CN110963726A - Production formula for improving durability of limestone powder - Google Patents
Production formula for improving durability of limestone powder Download PDFInfo
- Publication number
- CN110963726A CN110963726A CN201911226011.0A CN201911226011A CN110963726A CN 110963726 A CN110963726 A CN 110963726A CN 201911226011 A CN201911226011 A CN 201911226011A CN 110963726 A CN110963726 A CN 110963726A
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- CN
- China
- Prior art keywords
- limestone powder
- mixing
- durability
- limestone
- improving
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/34—Hydraulic lime cements; Roman cements ; natural cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/38—Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel
Abstract
The invention discloses a production formula for improving the durability of limestone powder, which comprises production raw materials and preparation steps, wherein the preparation steps are as follows: the method comprises limestone powder processing, mixing operation, filling operation and bagging operation, wherein the limestone powder processing, quantitative feeding operation, mixing operation, filling operation and bagging operation are all connected through conveying equipment arranged in a sealing manner, and the method has the following beneficial effects: by mixing clay, stripping soil, coal, active silica, active alumina and other raw materials into the limestone powder, the raw materials can generate secondary reaction with free lime and high-alkaline hydrated calcium silicate generated in the hydration process of the limestone powder to generate low-alkaline hydrated calcium silicate with higher strength and better stability, so that the composition of hydrated gelled substances is improved, the aim of eliminating the free lime is fulfilled, the structure of the concrete is more compact after the concrete is mixed, a possibly formed permeation path is blocked, and the durability of the concrete produced by the limestone powder is further improved.
Description
Technical Field
The invention discloses a production formula for improving the durability of limestone powder, and belongs to the technical field of limestone powder preparation.
Background
The main component of limestone is calcium carbonate, lime and limestone are raw materials for building material and industry, in which the limestone can be directly processed into stone material and calcined into quick lime, the quick lime can be made into hydrated lime by absorbing moisture or adding water, the main component of hydrated lime is calcium hydroxide, and the hydrated lime can be blended into lime slurry, lime paste, etc. and can be used as coating material and adhesive for brick and tile.
In the prior art, the durability of concrete made of limestone powder is usually adjusted by a mixing ratio of the limestone powder and water, the durability achieved by the adjustment ratio is limited to a certain upper limit, and the manual adjustment of the ratio makes the quality of each batch inconsistent, which further affects the quality, so that a production formula for improving the durability of the limestone powder is needed.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the problems that in the prior art, the durability of concrete made of limestone powder is usually adjusted through a mixing ratio column of the limestone powder and water, the durability achieved by the adjustment ratio column is from a certain upper limit, and the manual adjustment of the ratio column makes the quality of each batch inconsistent, thereby causing certain influence on the quality, and to provide a production formula for improving the durability of the limestone powder, so that the problems are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a production formula for improving durability of limestone powder comprises production raw materials and preparation steps, wherein the preparation steps are as follows: the method comprises limestone powder processing, mixing operation, filling operation and bagging operation, wherein the limestone powder processing, quantitative feeding operation, mixing operation, filling operation and bagging operation are all connected through conveying equipment which is arranged in a sealing manner.
Preferably, the production raw materials comprise 80% of limestone powder, 6% of clay, 8% of stripping soil, 2% of coal, 2% of active silica and 2% of active alumina.
Preferably, the limestone powder processing comprises the following steps: the limestone is processed by a series of limestone powder processing equipment until the limestone is processed into limestone powder.
Preferably, the dosing operation: the processed limestone powder is conveyed into a quantitative feeding device through a conveying device, then raw materials such as clay, stripping soil, coal, active silica, active alumina and the like are injected into the quantitative feeding device, and then the limestone powder, the clay, the stripping soil, the coal, the active silica and the active alumina in corresponding proportions are conveyed into a mixing device through the quantitative feeding device.
Preferably, the mixing operation: limestone powder, clay, stripping soil, coal, active silica and active alumina in corresponding proportion are conveyed into the mixing device through the quantitative feeding device, and then the mixing device is started to mix and process the raw materials, so that the limestone powder, the clay, the stripping soil, the coal, the active silica and the active alumina are fully mixed.
Preferably, the filling operation: and conveying the mixed limestone powder into a filling machine through conveying equipment, filling the limestone powder into an inner packaging bag through the filling machine, and sealing the inner bag through a bag sealing machine.
Preferably, the bagging operation comprises: the bagging equipment bags the inner bag which is sealed through the outer bag, and then the outer bag and the bag opening of the inner bag are aligned with each other and are sealed again through the sealing machine.
