CN111592262A - Concrete liquid accelerator - Google Patents
Concrete liquid accelerator Download PDFInfo
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- CN111592262A CN111592262A CN202010522185.8A CN202010522185A CN111592262A CN 111592262 A CN111592262 A CN 111592262A CN 202010522185 A CN202010522185 A CN 202010522185A CN 111592262 A CN111592262 A CN 111592262A
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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
- C04B2103/10—Accelerators; Activators
- C04B2103/12—Set accelerators
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the technical field of accelerating agents, in particular to a concrete liquid accelerating agent, which aims at solving the problems that the existing powdery accelerating agent has low dissolving speed, is not easy to disperse and the like, and can only be applied to dry-spraying process construction, most of the powdery accelerating agents contain strong alkaline substances, are easy to damage eyes and skins of construction workers, and are easy to reduce the strength of concrete, and the following scheme is proposed, which comprises the following components: 35-45 parts of aluminum sulfate, 3-9 parts of sodium fluoride, 6-12 parts of a defoaming agent, 7-10 parts of a stabilizer, 5-10 parts of glycerol, 10-15 parts of hydroxycarboxylic acid, 4-10 parts of a preservative, 5-12 parts of a thickener, 10-20 parts of an odor adsorbent and 35-55 parts of water. The invention has convenient preparation, improves the dissolution speed and the working efficiency, does not cause damage to workers and environment, improves the corrosion resistance of the concrete and enhances the strength of the concrete.
Description
Technical Field
The invention relates to the technical field of accelerating agents, in particular to a concrete liquid accelerating agent.
Background
The concrete accelerator is a chemical additive capable of enabling cement or concrete to quickly set, is sometimes called as an accelerator, is mainly applied to sprayed concrete construction, and is applied to the surface of the concrete in engineering construction of tunnels, underground mines and the like in a spraying mode, so that the concrete can be quickly set and hardened, and the early strength of the concrete is improved.
The existing powdery accelerating agent has the defects of low dissolving speed, difficult dispersion and the like, and can only be applied to dry-spraying process construction, most of the powdery accelerating agents contain strong alkaline substances, the eyes and the skin of construction workers are easily damaged, and the strength of concrete is easily reduced.
Disclosure of Invention
The invention aims to solve the defects that the existing powdery accelerating agent has low dissolving speed, is not easy to disperse and the like, can only be applied to dry spraying process construction, most of the powdery accelerating agents contain strong alkaline substances, are easy to damage eyes and skins of construction workers, and are easy to reduce the strength of concrete.
In order to achieve the purpose, the invention adopts the following technical scheme:
a concrete liquid accelerator comprises the following components: 35-45 parts of aluminum sulfate, 3-9 parts of sodium fluoride, 6-12 parts of a defoaming agent, 7-10 parts of a stabilizer, 5-10 parts of glycerol, 10-15 parts of hydroxycarboxylic acid, 4-10 parts of a preservative, 5-12 parts of a thickener, 10-20 parts of an odor adsorbent and 35-55 parts of water.
Preferably, the following components are included: 38-40 parts of aluminum sulfate, 5-7 parts of sodium fluoride, 8-10 parts of a defoaming agent, 8-9 parts of a stabilizer, 7-9 parts of glycerol, 11-12 parts of hydroxycarboxylic acid, 6-8 parts of a preservative, 6-10 parts of a thickener, 12-18 parts of an odor adsorbent and 40-50 parts of water.
Preferably, the following components are included: 39 parts of aluminum sulfate, 6 parts of sodium fluoride, 9 parts of a defoaming agent, 9 parts of a stabilizing agent, 7 parts of glycerol, 10 parts of hydroxycarboxylic acid, 7 parts of a preservative, 8 parts of a thickener, 15 parts of an odor adsorbent and 46 parts of water.
Preferably, the concrete liquid accelerator comprises the following preparation steps:
s1: adding water serving as a base into a mixer, adding aluminum sulfate and sodium fluoride into the mixer for mixing, and intermittently adding a defoaming agent;
s2: adding a stabilizer, glycerol and a preservative into a mixer for mixing, and intermittently adding a defoaming agent;
s3: adding hydroxycarboxylic acid into a mixer, mixing, intermittently adding all defoaming agents at the same time, and constantly detecting the change of the pH value;
s4: adding the odor adsorbent into a mixer, mixing to adsorb odor, precipitating, and filtering to obtain accelerator liquid;
s5: and adding a thickening agent into the accelerator liquid and stirring to make the accelerator liquid viscous.
