CN107010889A - A kind of efflorescence prevention spray operation material and preparation method thereof - Google Patents
A kind of efflorescence prevention spray operation material and preparation method thereof Download PDFInfo
- Publication number
- CN107010889A CN107010889A CN201710343795.XA CN201710343795A CN107010889A CN 107010889 A CN107010889 A CN 107010889A CN 201710343795 A CN201710343795 A CN 201710343795A CN 107010889 A CN107010889 A CN 107010889A
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- CN
- China
- Prior art keywords
- fine aggregate
- spray operation
- efflorescence prevention
- accelerator
- latex powder
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/21—Efflorescence resistance
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The present invention discloses a kind of efflorescence prevention spray operation material, fraction is prepared from by following composition by weight, and wherein fine aggregate 40% -70%, accelerator 0.5% -2%, methylcellulose 0.1% -1%, calcium lignosulfonate 1% -2.5%, metakaolin 2.5% -4%, redispersable latex powder 2% -5% and surplus are cement.Its preparation method is weighed including raw material, batch mixing and packaging.One aspect of the present invention synthesis technique simple specification, production technology and production procedure are easily grasped, and the properties of product reliability and stability prepared is good, it is easy to knowhow to summarize and accumulate, and raw materials for production good environmental protection, on the other hand the scope of operation that the present invention is sprayed has intensity height, density good, flexible and high-adhesion is excellent and has good sealing and efflorescence prevention performance, it is easy to use cooperatively with spraying equipment, and labor intensity is relatively low, it is easy to operate, material usage amount can be effectively reduced while spraying operation quality is improved.
Description
Technical field
The invention belongs to new material technology field, and in particular to a kind of efflorescence prevention spray operation material and preparation method thereof.
Background technology
Common Gunning material is that a kind of raw material are identical with normal concrete, and the special concrete of construction technology, in civil engineering
There is extremely wide application in the fields such as construction, tunnel construction and mineral resources, but find in actual use, current is each
Class gunite material is generally the relatively large conventional concrete of water content, although the need for can meeting spray operation, but Gunning material exists
Cementability, stationkeeping ability after whitewashing is relatively weak, easily appears in and falls off phenomenon because bonding is insecure, so as to make
Into substantial amounts of material waste, simultaneously, it is smaller that current Gunning material also has a structural strength in use, structural stability
The defect of the anti-weathering corrosive power relative deficiency such as deficiency, waterproof moisture resistance, sealability, so as to cause currently entering
During row spray operation, generally require to expend substantial amounts of material and artificial, while operation face stability and service life after whitewashing
It is relatively short, therefore while spray operation cost increase is caused, the also strong influence Stability Analysis of Structures in spray operation face
Property, reliability and service life, therefore for this present situation, it is necessary to develop a kind of preparation technology of brand-new gunite material, with
The need for meeting actual use.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of efflorescence prevention spray operation material and preparation method thereof, to solve
Active relatively low, the problems such as practical function is not good that prior art is present.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
A kind of efflorescence prevention spray operation material, by weight fraction are prepared from by following composition, wherein fine aggregate 40% -70%, speed
Solidifying agent 0.5% -2%, methylcellulose 0.1% -1%, calcium lignosulfonate 1% -2.5%, metakaolin 2.5% -4%, it can divide again
It is cement to dissipate latex powder 2% -5% and surplus.
Further, described fine aggregate diameter is not more than 1 millimeter, is any one in artificial sand and natural sand or two
Plant and be used in mixed way jointly, wherein when fine aggregate is artificial sand and natural sand mixing, then artificial sand usage amount is not more than natural sand
The 70% of usage amount.
Further, described accelerator model ZW782-3.
Further, described redispersable latex powder is copolymer, the vinyl acetate/tertiary carbon of ethylene/vinyl acetate
Any one in sour ethylene copolymer, acrylic copolymer.
