Permeable crystalline plugging material and its application method
A technology of infiltration crystallization and plugging materials, which is applied in the field of engineering and construction materials, can solve problems such as hindering the use of plugging materials, high preparation costs, and long coagulation time, and achieve the effects of abundant raw material sources, simple production formulas, and low preparation costs
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[0042] Specific embodiment: permeable crystalline plugging material, characterized in that it is obtained by mixing the following raw materials in weight percent: 80% early-strength portland cement, 0.9% inorganic catalyst, 0.9% tackifier, active core matrix Material 2.2%, quartz powder 10%;
[0043] Among them, the active core masterbatch is obtained by mixing the following raw materials in weight percentage: powdered anhydrous calcium nitrite 12%, calcium hydroxide 15%, powdered anhydrous sodium carbonate 6%, powdered instant anhydrous silicon 10% sodium phosphate, 6% zinc fluorosilicate, 15% superplasticizer, 30% active silica micropowder, 6% aluminum potassium sulfate powder.
[0044] When using the above-mentioned permeable crystalline plugging material as the plugging material, the specific steps are as follows:
[0045] Step 1, the ratio of water to osmotic crystalline plugging material, the ratio of water to osmotic crystalline plugging material is 1:0.3-0.4, and the ...
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