Preferably, in S1, water is first added into the mixer, a funnel is arranged on the mixer, an adjustable valve is arranged on the funnel, a defoaming agent is added into the funnel, aluminum sulfate and sodium fluoride are introduced into the mixer, the mixer is started, the mixer stirs the aluminum sulfate, the sodium fluoride and the water to obtain a first solution, and the defoaming agent is added intermittently during the stirring to achieve a defoaming effect.
Preferably, in the step S2, a stabilizer, glycerin and a preservative are added to the first solution, and the mixture is stirred, and the addition of the defoamer is controlled to obtain a second solution, wherein the stabilizer increases the stability of the accelerator, the glycerin has a preservative effect, and the preservative can improve the preservative property of the concrete.
Preferably, in the step S3, the hydroxycarboxylic acid is added into the second solution, and the mixture is stirred, the hydroxycarboxylic acid can be added in 2-3 times, and the antifoaming agent is gradually used, and the solution can be extracted and tested for PH value in 2-3 times while stirring, so as to obtain a third solution, wherein the hydroxycarboxylic acid has acidity and can reduce alkalinity of the accelerating agent.
Preferably, in S4, the odor adsorbent is added into the solution three and slowly stirred, the odor or pungent odor can be adsorbed and precipitated by the adsorbent particles to obtain a solution four, the solution four is filtered and filtered by a 600-mesh filter screen to obtain the accelerator liquid, and the adsorbent is activated carbon adsorbent particles or alum adsorbent particles and has a size larger than that of the filter screen.
Preferably, in S5, the mixer is cleaned, the solution four is reintroduced into the mixer, the viscosity agent is added and stirred, the viscosity agent can be added for 3-5 times or intermittently, the viscosity agent can be observed conveniently, and after preparation, the mixture is packaged, wherein the viscosity agent is powdery and is very soluble in water.
Preferably, add the viscidity agent in the funnel, through valve control flow, extract liquid during the stirring and observe, can carry out the analysis to liquid viscosity, suitable can, it can be with convenient to carry to modulate the viscidity form, rocks when avoiding carrying greatly.
Compared with the prior art, the invention has the advantages that:
(1) the solution can be conveniently used by preparing the accelerator liquid, and the dissolution speed and the working efficiency are improved;
(2) the adsorbent particles are used to adsorb peculiar smell or pungent smell, so that the influence of the pungent smell on workers is avoided;
(3) the accelerator liquid is made into a sticky shape, so that the accelerator liquid is convenient to carry and avoids large shaking during carrying;
(4) the hydroxycarboxylic acid has acidity, so that the alkalinity of the accelerator can be reduced, the accelerator is prepared into acidic liquid, and the harm of the alkalinity to the environment or workers is avoided;
(5) the defoaming agent can play a defoaming role during preparation and stirring, and simultaneously can prevent liquid from colliding with concrete to generate a large amount of bubbles during spraying and using;
(6) the stabilizer increases the stability of the accelerator, the glycerin has an anti-corrosion effect, the service life of the accelerator can be prolonged, and the preservative can improve the anti-corrosion performance of the concrete and enhance the strength of the concrete.
The invention has convenient preparation, improves the dissolution speed and the working efficiency, does not cause damage to workers and environment, improves the corrosion resistance of the concrete and enhances the strength of the concrete.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example one
A concrete liquid accelerator comprises the following components: 35 parts of aluminum sulfate, 3 parts of sodium fluoride, 6 parts of a defoaming agent, 7 parts of a stabilizing agent, 5 parts of glycerol, 10 parts of hydroxycarboxylic acid, 4 parts of a preservative, 5 parts of a viscosity agent, 10 parts of an odor adsorbent and 35 parts of water.
In this embodiment, a concrete liquid accelerator includes the following preparation steps:
s1: adding 35 parts of water into a mixer as a base, adding 35 parts of aluminum sulfate and 3 parts of sodium fluoride into the mixer for mixing, and intermittently adding a defoaming agent;
s2: adding 7 parts of stabilizer, 5 parts of glycerol and 4 parts of preservative into a mixer for mixing, and intermittently adding 6 parts of defoaming agent;
s3: adding 10 parts of hydroxycarboxylic acid into a mixer, mixing, intermittently adding all defoaming agents, and detecting the change of the pH value at any time;
s4: adding 10 parts of odor adsorbent into a mixer, mixing to adsorb odor, precipitating, and filtering to obtain accelerator liquid;
s5: and adding 5 parts of a thickening agent into the accelerator liquid, and stirring to make the accelerator liquid viscous.
