CN105601163A - Novel liquid concrete accelerator and preparation method thereof - Google Patents
Novel liquid concrete accelerator and preparation method thereof Download PDFInfo
- Publication number
- CN105601163A CN105601163A CN201610027958.9A CN201610027958A CN105601163A CN 105601163 A CN105601163 A CN 105601163A CN 201610027958 A CN201610027958 A CN 201610027958A CN 105601163 A CN105601163 A CN 105601163A
- Authority
- CN
- China
- Prior art keywords
- metaaluminate
- accelerator
- tetrahydroxy
- hydration
- lithium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 31
- 239000007788 liquid Substances 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 230000036571 hydration Effects 0.000 claims description 35
- 238000006703 hydration reaction Methods 0.000 claims description 35
- WPUINVXKIPAAHK-UHFFFAOYSA-N aluminum;potassium;oxygen(2-) Chemical compound [O-2].[O-2].[Al+3].[K+] WPUINVXKIPAAHK-UHFFFAOYSA-N 0.000 claims description 32
- YQNQTEBHHUSESQ-UHFFFAOYSA-N lithium aluminate Chemical compound [Li+].[O-][Al]=O YQNQTEBHHUSESQ-UHFFFAOYSA-N 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims description 26
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 24
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 16
- 239000003381 stabilizer Substances 0.000 claims description 13
- 239000000080 wetting agent Substances 0.000 claims description 13
- 239000008139 complexing agent Substances 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 8
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 7
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 7
- 238000010792 warming Methods 0.000 claims description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000004568 cement Substances 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 7
- 239000007787 solid Substances 0.000 abstract description 3
- 239000004035 construction material Substances 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 abstract 1
- 239000000428 dust Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 10
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 9
- 239000002253 acid Substances 0.000 description 9
- 229910052700 potassium Inorganic materials 0.000 description 9
- 239000011591 potassium Substances 0.000 description 9
- 150000007513 acids Chemical class 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000002075 main ingredient Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920002401 polyacrylamide Polymers 0.000 description 4
- 238000003556 assay Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 229910052909 inorganic silicate Inorganic materials 0.000 description 3
- 239000011378 shotcrete Substances 0.000 description 3
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 159000000007 calcium salts Chemical class 0.000 description 2
- 239000013066 combination product Substances 0.000 description 2
- 229940127555 combination product Drugs 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910001388 sodium aluminate Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- -1 alkali metal aluminate Chemical class 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical group [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/10—Accelerators; Activators
- C04B2103/12—Set accelerators
Abstract
The invention provides a novel liquid concrete accelerator and a preparation method thereof. The novel liquid concrete accelerator has the advantages that the accelerator is high in solid content, low in temperature and free of crystals, and the mixing amount of the accelerator in concrete is lowered greatly; the initial setting time and final setting time of the accelerator are short, construction efficiency is increased greatly, and the fast construction requirements are satisfied; the accelerator is widely adaptable to cement and can adapt to the cement of different producing areas and grades; the accelerator is low in resilience rate, capable of greatly saving construction materials, free of dust and environmental friendly.
Description
Technical field
The invention belongs to concrete admixture field, relate in particular to a kind of new liquid concrete accelerator and preparation side thereofMethod.
Background technology
Liquid accelerator is mainly divided into low alkali, the large class of alkali-free two both at home and abroad at present. Alkali-free liquid accelerator Main Ingredients and Appearance isAl2(SO4)3And combination product. Low-alkali liquid quick-setting agent Main Ingredients and Appearance is NaAlO2、Na2SiO4And combination product. For example China speciallyProfit 2012103248635 discloses the patent of invention that a kind of name is called liquid accelerator for sprayed concrete and application thereof, this productThe Main Ingredients and Appearance of product is Al2(SO4)3, by H2SO4Make with aluminium powder product composite functional material, solid content 30-50%,Volume 2-5%, cement final setting time 4-8min; Chinese patent 2007100184626 discloses a kind of name and has been called a kind of for sprayPenetrate concrete low-alkali liquid quick-setting agent, the Main Ingredients and Appearance of this product is alkali metal aluminate, and volume 3-6%, when cement final setBetween meet JC477-2005 standard (Grade A final setting time≤10min), alkali content 3-6%. Their common features are: 1. haveIon activity that effective constituent ionizes out in water is low, quantity is few. Al2(SO4)3Only ionize out AlO2 -1、SO4 -2Two kinds of ions,NaAlO2Only ionize out Na+1、AlO2 -1Two kinds of ions, Na2SiO4Only ionize out Na+1、SiO4 -2Two kinds of ions, and the change of ionLearn activity lower. 2. product is to be that solute, water are the solution that solvent forms by effective ingredient, and its solubility temperature influence veryGreatly. The shortcoming of bringing to product is therefrom: 1. solid content low≤40%, the easy crystallization of low temperature. 2. the large 4-8% of volume. 3. to waterThe broad spectrum activity of mud is poor, and 4. rebound degree is large can not to adapt to the cement of the different places of production and different labels, and after spraying mud, mud holdsEasily drop from outer wall, greatly improved construction cost.