Preferably, the mixing ratio of the limestone powder can fluctuate by 2% up and down, the mixing ratio of the clay can fluctuate by 0.6% up and down, the mixing ratio of the stripping soil can fluctuate by 0.8% up and down, and the mixing ratio of the coal, the active silica and the active alumina can fluctuate by 0.15% up and down.
Compared with the prior art, the invention has the following beneficial effects: by mixing clay, stripping soil, coal, active silica, active alumina and other raw materials into the limestone powder, the raw materials can generate secondary reaction with free lime and high-alkaline hydrated calcium silicate generated in the hydration process of the limestone powder to generate low-alkaline hydrated calcium silicate with higher strength and better stability, so that the composition of hydrated gelled substances is improved, the aim of eliminating the free lime is fulfilled, the structure of the concrete is more compact after the concrete is mixed, a possibly formed permeation path is blocked, and the durability of the concrete produced by the limestone powder is further improved.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A production formula for improving durability of limestone powder comprises production raw materials and preparation steps, wherein the preparation steps are as follows: the method comprises limestone powder processing, mixing operation, filling operation and bagging operation, wherein the limestone powder processing, quantitative feeding operation, mixing operation, filling operation and bagging operation are all connected through conveying equipment which is arranged in a sealing manner.
Wherein, the production raw materials comprise 80 percent of limestone powder, 6 percent of clay, 8 percent of stripping soil, 2 percent of coal, 2 percent of active silica and 2 percent of active alumina, the mixing proportion of the limestone powder can fluctuate up and down by 2 percent, the mixing proportion of the clay can fluctuate up and down by 0.6 percent, the mixing proportion of the stripping soil can fluctuate up and down by 0.8 percent, the mixing proportion of the coal, the active silica and the active alumina can fluctuate up and down by 0.15 percent, the limestone powder can make free lime and high-alkaline hydrated calcium silicate generated in the hydration process generate secondary reflection by mixing the raw materials such as the clay, the stripping soil, the coal, the active silica and the active alumina, and the like, thereby generating low-alkaline hydrated calcium silicate with higher strength and better stability, achieving the purposes of improving hydrated gelled substances and eliminating the free lime, leading the structure of concrete to be more compact after the completion of mixing, and blocking possible permeation paths, thereby improving the durability of the concrete produced by the limestone powder.
Wherein, limestone powder processing: processing the limestone by a series of limestone powder processing equipment until the limestone is processed into limestone powder, and performing quantitative feeding operation: conveying the processed limestone powder to quantitative feeding equipment through conveying equipment, then injecting raw materials such as clay, stripping soil, coal, active silica and active alumina into the quantitative feeding equipment, and then conveying the limestone powder, the clay, the stripping soil, the coal, the active silica and the active alumina in a corresponding proportion into a mixing device through the quantitative feeding equipment, wherein the mixing operation comprises the following steps: limestone powder, clay, stripping soil, coal, active silica and active alumina in corresponding proportion are conveyed into the mixing device through the quantitative feeding device, then the mixing device is started to mix and process the raw materials, so that the limestone powder, the clay, the stripping soil, the coal, the active silica and the active alumina are fully mixed, and the filling operation is carried out: mix and accomplish limestone powder and carry to the filling machine in through conveying equipment to through the liquid filling machine with limestone powder filling to packing in the bag, and seal the operation, the cover package operation to the inner bag through the bag closure machine: the bagging equipment bags the sealed inner bag through the outer bag, then the bag mouth of the outer bag and the bag mouth of the inner bag are aligned, the bag mouth is sealed again through a sealing machine, limestone powder is produced through limestone powder production equipment, the produced limestone powder is conveyed to quantitative feeding equipment, raw materials such as clay, stripping soil, coal, active silica and active alumina are placed into the quantitative feeding equipment, the raw materials such as the limestone powder, the clay, the stripping soil, the coal, the active silica and the active alumina are conveyed to mixing equipment in proportion to be mixed, the mixed limestone powder is packaged, and subsequent sales are facilitated.
Specifically, the limestone powder production equipment is used for producing limestone powder, the produced limestone powder is conveyed to quantitative feeding equipment, raw materials such as clay, stripping soil, coal, active silica and active alumina are put into the quantitative feeding equipment, the raw materials such as the limestone powder, the clay, the stripping soil, the coal, the active silica and the active alumina are conveyed to mixing equipment according to a proportion for mixing, the mixed limestone powder is packaged for subsequent sale, the limestone powder mixed with the raw materials such as the clay, the stripping soil, the coal, the active silica and the active alumina can be secondarily reflected with free lime and high-alkaline hydrated calcium silicate generated in the hydration process of the limestone powder to generate low-alkaline calcium silicate with higher strength and better stability, so that the composition of hydrated gelled substances is improved, the aim of eliminating free lime is to ensure that the structure of the concrete is more compact after the concrete is mixed, and to block a possibly formed permeation path, thereby improving the durability of the concrete produced by the limestone powder.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A production formula for improving durability of limestone powder is characterized by comprising production raw materials and preparation steps, wherein the preparation steps are as follows: the method comprises limestone powder processing, mixing operation, filling operation and bagging operation, wherein the limestone powder processing, quantitative feeding operation, mixing operation, filling operation and bagging operation are all connected through conveying equipment which is arranged in a sealing manner.