In this embodiment, in S1, water is first added to a mixer, a funnel is disposed on the mixer, an adjustable valve is disposed on the funnel, a defoaming agent is added to the funnel, aluminum sulfate and sodium fluoride are introduced into the mixer, the mixer is started, the mixer stirs the aluminum sulfate, the sodium fluoride and the water to obtain a first solution, the defoaming agent is added intermittently during the stirring to achieve a defoaming effect, the stirring time is 20 minutes, and the stirring speed is 800 r/min.
In this example, in S2, a stabilizer, glycerin, and a preservative were added to solution one, and the mixture was stirred while controlling the addition of an antifoaming agent, to obtain solution two, with a stirring time of 15 minutes and a stirring speed of 700 r/min.
In this embodiment, in S3, adding hydroxycarboxylic acid to solution two, stirring, adding hydroxycarboxylic acid may be divided into 2 to 3 times, and gradually adding the defoaming agent, and during stirring, extracting the liquid for 2 to 3 times to detect the PH value to obtain solution three, where the stirring time is 18 minutes, and the stirring speed is 500 r/min.
In this embodiment, in S4, the odor adsorbent is added into the solution three, and slowly stirred, the odor or the pungent odor can be adsorbed and precipitated by the adsorbent particles to obtain a solution four, the solution four is filtered, and then filtered by using a 600-mesh filter screen to obtain the accelerator liquid, the stirring time is 18 minutes, and the stirring speed is 400 r/min.
In this embodiment, in S5, the mixer is cleaned, the solution four is reintroduced into the mixer, the viscosity agent is added and stirred, the viscosity agent may be added 3-5 times or intermittently, the viscosity agent can be observed conveniently, and after preparation, the mixture is packaged, the stirring time is 18 minutes, and the stirring speed is 300 r/min.
In this embodiment, add the viscidity in the funnel, through valve control flow, extract liquid during the stirring and observe, can carry out the analysis to liquid viscosity, it is suitable can.
Example two
A concrete liquid accelerator comprises the following components: 39 parts of aluminum sulfate, 6 parts of sodium fluoride, 9 parts of a defoaming agent, 9 parts of a stabilizing agent, 7 parts of glycerol, 10 parts of hydroxycarboxylic acid, 7 parts of a preservative, 8 parts of a thickener, 15 parts of an odor adsorbent and 46 parts of water.
In this embodiment, a concrete liquid accelerator includes the following preparation steps:
s1: adding 46 parts of water into a mixer as a base, adding 39 parts of aluminum sulfate and 6 parts of sodium fluoride into the mixer for mixing, and intermittently adding a defoaming agent;
s2: adding 9 parts of stabilizer, 7 parts of glycerol and 7 parts of preservative into a mixer for mixing, and intermittently adding 9 parts of defoaming agent;
s3: adding 10 parts of hydroxycarboxylic acid into a mixer, mixing, intermittently adding all defoaming agents, and detecting the change of the pH value at any time;
s4: adding 15 parts of odor adsorbent into a mixer, mixing to adsorb odor, precipitating, and filtering to obtain accelerator liquid;
s5: and adding 8 parts of a thickening agent into the accelerator liquid, and stirring to make the accelerator liquid viscous.
In this embodiment, in S1, water is first added to a mixer, a funnel is disposed on the mixer, an adjustable valve is disposed on the funnel, a defoaming agent is added to the funnel, aluminum sulfate and sodium fluoride are introduced into the mixer, the mixer is started, the mixer stirs the aluminum sulfate, the sodium fluoride and the water to obtain a first solution, the defoaming agent is added intermittently during the stirring to achieve a defoaming effect, the stirring time is 25 minutes, and the stirring speed is 700 r/min.
In this example, in S2, a stabilizer, glycerin, and a preservative were added to solution one, and the mixture was stirred while controlling the addition of an antifoaming agent, to obtain solution two, with a stirring time of 20 minutes and a stirring speed of 600 r/min.
In this embodiment, in S3, adding hydroxycarboxylic acid to solution two, stirring, adding hydroxycarboxylic acid may be divided into 3 times, and gradually adding the defoaming agent, and during stirring, extracting the liquid for 3 times to detect the PH value to obtain solution three, where the stirring time is 25 minutes, and the stirring speed is 400 r/min.
In this embodiment, in S4, the odor adsorbent is added to the solution three, and slowly stirred, the odor or the pungent odor can be adsorbed and precipitated by the adsorbent particles to obtain a solution four, the solution four is filtered, and the solution is filtered by using a 700-mesh filter screen to obtain an accelerator liquid, wherein the stirring time is 25 minutes, and the stirring speed is 350 r/min.