A kind of preparation method of efflorescence prevention spray operation material, comprises the following steps：
（1）Raw material is weighed：According to production and application side needs, respectively to be used as the fine aggregate of raw material, accelerator, methylcellulose,
Calcium lignosulfonate, metakaolin, redispersable latex powder and cement are weighed by mixed proportion, and each original after weighing
Material carries out independent storage；
（2）Batch mixing：Step will be passed through（1）Raw material based on fine aggregate after weighing, then using mixing plant to fine aggregate
Progress is unidirectionally at the uniform velocity stirred, and mixing speed is 10-500 revs/min, in whipping process, respectively that cement, methyl is fine successively
Dimension element, calcium lignosulfonate, metakaolin, redispersable latex powder and accelerator are added in fine aggregate, and common with fine aggregate
With being stirred, and cement, methylcellulose, calcium lignosulfonate, metakaolin, redispersable latex powder and accelerator to
In fine aggregate during addition operation, adjacent two kinds of raw materials addition interval time is 1-5 minutes, after all raw material additions are completed,
Mixed material is continued to stir 10-30 minutes, mixing direction is then converted, along the opposite side of mixing direction when being added with raw material
To at the uniform velocity unidirectional stirring is carried out, mixing speed is 10-500 revs/min, and continues stirring 2-10 minutes, then to mixture
Shaken, wherein concussion frequency is 25 ~ 150HZ, the concussion time is 3-10 minutes；
（3）Packaging：By step（2）In the mixture for preparing be dried first by drying equipment, then 0 DEG C -35
To material according to using needing to carry out package encapsulation under DEG C environment temperature, you can obtain finished product product.
Further, described step（1）In, before being weighed to fine aggregate, fine aggregate is entered by deionized water first
Row cleaning, and the fine aggregate after cleaning is dehydrated, and dried fine aggregate water content is not more than 5%.
One aspect of the present invention synthesis technique simple specification, production technology and production procedure are easily grasped, and the product prepared
Energy reliability and stability is good, is easy to knowhow to summarize and accumulate, and raw materials for production good environmental protection, and on the other hand the present invention is sprayed
The scope of operation have that intensity is high, density is good, flexible and high-adhesion is excellent and with good sealing and efflorescence prevention
Can, it is easy to use cooperatively with spraying equipment, and labor intensity is relatively low, it is easy to operate, spraying operation quality can improved
Meanwhile, material usage amount is effectively reduced, so as to reach the mesh of the intermediate link cost such as Material Cost, cost of labor and transport
, remarkable in economical benefits.
Brief description of the drawings
Fig. 1 is present invention process flow chart.
Embodiment
According to following embodiments, the present invention may be better understood.However, as it will be easily appreciated by one skilled in the art that real
Apply the content described by example and be merely to illustrate the present invention, without should be also without limitation on sheet described in detail in claims
Invention.
Embodiment 1
A kind of efflorescence prevention spray operation material as shown in Figure 1, by weight fraction is prepared from by following composition, wherein fine aggregate
60%th, accelerator 1.1%, methylcellulose 0.3%, calcium lignosulfonate 1.5%, metakaolin 3%, redispersable latex powder 3.5%
And surplus is cement.
In the present embodiment, a diameter of 0.1-0.5 millimeter of artificial sand of described fine aggregate.
In the present embodiment, described accelerator model ZW782-3.
In the present embodiment, described redispersable latex powder is the copolymer of ethylene/vinyl acetate.
A kind of preparation method of efflorescence prevention spray operation material, comprises the following steps：
（1）Raw material is weighed：According to production and application side needs, respectively to be used as the fine aggregate of raw material, accelerator, methylcellulose,
Calcium lignosulfonate, metakaolin, redispersable latex powder and cement are weighed by mixed proportion, and each original after weighing
Material carries out independent storage；
（2）Batch mixing：Step will be passed through（1）Raw material based on fine aggregate after weighing, then using mixing plant to fine aggregate
At the uniform velocity stir clockwise, mixing speed is 100 revs/min, in whipping process, successively respectively by cement, methyl
Cellulose, calcium lignosulfonate, metakaolin, redispersable latex powder and accelerator are added in fine aggregate, and with fine aggregate
It is stirred jointly, and in cement, methylcellulose, calcium lignosulfonate, metakaolin, redispersable latex powder and accelerator
When adding operation into fine aggregate, adjacent two kinds of raw materials addition interval time is 5 minutes, after all raw material additions are completed,
Mixed material is continued to stir 15 minutes, mixing direction is then converted, is at the uniform velocity unidirectionally stirred in the counterclockwise direction, stirring speed
Spend for 150 revs/min, and continue stirring 5 minutes, then to shake mixture, wherein concussion frequency is 50HZ, during concussion
Between be 3 minutes；
（3）Packaging：By step（2）In the mixture for preparing be dried first by drying equipment, then in 10 DEG C of rings
At a temperature of border to material according to using need carry out package encapsulation, you can obtain finished product product.