2. The production formula for improving the durability of limestone powder according to claim 1, which is characterized in that: the production raw materials comprise 80% of limestone powder, 6% of clay, 8% of stripping soil, 2% of coal, 2% of active silica and 2% of active alumina.
3. The production formula for improving the durability of limestone powder according to claim 1, which is characterized in that: processing the limestone powder: the limestone is processed by a series of limestone powder processing equipment until the limestone is processed into limestone powder.
4. The production formula for improving the durability of limestone powder according to claim 1, which is characterized in that: the quantitative feeding operation comprises the following steps: the processed limestone powder is conveyed into a quantitative feeding device through a conveying device, then raw materials such as clay, stripping soil, coal, active silica, active alumina and the like are injected into the quantitative feeding device, and then the limestone powder, the clay, the stripping soil, the coal, the active silica and the active alumina in corresponding proportions are conveyed into a mixing device through the quantitative feeding device.
5. The production formula for improving the durability of limestone powder according to claim 1, which is characterized in that: the mixing operation comprises the following steps: limestone powder, clay, stripping soil, coal, active silica and active alumina in corresponding proportion are conveyed into the mixing device through the quantitative feeding device, and then the mixing device is started to mix and process the raw materials, so that the limestone powder, the clay, the stripping soil, the coal, the active silica and the active alumina are fully mixed.
6. The production formula for improving the durability of limestone powder according to claim 1, which is characterized in that: the filling operation comprises the following steps: and conveying the mixed limestone powder into a filling machine through conveying equipment, filling the limestone powder into an inner packaging bag through the filling machine, and sealing the inner bag through a bag sealing machine.
7. The production formula for improving the durability of limestone powder according to claim 1, which is characterized in that: the bagging operation comprises the following steps: the bagging equipment bags the inner bag which is sealed through the outer bag, and then the outer bag and the bag opening of the inner bag are aligned with each other and are sealed again through the sealing machine.
8. The production formula for improving the durability of limestone powder according to claim 2, wherein the production formula comprises the following components in percentage by weight: the mixing proportion of the limestone powder can fluctuate by 2 percent up and down, the mixing proportion of the clay can fluctuate by 0.6 percent up and down, the mixing proportion of the stripping soil can fluctuate by 0.8 percent up and down, and the mixing proportion of the coal, the active silica and the active alumina can fluctuate by 0.15 percent up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911226011.0A CN110963726A (en) | 2019-12-04 | 2019-12-04 | Production formula for improving durability of limestone powder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911226011.0A CN110963726A (en) | 2019-12-04 | 2019-12-04 | Production formula for improving durability of limestone powder |
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| CN110963726A true CN110963726A (en) | 2020-04-07 |
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| CN201911226011.0A Pending CN110963726A (en) | 2019-12-04 | 2019-12-04 | Production formula for improving durability of limestone powder |
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Citations (10)
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| CN103011639A (en) * | 2012-12-13 | 2013-04-03 | 凤阳中都水泥有限公司 | Process for producing cement by using limestone mine stripping soil |
| CN103043972A (en) * | 2013-01-11 | 2013-04-17 | 中国矿业大学 | Concrete based on limestone powder supplementary cementing material |
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| CN205088677U (en) * | 2015-11-06 | 2016-03-16 | 威海齐德新型建材有限公司 | Low hollow side of prestressed concrete stake of high performance |
| CN105948643A (en) * | 2016-04-29 | 2016-09-21 | 山东众森节能材料有限公司 | Stone flour concrete composite admixture and preparation method thereof |
| CN109250988A (en) * | 2018-11-13 | 2019-01-22 | 中安瑞宝建设集团有限公司 | A kind of ecotype Cement-base material with ultra-high performance and preparation method thereof |
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2019
- 2019-12-04 CN CN201911226011.0A patent/CN110963726A/en active Pending
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| CN103539368A (en) * | 2013-10-17 | 2014-01-29 | 福建省建材进出口有限责任公司 | Method for producing cement by utilizing waste stone powder in stone industry |
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| CN205088677U (en) * | 2015-11-06 | 2016-03-16 | 威海齐德新型建材有限公司 | Low hollow side of prestressed concrete stake of high performance |
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