropwise, and continues logical N after being added dropwise222min, 70 DEG C of constant temperature
After reacting 40min, room temperature is down to get polypropylene-base amine salt.
The initiator solution mass percent concentration is 3%.
The initiator is ammonium persulfate.
The initiator amount is MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and methylpropene sodium sulfonate total weight
4%.
The 2-Butoxyethyl acetate is monoethylene glycol monobutyl ether acetate and butyl acetate according to weight
It is obtained by mixing than 3:1.
The redispersable latex powder is acrylate and styrene copolymerized rubber powder.
The activator is made of aluminum sulfate and calcium formate by weight 4:1.
The present embodiment vertical mill grinding slag is that A material is added to hydraulic pipeline with the application method of activity excitation type grinding aid
In and water together enter mill, B material be added on the slag of feed belt and slag together enter mill.
Embodiment 5
A kind of vertical mill grinding slag activity excitation type grinding aid is made of A material and B material, and A expects by following parts by weight
Raw material composition: 26 parts of polypropylene-base amine salt, 12 parts of diisopropyl ethanolamine, 8 parts of triethylene glycol, 6 parts of 2-Butoxyethyl acetate, water
65 parts；B material be made of the raw material of following parts by weight: 6 parts of redispersable latex powder, 14 parts of superfine alumina silicate, 18 parts of activator,
55 parts of agstone.
The polypropylene-base amine salt is prepared by following methods: by MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and
Methylpropene sodium sulfonate is placed in four-hole boiling flask by weight 4:1 mixing, is added distilled water to be diluted to mass percent concentration and is
30%, lead to N225min is warming up to 70 DEG C, starts that initiator solution is added dropwise, and continues logical N after being added dropwise225min, 70 DEG C of constant temperature
After reacting 45min, room temperature is down to get polypropylene-base amine salt.
The initiator solution mass percent concentration is 3%.
The initiator is azo diisobutyl amidine hydrochloride.
The initiator amount is MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and methylpropene sodium sulfonate total weight
4%.
The 2-Butoxyethyl acetate is monoethylene glycol monobutyl ether acetate and butyl acetate.
The redispersable latex powder is acrylate and styrene copolymerized rubber powder.
The activator is made of aluminum sulfate and calcium formate by weight 3:1.
Vertical mill grinding slag of the present invention is that A material is added in hydraulic pipeline with the application method of activity excitation type grinding aid,
Enter mill together with water, B material is added on the slag of feed belt and slag enters mill together.
Comparative example 1
A kind of vertical mill grinding slag activity excitation type grinding aid is made of A material and B material, and A expects by following parts by weight
Raw material composition: 16 parts of MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride, 4 parts of methylpropene sodium sulfonate, diisopropyl ethanolamine 12
Part, 8 parts of triethylene glycol, 7 parts of 2-Butoxyethyl acetate, 60 parts of water；B material is made of the raw material of following parts by weight: redispersible
7 parts of latex powder, 15 parts of superfine alumina silicate, 16 parts of activator, 55 parts of agstone.
The 2-Butoxyethyl acetate is monoethylene glycol monobutyl ether acetate and butyl acetate according to weight
It is obtained by mixing than 3:1.
The redispersable latex powder is acrylate and styrene copolymerized rubber powder.
The activator is made of aluminum sulfate and calcium formate by weight 3:1.
This comparative example vertical mill grinding slag is that A material is added to hydraulic pipeline with the application method of activity excitation type grinding aid
In and water together enter mill, B material be added on the slag of feed belt and slag together enter mill.
The difference of this comparative example and embodiment 3 is, MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride, methacrylic sulfonic acid
Sodium does not carry out reaction and prepares polypropylene-base amine salt, but directly as raw material, remaining is the same as embodiment 3.
Comparative example 2
A kind of vertical mill grinding slag activity excitation type grinding aid is made of A material and B material, and A expects by following parts by weight
Raw material composition: 22 parts of polypropylene-base amine salt, 13 parts of diisopropyl ethanolamine, 6 parts of 2-Butoxyethyl acetate, 60 parts of water；B material by
The raw material of following parts by weight forms: 7 parts of redispersable latex powder, 18 parts of superfine alumina silicate, 15 parts of activator, agstone 60
Part.
The polypropylene-base amine salt is prepared by following methods: by MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and
Methylpropene sodium sulfonate is placed in four-hole boiling flask by weight 3:1 mixing, is added distilled water to be diluted to mass percent concentration and is
30%, lead to N228min is warming up to 70 DEG C, starts that initiator solution is added dropwise, and continues logical N after being added dropwise222min, 70 DEG C of constant temperature
After reacting 40min, room temperature is down to get polypropylene-base amine salt.
The initiator solution mass percent concentration is 3%.
The initiator is ammonium persulfate.
The initiator amount is MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and methylpropene sodium sulfonate total weight
4%.