In this embodiment, in S5, the mixer is cleaned up, the solution four is reintroduced into the mixer, the viscosity agent is added and stirred, the viscosity agent can be added for 5 times or intermittently, the viscosity agent can be observed conveniently, and after preparation, the mixture is packaged, the stirring time is 22 minutes, and the stirring speed is 260 r/min.
In this embodiment, add the viscidity in the funnel, through valve control flow, extract liquid during the stirring and observe, can carry out the analysis to liquid viscosity, it is suitable can.
EXAMPLE III
A concrete liquid accelerator comprises the following components: 45 parts of aluminum sulfate, 9 parts of sodium fluoride, 12 parts of a defoaming agent, 10 parts of a stabilizing agent, 10 parts of glycerol, 15 parts of hydroxycarboxylic acid, 10 parts of a preservative, 12 parts of a thickener, 20 parts of an odor adsorbent and 55 parts of water.
In this embodiment, a concrete liquid accelerator includes the following preparation steps:
s1: adding 55 parts of water into a mixer as a base, adding 45 parts of aluminum sulfate and 9 parts of sodium fluoride into the mixer for mixing, and intermittently adding a defoaming agent;
s2: adding 10 parts of stabilizer, 10 parts of glycerol and 10 parts of preservative into a mixer for mixing, and intermittently adding 12 parts of defoaming agent;
s3: adding 15 parts of hydroxycarboxylic acid into a mixer for mixing, intermittently adding all defoaming agents at the same time, and detecting the change of the pH value at any time;
s4: adding 20 parts of odor adsorbent into a mixer, mixing to adsorb odor, precipitating, and filtering to obtain accelerator liquid;
s5: and adding 12 parts of a thickening agent into the accelerator liquid, and stirring to make the accelerator liquid viscous.
In this embodiment, in S1, water is first added to a mixer, a funnel is disposed on the mixer, an adjustable valve is disposed on the funnel, a defoaming agent is added to the funnel, aluminum sulfate and sodium fluoride are introduced into the mixer, the mixer is started, the mixer stirs the aluminum sulfate, the sodium fluoride and the water to obtain a first solution, the defoaming agent is added intermittently during the stirring to achieve a defoaming effect, the stirring time is 28 minutes, and the stirring speed is 650 r/min.
In this example, in S2, a stabilizer, glycerin, and a preservative were added to solution one, and the mixture was stirred while controlling the addition of an antifoaming agent, to obtain solution two, with a stirring time of 26 minutes and a stirring speed of 550 r/min.
In this embodiment, in S3, adding hydroxycarboxylic acid to solution two, stirring, adding hydroxycarboxylic acid may be divided into 3 times, and gradually adding the defoaming agent, and during stirring, extracting the liquid for 3 times to detect the PH value, so as to obtain solution three, where the stirring time is 28 minutes, and the stirring speed is 380 r/min.
In this embodiment, in S4, the odor adsorbent is added into the solution three, and slowly stirred, the odor or the pungent odor can be adsorbed and precipitated by the adsorbent particles to obtain a solution four, the solution four is filtered, and then filtered by using a 600-mesh filter screen to obtain the accelerator liquid, the stirring time is 28 minutes, and the stirring speed is 300 r/min.
In this embodiment, in S5, the mixer is cleaned, the solution four is reintroduced into the mixer, the viscosity agent is added and stirred, the viscosity agent can be added for 5 times or intermittently, the viscosity agent can be observed conveniently, and after preparation, the mixture is packaged, the stirring time is 26 minutes, and the stirring speed is 220 r/min.
In this embodiment, add the viscidity in the funnel, through valve control flow, extract liquid during the stirring and observe, can carry out the analysis to liquid viscosity, it is suitable can.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The concrete liquid accelerator is characterized by comprising the following components: 35-45 parts of aluminum sulfate, 3-9 parts of sodium fluoride, 6-12 parts of a defoaming agent, 7-10 parts of a stabilizer, 5-10 parts of glycerol, 10-15 parts of hydroxycarboxylic acid, 4-10 parts of a preservative, 5-12 parts of a thickener, 10-20 parts of an odor adsorbent and 35-55 parts of water.
2. The concrete liquid accelerator according to claim 1, which comprises the following components: 38-40 parts of aluminum sulfate, 5-7 parts of sodium fluoride, 8-10 parts of a defoaming agent, 8-9 parts of a stabilizer, 7-9 parts of glycerol, 11-12 parts of hydroxycarboxylic acid, 6-8 parts of a preservative, 6-10 parts of a thickener, 12-18 parts of an odor adsorbent and 40-50 parts of water.