Summary of the invention
In order to overcome above-mentioned technical disadvantages, the invention provides a kind of new liquid concrete accelerator, this accelerator contains admittedlyMeasure high and low temperature without crystallization, greatly reduce its volume in concrete; This accelerator just, final setting time is short, greatly carryHigh efficiency of construction, has met the requirement of rapid construction; Simultaneously good with the broad spectrum activity of cement, adapt to from the different places of production and labelCement; Rebound degree is little, has greatly saved construction materials, dustless and environmental protection.
For achieving the above object, technical scheme of the present invention is: described accelerator comprises 83%-90% by mass percentageTetrahydroxy hydration potassium metaaluminate and the mixture of tetrahydroxy hydration lithium metaaluminate, the complexing agent of 2.0%-3.0%, 3.0%-3.5% stabilizing agent, the wetting agent of 0.5%-1.0%, the tackifier of 0.5%-1.0%, surplus is water, wherein said tetrahydroxyThe mixed proportion of hydration potassium metaaluminate and tetrahydroxy hydration lithium metaaluminate is 9-10: 1.
The present invention has designed, the polyalcohol that described complexing agent is different molecular weight or PVOH.
The present invention has designed, and described stabilizing agent is benzene siliconic acid potassium.
The present invention has designed, and described wetting agent is polycarboxylate.
The present invention has designed, the polyacrylamide that described tackifier are HMW or carboxymethyl cellulose.
The present invention also provides a kind of preparation method of new liquid concrete accelerator:
Described preparation method's raw material comprises according to mass percent: potassium hydroxide 30%-35%, lithium hydroxide 3.3%-3.9%, aluminium hydroxide 35%-40%, stabilizing agent 3%-3.5%, complexing agent 2%-3%, wetting agent 0.5%-1%, tackifier0.5%-1%, surplus is water;
Described preparation method comprises the following steps:
1. after first potassium hydroxide, lithium hydroxide, aluminium hydroxide being mixed, drop in the water stirring, be warming up to100-110 DEG C is continued stirring reaction 60-120 minute, obtains product potassium metaaluminate, lithium metaaluminate mixture;
2. the potassium metaaluminate obtaining, lithium metaaluminate mixture are added to stabilizing agent, complexing agent and suitable quantity of water, at 110-120Under DEG C condition, stir 60-90 minute with 60-80 rev/min, obtain tetrahydroxy hydration potassium metaaluminate and tetrahydroxy hydration lithium metaaluminateMixture;
3. by gained tetrahydroxy hydration potassium metaaluminate and tetrahydroxy hydration lithium metaaluminate mixture with 100-120 rev/minStirring adds wetting agent, tackifier, controls temperature 80-100 DEG C, stirs and within 30-40 minute, obtains described accelerator;
Below the chemical equation in above-mentioned steps:
Tetrahydroxy potassium metaaluminate, tetrahydroxy lithium metaaluminate in described accelerator all have very high chemism, shouldFor can be instantaneous after concrete and calcium ion cement the formation Compound complex that reacts, make concrete rapid condensation, hardChange, just final setting time is short greatly to have shortened cement, has improved efficiency of construction, has met the requirement of rapid construction; The inclined to one side aluminium of tetrahydroxyAcid lithium is again the good inhibitor that prevents concrete generation alkali-aggregate reaction, has increased concrete strength simultaneously;
Described stabilizing agent, in order to impel tetrahydroxy hydration potassium metaaluminate, the lithium of formation more stable, is not handed over for a long timeConnection polymerization, extends and stores the shelf-life;
Described complexing agent is in order to impel potassium metaaluminate, lithium metaaluminate and water to form tetrahydroxy hydration potassium metaaluminate, tetrahydroxyThe complex compound of hydration lithium metaaluminate, thoroughly changes traditional liquid accelerator effective ingredient and forms molten as solvent as solute, waterLiquid, solubility temperature influence, the phenomenon of the easy crystallization of low temperature;
Described wetting agent can pass through its larger angle of wetting, permeability, polar group, surface-active, make accelerator fromSon can be diffused into concrete cement particle surface rapidly, and is adsorbed fast, thus make calcium ion after hydrated cementitious withInstantaneous the reacting of effective ion of accelerator forms composite calcium salt complex, accelerates the setting and harden of cement;
Tackifier can pass through its larger molecular configuration, fast between the composite calcium salt complex that can make to form in concreteSpeed composition network structure, increases concrete toughness, improves the bonding of gunite concrete in basic unit, reduces gunite concreteRebound degree, rebound degree is reduced to below 10%.