In the present embodiment, described step（1）In, before being weighed to fine aggregate, first by deionized water to fine aggregate
Cleaned, and the fine aggregate after cleaning is dehydrated, and dried fine aggregate water content is 3%.
Embodiment 2
A kind of efflorescence prevention spray operation material as shown in Figure 1, by weight fraction is prepared from by following composition, wherein fine aggregate
70%th, accelerator 1%, methylcellulose 0.5%, calcium lignosulfonate 2.5%, metakaolin 2.5%, redispersable latex powder 2.5%
And surplus is cement.
In the present embodiment, a diameter of 0.05-0.3 millimeter of described fine aggregate is that artificial sand and natural sand are used in mixed way,
Wherein artificial sand usage amount is the 50% of natural sand usage amount.
In the present embodiment, described accelerator model ZW782-3.
In the present embodiment, described redispersable latex powder is acrylic copolymer.
A kind of preparation method of efflorescence prevention spray operation material, comprises the following steps：
（1）Raw material is weighed：According to production and application side needs, respectively to be used as the fine aggregate of raw material, accelerator, methylcellulose,
Calcium lignosulfonate, metakaolin, redispersable latex powder and cement are weighed by mixed proportion, and each original after weighing
Material carries out independent storage；
（2）Batch mixing：Step will be passed through（1）Raw material based on fine aggregate after weighing, then using mixing plant to fine aggregate
At the uniform velocity stir counterclockwise, mixing speed is 150 revs/min, in whipping process, successively respectively by cement, methylcellulose, wood
Quality sulfoacid calcium, metakaolin, redispersable latex powder and accelerator are added in fine aggregate, and are stirred jointly with fine aggregate
Mix, and in cement, methylcellulose, calcium lignosulfonate, metakaolin, redispersable latex powder and accelerator into fine aggregate
When adding operation, adjacent two kinds of raw materials addition interval time is 2 minutes, after all raw material additions are completed, to mixed material
Continue to stir 25 minutes, at the uniform velocity unidirectional stirring is then carried out clockwise, mixing speed is 80 revs/min, and continues stirring
10 minutes, then mixture is shaken, wherein concussion frequency is 100HZ, the concussion time is 10 minutes；
（3）Packaging：By step（2）In the mixture for preparing be dried first by drying equipment, then in 0 DEG C of environment
At a temperature of to material according to using need carry out package encapsulation, you can obtain finished product product.
In the present embodiment, described step（1）In, before being weighed to fine aggregate, first by deionized water to fine aggregate
Cleaned, and the fine aggregate after cleaning is dehydrated, and dried fine aggregate water content is 4%.
One aspect of the present invention synthesis technique simple specification, production technology and production procedure are easily grasped, and the product prepared
Energy reliability and stability is good, is easy to knowhow to summarize and accumulate, and raw materials for production good environmental protection, and on the other hand the present invention is sprayed
The scope of operation have that intensity is high, density is good, flexible and high-adhesion is excellent and with good sealing and efflorescence prevention
Can, it is easy to use cooperatively with spraying equipment, and labor intensity is relatively low, it is easy to operate, spraying operation quality can improved
Meanwhile, material usage amount is effectively reduced, so as to reach the mesh of the intermediate link cost such as Material Cost, cost of labor and transport
, remarkable in economical benefits.
Claims (6)
1. a kind of efflorescence prevention spray operation material, it is characterised in that described efflorescence prevention spray operation material fraction by weight by
Following composition is prepared from, wherein fine aggregate 40% -70%, accelerator 0.5% -2%, methylcellulose 0.1% -1%, lignin
Sulfoacid calcium 1% -2.5%, metakaolin 2.5% -4%, redispersable latex powder 2% -5% and surplus are cement.
2. a kind of efflorescence prevention spray operation material according to claim 1, it is characterised in that described fine aggregate diameter is not
It is that any one or two kinds in artificial sand and natural sand are used in mixed way jointly, wherein when fine aggregate is artificial sand more than 1 millimeter
When being mixed with natural sand, then artificial sand usage amount is not more than the 70% of natural sand usage amount.
