CN104139459B - A kind of special grouting stirring technique of nuclear power - Google Patents
A kind of special grouting stirring technique of nuclear power Download PDFInfo
- Publication number
- CN104139459B CN104139459B CN201310167836.6A CN201310167836A CN104139459B CN 104139459 B CN104139459 B CN 104139459B CN 201310167836 A CN201310167836 A CN 201310167836A CN 104139459 B CN104139459 B CN 104139459B
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- slurry
- mud
- stirring
- mixing
- grouting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/003—Methods for mixing
- B28C5/006—Methods for mixing involving mechanical aspects
Abstract
The present invention relates to a kind of special grouting stirring technique of nuclear power, comprise the following steps: 1. determine that the best ratio of mud selects the ratio of mud between 0.15-0.25, maximum according to fluidity, comprcssive strength is maximum and shrinkage test is minimum, and then to obtain the best ratio of mud be A；2. determine that stirring side's amount and batched water step 2 are specially the best ratio of mud A determined according to step one, and measure Bm according to required stirring side3, addition mixing water in mixing plant, the amount of mixing water=
Description
Technical field
The present invention relates to a kind of grouting stirring technique, be specifically related to a kind of special grouting material stirring technique of nuclear power.
Background technology
Nuclear power engineering nuclear island needs to build grouting material, and for ensureing the excellent mobility of grouting material and fillibility and compensating concrete self-constriction, scene must adopt grouting equipment that grouting material is pumped to position in time that need to fill.The restriction of stirring technique it is subject to during due to construction, that the stirring of grouting material lacks complete set always and continuous print technological process, therefore the common low speed constant speed mortar mixer that can only first adopt when actual slurrying, then the pulping process of this backwardness of secondary stirring completes again.Had the disadvantage that by applicable cases evaluation analysis the method
(1) amount of agitation is few, and a general amount of agitation only has 0.15m3；
(2) secondary stirring slurry effect artifical influence factor is big, adds difficulty to quality control；
(3) original stirring technique length consuming time, expects that from above slurrying completes to need 30 minutes, and the preparation of construction time is long, and manpower and materials have high input, and cost is high.
In order to solve, nuclear power scene grouting stirring technique effect is slow, it is big to expend, and is affected by human factors the problems such as big, it would be highly desirable to a kind of new slurrying stirring technique.
Summary of the invention
Solving the technical problem that of the present invention is to provide a kind of on-the-spot grouting material stirring technique improving nuclear power engineering scene grouting material stirring efficiency.
In order to solve above-mentioned technical problem, the technical scheme is that a kind of special grouting stirring technique of nuclear power comprises the following steps:
Step one, determine the best ratio of mud
The ratio of mud is selected between 0.15-0.25, maximum according to fluidity, comprcssive strength is maximum and shrinkage test is minimum, and then to obtain the best ratio of mud be A；
Step 2, determine stirring side amount and batched water
Described step 2 is specially the best ratio of mud A determined according to step one, and measures Bm according to required stirring side3, in mixing plant, add mixing water,
Step 3, determine mixing speed and time
Control the mixing speed of mixing plant between 500-800 revolutions per second, be then initially added into grouting material, after grouting material is added and quickly scatter, continue stirring 1-2 minute；Improve mixing speed to 1200-1500 revolutions per second, and stir 2-3 minute；
Step 4, carry out pulp-making test detection, be finally completed grouting material preparation technology
1, detection slurry fluidity, slurry divergence, slurry comprcssive strength, the slurry expansion character of 1 day；
2, when slurry fluidity >=260mm, slurry divergence >=650mm, slurry comprcssive strength >=55Mpa, slurry expansion character >=0.02% of 1 day, slurrying is qualified, completes grouting stirring technique.
Described B is 0.8-1.2m3。
Beneficial effects of the present invention:
(1) the invention solves original pulping process complexity loaded down with trivial details, the problems such as mixing time is long, it is necessary to blender is many, and hand stock is slow；
(2) one tank slurries are greatly shortened from being fed to the slurrying successful time, improve effect；
(3) can a slurrying complete, less mixing time, it is to avoid the constructional difficulties that secondary stirring is brought；
(4) whole pulping process is uninterrupted continuously, and controllability simple to operate is strong, and mixing time is short, and effect is high, improves the efficiency of construction while saving grouting material mixing time；
(5) slurry properties is satisfied by site pumping requirement and stable performance, makes slurry quality be guaranteed.
Detailed description of the invention
The present invention is described further by following example.