The 2-Butoxyethyl acetate is monoethylene glycol monobutyl ether acetate and butyl acetate according to weight
It is obtained by mixing than 3:1.
The redispersable latex powder is acrylate and styrene copolymerized rubber powder.
The activator is made of aluminum sulfate and calcium formate by weight 4:1.
This comparative example vertical mill grinding slag is that A material is added to hydraulic pipeline with the application method of activity excitation type grinding aid
In and water together enter mill, B material be added on the slag of feed belt and slag together enter mill.
The difference of this comparative example and embodiment 4 is the addition of no triethylene glycol, without remaining with embodiment 4.
Comparative example 3
A kind of vertical mill grinding slag activity excitation type grinding aid is made of A material and B material, and A expects by following parts by weight
Raw material composition: 20 parts of polypropylene-base amine salt, 12 parts of diisopropyl ethanolamine, 8 parts of triethylene glycol, 7 parts of 2-Butoxyethyl acetate, water
60 parts；B material is made of the raw material of following parts by weight: 15 parts of superfine alumina silicate, 16 parts of activator, 55 parts of agstone.
The polypropylene-base amine salt is prepared by following methods: by MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and
Methylpropene sodium sulfonate is placed in four-hole boiling flask by weight 4:1 mixing, is added distilled water to be diluted to mass percent concentration and is
25%, lead to N225min is warming up to 70 DEG C, starts that initiator solution is added dropwise, and continues logical N after being added dropwise225min, 70 DEG C of constant temperature
After reacting 50min, room temperature is down to get polypropylene-base amine salt.
The initiator solution mass percent concentration is 4%.
The initiator is lauroyl peroxide.
The initiator amount is MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and methylpropene sodium sulfonate total weight
3%.
The 2-Butoxyethyl acetate is monoethylene glycol monobutyl ether acetate and butyl acetate according to weight
It is obtained by mixing than 3:1.
The activator is made of aluminum sulfate and calcium formate by weight 3:1.
This comparative example vertical mill grinding slag is that A material is added to hydraulic pipeline with the application method of activity excitation type grinding aid
In and water together enter mill, B material be added on the slag of feed belt and slag together enter mill.
The difference of this comparative example and embodiment 3 is that no redispersable latex powder, remaining is the same as embodiment 3.
Comparative example 4
A kind of vertical mill grinding slag activity excitation type grinding aid is made of A material and B material, and A expects by following parts by weight
Raw material composition: 22 parts of polypropylene-base amine salt, 13 parts of diisopropyl ethanolamine, 8 parts of triethylene glycol, 60 parts of water；B expects by following parts by weight
Several raw material composition: 7 parts of redispersable latex powder, 18 parts of superfine alumina silicate, 15 parts of activator, 60 parts of agstone.
The polypropylene-base amine salt is prepared by following methods: by MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and
Methylpropene sodium sulfonate is placed in four-hole boiling flask by weight 3:1 mixing, is added distilled water to be diluted to mass percent concentration and is
30%, lead to N228min is warming up to 70 DEG C, starts that initiator solution is added dropwise, and continues logical N after being added dropwise222min, 70 DEG C of constant temperature
After reacting 40min, room temperature is down to get polypropylene-base amine salt.
The initiator solution mass percent concentration is 3%.
The initiator is ammonium persulfate.
The initiator amount is MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and methylpropene sodium sulfonate total weight
4%.
The redispersable latex powder is acrylate and styrene copolymerized rubber powder.
The activator is made of aluminum sulfate and calcium formate by weight 4:1.
This comparative example vertical mill grinding slag is that A material is added to hydraulic pipeline with the application method of activity excitation type grinding aid
In and water together enter mill, B material be added on the slag of feed belt and slag together enter mill.
The difference of this comparative example and embodiment 4 is the addition of no redispersable latex powder, without remaining with embodiment 4.
Comparative example 5
A kind of vertical mill grinding slag activity excitation type grinding aid is made of A material and B material, and A expects by following parts by weight
Raw material composition: 22 parts of polypropylene-base amine salt, 13 parts of diisopropyl ethanolamine, 8 parts of triethylene glycol, 6 parts of 2-Butoxyethyl acetate, water
60 parts；B material is made of the raw material of following parts by weight: 7 parts of redispersable latex powder, 15 parts of activator, 60 parts of agstone.
The polypropylene-base amine salt is prepared by following methods: by MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and
Methylpropene sodium sulfonate is placed in four-hole boiling flask by weight 3:1 mixing, is added distilled water to be diluted to mass percent concentration and is
30%, lead to N228min is warming up to 70 DEG C, starts that initiator solution is added dropwise, and continues logical N after being added dropwise222min, 70 DEG C of constant temperature
After reacting 40min, room temperature is down to get polypropylene-base amine salt.
The initiator solution mass percent concentration is 3%.
The initiator is ammonium persulfate.
The initiator amount is MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and methylpropene sodium sulfonate total weight
4%.