This accelerator by effective infiltration and with concrete in composition generation chemical reaction, make concrete each composition solidChange into a firm entity, and filled concrete pore, obtain the entirety of a dustless densification, further improved mixedSolidifying native crushing resistance, compactness and impermeability.
Detailed description of the invention
Following table is 6 specific embodiments of the present invention, and the amount of each component is mass percent.
The accelerator of above-described embodiment 1 is adopted with the following method and is prepared, and concrete steps are as follows:
The first step: after first 30% potassium hydroxide, 3.6% lithium hydroxide, 35% aluminium hydroxide being mixed, drop into and stirWater in, be warming up to 100 DEG C and continue stirring reactions 60 minutes, obtain product potassium metaaluminate, lithium metaaluminate mixture;
Second step: add 3.5% benzene siliconic acid potassium stabilizing agent, 2.6% to gather in the potassium metaaluminate obtaining, lithium metaaluminate mixtureEthanol complexing agent and suitable quantity of water, under 100 DEG C of conditions, with 60 revs/min stir 60 minutes, obtain tetrahydroxy hydration potassium metaaluminate withTetrahydroxy hydration lithium metaaluminate mixture;
The 3rd step: by gained tetrahydroxy hydration potassium metaaluminate and tetrahydroxy hydration lithium metaaluminate mixture with 100 revs/minStirring adds 1% polycarboxylic acids potassium wetting agent, 1% polyacrylamide tackifier, controls 80 DEG C of temperature, described in stirring and obtaining for 30 minutesAccelerator.
The technical indicator that the accelerator of gained in this example is recorded is as in the table below:
| Project | Technical indicator (Grade A) | Assay |
| 1 day compression strength (MPa) | ≥7 | 10.0 |
| 28 days compressive strength rates (%) | ≥75 | 90.0 |
| Presetting period (min) | ≤2′00″ | 1′45″ |
| Final setting time (min) | ≤8′00″ | 4′15″ |
The accelerator of above-described embodiment 2 is adopted with the following method and is prepared, and concrete steps are as follows:
The first step: after first 31% potassium hydroxide, 3.4% lithium hydroxide, 36% aluminium hydroxide being mixed, drop into and stirWater in, be warming up to 102 DEG C and continue stirring reactions 70 minutes, obtain product potassium metaaluminate, lithium metaaluminate mixture;
Second step: the potassium metaaluminate obtaining, lithium metaaluminate mixture are added to 3.4% benzene siliconic acid potassium stabilizing agent, 3% poly-secondAlcohol complexing agent and suitable quantity of water, under 102 DEG C of conditions, with 65 revs/min of stirrings 80 minutes, obtain tetrahydroxy hydration potassium metaaluminate and fourHydroxyl hydration lithium metaaluminate mixture;
The 3rd step: by gained tetrahydroxy hydration potassium metaaluminate and tetrahydroxy hydration lithium metaaluminate mixture with 105 revs/minStirring adds 0.9% polycarboxylic acids potassium wetting agent, 0.9% polyacrylamide tackifier, controls 85 DEG C of temperature, stirs and obtains for 35 minutesDescribed accelerator.