The special grouting stirring technique of one nuclear power of the present invention, comprises the following steps:
Step one, determine the best ratio of mud；
Step 2, selection stirring side amount and batched water；
Step 3, determine mixing speed and time；
Step 4, carry out pulp-making test detection, be finally completed grouting material preparation technology；
Described step one is specially between 0.15-0.25 the selection ratio of mud, maximum according to fluidity, comprcssive strength is maximum and shrinkage test is minimum, and then to obtain the best ratio of mud be A；
Described step 2 is specially the best ratio of mud A determined according to step one, and measures Bm according to required stirring side3, in mixing plant, add mixing water,Wherein B can elect 0.8m as3, 0.9m3, 1.2m3；
Described step 3 is specially the mixing speed controlling mixing plant between 500-800 revolutions per second, is then initially added into grouting material, after grouting material is added and quickly scatter, continues stirring 1-2 minute；Improve mixing speed to 1200-1500 revolutions per second, and stir 2-3 minute；
Described step 4 is specially and carries out slurry testing inspection, including detection slurry fluidity, slurry divergence, slurry comprcssive strength, the slurry expansion character of 1 day；When slurry fluidity >=260mm, slurry divergence >=650mm, slurry comprcssive strength >=55Mpa, slurry expansion character >=0.02% of 1 day, slurrying is qualified, completes grouting stirring technique.
Claims (2)
1. the special grouting stirring technique of nuclear power, it is characterised in that: comprise the following steps:
Step one, determine the best ratio of mud
The ratio of mud is selected between 0.15-0.25, maximum according to fluidity, comprcssive strength is maximum and amount of contraction is minimum, and then to obtain the best ratio of mud be A；
Step 2, determine stirring side amount and batched water
Described step 2 is specially the best ratio of mud A determined according to step one, and measures Bm3 according to required stirring side, adds mixing water in mixing plant,
Step 3, determine mixing speed and time
Control the mixing speed of mixing plant between 500-800 revolutions per second, be then initially added into grouting material, after grouting material is added and quickly scatter, continue stirring 1-2 minute；Improve mixing speed to 1200-1500 revolutions per second, and stir 2-3 minute；
Step 4, carry out pulp-making test detection, be finally completed grouting material preparation technology
1, detection slurry fluidity, slurry divergence, slurry comprcssive strength, the slurry expansion character of 1 day；
2, when slurry fluidity >=260mm, slurry divergence >=650mm, slurry comprcssive strength >=55Mpa, slurry expansion character >=0.02% of 1 day, slurrying is qualified, completes grouting stirring technique.
2. the special grouting stirring technique of nuclear power described in claim 1, it is characterised in that: described B is 0.8-1.2m3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310167836.6A CN104139459B (en) | 2013-05-08 | 2013-05-08 | A kind of special grouting stirring technique of nuclear power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310167836.6A CN104139459B (en) | 2013-05-08 | 2013-05-08 | A kind of special grouting stirring technique of nuclear power |
Publications (2)
| Publication Number | Publication Date |
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| CN104139459A CN104139459A (en) | 2014-11-12 |
| CN104139459B true CN104139459B (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310167836.6A Active CN104139459B (en) | 2013-05-08 | 2013-05-08 | A kind of special grouting stirring technique of nuclear power |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112608095A (en) * | 2020-12-02 | 2021-04-06 | 中广核工程有限公司 | Expansion slurry for prestressed pipeline grouting and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202088302U (en) * | 2011-01-20 | 2011-12-28 | 中广核工程有限公司 | Nuclear power engineering concrete production system |
| DE202011109132U1 (en) * | 2011-12-16 | 2012-01-12 | Westinghouse Electric Germany Gmbh | Stirring tool and stirrer |
| CN202480238U (en) * | 2012-01-18 | 2012-10-10 | 中国核工业华兴建设有限公司 | Cement pulping device |
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2013
- 2013-05-08 CN CN201310167836.6A patent/CN104139459B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202088302U (en) * | 2011-01-20 | 2011-12-28 | 中广核工程有限公司 | Nuclear power engineering concrete production system |
| DE202011109132U1 (en) * | 2011-12-16 | 2012-01-12 | Westinghouse Electric Germany Gmbh | Stirring tool and stirrer |
| CN202480238U (en) * | 2012-01-18 | 2012-10-10 | 中国核工业华兴建设有限公司 | Cement pulping device |
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| CN104139459A (en) | 2014-11-12 |
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