The 2-Butoxyethyl acetate is monoethylene glycol monobutyl ether acetate and butyl acetate according to weight
It is obtained by mixing than 3:1.
The redispersable latex powder is acrylate and styrene copolymerized rubber powder.
The activator is made of aluminum sulfate and calcium formate by weight 4:1.
This comparative example vertical mill grinding slag is that A material is added to hydraulic pipeline with the application method of activity excitation type grinding aid
In and water together enter mill, B material be added on the slag of feed belt and slag together enter mill.
The difference of this comparative example and embodiment 4 is the addition of no superfine alumina silicate, without remaining with embodiment 4.
Performance test
In Shandong Linyi, miberal powder manufacturing enterprise uses the grinding aid of 1-5 of the embodiment of the present invention, comparative example 1-5 and commercially available
Ball mill grinding aid is used for vertical mill grinding slag, and A material is added in hydraulic pipeline and water enters mill together, and B material is added to charging
On the slag of belt and slag enters mill together.Commercially available grinding aid is also incorporated into hydraulic pipeline and water enters mill together.A material adds
Dosage is the 0.02-0.05% of slag total weight, and B expects that additive amount is the 0.03-0.08% of slag total weight.Slag reactivity index
Experiment is surveyed according to the method for GB/T18046-2017 " for the ground granulated blast furnace slag in cement, mortar and concrete " appendix A
It is fixed.
1 industry experiment data of table
It should be noted that above-described embodiment is only the section Example for realizing preferred embodiment of the invention, Er Feiquan
Portion's embodiment.Obviously, it is based on the above embodiment of the present invention, those of ordinary skill in the art are not making creative work
Under the premise of other all embodiments obtained, should fall within the scope of the present invention.
Claims (10)
1. a kind of vertical mill grinding slag activity excitation type grinding aid, which is characterized in that be made of A material and B material, A expects by following
The raw material of parts by weight forms: 15-30 parts of polypropylene-base amine salt, 10-15 parts of diisopropyl ethanolamine, 5-10 parts of triethylene glycol, second
3-10 parts of glycol monobutyl ether acetate, 50-75 parts of water；B material is made of the raw material of following parts by weight: redispersable latex powder 5-8
Part, 10-20 parts of superfine alumina silicate, 10-20 parts of activator, 40-70 parts of agstone.
2. vertical mill grinding slag activity excitation type grinding aid according to claim 1, which is characterized in that the polypropylene-base
Amine salt is prepared by following methods: by weight by MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and methylpropene sodium sulfonate
It is placed in four-hole boiling flask than 3-5:1 mixing, adding distilled water to be diluted to mass percent concentration is 20-35%, leads to N220-
30min is warming up to 65-75 DEG C, starts that initiator solution is added dropwise, and continues logical N after being added dropwise220-30min, 65-75 DEG C of constant temperature
After reacting 30-60min, room temperature is down to get polypropylene-base amine salt.
3. vertical mill grinding slag activity excitation type grinding aid according to claim 2, which is characterized in that the initiator is
One of azo diisobutyl amidine hydrochloride, azodiisobutyronitrile, lauroyl peroxide, ammonium persulfate；The initiator is molten
Liquid mass percent concentration is 2-5%.
4. vertical mill grinding slag activity excitation type grinding aid according to claim 2, which is characterized in that the initiator is used
Amount is the 2-5% of MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride and methylpropene sodium sulfonate total weight.
5. vertical mill grinding slag activity excitation type grinding aid according to claim 1, which is characterized in that the ethylene glycol fourth
Ether acetate is monoethylene glycol monobutyl ether acetate and/or butyl acetate.
6. vertical mill grinding slag activity excitation type grinding aid according to claim 1, which is characterized in that the ethylene glycol fourth
Ether acetate is that monoethylene glycol monobutyl ether acetate and butyl acetate are obtained by mixing according to weight ratio 3:1.
7. vertical mill grinding slag activity excitation type grinding aid according to claim 1, which is characterized in that described redispersible
Latex powder be vinylacetate homopolymerization rubber powder, ethylene and vinyl chloride and moon silicic acid vinyl acetate ternary polymerization rubber powder, acrylate with
One of styrene copolymerized rubber powder.
8. vertical mill grinding slag activity excitation type grinding aid according to claim 1, which is characterized in that the activator by
Aluminum sulfate and calcium formate are formed by weight 1-5:1.
9. the activity excitation type grinding aid of vertical mill grinding slag described in -9 any one according to claim 1, which is characterized in that institute
The application method for stating grinding aid is that A material is added in hydraulic pipeline and water enters mill together, and B expects the slag for being added to feed belt
On and slag together enter mill.
10. vertical mill grinding slag activity excitation type grinding aid according to claim 9, which is characterized in that A expects that additive amount is
The 0.02-0.05% of slag total weight, B expect that additive amount is the 0.03-0.08% of slag total weight.
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