The technical indicator that the accelerator of gained in this example is recorded is as in the table below:
The accelerator of above-described embodiment 3 is adopted with the following method and is prepared, and concrete steps are as follows:
The first step: after first 32.5% potassium hydroxide, 3.6% lithium hydroxide, 37.5% aluminium hydroxide being mixed, drop intoIn the water stirring, be warming up to 105 DEG C and continue stirring reaction 80 minutes, obtain product potassium metaaluminate, lithium metaaluminate mixture;
Second step: add 3.3% benzene siliconic acid potassium stabilizing agent, 2.4% to gather in the potassium metaaluminate obtaining, lithium metaaluminate mixtureEthanol complexing agent and suitable quantity of water, under 105 DEG C of conditions, with 70 revs/min stir 85 minutes, obtain tetrahydroxy hydration potassium metaaluminate withTetrahydroxy hydration lithium metaaluminate mixture;
The 3rd step: by gained tetrahydroxy hydration potassium metaaluminate and tetrahydroxy hydration lithium metaaluminate mixture with 110 revs/minStirring adds 0.8% polycarboxylic acids potassium wetting agent, 0.8% polyacrylamide tackifier, controls 90 DEG C of temperature, stirs and obtains for 35 minutesDescribed accelerator.
The technical indicator that the accelerator of gained in this example is recorded is as in the table below::
| Project | Technical indicator (Grade A) | Assay |
| 1 day compression strength (MPa) | ≥7 | 11.5 |
| 28 days compressive strength rates (%) | ≥75 | 91.5 |
| Presetting period (min) | ≤2′00″ | 1′30″ |
| Final setting time (min) | ≤8′00″ | 4′00″ |
The accelerator of above-described embodiment 4 is adopted with the following method and is prepared, and concrete steps are as follows:
The first step: after first 35% potassium hydroxide, 4% lithium hydroxide, 40% aluminium hydroxide being mixed, input stirsIn water, be warming up to 110 DEG C and continue stirring reaction 120 minutes, obtain product potassium metaaluminate, lithium metaaluminate mixture;
Second step: the potassium metaaluminate obtaining, lithium metaaluminate mixture are added to 3% benzene siliconic acid potassium stabilizing agent, 2% PVOHComplexing agent and suitable quantity of water, under 110 DEG C of conditions, with 80 revs/min of stirrings 90 minutes, obtain tetrahydroxy hydration potassium metaaluminate and four hydroxylsBase hydration lithium metaaluminate mixture;
The 3rd step: by gained tetrahydroxy hydration potassium metaaluminate and tetrahydroxy hydration lithium metaaluminate mixture with 120 revs/minStirring adds 0.5% polycarboxylic acids potassium wetting agent, 0.5% carboxymethyl cellulose tackifier, controls 100 DEG C of temperature, stirs 40 minutesObtain described accelerator.
The technical indicator that the accelerator of gained in this example is recorded is as in the table below:
| Project | Technical indicator (Grade A) | Assay 4 --> |
| 1 day compression strength (MPa) | ≥7 | 12 |
| 28 days compressive strength rates (%) | ≥75 | 93 |
| Presetting period (min) | ≤2′00″ | 1′30″ |
| Final setting time (min) | ≤8′00″ | 3′45″ |
Claims (6)
1. a new liquid concrete accelerator, is characterized in that, described accelerator comprises by mass percentage:
The mixture of the tetrahydroxy hydration potassium metaaluminate of 83%-90% and tetrahydroxy hydration lithium metaaluminate,
The complexing agent of 2.0%-3.0%,
The stabilizing agent of 3.0%-3.5%,
The wetting agent of 0.5%-1.0%,
The tackifier of 0.5%-1.0%,
Surplus is water,
The mixed proportion of wherein said tetrahydroxy hydration potassium metaaluminate and tetrahydroxy hydration lithium metaaluminate is 9-10: 1.
2. a kind of new liquid concrete accelerator according to claim 1, is characterized in that: described complexing agent is different pointsPolyalcohol or the PVOH of son amount.
3. a kind of new liquid concrete accelerator according to claim 1, is characterized in that: described stabilizing agent is benzene siliconic acidPotassium.