3. The concrete liquid accelerator according to claim 1, which comprises the following components: 39 parts of aluminum sulfate, 6 parts of sodium fluoride, 9 parts of a defoaming agent, 9 parts of a stabilizing agent, 7 parts of glycerol, 10 parts of hydroxycarboxylic acid, 7 parts of a preservative, 8 parts of a thickener, 15 parts of an odor adsorbent and 46 parts of water.
4. The concrete liquid accelerator according to claim 1, wherein the preparation method comprises the following steps:
s1: adding water serving as a base into a mixer, adding aluminum sulfate and sodium fluoride into the mixer for mixing, and intermittently adding a defoaming agent;
s2: adding a stabilizer, glycerol and a preservative into a mixer for mixing, and intermittently adding a defoaming agent;
s3: adding hydroxycarboxylic acid into a mixer, mixing, intermittently adding all defoaming agents at the same time, and constantly detecting the change of the pH value;
s4: adding the odor adsorbent into a mixer, mixing to adsorb odor, precipitating, and filtering to obtain accelerator liquid;
s5: and adding a thickening agent into the accelerator liquid and stirring to make the accelerator liquid viscous.
5. The concrete liquid accelerator as claimed in claim 4, wherein in S1, water is first added to the mixer, a funnel is provided on the mixer, an adjustable valve is provided on the funnel, a defoaming agent is added to the funnel, aluminum sulfate and sodium fluoride are introduced into the mixer, the mixer is started, the mixer stirs the aluminum sulfate, sodium fluoride and water to obtain solution one, and the defoaming agent is added intermittently during the stirring to perform a defoaming function.
6. The concrete liquid accelerator as claimed in claim 4, wherein the stabilizer, the glycerol and the preservative are added to the first solution in S2 and stirred, and the addition of the defoaming agent is controlled to obtain a second solution.
7. The concrete liquid accelerator according to claim 4, wherein the hydroxycarboxylic acid is added into the second solution in S3 and stirred, the hydroxycarboxylic acid can be added in 2-3 times, the defoamer is gradually used, and the pH value of the liquid can be detected by extracting the liquid in 2-3 times during stirring to obtain a third solution.
8. The concrete liquid accelerator as claimed in claim 4, wherein the odor adsorbent is added to the third solution in S4, and slowly stirred, the odor or pungent odor can be adsorbed and precipitated by the adsorbent particles to obtain a fourth solution, and the fourth solution is filtered and filtered by a 600-mesh screen to obtain the accelerator liquid.
9. The concrete liquid accelerator according to claim 4, wherein in S5, the mixer is cleaned, the solution four is reintroduced into the mixer, the viscosity agent is added and stirred, the viscosity agent can be added in 3-5 times or intermittently, the viscosity agent can be observed conveniently, and after the preparation, the concrete liquid accelerator is packaged.
10. The concrete liquid accelerator according to claim 4, wherein the viscosity agent is added into a funnel, the flow rate is controlled by a valve, the extracted liquid is observed during stirring, and the viscosity of the liquid can be analyzed, if appropriate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010522185.8A CN111592262A (en) | 2020-06-10 | 2020-06-10 | Concrete liquid accelerator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010522185.8A CN111592262A (en) | 2020-06-10 | 2020-06-10 | Concrete liquid accelerator |
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| CN111592262A true CN111592262A (en) | 2020-08-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113264711A (en) * | 2021-06-28 | 2021-08-17 | 山西佳维新材料股份有限公司 | Powder alkali-free accelerator and preparation method, use method and application thereof |
| CN113800853A (en) * | 2021-09-25 | 2021-12-17 | 杭州金鼎实业有限公司 | High-strength wet-spraying concrete and preparation method thereof |
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| CN104761171A (en) * | 2015-04-24 | 2015-07-08 | 张萍 | Liquid accelerator and preparation method thereof |
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2020
- 2020-06-10 CN CN202010522185.8A patent/CN111592262A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104761171A (en) * | 2015-04-24 | 2015-07-08 | 张萍 | Liquid accelerator and preparation method thereof |
Non-Patent Citations (2)
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| 杨彦克等: "《建筑材料（第二版）》", 31 March 2010, 西南交通大学出版社 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113264711A (en) * | 2021-06-28 | 2021-08-17 | 山西佳维新材料股份有限公司 | Powder alkali-free accelerator and preparation method, use method and application thereof |
| CN113800853A (en) * | 2021-09-25 | 2021-12-17 | 杭州金鼎实业有限公司 | High-strength wet-spraying concrete and preparation method thereof |
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