3. a kind of efflorescence prevention spray operation material according to claim 1, it is characterised in that described accelerator model
ZW782-3。
4. a kind of efflorescence prevention spray operation material according to claim 1, it is characterised in that described Redispersable latex
Powder is any one in the copolymer, vinyl acetate/versatic acid ethylene copolymer, acrylic copolymer of ethylene/vinyl acetate
Kind.
5. a kind of preparation method of efflorescence prevention spray operation material, it is characterised in that the preparation method of weathering material includes as follows
Step：
（1）Raw material is weighed：According to production and application side needs, respectively to be used as the fine aggregate of raw material, accelerator, methylcellulose,
Calcium lignosulfonate, metakaolin, redispersable latex powder and cement are weighed by mixed proportion, and each original after weighing
Material carries out independent storage；
（2）Batch mixing：Step will be passed through（1）Raw material based on fine aggregate after weighing, then using mixing plant to fine aggregate
Progress is unidirectionally at the uniform velocity stirred, and mixing speed is 10-500 revs/min, in whipping process, respectively that cement, methyl is fine successively
Dimension element, calcium lignosulfonate, metakaolin, redispersable latex powder and accelerator are added in fine aggregate, and common with fine aggregate
With being stirred, and cement, methylcellulose, calcium lignosulfonate, metakaolin, redispersable latex powder and accelerator to
In fine aggregate during addition operation, adjacent two kinds of raw materials addition interval time is 1-5 minutes, after all raw material additions are completed,
Mixed material is continued to stir 10-30 minutes, mixing direction is then converted, along the opposite side of mixing direction when being added with raw material
To at the uniform velocity unidirectional stirring is carried out, mixing speed is 10-500 revs/min, and continues stirring 2-10 minutes, then to mixture
Shaken, wherein concussion frequency is 25 ~ 150HZ, the concussion time is 3-10 minutes；
（3）Packaging：By step（2）In the mixture for preparing be dried first by drying equipment, then 0 DEG C -35
To material according to using needing to carry out package encapsulation under DEG C environment temperature, you can obtain finished product product.
6. a kind of preparation method of efflorescence prevention spray operation material according to claim 1, it is characterised in that described step
Suddenly（1）In, before being weighed to fine aggregate, fine aggregate is cleaned by deionized water first, and to the fine aggregate after cleaning
Dehydrated, and dried fine aggregate water content is not more than 5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710343795.XA CN107010889A (en) | 2017-05-16 | 2017-05-16 | A kind of efflorescence prevention spray operation material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710343795.XA CN107010889A (en) | 2017-05-16 | 2017-05-16 | A kind of efflorescence prevention spray operation material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107010889A true CN107010889A (en) | 2017-08-04 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092047A (en) * | 2006-06-19 | 2007-12-26 | 淄博矿业集团有限责任公司 | Dry mixing gunite material in use for underworkings of coal mine, and preparation method |
| CN102659366A (en) * | 2012-05-30 | 2012-09-12 | 南京天云新型建材科技有限公司 | Novel machine-injected mortar |
| CN103244148A (en) * | 2013-05-15 | 2013-08-14 | 淄博矿业集团有限责任公司 | Coal mine wet method guniting process |
| CN103708782A (en) * | 2013-12-21 | 2014-04-09 | 兖州煤业股份有限公司 | Concrete guniting material |
-
2017
- 2017-05-16 CN CN201710343795.XA patent/CN107010889A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092047A (en) * | 2006-06-19 | 2007-12-26 | 淄博矿业集团有限责任公司 | Dry mixing gunite material in use for underworkings of coal mine, and preparation method |
| CN102659366A (en) * | 2012-05-30 | 2012-09-12 | 南京天云新型建材科技有限公司 | Novel machine-injected mortar |
| CN103244148A (en) * | 2013-05-15 | 2013-08-14 | 淄博矿业集团有限责任公司 | Coal mine wet method guniting process |
| CN103708782A (en) * | 2013-12-21 | 2014-04-09 | 兖州煤业股份有限公司 | Concrete guniting material |
Non-Patent Citations (1)
| Title |
|---|
| 黄天勇等: "湿式喷浆材料的选择及性能研究", 《硅酸盐通报》 * |
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Application publication date: 20170804 |