4. a kind of new liquid concrete accelerator according to claim 1, is characterized in that: described wetting agent is polycarboxylic acidsSalt.
5. a kind of new liquid concrete accelerator according to claim 1, is characterized in that: described tackifier are macromoleculePolyacrylamide or the carboxymethyl cellulose of amount.
6. the preparation method of a kind of new liquid concrete accelerator as described in claim 1-5 any one: as described in systemThe raw material of Preparation Method comprises according to mass percent: potassium hydroxide 30%-35%, lithium hydroxide 3.3%-3.9%, aluminium hydroxide35%-40%, stabilizing agent 3%-3.5%, complexing agent 2%-3%, wetting agent 0.5%-1%, tackifier 0.5%-1%, surplusFor water;
Described preparation method comprises the following steps:
1. after first potassium hydroxide, lithium hydroxide, aluminium hydroxide being mixed, drop in the water stirring, be warming up to 100-110DEG C continue stirring reaction 60-120 minute, obtain product potassium metaaluminate, lithium metaaluminate mixture;
2. the potassium metaaluminate obtaining, lithium metaaluminate mixture are added to stabilizing agent, complexing agent and suitable quantity of water, at 110-120 DEG C of barUnder part, with 60-80 rev/min of stirring 60-90 minute, obtain tetrahydroxy hydration potassium metaaluminate and mix with tetrahydroxy hydration lithium metaaluminateThing;
3. by gained tetrahydroxy hydration potassium metaaluminate and tetrahydroxy hydration lithium metaaluminate mixture with 100-120 rev/min of stirringAdd wetting agent, tackifier, control temperature 80-100 DEG C, stir and within 30-40 minute, obtain described accelerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610027958.9A CN105601163B (en) | 2016-01-14 | 2016-01-14 | A kind of liquid concrete accelerator and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610027958.9A CN105601163B (en) | 2016-01-14 | 2016-01-14 | A kind of liquid concrete accelerator and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105601163A true CN105601163A (en) | 2016-05-25 |
| CN105601163B CN105601163B (en) | 2018-03-23 |
Family
ID=55981595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610027958.9A Active CN105601163B (en) | 2016-01-14 | 2016-01-14 | A kind of liquid concrete accelerator and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105601163B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108409192A (en) * | 2018-05-18 | 2018-08-17 | 萧县沃德化工科技有限公司 | A method of utilizing the sodium fluoride synthetic fluid accelerator containing heavy metal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475335A (en) * | 2009-01-13 | 2009-07-08 | 江苏博特新材料有限公司 | Liquid accelerator for sprayed concrete and preparation thereof |
| CN102219423A (en) * | 2011-04-20 | 2011-10-19 | 安徽中铁工程材料科技有限公司 | Method for preparing novel low-alkaline liquid setting accelerator |
| CN102992677A (en) * | 2012-09-29 | 2013-03-27 | 北京东方雨虹防水技术股份有限公司 | Alkali-free liquid accelerator and preparation method and application thereof |
| CN104193211A (en) * | 2014-08-18 | 2014-12-10 | 刘翠芬 | Heating-free non-alkali liquid accelerator for jetting concrete and preparation method of heating-free non-alkali liquid accelerator |
| CN104193212A (en) * | 2014-08-18 | 2014-12-10 | 刘翠芬 | Low-resilience and low-alkaline liquid accelerator for sprayed concrete and preparation method thereof |
-
2016
- 2016-01-14 CN CN201610027958.9A patent/CN105601163B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475335A (en) * | 2009-01-13 | 2009-07-08 | 江苏博特新材料有限公司 | Liquid accelerator for sprayed concrete and preparation thereof |
| CN102219423A (en) * | 2011-04-20 | 2011-10-19 | 安徽中铁工程材料科技有限公司 | Method for preparing novel low-alkaline liquid setting accelerator |
| CN102992677A (en) * | 2012-09-29 | 2013-03-27 | 北京东方雨虹防水技术股份有限公司 | Alkali-free liquid accelerator and preparation method and application thereof |
| CN104193211A (en) * | 2014-08-18 | 2014-12-10 | 刘翠芬 | Heating-free non-alkali liquid accelerator for jetting concrete and preparation method of heating-free non-alkali liquid accelerator |
| CN104193212A (en) * | 2014-08-18 | 2014-12-10 | 刘翠芬 | Low-resilience and low-alkaline liquid accelerator for sprayed concrete and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108409192A (en) * | 2018-05-18 | 2018-08-17 | 萧县沃德化工科技有限公司 | A method of utilizing the sodium fluoride synthetic fluid accelerator containing heavy metal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105601163B (en) | 2018-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103086635A (en) | Pumping agent and application thereof | |
| CN105218024A (en) | A kind of ceramic tile bond | |
| CN111410502B (en) | Anhydrite-based light plastering mortar and preparation method thereof | |
| CN111807794A (en) | Low-temperature sleeve grouting material and preparation method thereof | |
| CN102910852B (en) | Coagulant for super sulfate cement | |
| CN102936111B (en) | High-performance prestressing duct grouting agent and preparation method thereof | |
| CN104446090A (en) | Durable alkali-free liquid setting accelerator and preparation method thereof | |
| CN110759699B (en) | Bottom layer plastering gypsum and preparation method thereof | |
| CN105110730A (en) | Modified organic silicon reinforced cement-based permeable crystallization type waterproof coating and preparation method therefor | |
| CN105236879A (en) | Masonry mortar doped with geopolymer and phosphorus slag powder and use method | |
| CN111908873A (en) | Micro-expansion, early-strength, high-strength, weathering-resistant and low-cost sleeve grouting material and preparation method thereof | |
| CN104276784B (en) | A kind of waterproof densification powder being dry mixed ordinary mortar | |
| CN103553515B (en) | A kind of dry-mix being mixed with phosphorus slag powder | |
| CN102701633B (en) | High-efficiency concrete air entraining agent and preparation method thereof | |
| CN104291729A (en) | Concrete air entraining agent and preparation method thereof | |
| CN101898884B (en) | Cement waterproofing material and preparation method thereof | |
| CN105776989A (en) | Novel wet-mixed mortar | |
| CN107746233A (en) | A kind of mortar for building and its production method | |
| CN101863634A (en) | Building mortar additive and production method thereof | |
| CN111302740A (en) | Low-mixing high-strength all-lightweight aggregate concrete for members and preparation method thereof | |
| CN105601163A (en) | Novel liquid concrete accelerator and preparation method thereof | |
| CN105503103A (en) | Polymer modified cement-based waterproof mortar | |
| CN104003646B (en) | A kind of dry-mixed mortar water-keeping thickening material and application thereof | |
| CN110845188A (en) | Sand-free macroporous concrete and preparation method thereof | |
| CN105503141A (en) | Waste-residue and magnesium-phosphate cement self-leveling mortar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: The invention relates to a liquid concrete accelerator and a preparation method thereof Effective date of registration: 20210914 Granted publication date: 20180323 Pledgee: Taian Bank Co.,Ltd. Daizong sub branch Pledgor: TAIAN XIUTELIBO GEOTECHNICAL ENGINEERING TECHNOLOGY Co.,Ltd. Registration number: Y2021980009307 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220915 Granted publication date: 20180323 Pledgee: Taian Bank Co.,Ltd. Daizong sub branch Pledgor: TAIAN XIUTELIBO GEOTECHNICAL ENGINEERING TECHNOLOGY Co.,Ltd. Registration number: Y2021980009307 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A kind of liquid concrete accelerator and preparation method thereof Effective date of registration: 20220919 Granted publication date: 20180323 Pledgee: Taian Bank Co.,Ltd. Daizong sub branch Pledgor: TAIAN XIUTELIBO GEOTECHNICAL ENGINEERING TECHNOLOGY Co.,Ltd. Registration number: Y2022980015466 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230918 Granted publication date: 20180323 Pledgee: Taian Bank Co.,Ltd. Daizong sub branch Pledgor: TAIAN XIUTELIBO GEOTECHNICAL ENGINEERING TECHNOLOGY Co.,Ltd. Registration number: Y2022980015466 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A liquid concrete accelerator and its preparation method Effective date of registration: 20230925 Granted publication date: 20180323 Pledgee: Taian Bank Co.,Ltd. Daizong sub branch Pledgor: TAIAN XIUTELIBO GEOTECHNICAL ENGINEERING TECHNOLOGY Co.,Ltd. Registration number: Y2023980058463 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |